Merge tag 'exynos-drm-fixes-v5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel...
authorDave Airlie <airlied@redhat.com>
Mon, 28 Feb 2022 04:05:39 +0000 (14:05 +1000)
committerDave Airlie <airlied@redhat.com>
Mon, 28 Feb 2022 04:05:44 +0000 (14:05 +1000)
Fixups
- Make display controller drivers for Exynos series to use
  platform_get_irq and platform_get_irq_byname functions
  to get the interrupt, which prevents irq chaning from messed up
  when using hierarchical interrupt domains which use "interrupts"
  property in the node.
- Fix two regressions to TE-gpio handling.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225014042.17637-1-inki.dae@samsung.com
250 files changed:
.mailmap
Documentation/core-api/dma-attributes.rst
Documentation/cpu-freq/cpu-drivers.rst
Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml
Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml
Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
Documentation/tools/rtla/common_hist_options.rst
Documentation/tools/rtla/common_osnoise_description.rst
Documentation/tools/rtla/rtla-osnoise-hist.rst
Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst
Documentation/virt/kvm/api.rst
MAINTAINERS
Makefile
arch/parisc/kernel/unaligned.c
arch/riscv/configs/nommu_k210_sdcard_defconfig
arch/riscv/kernel/Makefile
arch/riscv/kernel/entry.S
arch/riscv/kernel/trace_irq.c [new file with mode: 0644]
arch/riscv/kernel/trace_irq.h [new file with mode: 0644]
arch/x86/include/asm/kvm_host.h
arch/x86/kernel/fpu/xstate.c
arch/x86/kernel/kvm.c
arch/x86/kvm/cpuid.c
arch/x86/kvm/mmu/mmu.c
arch/x86/kvm/svm/svm.c
arch/x86/kvm/x86.c
block/fops.c
drivers/ata/pata_hpt37x.c
drivers/base/dd.c
drivers/base/regmap/regmap-irq.c
drivers/clk/ingenic/jz4725b-cgu.c
drivers/clk/qcom/gcc-msm8994.c
drivers/cpufreq/cpufreq.c
drivers/cpufreq/qcom-cpufreq-hw.c
drivers/gpio/gpio-rockchip.c
drivers/gpio/gpio-tegra186.c
drivers/gpio/gpiolib.c
drivers/hwmon/hwmon.c
drivers/hwmon/ntc_thermistor.c
drivers/hwmon/pmbus/pmbus_core.c
drivers/iio/accel/bmc150-accel-core.c
drivers/iio/accel/fxls8962af-core.c
drivers/iio/accel/fxls8962af-i2c.c
drivers/iio/accel/fxls8962af-spi.c
drivers/iio/accel/fxls8962af.h
drivers/iio/accel/kxcjk-1013.c
drivers/iio/accel/mma9551.c
drivers/iio/accel/mma9553.c
drivers/iio/adc/ad7124.c
drivers/iio/adc/men_z188_adc.c
drivers/iio/adc/ti-tsc2046.c
drivers/iio/addac/ad74413r.c
drivers/iio/frequency/admv1013.c
drivers/iio/gyro/bmg160_core.c
drivers/iio/imu/adis16480.c
drivers/iio/imu/kmx61.c
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
drivers/iio/magnetometer/bmc150_magn.c
drivers/infiniband/core/cma.c
drivers/infiniband/hw/qib/qib_sysfs.c
drivers/infiniband/ulp/rtrs/rtrs-clt.c
drivers/infiniband/ulp/srp/ib_srp.c
drivers/mtd/mtdcore.c
drivers/net/dsa/microchip/ksz_common.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
drivers/net/ethernet/broadcom/bnxt/bnxt.c
drivers/net/ethernet/broadcom/bnxt/bnxt.h
drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
drivers/net/ethernet/broadcom/bnxt/bnxt_hwrm.c
drivers/net/ethernet/broadcom/bnxt/bnxt_hwrm.h
drivers/net/ethernet/faraday/ftgmac100.c
drivers/net/ethernet/ibm/ibmvnic.c
drivers/net/ethernet/intel/i40e/i40e_main.c
drivers/net/ethernet/intel/ice/ice.h
drivers/net/ethernet/intel/ice/ice_common.c
drivers/net/ethernet/intel/ice/ice_eswitch.c
drivers/net/ethernet/intel/ice/ice_main.c
drivers/net/ethernet/intel/ice/ice_protocol_type.h
drivers/net/ethernet/intel/ice/ice_ptp.c
drivers/net/ethernet/intel/ice/ice_switch.c
drivers/net/ethernet/intel/ice/ice_tc_lib.c
drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
drivers/net/ethernet/marvell/mv643xx_eth.c
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h
drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/ct.c
drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred.c
drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mpls.c
drivers/net/ethernet/mellanox/mlx5/core/en/tc_priv.h
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_mplsoudp.c
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
drivers/net/ethernet/mellanox/mlx5/core/en_rep.h
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c
drivers/net/ethernet/mellanox/mlx5/core/main.c
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c
drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h
drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
drivers/net/ethernet/xilinx/ll_temac_main.c
drivers/net/hamradio/6pack.c
drivers/net/mdio/mdio-ipq4019.c
drivers/net/usb/sr9700.c
drivers/net/xen-netback/xenbus.c
drivers/nvme/host/core.c
drivers/nvme/host/tcp.c
drivers/nvmem/core.c
drivers/of/fdt.c
drivers/of/unittest.c
drivers/pci/controller/pci-mvebu.c
drivers/pci/controller/vmd.c
drivers/pci/quirks.c
drivers/pinctrl/intel/pinctrl-tigerlake.c
drivers/pinctrl/pinctrl-k210.c
drivers/pinctrl/pinctrl-starfive.c
drivers/platform/surface/surface3_power.c
drivers/platform/x86/amd-pmc.c
drivers/platform/x86/asus-wmi.c
drivers/platform/x86/intel/int3472/tps68470_board_data.c
drivers/platform/x86/thinkpad_acpi.c
drivers/regulator/da9121-regulator.c
drivers/spi/spi-rockchip.c
drivers/spi/spi-zynq-qspi.c
drivers/staging/fbtft/fb_st7789v.c
drivers/thermal/intel/int340x_thermal/int3400_thermal.c
drivers/tty/n_gsm.c
drivers/tty/serial/sc16is7xx.c
drivers/usb/dwc2/core.h
drivers/usb/dwc2/drd.c
drivers/usb/dwc3/dwc3-pci.c
drivers/usb/dwc3/gadget.c
drivers/usb/gadget/function/rndis.c
drivers/usb/gadget/function/rndis.h
drivers/usb/gadget/udc/udc-xilinx.c
drivers/usb/host/xhci.c
drivers/usb/serial/ch341.c
drivers/usb/serial/option.c
drivers/usb/typec/tipd/core.c
drivers/vhost/vsock.c
fs/btrfs/ctree.h
fs/btrfs/extent_map.c
fs/btrfs/extent_map.h
fs/btrfs/file.c
fs/btrfs/inode.c
fs/btrfs/ioctl.c
fs/btrfs/lzo.c
fs/configfs/dir.c
fs/io_uring.c
fs/tracefs/inode.c
fs/xfs/xfs_super.c
include/linux/bpf.h
include/linux/cpufreq.h
include/linux/dma-mapping.h
include/linux/nvme-tcp.h
include/linux/nvmem-provider.h
include/linux/slab.h
include/linux/trace_events.h
include/net/checksum.h
include/net/netfilter/nf_tables.h
include/net/netfilter/nf_tables_offload.h
include/net/sock.h
include/uapi/linux/kvm.h
kernel/bpf/btf.c
kernel/bpf/helpers.c
kernel/bpf/syscall.c
kernel/cgroup/cgroup-v1.c
kernel/cgroup/cgroup.c
kernel/cgroup/cpuset.c
kernel/dma/swiotlb.c
kernel/trace/ftrace.c
kernel/trace/trace.c
kernel/trace/trace.h
kernel/trace/trace_eprobe.c
kernel/trace/trace_events_trigger.c
kernel/trace/trace_osnoise.c
kernel/trace/trace_probe.c
kernel/trace/trace_probe.h
kernel/trace/trace_selftest.c
lib/iov_iter.c
lib/test_kasan.c
mm/hugetlb.c
mm/memblock.c
mm/mmap.c
net/can/j1939/transport.c
net/core/filter.c
net/core/net-sysfs.c
net/core/skbuff.c
net/core/sock.c
net/dsa/master.c
net/dsa/port.c
net/ipv4/af_inet.c
net/ipv4/ip_output.c
net/ipv4/ping.c
net/ipv4/udp_tunnel_nic.c
net/ipv6/addrconf.c
net/ipv6/ip6_offload.c
net/ipv6/ip6_output.c
net/mptcp/mib.c
net/mptcp/mib.h
net/mptcp/pm.c
net/mptcp/pm_netlink.c
net/netfilter/nf_tables_api.c
net/netfilter/nf_tables_offload.c
net/netfilter/nft_dup_netdev.c
net/netfilter/nft_fwd_netdev.c
net/netfilter/nft_immediate.c
net/netfilter/nft_limit.c
net/netfilter/xt_socket.c
net/openvswitch/actions.c
net/sched/act_api.c
net/sched/act_ct.c
net/smc/smc_pnet.c
net/smc/smc_pnet.h
net/tipc/name_table.c
net/tipc/socket.c
security/selinux/ima.c
tools/arch/x86/include/asm/msr-index.h
tools/cgroup/memcg_slabinfo.py
tools/include/uapi/linux/kvm.h
tools/perf/builtin-script.c
tools/perf/tests/sigtrap.c
tools/perf/util/data.c
tools/perf/util/evlist-hybrid.c
tools/testing/selftests/bpf/prog_tests/timer_crash.c [new file with mode: 0644]
tools/testing/selftests/bpf/progs/test_sockmap_kern.h
tools/testing/selftests/bpf/progs/timer_crash.c [new file with mode: 0644]
tools/testing/selftests/memfd/memfd_test.c
tools/testing/selftests/net/mptcp/diag.sh
tools/testing/selftests/net/mptcp/mptcp_join.sh
tools/testing/selftests/vm/map_fixed_noreplace.c
tools/tracing/rtla/src/osnoise.c
tools/tracing/rtla/src/osnoise_hist.c
tools/tracing/rtla/src/osnoise_top.c
tools/tracing/rtla/src/timerlat_hist.c
virt/kvm/kvm_main.c

index 8cd44b0..10ee110 100644 (file)
--- a/.mailmap
+++ b/.mailmap
@@ -333,6 +333,9 @@ Rémi Denis-Courmont <rdenis@simphalempin.com>
 Ricardo Ribalda <ribalda@kernel.org> <ricardo@ribalda.com>
 Ricardo Ribalda <ribalda@kernel.org> Ricardo Ribalda Delgado <ribalda@kernel.org>
 Ricardo Ribalda <ribalda@kernel.org> <ricardo.ribalda@gmail.com>
+Roman Gushchin <roman.gushchin@linux.dev> <guro@fb.com>
+Roman Gushchin <roman.gushchin@linux.dev> <guroan@gmail.com>
+Roman Gushchin <roman.gushchin@linux.dev> <klamm@yandex-team.ru>
 Ross Zwisler <zwisler@kernel.org> <ross.zwisler@linux.intel.com>
 Rudolf Marek <R.Marek@sh.cvut.cz>
 Rui Saraiva <rmps@joel.ist.utl.pt>
index 1887d92..17706dc 100644 (file)
@@ -130,3 +130,11 @@ accesses to DMA buffers in both privileged "supervisor" and unprivileged
 subsystem that the buffer is fully accessible at the elevated privilege
 level (and ideally inaccessible or at least read-only at the
 lesser-privileged levels).
+
+DMA_ATTR_OVERWRITE
+------------------
+
+This is a hint to the DMA-mapping subsystem that the device is expected to
+overwrite the entire mapped size, thus the caller does not require any of the
+previous buffer contents to be preserved. This allows bounce-buffering
+implementations to optimise DMA_FROM_DEVICE transfers.
index 3b32336..d84eded 100644 (file)
@@ -75,6 +75,9 @@ And optionally
  .resume - A pointer to a per-policy resume function which is called
  with interrupts disabled and _before_ the governor is started again.
 
+ .ready - A pointer to a per-policy ready function which is called after
+ the policy is fully initialized.
+
  .attr - A pointer to a NULL-terminated list of "struct freq_attr" which
  allow to export values to sysfs.
 
index e043495..427c587 100644 (file)
@@ -7,7 +7,6 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: SiFive GPIO controller
 
 maintainers:
-  - Yash Shah <yash.shah@sifive.com>
   - Paul Walmsley <paul.walmsley@sifive.com>
 
 properties:
index 272832e..fa86691 100644 (file)
@@ -20,7 +20,7 @@ description: |
 
 maintainers:
   - Kishon Vijay Abraham I <kishon@ti.com>
-  - Roger Quadros <rogerq@ti.com
+  - Roger Quadros <rogerq@kernel.org>
 
 properties:
   compatible:
index cbbf5e8..f78d324 100644 (file)
@@ -8,7 +8,7 @@ title: OMAP USB2 PHY
 
 maintainers:
   - Kishon Vijay Abraham I <kishon@ti.com>
-  - Roger Quadros <rogerq@ti.com>
+  - Roger Quadros <rogerq@kernel.org>
 
 properties:
   compatible:
index 84e6691..db41cd7 100644 (file)
@@ -8,7 +8,6 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: SiFive PWM controller
 
 maintainers:
-  - Yash Shah <yash.shah@sifive.com>
   - Sagar Kadam <sagar.kadam@sifive.com>
   - Paul Walmsley <paul.walmsley@sifive.com>
 
index 2b1f916..e2d330b 100644 (file)
@@ -9,7 +9,6 @@ title: SiFive L2 Cache Controller
 
 maintainers:
   - Sagar Kadam <sagar.kadam@sifive.com>
-  - Yash Shah <yash.shah@sifive.com>
   - Paul Walmsley  <paul.walmsley@sifive.com>
 
 description:
index a634774..eedde38 100644 (file)
@@ -7,7 +7,7 @@ $schema: "http://devicetree.org/meta-schemas/core.yaml#"
 title: Bindings for the TI wrapper module for the Cadence USBSS-DRD controller
 
 maintainers:
-  - Roger Quadros <rogerq@ti.com>
+  - Roger Quadros <rogerq@kernel.org>
 
 properties:
   compatible:
index f6e91a5..4f7a212 100644 (file)
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: TI Keystone Soc USB Controller
 
 maintainers:
-  - Roger Quadros <rogerq@ti.com>
+  - Roger Quadros <rogerq@kernel.org>
 
 properties:
   compatible:
index 0266cd0..df53ff8 100644 (file)
@@ -2,7 +2,7 @@
 
         Set the histogram bucket size (default *1*).
 
-**-e**, **--entries** *N*
+**-E**, **--entries** *N*
 
         Set the number of entries of the histogram (default 256).
 
index 8973c5d..d5d6161 100644 (file)
@@ -1,7 +1,7 @@
 The **rtla osnoise** tool is an interface for the *osnoise* tracer. The
 *osnoise* tracer dispatches a kernel thread per-cpu. These threads read the
 time in a loop while with preemption, softirq and IRQs enabled, thus
-allowing all the sources of operating systme noise during its execution.
+allowing all the sources of operating system noise during its execution.
 The *osnoise*'s tracer threads take note of the delta between each time
 read, along with an interference counter of all sources of interference.
 At the end of each period, the *osnoise* tracer displays a summary of
index 52298dd..f2e79d2 100644 (file)
@@ -36,7 +36,7 @@ default). The reason for reducing the runtime is to avoid starving the
 **rtla** tool. The tool is also set to run for *one minute*. The output
 histogram is set to group outputs in buckets of *10us* and *25* entries::
 
-  [root@f34 ~/]# rtla osnoise hist -P F:1 -c 0-11 -r 900000 -d 1M -b 10 -e 25
+  [root@f34 ~/]# rtla osnoise hist -P F:1 -c 0-11 -r 900000 -d 1M -b 10 -E 25
   # RTLA osnoise histogram
   # Time unit is microseconds (us)
   # Duration:   0 00:01:00
index 87a3604..2ca9204 100644 (file)
@@ -84,6 +84,8 @@ CPUfreq核心层注册一个cpufreq_driver结构体。
  .resume - 一个指向per-policy恢复函数的指针,该函数在关中断且在调节器再一次启动前被
  调用。
 
+ .ready - 一个指向per-policy准备函数的指针,该函数在策略完全初始化之后被调用。
+
  .attr - 一个指向NULL结尾的"struct freq_attr"列表的指针,该列表允许导出值到
  sysfs。
 
index a426710..9f31723 100644 (file)
@@ -1394,7 +1394,7 @@ documentation when it pops into existence).
 -------------------
 
 :Capability: KVM_CAP_ENABLE_CAP
-:Architectures: mips, ppc, s390
+:Architectures: mips, ppc, s390, x86
 :Type: vcpu ioctl
 :Parameters: struct kvm_enable_cap (in)
 :Returns: 0 on success; -1 on error
@@ -6997,6 +6997,20 @@ indicated by the fd to the VM this is called on.
 This is intended to support intra-host migration of VMs between userspace VMMs,
 upgrading the VMM process without interrupting the guest.
 
+7.30 KVM_CAP_PPC_AIL_MODE_3
+-------------------------------
+
+:Capability: KVM_CAP_PPC_AIL_MODE_3
+:Architectures: ppc
+:Type: vm
+
+This capability indicates that the kernel supports the mode 3 setting for the
+"Address Translation Mode on Interrupt" aka "Alternate Interrupt Location"
+resource that is controlled with the H_SET_MODE hypercall.
+
+This capability allows a guest kernel to use a better-performance mode for
+handling interrupts and system calls.
+
 8. Other capabilities.
 ======================
 
index 777cd6f..1ba1e4a 100644 (file)
@@ -4913,7 +4913,8 @@ F:        kernel/cgroup/cpuset.c
 CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)
 M:     Johannes Weiner <hannes@cmpxchg.org>
 M:     Michal Hocko <mhocko@kernel.org>
-M:     Vladimir Davydov <vdavydov.dev@gmail.com>
+M:     Roman Gushchin <roman.gushchin@linux.dev>
+M:     Shakeel Butt <shakeelb@google.com>
 L:     cgroups@vger.kernel.org
 L:     linux-mm@kvack.org
 S:     Maintained
@@ -7011,12 +7012,6 @@ L:       linux-edac@vger.kernel.org
 S:     Maintained
 F:     drivers/edac/sb_edac.c
 
-EDAC-SIFIVE
-M:     Yash Shah <yash.shah@sifive.com>
-L:     linux-edac@vger.kernel.org
-S:     Supported
-F:     drivers/edac/sifive_edac.c
-
 EDAC-SKYLAKE
 M:     Tony Luck <tony.luck@intel.com>
 L:     linux-edac@vger.kernel.org
@@ -15573,6 +15568,7 @@ M:      Iurii Zaikin <yzaikin@google.com>
 L:     linux-kernel@vger.kernel.org
 L:     linux-fsdevel@vger.kernel.org
 S:     Maintained
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git sysctl-next
 F:     fs/proc/proc_sysctl.c
 F:     include/linux/sysctl.h
 F:     kernel/sysctl-test.c
@@ -16079,8 +16075,8 @@ F:      Documentation/devicetree/bindings/mtd/qcom,nandc.yaml
 F:     drivers/mtd/nand/raw/qcom_nandc.c
 
 QUALCOMM RMNET DRIVER
-M:     Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
-M:     Sean Tranchetti <stranche@codeaurora.org>
+M:     Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com>
+M:     Sean Tranchetti <quic_stranche@quicinc.com>
 L:     netdev@vger.kernel.org
 S:     Maintained
 F:     Documentation/networking/device_drivers/cellular/qualcomm/rmnet.rst
@@ -16372,6 +16368,7 @@ F:      drivers/watchdog/realtek_otto_wdt.c
 
 REALTEK RTL83xx SMI DSA ROUTER CHIPS
 M:     Linus Walleij <linus.walleij@linaro.org>
+M:     Alvin Šipraga <alsi@bang-olufsen.dk>
 S:     Maintained
 F:     Documentation/devicetree/bindings/net/dsa/realtek-smi.txt
 F:     drivers/net/dsa/realtek-smi*
@@ -17765,8 +17762,10 @@ M:     David Rientjes <rientjes@google.com>
 M:     Joonsoo Kim <iamjoonsoo.kim@lge.com>
 M:     Andrew Morton <akpm@linux-foundation.org>
 M:     Vlastimil Babka <vbabka@suse.cz>
+R:     Roman Gushchin <roman.gushchin@linux.dev>
 L:     linux-mm@kvack.org
 S:     Maintained
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git
 F:     include/linux/sl?b*.h
 F:     mm/sl?b*
 
index 289ce2b..daeb5c8 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 VERSION = 5
 PATCHLEVEL = 17
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
 NAME = Superb Owl
 
 # *DOCUMENTATION*
index 237d20d..286cec4 100644 (file)
@@ -340,7 +340,7 @@ static int emulate_stw(struct pt_regs *regs, int frreg, int flop)
        : "r" (val), "r" (regs->ior), "r" (regs->isr)
        : "r19", "r20", "r21", "r22", "r1", FIXUP_BRANCH_CLOBBER );
 
-       return 0;
+       return ret;
 }
 static int emulate_std(struct pt_regs *regs, int frreg, int flop)
 {
@@ -397,7 +397,7 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
        __asm__ __volatile__ (
 "      mtsp    %4, %%sr1\n"
 "      zdep    %2, 29, 2, %%r19\n"
-"      dep     %%r0, 31, 2, %2\n"
+"      dep     %%r0, 31, 2, %3\n"
 "      mtsar   %%r19\n"
 "      zvdepi  -2, 32, %%r19\n"
 "1:    ldw     0(%%sr1,%3),%%r20\n"
@@ -409,7 +409,7 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
 "      andcm   %%r21, %%r19, %%r21\n"
 "      or      %1, %%r20, %1\n"
 "      or      %2, %%r21, %2\n"
-"3:    stw     %1,0(%%sr1,%1)\n"
+"3:    stw     %1,0(%%sr1,%3)\n"
 "4:    stw     %%r1,4(%%sr1,%3)\n"
 "5:    stw     %2,8(%%sr1,%3)\n"
 "      copy    %%r0, %0\n"
@@ -596,7 +596,6 @@ void handle_unaligned(struct pt_regs *regs)
                ret = ERR_NOTHANDLED;   /* "undefined", but lets kill them. */
                break;
        }
-#ifdef CONFIG_PA20
        switch (regs->iir & OPCODE2_MASK)
        {
        case OPCODE_FLDD_L:
@@ -607,22 +606,23 @@ void handle_unaligned(struct pt_regs *regs)
                flop=1;
                ret = emulate_std(regs, R2(regs->iir),1);
                break;
+#ifdef CONFIG_PA20
        case OPCODE_LDD_L:
                ret = emulate_ldd(regs, R2(regs->iir),0);
                break;
        case OPCODE_STD_L:
                ret = emulate_std(regs, R2(regs->iir),0);
                break;
-       }
 #endif
+       }
        switch (regs->iir & OPCODE3_MASK)
        {
        case OPCODE_FLDW_L:
                flop=1;
-               ret = emulate_ldw(regs, R2(regs->iir),0);
+               ret = emulate_ldw(regs, R2(regs->iir), 1);
                break;
        case OPCODE_LDW_M:
-               ret = emulate_ldw(regs, R2(regs->iir),1);
+               ret = emulate_ldw(regs, R2(regs->iir), 0);
                break;
 
        case OPCODE_FSTW_L:
index 2a82a3b..af64b95 100644 (file)
@@ -23,7 +23,7 @@ CONFIG_SLOB=y
 CONFIG_SOC_CANAAN=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2
-CONFIG_CMDLINE="earlycon console=ttySIF0 rootdelay=2 root=/dev/mmcblk0p1 ro"
+CONFIG_CMDLINE="earlycon console=ttySIF0 root=/dev/mmcblk0p1 rootwait ro"
 CONFIG_CMDLINE_FORCE=y
 # CONFIG_SECCOMP is not set
 # CONFIG_STACKPROTECTOR is not set
index 612556f..ffc87e7 100644 (file)
@@ -51,6 +51,8 @@ obj-$(CONFIG_MODULE_SECTIONS) += module-sections.o
 obj-$(CONFIG_FUNCTION_TRACER)  += mcount.o ftrace.o
 obj-$(CONFIG_DYNAMIC_FTRACE)   += mcount-dyn.o
 
+obj-$(CONFIG_TRACE_IRQFLAGS)   += trace_irq.o
+
 obj-$(CONFIG_RISCV_BASE_PMU)   += perf_event.o
 obj-$(CONFIG_PERF_EVENTS)      += perf_callchain.o
 obj-$(CONFIG_HAVE_PERF_REGS)   += perf_regs.o
index ed29e9c..d6a46ed 100644 (file)
@@ -108,7 +108,7 @@ _save_context:
 .option pop
 
 #ifdef CONFIG_TRACE_IRQFLAGS
-       call trace_hardirqs_off
+       call __trace_hardirqs_off
 #endif
 
 #ifdef CONFIG_CONTEXT_TRACKING
@@ -143,7 +143,7 @@ skip_context_tracking:
        li t0, EXC_BREAKPOINT
        beq s4, t0, 1f
 #ifdef CONFIG_TRACE_IRQFLAGS
-       call trace_hardirqs_on
+       call __trace_hardirqs_on
 #endif
        csrs CSR_STATUS, SR_IE
 
@@ -234,7 +234,7 @@ ret_from_exception:
        REG_L s0, PT_STATUS(sp)
        csrc CSR_STATUS, SR_IE
 #ifdef CONFIG_TRACE_IRQFLAGS
-       call trace_hardirqs_off
+       call __trace_hardirqs_off
 #endif
 #ifdef CONFIG_RISCV_M_MODE
        /* the MPP value is too large to be used as an immediate arg for addi */
@@ -270,10 +270,10 @@ restore_all:
        REG_L s1, PT_STATUS(sp)
        andi t0, s1, SR_PIE
        beqz t0, 1f
-       call trace_hardirqs_on
+       call __trace_hardirqs_on
        j 2f
 1:
-       call trace_hardirqs_off
+       call __trace_hardirqs_off
 2:
 #endif
        REG_L a0, PT_STATUS(sp)
diff --git a/arch/riscv/kernel/trace_irq.c b/arch/riscv/kernel/trace_irq.c
new file mode 100644 (file)
index 0000000..095ac97
--- /dev/null
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022 Changbin Du <changbin.du@gmail.com>
+ */
+
+#include <linux/irqflags.h>
+#include <linux/kprobes.h>
+#include "trace_irq.h"
+
+/*
+ * trace_hardirqs_on/off require the caller to setup frame pointer properly.
+ * Otherwise, CALLER_ADDR1 might trigger an pagging exception in kernel.
+ * Here we add one extra level so they can be safely called by low
+ * level entry code which $fp is used for other purpose.
+ */
+
+void __trace_hardirqs_on(void)
+{
+       trace_hardirqs_on();
+}
+NOKPROBE_SYMBOL(__trace_hardirqs_on);
+
+void __trace_hardirqs_off(void)
+{
+       trace_hardirqs_off();
+}
+NOKPROBE_SYMBOL(__trace_hardirqs_off);
diff --git a/arch/riscv/kernel/trace_irq.h b/arch/riscv/kernel/trace_irq.h
new file mode 100644 (file)
index 0000000..99fe673
--- /dev/null
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2022 Changbin Du <changbin.du@gmail.com>
+ */
+#ifndef __TRACE_IRQ_H
+#define __TRACE_IRQ_H
+
+void __trace_hardirqs_on(void);
+void __trace_hardirqs_off(void);
+
+#endif /* __TRACE_IRQ_H */
index 6dcccb3..ec9830d 100644 (file)
@@ -703,7 +703,6 @@ struct kvm_vcpu_arch {
        struct fpu_guest guest_fpu;
 
        u64 xcr0;
-       u64 guest_supported_xcr0;
 
        struct kvm_pio_request pio;
        void *pio_data;
index 02b3dda..7c7824a 100644 (file)
@@ -1558,7 +1558,10 @@ static int fpstate_realloc(u64 xfeatures, unsigned int ksize,
                fpregs_restore_userregs();
 
        newfps->xfeatures = curfps->xfeatures | xfeatures;
-       newfps->user_xfeatures = curfps->user_xfeatures | xfeatures;
+
+       if (!guest_fpu)
+               newfps->user_xfeatures = curfps->user_xfeatures | xfeatures;
+
        newfps->xfd = curfps->xfd & ~xfeatures;
 
        /* Do the final updates within the locked region */
index a438217..f734e3b 100644 (file)
@@ -462,19 +462,22 @@ static bool pv_tlb_flush_supported(void)
 {
        return (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) &&
                !kvm_para_has_hint(KVM_HINTS_REALTIME) &&
-               kvm_para_has_feature(KVM_FEATURE_STEAL_TIME));
+               kvm_para_has_feature(KVM_FEATURE_STEAL_TIME) &&
+               (num_possible_cpus() != 1));
 }
 
 static bool pv_ipi_supported(void)
 {
-       return kvm_para_has_feature(KVM_FEATURE_PV_SEND_IPI);
+       return (kvm_para_has_feature(KVM_FEATURE_PV_SEND_IPI) &&
+              (num_possible_cpus() != 1));
 }
 
 static bool pv_sched_yield_supported(void)
 {
        return (kvm_para_has_feature(KVM_FEATURE_PV_SCHED_YIELD) &&
                !kvm_para_has_hint(KVM_HINTS_REALTIME) &&
-           kvm_para_has_feature(KVM_FEATURE_STEAL_TIME));
+           kvm_para_has_feature(KVM_FEATURE_STEAL_TIME) &&
+           (num_possible_cpus() != 1));
 }
 
 #define KVM_IPI_CLUSTER_SIZE   (2 * BITS_PER_LONG)
index 494d4d3..b8f8d26 100644 (file)
@@ -282,6 +282,7 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
 {
        struct kvm_lapic *apic = vcpu->arch.apic;
        struct kvm_cpuid_entry2 *best;
+       u64 guest_supported_xcr0;
 
        best = kvm_find_cpuid_entry(vcpu, 1, 0);
        if (best && apic) {
@@ -293,9 +294,11 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
                kvm_apic_set_version(vcpu);
        }
 
-       vcpu->arch.guest_supported_xcr0 =
+       guest_supported_xcr0 =
                cpuid_get_supported_xcr0(vcpu->arch.cpuid_entries, vcpu->arch.cpuid_nent);
 
+       vcpu->arch.guest_fpu.fpstate->user_xfeatures = guest_supported_xcr0;
+
        kvm_update_pv_runtime(vcpu);
 
        vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
index 593093b..8e24f73 100644 (file)
@@ -3889,12 +3889,23 @@ static void shadow_page_table_clear_flood(struct kvm_vcpu *vcpu, gva_t addr)
        walk_shadow_page_lockless_end(vcpu);
 }
 
+static u32 alloc_apf_token(struct kvm_vcpu *vcpu)
+{
+       /* make sure the token value is not 0 */
+       u32 id = vcpu->arch.apf.id;
+
+       if (id << 12 == 0)
+               vcpu->arch.apf.id = 1;
+
+       return (vcpu->arch.apf.id++ << 12) | vcpu->vcpu_id;
+}
+
 static bool kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
                                    gfn_t gfn)
 {
        struct kvm_arch_async_pf arch;
 
-       arch.token = (vcpu->arch.apf.id++ << 12) | vcpu->vcpu_id;
+       arch.token = alloc_apf_token(vcpu);
        arch.gfn = gfn;
        arch.direct_map = vcpu->arch.mmu->direct_map;
        arch.cr3 = vcpu->arch.mmu->get_guest_pgd(vcpu);
index 821edf6..fd3a00c 100644 (file)
@@ -2693,8 +2693,23 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
        u64 data = msr->data;
        switch (ecx) {
        case MSR_AMD64_TSC_RATIO:
-               if (!msr->host_initiated && !svm->tsc_scaling_enabled)
-                       return 1;
+
+               if (!svm->tsc_scaling_enabled) {
+
+                       if (!msr->host_initiated)
+                               return 1;
+                       /*
+                        * In case TSC scaling is not enabled, always
+                        * leave this MSR at the default value.
+                        *
+                        * Due to bug in qemu 6.2.0, it would try to set
+                        * this msr to 0 if tsc scaling is not enabled.
+                        * Ignore this value as well.
+                        */
+                       if (data != 0 && data != svm->tsc_ratio_msr)
+                               return 1;
+                       break;
+               }
 
                if (data & TSC_RATIO_RSVD)
                        return 1;
index 641044d..82a9dcd 100644 (file)
@@ -984,6 +984,18 @@ void kvm_load_host_xsave_state(struct kvm_vcpu *vcpu)
 }
 EXPORT_SYMBOL_GPL(kvm_load_host_xsave_state);
 
+static inline u64 kvm_guest_supported_xcr0(struct kvm_vcpu *vcpu)
+{
+       return vcpu->arch.guest_fpu.fpstate->user_xfeatures;
+}
+
+#ifdef CONFIG_X86_64
+static inline u64 kvm_guest_supported_xfd(struct kvm_vcpu *vcpu)
+{
+       return kvm_guest_supported_xcr0(vcpu) & XFEATURE_MASK_USER_DYNAMIC;
+}
+#endif
+
 static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
 {
        u64 xcr0 = xcr;
@@ -1003,7 +1015,7 @@ static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
         * saving.  However, xcr0 bit 0 is always set, even if the
         * emulated CPU does not support XSAVE (see kvm_vcpu_reset()).
         */
-       valid_bits = vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FP;
+       valid_bits = kvm_guest_supported_xcr0(vcpu) | XFEATURE_MASK_FP;
        if (xcr0 & ~valid_bits)
                return 1;
 
@@ -2351,10 +2363,12 @@ static u64 compute_guest_tsc(struct kvm_vcpu *vcpu, s64 kernel_ns)
        return tsc;
 }
 
+#ifdef CONFIG_X86_64
 static inline int gtod_is_based_on_tsc(int mode)
 {
        return mode == VDSO_CLOCKMODE_TSC || mode == VDSO_CLOCKMODE_HVCLOCK;
 }
+#endif
 
 static void kvm_track_tsc_matching(struct kvm_vcpu *vcpu)
 {
@@ -3706,8 +3720,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
                    !guest_cpuid_has(vcpu, X86_FEATURE_XFD))
                        return 1;
 
-               if (data & ~(XFEATURE_MASK_USER_DYNAMIC &
-                            vcpu->arch.guest_supported_xcr0))
+               if (data & ~kvm_guest_supported_xfd(vcpu))
                        return 1;
 
                fpu_update_guest_xfd(&vcpu->arch.guest_fpu, data);
@@ -3717,8 +3730,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
                    !guest_cpuid_has(vcpu, X86_FEATURE_XFD))
                        return 1;
 
-               if (data & ~(XFEATURE_MASK_USER_DYNAMIC &
-                            vcpu->arch.guest_supported_xcr0))
+               if (data & ~kvm_guest_supported_xfd(vcpu))
                        return 1;
 
                vcpu->arch.guest_fpu.xfd_err = data;
@@ -4233,6 +4245,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
        case KVM_CAP_EXIT_ON_EMULATION_FAILURE:
        case KVM_CAP_VCPU_ATTRIBUTES:
        case KVM_CAP_SYS_ATTRIBUTES:
+       case KVM_CAP_ENABLE_CAP:
                r = 1;
                break;
        case KVM_CAP_EXIT_HYPERCALL:
@@ -8942,6 +8955,13 @@ static int kvm_pv_clock_pairing(struct kvm_vcpu *vcpu, gpa_t paddr,
        if (clock_type != KVM_CLOCK_PAIRING_WALLCLOCK)
                return -KVM_EOPNOTSUPP;
 
+       /*
+        * When tsc is in permanent catchup mode guests won't be able to use
+        * pvclock_read_retry loop to get consistent view of pvclock
+        */
+       if (vcpu->arch.tsc_always_catchup)
+               return -KVM_EOPNOTSUPP;
+
        if (!kvm_get_walltime_and_clockread(&ts, &cycle))
                return -KVM_EOPNOTSUPP;
 
index 4f59e0f..a18e7fb 100644 (file)
@@ -289,6 +289,8 @@ static void blkdev_bio_end_io_async(struct bio *bio)
        struct kiocb *iocb = dio->iocb;
        ssize_t ret;
 
+       WRITE_ONCE(iocb->private, NULL);
+
        if (likely(!bio->bi_status)) {
                ret = dio->size;
                iocb->ki_pos += ret;
index 7abc7e0..6fa4a2f 100644 (file)
@@ -919,6 +919,20 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
        irqmask &= ~0x10;
        pci_write_config_byte(dev, 0x5a, irqmask);
 
+       /*
+        * HPT371 chips physically have only one channel, the secondary one,
+        * but the primary channel registers do exist!  Go figure...
+        * So,  we manually disable the non-existing channel here
+        * (if the BIOS hasn't done this already).
+        */
+       if (dev->device == PCI_DEVICE_ID_TTI_HPT371) {
+               u8 mcr1;
+
+               pci_read_config_byte(dev, 0x50, &mcr1);
+               mcr1 &= ~0x04;
+               pci_write_config_byte(dev, 0x50, mcr1);
+       }
+
        /*
         * default to pci clock. make sure MA15/16 are set to output
         * to prevent drives having problems with 40-pin cables. Needed
@@ -950,14 +964,14 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 
        if ((freq >> 12) != 0xABCDE) {
                int i;
-               u8 sr;
+               u16 sr;
                u32 total = 0;
 
                dev_warn(&dev->dev, "BIOS has not set timing clocks\n");
 
                /* This is the process the HPT371 BIOS is reported to use */
                for (i = 0; i < 128; i++) {
-                       pci_read_config_byte(dev, 0x78, &sr);
+                       pci_read_config_word(dev, 0x78, &sr);
                        total += sr & 0x1FF;
                        udelay(15);
                }
index 9eaaff2..f47cab2 100644 (file)
@@ -629,6 +629,9 @@ re_probe:
                        drv->remove(dev);
 
                devres_release_all(dev);
+               arch_teardown_dma_ops(dev);
+               kfree(dev->dma_range_map);
+               dev->dma_range_map = NULL;
                driver_sysfs_remove(dev);
                dev->driver = NULL;
                dev_set_drvdata(dev, NULL);
@@ -1209,6 +1212,8 @@ static void __device_release_driver(struct device *dev, struct device *parent)
 
                devres_release_all(dev);
                arch_teardown_dma_ops(dev);
+               kfree(dev->dma_range_map);
+               dev->dma_range_map = NULL;
                dev->driver = NULL;
                dev_set_drvdata(dev, NULL);
                if (dev->pm_domain && dev->pm_domain->dismiss)
index d265658..4a44625 100644 (file)
@@ -189,11 +189,9 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
                                ret = regmap_write(map, reg, d->mask_buf[i]);
                        if (d->chip->clear_ack) {
                                if (d->chip->ack_invert && !ret)
-                                       ret = regmap_write(map, reg,
-                                                          d->mask_buf[i]);
+                                       ret = regmap_write(map, reg, UINT_MAX);
                                else if (!ret)
-                                       ret = regmap_write(map, reg,
-                                                          ~d->mask_buf[i]);
+                                       ret = regmap_write(map, reg, 0);
                        }
                        if (ret != 0)
                                dev_err(d->map->dev, "Failed to ack 0x%x: %d\n",
@@ -556,11 +554,9 @@ static irqreturn_t regmap_irq_thread(int irq, void *d)
                                                data->status_buf[i]);
                        if (chip->clear_ack) {
                                if (chip->ack_invert && !ret)
-                                       ret = regmap_write(map, reg,
-                                                       data->status_buf[i]);
+                                       ret = regmap_write(map, reg, UINT_MAX);
                                else if (!ret)
-                                       ret = regmap_write(map, reg,
-                                                       ~data->status_buf[i]);
+                                       ret = regmap_write(map, reg, 0);
                        }
                        if (ret != 0)
                                dev_err(map->dev, "Failed to ack 0x%x: %d\n",
@@ -817,13 +813,9 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
                                        d->status_buf[i] & d->mask_buf[i]);
                        if (chip->clear_ack) {
                                if (chip->ack_invert && !ret)
-                                       ret = regmap_write(map, reg,
-                                               (d->status_buf[i] &
-                                                d->mask_buf[i]));
+                                       ret = regmap_write(map, reg, UINT_MAX);
                                else if (!ret)
-                                       ret = regmap_write(map, reg,
-                                               ~(d->status_buf[i] &
-                                                 d->mask_buf[i]));
+                                       ret = regmap_write(map, reg, 0);
                        }
                        if (ret != 0) {
                                dev_err(map->dev, "Failed to ack 0x%x: %d\n",
index 744d136..15d6179 100644 (file)
@@ -139,11 +139,10 @@ static const struct ingenic_cgu_clk_info jz4725b_cgu_clocks[] = {
        },
 
        [JZ4725B_CLK_I2S] = {
-               "i2s", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
+               "i2s", CGU_CLK_MUX | CGU_CLK_DIV,
                .parents = { JZ4725B_CLK_EXT, JZ4725B_CLK_PLL_HALF, -1, -1 },
                .mux = { CGU_REG_CPCCR, 31, 1 },
                .div = { CGU_REG_I2SCDR, 0, 1, 9, -1, -1, -1 },
-               .gate = { CGU_REG_CLKGR, 6 },
        },
 
        [JZ4725B_CLK_SPI] = {
index 71aa630..f094999 100644 (file)
@@ -108,42 +108,6 @@ static const struct clk_parent_data gcc_xo_gpll0_gpll4[] = {
        { .hw = &gpll4.clkr.hw },
 };
 
-static struct clk_rcg2 system_noc_clk_src = {
-       .cmd_rcgr = 0x0120,
-       .hid_width = 5,
-       .parent_map = gcc_xo_gpll0_map,
-       .clkr.hw.init = &(struct clk_init_data){
-               .name = "system_noc_clk_src",
-               .parent_data = gcc_xo_gpll0,
-               .num_parents = ARRAY_SIZE(gcc_xo_gpll0),
-               .ops = &clk_rcg2_ops,
-       },
-};
-
-static struct clk_rcg2 config_noc_clk_src = {
-       .cmd_rcgr = 0x0150,
-       .hid_width = 5,
-       .parent_map = gcc_xo_gpll0_map,
-       .clkr.hw.init = &(struct clk_init_data){
-               .name = "config_noc_clk_src",
-               .parent_data = gcc_xo_gpll0,
-               .num_parents = ARRAY_SIZE(gcc_xo_gpll0),
-               .ops = &clk_rcg2_ops,
-       },
-};
-
-static struct clk_rcg2 periph_noc_clk_src = {
-       .cmd_rcgr = 0x0190,
-       .hid_width = 5,
-       .parent_map = gcc_xo_gpll0_map,
-       .clkr.hw.init = &(struct clk_init_data){
-               .name = "periph_noc_clk_src",
-               .parent_data = gcc_xo_gpll0,
-               .num_parents = ARRAY_SIZE(gcc_xo_gpll0),
-               .ops = &clk_rcg2_ops,
-       },
-};
-
 static struct freq_tbl ftbl_ufs_axi_clk_src[] = {
        F(50000000, P_GPLL0, 12, 0, 0),
        F(100000000, P_GPLL0, 6, 0, 0),
@@ -1150,8 +1114,6 @@ static struct clk_branch gcc_blsp1_ahb_clk = {
                .enable_mask = BIT(17),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_blsp1_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1435,8 +1397,6 @@ static struct clk_branch gcc_blsp2_ahb_clk = {
                .enable_mask = BIT(15),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_blsp2_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1764,8 +1724,6 @@ static struct clk_branch gcc_lpass_q6_axi_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_lpass_q6_axi_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1778,8 +1736,6 @@ static struct clk_branch gcc_mss_q6_bimc_axi_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_mss_q6_bimc_axi_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1807,9 +1763,6 @@ static struct clk_branch gcc_pcie_0_cfg_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pcie_0_cfg_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &config_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1822,9 +1775,6 @@ static struct clk_branch gcc_pcie_0_mstr_axi_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pcie_0_mstr_axi_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1854,9 +1804,6 @@ static struct clk_branch gcc_pcie_0_slv_axi_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pcie_0_slv_axi_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1884,9 +1831,6 @@ static struct clk_branch gcc_pcie_1_cfg_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pcie_1_cfg_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &config_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1899,9 +1843,6 @@ static struct clk_branch gcc_pcie_1_mstr_axi_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pcie_1_mstr_axi_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1930,9 +1871,6 @@ static struct clk_branch gcc_pcie_1_slv_axi_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pcie_1_slv_axi_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1960,8 +1898,6 @@ static struct clk_branch gcc_pdm_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pdm_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -1989,9 +1925,6 @@ static struct clk_branch gcc_sdcc1_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_sdcc1_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2004,9 +1937,6 @@ static struct clk_branch gcc_sdcc2_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_sdcc2_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2034,9 +1964,6 @@ static struct clk_branch gcc_sdcc3_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_sdcc3_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2064,9 +1991,6 @@ static struct clk_branch gcc_sdcc4_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_sdcc4_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
-                       .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2124,8 +2048,6 @@ static struct clk_branch gcc_tsif_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_tsif_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2153,8 +2075,6 @@ static struct clk_branch gcc_ufs_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_ufs_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &config_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2198,8 +2118,6 @@ static struct clk_branch gcc_ufs_rx_symbol_0_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_ufs_rx_symbol_0_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2213,8 +2131,6 @@ static struct clk_branch gcc_ufs_rx_symbol_1_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_ufs_rx_symbol_1_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2243,8 +2159,6 @@ static struct clk_branch gcc_ufs_tx_symbol_0_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_ufs_tx_symbol_0_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2258,8 +2172,6 @@ static struct clk_branch gcc_ufs_tx_symbol_1_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_ufs_tx_symbol_1_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &system_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2364,8 +2276,6 @@ static struct clk_branch gcc_usb_hs_ahb_clk = {
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_usb_hs_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2488,8 +2398,6 @@ static struct clk_branch gcc_boot_rom_ahb_clk = {
                .enable_mask = BIT(10),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_boot_rom_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &config_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2503,8 +2411,6 @@ static struct clk_branch gcc_prng_ahb_clk = {
                .enable_mask = BIT(13),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_prng_ahb_clk",
-                       .parent_hws = (const struct clk_hw *[]){ &periph_noc_clk_src.clkr.hw },
-                       .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
@@ -2547,9 +2453,6 @@ static struct clk_regmap *gcc_msm8994_clocks[] = {
        [GPLL0] = &gpll0.clkr,
        [GPLL4_EARLY] = &gpll4_early.clkr,
        [GPLL4] = &gpll4.clkr,
-       [CONFIG_NOC_CLK_SRC] = &config_noc_clk_src.clkr,
-       [PERIPH_NOC_CLK_SRC] = &periph_noc_clk_src.clkr,
-       [SYSTEM_NOC_CLK_SRC] = &system_noc_clk_src.clkr,
        [UFS_AXI_CLK_SRC] = &ufs_axi_clk_src.clkr,
        [USB30_MASTER_CLK_SRC] = &usb30_master_clk_src.clkr,
        [BLSP1_QUP1_I2C_APPS_CLK_SRC] = &blsp1_qup1_i2c_apps_clk_src.clkr,
@@ -2696,6 +2599,15 @@ static struct clk_regmap *gcc_msm8994_clocks[] = {
        [USB_SS_PHY_LDO] = &usb_ss_phy_ldo.clkr,
        [GCC_BOOT_ROM_AHB_CLK] = &gcc_boot_rom_ahb_clk.clkr,
        [GCC_PRNG_AHB_CLK] = &gcc_prng_ahb_clk.clkr,
+
+       /*
+        * The following clocks should NOT be managed by this driver, but they once were
+        * mistakengly added. Now they are only here to indicate that they are not defined
+        * on purpose, even though the names will stay in the header file (for ABI sanity).
+        */
+       [CONFIG_NOC_CLK_SRC] = NULL,
+       [PERIPH_NOC_CLK_SRC] = NULL,
+       [SYSTEM_NOC_CLK_SRC] = NULL,
 };
 
 static struct gdsc *gcc_msm8994_gdscs[] = {
index b8d9553..80f535c 100644 (file)
@@ -1518,6 +1518,10 @@ static int cpufreq_online(unsigned int cpu)
 
        kobject_uevent(&policy->kobj, KOBJ_ADD);
 
+       /* Callback for handling stuff after policy is ready */
+       if (cpufreq_driver->ready)
+               cpufreq_driver->ready(policy);
+
        if (cpufreq_thermal_control_enabled(cpufreq_driver))
                policy->cdev = of_cpufreq_cooling_register(policy);
 
index 05f3d78..effbb68 100644 (file)
@@ -388,7 +388,7 @@ static int qcom_cpufreq_hw_lmh_init(struct cpufreq_policy *policy, int index)
 
        snprintf(data->irq_name, sizeof(data->irq_name), "dcvsh-irq-%u", policy->cpu);
        ret = request_threaded_irq(data->throttle_irq, NULL, qcom_lmh_dcvs_handle_irq,
-                                  IRQF_ONESHOT, data->irq_name, data);
+                                  IRQF_ONESHOT | IRQF_NO_AUTOEN, data->irq_name, data);
        if (ret) {
                dev_err(&pdev->dev, "Error registering %s: %d\n", data->irq_name, ret);
                return 0;
@@ -542,6 +542,14 @@ static int qcom_cpufreq_hw_cpu_exit(struct cpufreq_policy *policy)
        return 0;
 }
 
+static void qcom_cpufreq_ready(struct cpufreq_policy *policy)
+{
+       struct qcom_cpufreq_data *data = policy->driver_data;
+
+       if (data->throttle_irq >= 0)
+               enable_irq(data->throttle_irq);
+}
+
 static struct freq_attr *qcom_cpufreq_hw_attr[] = {
        &cpufreq_freq_attr_scaling_available_freqs,
        &cpufreq_freq_attr_scaling_boost_freqs,
@@ -561,6 +569,7 @@ static struct cpufreq_driver cpufreq_qcom_hw_driver = {
        .fast_switch    = qcom_cpufreq_hw_fast_switch,
        .name           = "qcom-cpufreq-hw",
        .attr           = qcom_cpufreq_hw_attr,
+       .ready          = qcom_cpufreq_ready,
 };
 
 static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev)
index a4c4e45..099e358 100644 (file)
@@ -410,10 +410,8 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type)
        level = rockchip_gpio_readl(bank, bank->gpio_regs->int_type);
        polarity = rockchip_gpio_readl(bank, bank->gpio_regs->int_polarity);
 
-       switch (type) {
-       case IRQ_TYPE_EDGE_BOTH:
+       if (type == IRQ_TYPE_EDGE_BOTH) {
                if (bank->gpio_type == GPIO_TYPE_V2) {
-                       bank->toggle_edge_mode &= ~mask;
                        rockchip_gpio_writel_bit(bank, d->hwirq, 1,
                                                 bank->gpio_regs->int_bothedge);
                        goto out;
@@ -431,30 +429,34 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type)
                        else
                                polarity |= mask;
                }
-               break;
-       case IRQ_TYPE_EDGE_RISING:
-               bank->toggle_edge_mode &= ~mask;
-               level |= mask;
-               polarity |= mask;
-               break;
-       case IRQ_TYPE_EDGE_FALLING:
-               bank->toggle_edge_mode &= ~mask;
-               level |= mask;
-               polarity &= ~mask;
-               break;
-       case IRQ_TYPE_LEVEL_HIGH:
-               bank->toggle_edge_mode &= ~mask;
-               level &= ~mask;
-               polarity |= mask;
-               break;
-       case IRQ_TYPE_LEVEL_LOW:
-               bank->toggle_edge_mode &= ~mask;
-               level &= ~mask;
-               polarity &= ~mask;
-               break;
-       default:
-               ret = -EINVAL;
-               goto out;
+       } else {
+               if (bank->gpio_type == GPIO_TYPE_V2) {
+                       rockchip_gpio_writel_bit(bank, d->hwirq, 0,
+                                                bank->gpio_regs->int_bothedge);
+               } else {
+                       bank->toggle_edge_mode &= ~mask;
+               }
+               switch (type) {
+               case IRQ_TYPE_EDGE_RISING:
+                       level |= mask;
+                       polarity |= mask;
+                       break;
+               case IRQ_TYPE_EDGE_FALLING:
+                       level |= mask;
+                       polarity &= ~mask;
+                       break;
+               case IRQ_TYPE_LEVEL_HIGH:
+                       level &= ~mask;
+                       polarity |= mask;
+                       break;
+               case IRQ_TYPE_LEVEL_LOW:
+                       level &= ~mask;
+                       polarity &= ~mask;
+                       break;
+               default:
+                       ret = -EINVAL;
+                       goto out;
+               }
        }
 
        rockchip_gpio_writel(bank, level, bank->gpio_regs->int_type);
index 34b36a8..8d298be 100644 (file)
@@ -343,9 +343,12 @@ static int tegra186_gpio_of_xlate(struct gpio_chip *chip,
        return offset + pin;
 }
 
+#define to_tegra_gpio(x) container_of((x), struct tegra_gpio, gpio)
+
 static void tegra186_irq_ack(struct irq_data *data)
 {
-       struct tegra_gpio *gpio = irq_data_get_irq_chip_data(data);
+       struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
+       struct tegra_gpio *gpio = to_tegra_gpio(gc);
        void __iomem *base;
 
        base = tegra186_gpio_get_base(gpio, data->hwirq);
@@ -357,7 +360,8 @@ static void tegra186_irq_ack(struct irq_data *data)
 
 static void tegra186_irq_mask(struct irq_data *data)
 {
-       struct tegra_gpio *gpio = irq_data_get_irq_chip_data(data);
+       struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
+       struct tegra_gpio *gpio = to_tegra_gpio(gc);
        void __iomem *base;
        u32 value;
 
@@ -372,7 +376,8 @@ static void tegra186_irq_mask(struct irq_data *data)
 
 static void tegra186_irq_unmask(struct irq_data *data)
 {
-       struct tegra_gpio *gpio = irq_data_get_irq_chip_data(data);
+       struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
+       struct tegra_gpio *gpio = to_tegra_gpio(gc);
        void __iomem *base;
        u32 value;
 
@@ -387,7 +392,8 @@ static void tegra186_irq_unmask(struct irq_data *data)
 
 static int tegra186_irq_set_type(struct irq_data *data, unsigned int type)
 {
-       struct tegra_gpio *gpio = irq_data_get_irq_chip_data(data);
+       struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
+       struct tegra_gpio *gpio = to_tegra_gpio(gc);
        void __iomem *base;
        u32 value;
 
index 3859911..a3d1427 100644 (file)
@@ -3147,6 +3147,16 @@ int gpiod_to_irq(const struct gpio_desc *desc)
 
                return retirq;
        }
+#ifdef CONFIG_GPIOLIB_IRQCHIP
+       if (gc->irq.chip) {
+               /*
+                * Avoid race condition with other code, which tries to lookup
+                * an IRQ before the irqchip has been properly registered,
+                * i.e. while gpiochip is still being brought up.
+                */
+               return -EPROBE_DEFER;
+       }
+#endif
        return -ENXIO;
 }
 EXPORT_SYMBOL_GPL(gpiod_to_irq);
index 3501a3e..3ae9619 100644 (file)
@@ -214,12 +214,14 @@ static int hwmon_thermal_add_sensor(struct device *dev, int index)
 
        tzd = devm_thermal_zone_of_sensor_register(dev, index, tdata,
                                                   &hwmon_thermal_ops);
-       /*
-        * If CONFIG_THERMAL_OF is disabled, this returns -ENODEV,
-        * so ignore that error but forward any other error.
-        */
-       if (IS_ERR(tzd) && (PTR_ERR(tzd) != -ENODEV))
-               return PTR_ERR(tzd);
+       if (IS_ERR(tzd)) {
+               if (PTR_ERR(tzd) != -ENODEV)
+                       return PTR_ERR(tzd);
+               dev_info(dev, "temp%d_input not attached to any thermal zone\n",
+                        index + 1);
+               devm_kfree(dev, tdata);
+               return 0;
+       }
 
        err = devm_add_action(dev, hwmon_thermal_remove_sensor, &tdata->node);
        if (err)
index 414204f..9c9e9f4 100644 (file)
@@ -59,7 +59,7 @@ static const struct platform_device_id ntc_thermistor_id[] = {
        [NTC_NCP15XH103]      = { "ncp15xh103",      TYPE_NCPXXXH103 },
        [NTC_NCP18WB473]      = { "ncp18wb473",      TYPE_NCPXXWB473 },
        [NTC_NCP21WB473]      = { "ncp21wb473",      TYPE_NCPXXWB473 },
-       [NTC_SSG1404001221]   = { "ssg1404-001221",  TYPE_NCPXXWB473 },
+       [NTC_SSG1404001221]   = { "ssg1404_001221",  TYPE_NCPXXWB473 },
        [NTC_LAST]            = { },
 };
 
index 776ee22..ac2fbee 100644 (file)
@@ -911,6 +911,11 @@ static int pmbus_get_boolean(struct i2c_client *client, struct pmbus_boolean *b,
                pmbus_update_sensor_data(client, s2);
 
        regval = status & mask;
+       if (regval) {
+               ret = pmbus_write_byte_data(client, page, reg, regval);
+               if (ret)
+                       goto unlock;
+       }
        if (s1 && s2) {
                s64 v1, v2;
 
index e6081dd..d11f668 100644 (file)
@@ -1783,11 +1783,14 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq,
        ret = iio_device_register(indio_dev);
        if (ret < 0) {
                dev_err(dev, "Unable to register iio device\n");
-               goto err_trigger_unregister;
+               goto err_pm_cleanup;
        }
 
        return 0;
 
+err_pm_cleanup:
+       pm_runtime_dont_use_autosuspend(dev);
+       pm_runtime_disable(dev);
 err_trigger_unregister:
        bmc150_accel_unregister_triggers(data, BMC150_ACCEL_TRIGGERS - 1);
 err_buffer_cleanup:
index 32989d9..f7fd9e0 100644 (file)
@@ -173,12 +173,20 @@ struct fxls8962af_data {
        u16 upper_thres;
 };
 
-const struct regmap_config fxls8962af_regmap_conf = {
+const struct regmap_config fxls8962af_i2c_regmap_conf = {
        .reg_bits = 8,
        .val_bits = 8,
        .max_register = FXLS8962AF_MAX_REG,
 };
-EXPORT_SYMBOL_GPL(fxls8962af_regmap_conf);
+EXPORT_SYMBOL_GPL(fxls8962af_i2c_regmap_conf);
+
+const struct regmap_config fxls8962af_spi_regmap_conf = {
+       .reg_bits = 8,
+       .pad_bits = 8,
+       .val_bits = 8,
+       .max_register = FXLS8962AF_MAX_REG,
+};
+EXPORT_SYMBOL_GPL(fxls8962af_spi_regmap_conf);
 
 enum {
        fxls8962af_idx_x,
index cfb004b..6bde989 100644 (file)
@@ -18,7 +18,7 @@ static int fxls8962af_probe(struct i2c_client *client)
 {
        struct regmap *regmap;
 
-       regmap = devm_regmap_init_i2c(client, &fxls8962af_regmap_conf);
+       regmap = devm_regmap_init_i2c(client, &fxls8962af_i2c_regmap_conf);
        if (IS_ERR(regmap)) {
                dev_err(&client->dev, "Failed to initialize i2c regmap\n");
                return PTR_ERR(regmap);
index 57108d3..6f4dff3 100644 (file)
@@ -18,7 +18,7 @@ static int fxls8962af_probe(struct spi_device *spi)
 {
        struct regmap *regmap;
 
-       regmap = devm_regmap_init_spi(spi, &fxls8962af_regmap_conf);
+       regmap = devm_regmap_init_spi(spi, &fxls8962af_spi_regmap_conf);
        if (IS_ERR(regmap)) {
                dev_err(&spi->dev, "Failed to initialize spi regmap\n");
                return PTR_ERR(regmap);
index b67572c..9cbe98c 100644 (file)
@@ -17,6 +17,7 @@ int fxls8962af_core_probe(struct device *dev, struct regmap *regmap, int irq);
 int fxls8962af_core_remove(struct device *dev);
 
 extern const struct dev_pm_ops fxls8962af_pm_ops;
-extern const struct regmap_config fxls8962af_regmap_conf;
+extern const struct regmap_config fxls8962af_i2c_regmap_conf;
+extern const struct regmap_config fxls8962af_spi_regmap_conf;
 
 #endif                         /* _FXLS8962AF_H_ */
index 0fe5703..ac74cdc 100644 (file)
@@ -1590,11 +1590,14 @@ static int kxcjk1013_probe(struct i2c_client *client,
        ret = iio_device_register(indio_dev);
        if (ret < 0) {
                dev_err(&client->dev, "unable to register iio device\n");
-               goto err_buffer_cleanup;
+               goto err_pm_cleanup;
        }
 
        return 0;
 
+err_pm_cleanup:
+       pm_runtime_dont_use_autosuspend(&client->dev);
+       pm_runtime_disable(&client->dev);
 err_buffer_cleanup:
        iio_triggered_buffer_cleanup(indio_dev);
 err_trigger_unregister:
index 4c359fb..c53a339 100644 (file)
@@ -495,11 +495,14 @@ static int mma9551_probe(struct i2c_client *client,
        ret = iio_device_register(indio_dev);
        if (ret < 0) {
                dev_err(&client->dev, "unable to register iio device\n");
-               goto out_poweroff;
+               goto err_pm_cleanup;
        }
 
        return 0;
 
+err_pm_cleanup:
+       pm_runtime_dont_use_autosuspend(&client->dev);
+       pm_runtime_disable(&client->dev);
 out_poweroff:
        mma9551_set_device_state(client, false);
 
index 0570ab1..5ff6bc7 100644 (file)
@@ -1134,12 +1134,15 @@ static int mma9553_probe(struct i2c_client *client,
        ret = iio_device_register(indio_dev);
        if (ret < 0) {
                dev_err(&client->dev, "unable to register iio device\n");
-               goto out_poweroff;
+               goto err_pm_cleanup;
        }
 
        dev_dbg(&indio_dev->dev, "Registered device %s\n", name);
        return 0;
 
+err_pm_cleanup:
+       pm_runtime_dont_use_autosuspend(&client->dev);
+       pm_runtime_disable(&client->dev);
 out_poweroff:
        mma9551_set_device_state(client, false);
        return ret;
index bc2cfa5..b400bbe 100644 (file)
@@ -76,7 +76,7 @@
 #define AD7124_CONFIG_REF_SEL(x)       FIELD_PREP(AD7124_CONFIG_REF_SEL_MSK, x)
 #define AD7124_CONFIG_PGA_MSK          GENMASK(2, 0)
 #define AD7124_CONFIG_PGA(x)           FIELD_PREP(AD7124_CONFIG_PGA_MSK, x)
-#define AD7124_CONFIG_IN_BUFF_MSK      GENMASK(7, 6)
+#define AD7124_CONFIG_IN_BUFF_MSK      GENMASK(6, 5)
 #define AD7124_CONFIG_IN_BUFF(x)       FIELD_PREP(AD7124_CONFIG_IN_BUFF_MSK, x)
 
 /* AD7124_FILTER_X */
index 42ea8bc..adc5cea 100644 (file)
@@ -103,6 +103,7 @@ static int men_z188_probe(struct mcb_device *dev,
        struct z188_adc *adc;
        struct iio_dev *indio_dev;
        struct resource *mem;
+       int ret;
 
        indio_dev = devm_iio_device_alloc(&dev->dev, sizeof(struct z188_adc));
        if (!indio_dev)
@@ -128,8 +129,14 @@ static int men_z188_probe(struct mcb_device *dev,
        adc->mem = mem;
        mcb_set_drvdata(dev, indio_dev);
 
-       return iio_device_register(indio_dev);
+       ret = iio_device_register(indio_dev);
+       if (ret)
+               goto err_unmap;
+
+       return 0;
 
+err_unmap:
+       iounmap(adc->base);
 err:
        mcb_release_mem(mem);
        return -ENXIO;
index d84ae6b..e8fc4d0 100644 (file)
@@ -388,7 +388,7 @@ static int tsc2046_adc_update_scan_mode(struct iio_dev *indio_dev,
        mutex_lock(&priv->slock);
 
        size = 0;
-       for_each_set_bit(ch_idx, active_scan_mask, indio_dev->num_channels) {
+       for_each_set_bit(ch_idx, active_scan_mask, ARRAY_SIZE(priv->l)) {
                size += tsc2046_adc_group_set_layout(priv, group, ch_idx);
                tsc2046_adc_group_set_cmd(priv, group, ch_idx);
                group++;
@@ -548,7 +548,7 @@ static int tsc2046_adc_setup_spi_msg(struct tsc2046_adc_priv *priv)
         * enabled.
         */
        size = 0;
-       for (ch_idx = 0; ch_idx < priv->dcfg->num_channels; ch_idx++)
+       for (ch_idx = 0; ch_idx < ARRAY_SIZE(priv->l); ch_idx++)
                size += tsc2046_adc_group_set_layout(priv, ch_idx, ch_idx);
 
        priv->tx = devm_kzalloc(&priv->spi->dev, size, GFP_KERNEL);
index 5271073..acd230a 100644 (file)
@@ -134,7 +134,6 @@ struct ad74413r_state {
 #define AD74413R_CH_EN_MASK(x)         BIT(x)
 
 #define AD74413R_REG_DIN_COMP_OUT              0x25
-#define AD74413R_DIN_COMP_OUT_SHIFT_X(x)       x
 
 #define AD74413R_REG_ADC_RESULT_X(x)   (0x26 + (x))
 #define AD74413R_ADC_RESULT_MAX                GENMASK(15, 0)
@@ -288,7 +287,7 @@ static void ad74413r_gpio_set_multiple(struct gpio_chip *chip,
        unsigned int offset = 0;
        int ret;
 
-       for_each_set_bit_from(offset, mask, AD74413R_CHANNEL_MAX) {
+       for_each_set_bit_from(offset, mask, chip->ngpio) {
                unsigned int real_offset = st->gpo_gpio_offsets[offset];
 
                ret = ad74413r_set_gpo_config(st, real_offset,
@@ -316,7 +315,7 @@ static int ad74413r_gpio_get(struct gpio_chip *chip, unsigned int offset)
        if (ret)
                return ret;
 
-       status &= AD74413R_DIN_COMP_OUT_SHIFT_X(real_offset);
+       status &= BIT(real_offset);
 
        return status ? 1 : 0;
 }
@@ -334,11 +333,10 @@ static int ad74413r_gpio_get_multiple(struct gpio_chip *chip,
        if (ret)
                return ret;
 
-       for_each_set_bit_from(offset, mask, AD74413R_CHANNEL_MAX) {
+       for_each_set_bit_from(offset, mask, chip->ngpio) {
                unsigned int real_offset = st->comp_gpio_offsets[offset];
 
-               if (val & BIT(real_offset))
-                       *bits |= offset;
+               __assign_bit(offset, bits, val & BIT(real_offset));
        }
 
        return ret;
@@ -840,7 +838,7 @@ static int ad74413r_update_scan_mode(struct iio_dev *indio_dev,
 {
        struct ad74413r_state *st = iio_priv(indio_dev);
        struct spi_transfer *xfer = st->adc_samples_xfer;
-       u8 *rx_buf = &st->adc_samples_buf.rx_buf[-1 * AD74413R_FRAME_SIZE];
+       u8 *rx_buf = st->adc_samples_buf.rx_buf;
        u8 *tx_buf = st->adc_samples_tx_buf;
        unsigned int channel;
        int ret = -EINVAL;
@@ -894,9 +892,10 @@ static int ad74413r_update_scan_mode(struct iio_dev *indio_dev,
 
                spi_message_add_tail(xfer, &st->adc_samples_msg);
 
-               xfer++;
                tx_buf += AD74413R_FRAME_SIZE;
-               rx_buf += AD74413R_FRAME_SIZE;
+               if (xfer != st->adc_samples_xfer)
+                       rx_buf += AD74413R_FRAME_SIZE;
+               xfer++;
        }
 
        xfer->rx_buf = rx_buf;
index 6cdeb50..3f3c478 100644 (file)
@@ -348,7 +348,7 @@ static int admv1013_update_mixer_vgate(struct admv1013_state *st)
 
        vcm = regulator_get_voltage(st->reg);
 
-       if (vcm >= 0 && vcm < 1800000)
+       if (vcm < 1800000)
                mixer_vgate = (2389 * vcm / 1000000 + 8100) / 100;
        else if (vcm > 1800000 && vcm < 2600000)
                mixer_vgate = (2375 * vcm / 1000000 + 125) / 100;
index 17b939a..81a6d09 100644 (file)
@@ -1188,11 +1188,14 @@ int bmg160_core_probe(struct device *dev, struct regmap *regmap, int irq,
        ret = iio_device_register(indio_dev);
        if (ret < 0) {
                dev_err(dev, "unable to register iio device\n");
-               goto err_buffer_cleanup;
+               goto err_pm_cleanup;
        }
 
        return 0;
 
+err_pm_cleanup:
+       pm_runtime_dont_use_autosuspend(dev);
+       pm_runtime_disable(dev);
 err_buffer_cleanup:
        iio_triggered_buffer_cleanup(indio_dev);
 err_trigger_unregister:
index ed12932..f9b4540 100644 (file)
@@ -1403,6 +1403,7 @@ static int adis16480_probe(struct spi_device *spi)
 {
        const struct spi_device_id *id = spi_get_device_id(spi);
        const struct adis_data *adis16480_data;
+       irq_handler_t trigger_handler = NULL;
        struct iio_dev *indio_dev;
        struct adis16480 *st;
        int ret;
@@ -1474,8 +1475,12 @@ static int adis16480_probe(struct spi_device *spi)
                st->clk_freq = st->chip_info->int_clk;
        }
 
+       /* Only use our trigger handler if burst mode is supported */
+       if (adis16480_data->burst_len)
+               trigger_handler = adis16480_trigger_handler;
+
        ret = devm_adis_setup_buffer_and_trigger(&st->adis, indio_dev,
-                                                adis16480_trigger_handler);
+                                                trigger_handler);
        if (ret)
                return ret;
 
index 1dabfd6..f897244 100644 (file)
@@ -1385,7 +1385,7 @@ static int kmx61_probe(struct i2c_client *client,
        ret = iio_device_register(data->acc_indio_dev);
        if (ret < 0) {
                dev_err(&client->dev, "Failed to register acc iio device\n");
-               goto err_buffer_cleanup_mag;
+               goto err_pm_cleanup;
        }
 
        ret = iio_device_register(data->mag_indio_dev);
@@ -1398,6 +1398,9 @@ static int kmx61_probe(struct i2c_client *client,
 
 err_iio_unregister_acc:
        iio_device_unregister(data->acc_indio_dev);
+err_pm_cleanup:
+       pm_runtime_dont_use_autosuspend(&client->dev);
+       pm_runtime_disable(&client->dev);
 err_buffer_cleanup_mag:
        if (client->irq > 0)
                iio_triggered_buffer_cleanup(data->mag_indio_dev);
index 727b4b6..93f0c6b 100644 (file)
@@ -1374,8 +1374,12 @@ static int st_lsm6dsx_read_oneshot(struct st_lsm6dsx_sensor *sensor,
        if (err < 0)
                return err;
 
+       /*
+        * we need to wait for sensor settling time before
+        * reading data in order to avoid corrupted samples
+        */
        delay = 1000000000 / sensor->odr;
-       usleep_range(delay, 2 * delay);
+       usleep_range(3 * delay, 4 * delay);
 
        err = st_lsm6dsx_read_locked(hw, addr, &data, sizeof(data));
        if (err < 0)
index f96f531..3d4d21f 100644 (file)
@@ -962,13 +962,14 @@ int bmc150_magn_probe(struct device *dev, struct regmap *regmap,
        ret = iio_device_register(indio_dev);
        if (ret < 0) {
                dev_err(dev, "unable to register iio device\n");
-               goto err_disable_runtime_pm;
+               goto err_pm_cleanup;
        }
 
        dev_dbg(dev, "Registered device %s\n", name);
        return 0;
 
-err_disable_runtime_pm:
+err_pm_cleanup:
+       pm_runtime_dont_use_autosuspend(dev);
        pm_runtime_disable(dev);
 err_buffer_cleanup:
        iio_triggered_buffer_cleanup(indio_dev);
index c447526..50c5340 100644 (file)
@@ -3370,22 +3370,30 @@ err:
 static int cma_bind_addr(struct rdma_cm_id *id, struct sockaddr *src_addr,
                         const struct sockaddr *dst_addr)
 {
-       if (!src_addr || !src_addr->sa_family) {
-               src_addr = (struct sockaddr *) &id->route.addr.src_addr;
-               src_addr->sa_family = dst_addr->sa_family;
-               if (IS_ENABLED(CONFIG_IPV6) &&
-                   dst_addr->sa_family == AF_INET6) {
-                       struct sockaddr_in6 *src_addr6 = (struct sockaddr_in6 *) src_addr;
-                       struct sockaddr_in6 *dst_addr6 = (struct sockaddr_in6 *) dst_addr;
-                       src_addr6->sin6_scope_id = dst_addr6->sin6_scope_id;
-                       if (ipv6_addr_type(&dst_addr6->sin6_addr) & IPV6_ADDR_LINKLOCAL)
-                               id->route.addr.dev_addr.bound_dev_if = dst_addr6->sin6_scope_id;
-               } else if (dst_addr->sa_family == AF_IB) {
-                       ((struct sockaddr_ib *) src_addr)->sib_pkey =
-                               ((struct sockaddr_ib *) dst_addr)->sib_pkey;
-               }
-       }
-       return rdma_bind_addr(id, src_addr);
+       struct sockaddr_storage zero_sock = {};
+
+       if (src_addr && src_addr->sa_family)
+               return rdma_bind_addr(id, src_addr);
+
+       /*
+        * When the src_addr is not specified, automatically supply an any addr
+        */
+       zero_sock.ss_family = dst_addr->sa_family;
+       if (IS_ENABLED(CONFIG_IPV6) && dst_addr->sa_family == AF_INET6) {
+               struct sockaddr_in6 *src_addr6 =
+                       (struct sockaddr_in6 *)&zero_sock;
+               struct sockaddr_in6 *dst_addr6 =
+                       (struct sockaddr_in6 *)dst_addr;
+
+               src_addr6->sin6_scope_id = dst_addr6->sin6_scope_id;
+               if (ipv6_addr_type(&dst_addr6->sin6_addr) & IPV6_ADDR_LINKLOCAL)
+                       id->route.addr.dev_addr.bound_dev_if =
+                               dst_addr6->sin6_scope_id;
+       } else if (dst_addr->sa_family == AF_IB) {
+               ((struct sockaddr_ib *)&zero_sock)->sib_pkey =
+                       ((struct sockaddr_ib *)dst_addr)->sib_pkey;
+       }
+       return rdma_bind_addr(id, (struct sockaddr *)&zero_sock);
 }
 
 /*
index 0a3b281..41c2729 100644 (file)
@@ -541,7 +541,7 @@ static struct attribute *port_diagc_attributes[] = {
 };
 
 static const struct attribute_group port_diagc_group = {
-       .name = "linkcontrol",
+       .name = "diag_counters",
        .attrs = port_diagc_attributes,
 };
 
index 7c3f98e..759b85f 100644 (file)
@@ -2682,6 +2682,8 @@ static void rtrs_clt_dev_release(struct device *dev)
        struct rtrs_clt_sess *clt = container_of(dev, struct rtrs_clt_sess,
                                                 dev);
 
+       mutex_destroy(&clt->paths_ev_mutex);
+       mutex_destroy(&clt->paths_mutex);
        kfree(clt);
 }
 
@@ -2711,6 +2713,8 @@ static struct rtrs_clt_sess *alloc_clt(const char *sessname, size_t paths_num,
                return ERR_PTR(-ENOMEM);
        }
 
+       clt->dev.class = rtrs_clt_dev_class;
+       clt->dev.release = rtrs_clt_dev_release;
        uuid_gen(&clt->paths_uuid);
        INIT_LIST_HEAD_RCU(&clt->paths_list);
        clt->paths_num = paths_num;
@@ -2727,53 +2731,51 @@ static struct rtrs_clt_sess *alloc_clt(const char *sessname, size_t paths_num,
        init_waitqueue_head(&clt->permits_wait);
        mutex_init(&clt->paths_ev_mutex);
        mutex_init(&clt->paths_mutex);
+       device_initialize(&clt->dev);
 
-       clt->dev.class = rtrs_clt_dev_class;
-       clt->dev.release = rtrs_clt_dev_release;
        err = dev_set_name(&clt->dev, "%s", sessname);
        if (err)
-               goto err;
+               goto err_put;
+
        /*
         * Suppress user space notification until
         * sysfs files are created
         */
        dev_set_uevent_suppress(&clt->dev, true);
-       err = device_register(&clt->dev);
-       if (err) {
-               put_device(&clt->dev);
-               goto err;
-       }
+       err = device_add(&clt->dev);
+       if (err)
+               goto err_put;
 
        clt->kobj_paths = kobject_create_and_add("paths", &clt->dev.kobj);
        if (!clt->kobj_paths) {
                err = -ENOMEM;
-               goto err_dev;
+               goto err_del;
        }
        err = rtrs_clt_create_sysfs_root_files(clt);
        if (err) {
                kobject_del(clt->kobj_paths);
                kobject_put(clt->kobj_paths);
-               goto err_dev;
+               goto err_del;
        }
        dev_set_uevent_suppress(&clt->dev, false);
        kobject_uevent(&clt->dev.kobj, KOBJ_ADD);
 
        return clt;
-err_dev:
-       device_unregister(&clt->dev);
-err:
+err_del:
+       device_del(&clt->dev);
+err_put:
        free_percpu(clt->pcpu_path);
-       kfree(clt);
+       put_device(&clt->dev);
        return ERR_PTR(err);
 }
 
 static void free_clt(struct rtrs_clt_sess *clt)
 {
-       free_permits(clt);
        free_percpu(clt->pcpu_path);
-       mutex_destroy(&clt->paths_ev_mutex);
-       mutex_destroy(&clt->paths_mutex);
-       /* release callback will free clt in last put */
+
+       /*
+        * release callback will free clt and destroy mutexes in last put
+        */
        device_unregister(&clt->dev);
 }
 
@@ -2890,6 +2892,7 @@ void rtrs_clt_close(struct rtrs_clt_sess *clt)
                rtrs_clt_destroy_path_files(clt_path, NULL);
                kobject_put(&clt_path->kobj);
        }
+       free_permits(clt);
        free_clt(clt);
 }
 EXPORT_SYMBOL(rtrs_clt_close);
index e174e85..285b766 100644 (file)
@@ -4047,9 +4047,11 @@ static void srp_remove_one(struct ib_device *device, void *client_data)
                spin_unlock(&host->target_lock);
 
                /*
-                * Wait for tl_err and target port removal tasks.
+                * srp_queue_remove_work() queues a call to
+                * srp_remove_target(). The latter function cancels
+                * target->tl_err_work so waiting for the remove works to
+                * finish is sufficient.
                 */
-               flush_workqueue(system_long_wq);
                flush_workqueue(srp_remove_wq);
 
                kfree(host);
index 70f492d..eef87b2 100644 (file)
@@ -546,6 +546,7 @@ static int mtd_nvmem_add(struct mtd_info *mtd)
        config.stride = 1;
        config.read_only = true;
        config.root_only = true;
+       config.ignore_wp = true;
        config.no_of_node = !of_device_is_compatible(node, "nvmem-cells");
        config.priv = mtd;
 
@@ -833,6 +834,7 @@ static struct nvmem_device *mtd_otp_nvmem_register(struct mtd_info *mtd,
        config.owner = THIS_MODULE;
        config.type = NVMEM_TYPE_OTP;
        config.root_only = true;
+       config.ignore_wp = true;
        config.reg_read = reg_read;
        config.size = size;
        config.of_node = np;
index 55dbda0..243f8ad 100644 (file)
@@ -26,7 +26,7 @@ void ksz_update_port_member(struct ksz_device *dev, int port)
        struct dsa_switch *ds = dev->ds;
        u8 port_member = 0, cpu_port;
        const struct dsa_port *dp;
-       int i;
+       int i, j;
 
        if (!dsa_is_user_port(ds, port))
                return;
@@ -45,13 +45,33 @@ void ksz_update_port_member(struct ksz_device *dev, int port)
                        continue;
                if (!dsa_port_bridge_same(dp, other_dp))
                        continue;
+               if (other_p->stp_state != BR_STATE_FORWARDING)
+                       continue;
 
-               if (other_p->stp_state == BR_STATE_FORWARDING &&
-                   p->stp_state == BR_STATE_FORWARDING) {
+               if (p->stp_state == BR_STATE_FORWARDING) {
                        val |= BIT(port);
                        port_member |= BIT(i);
                }
 
+               /* Retain port [i]'s relationship to other ports than [port] */
+               for (j = 0; j < ds->num_ports; j++) {
+                       const struct dsa_port *third_dp;
+                       struct ksz_port *third_p;
+
+                       if (j == i)
+                               continue;
+                       if (j == port)
+                               continue;
+                       if (!dsa_is_user_port(ds, j))
+                               continue;
+                       third_p = &dev->ports[j];
+                       if (third_p->stp_state != BR_STATE_FORWARDING)
+                               continue;
+                       third_dp = dsa_to_port(ds, j);
+                       if (dsa_port_bridge_same(other_dp, third_dp))
+                               val |= BIT(j);
+               }
+
                dev->dev_ops->cfg_port_member(dev, i, val | cpu_port);
        }
 
index 774c1f1..eedb48d 100644 (file)
@@ -100,6 +100,9 @@ MODULE_LICENSE("GPL");
 MODULE_FIRMWARE(FW_FILE_NAME_E1);
 MODULE_FIRMWARE(FW_FILE_NAME_E1H);
 MODULE_FIRMWARE(FW_FILE_NAME_E2);
+MODULE_FIRMWARE(FW_FILE_NAME_E1_V15);
+MODULE_FIRMWARE(FW_FILE_NAME_E1H_V15);
+MODULE_FIRMWARE(FW_FILE_NAME_E2_V15);
 
 int bnx2x_num_queues;
 module_param_named(num_queues, bnx2x_num_queues, int, 0444);
index 4f94136..b1c98d1 100644 (file)
@@ -4747,8 +4747,10 @@ static int bnxt_hwrm_cfa_l2_set_rx_mask(struct bnxt *bp, u16 vnic_id)
                return rc;
 
        req->vnic_id = cpu_to_le32(vnic->fw_vnic_id);
-       req->num_mc_entries = cpu_to_le32(vnic->mc_list_count);
-       req->mc_tbl_addr = cpu_to_le64(vnic->mc_list_mapping);
+       if (vnic->rx_mask & CFA_L2_SET_RX_MASK_REQ_MASK_MCAST) {
+               req->num_mc_entries = cpu_to_le32(vnic->mc_list_count);
+               req->mc_tbl_addr = cpu_to_le64(vnic->mc_list_mapping);
+       }
        req->mask = cpu_to_le32(vnic->rx_mask);
        return hwrm_req_send_silent(bp, req);
 }
@@ -7787,6 +7789,19 @@ static int bnxt_map_fw_health_regs(struct bnxt *bp)
        return 0;
 }
 
+static void bnxt_remap_fw_health_regs(struct bnxt *bp)
+{
+       if (!bp->fw_health)
+               return;
+
+       if (bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) {
+               bp->fw_health->status_reliable = true;
+               bp->fw_health->resets_reliable = true;
+       } else {
+               bnxt_try_map_fw_health_reg(bp);
+       }
+}
+
 static int bnxt_hwrm_error_recovery_qcfg(struct bnxt *bp)
 {
        struct bnxt_fw_health *fw_health = bp->fw_health;
@@ -8639,6 +8654,9 @@ static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init)
        vnic->uc_filter_count = 1;
 
        vnic->rx_mask = 0;
+       if (test_bit(BNXT_STATE_HALF_OPEN, &bp->state))
+               goto skip_rx_mask;
+
        if (bp->dev->flags & IFF_BROADCAST)
                vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
 
@@ -8648,7 +8666,7 @@ static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init)
        if (bp->dev->flags & IFF_ALLMULTI) {
                vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
                vnic->mc_list_count = 0;
-       } else {
+       } else if (bp->dev->flags & IFF_MULTICAST) {
                u32 mask = 0;
 
                bnxt_mc_list_updated(bp, &mask);
@@ -8659,6 +8677,7 @@ static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init)
        if (rc)
                goto err_out;
 
+skip_rx_mask:
        rc = bnxt_hwrm_set_coal(bp);
        if (rc)
                netdev_warn(bp->dev, "HWRM set coalescing failure rc: %x\n",
@@ -9850,8 +9869,8 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
                resc_reinit = true;
        if (flags & FUNC_DRV_IF_CHANGE_RESP_FLAGS_HOT_FW_RESET_DONE)
                fw_reset = true;
-       else if (bp->fw_health && !bp->fw_health->status_reliable)
-               bnxt_try_map_fw_health_reg(bp);
+       else
+               bnxt_remap_fw_health_regs(bp);
 
        if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state) && !fw_reset) {
                netdev_err(bp->dev, "RESET_DONE not set during FW reset.\n");
@@ -10330,13 +10349,15 @@ int bnxt_half_open_nic(struct bnxt *bp)
                goto half_open_err;
        }
 
-       rc = bnxt_alloc_mem(bp, false);
+       rc = bnxt_alloc_mem(bp, true);
        if (rc) {
                netdev_err(bp->dev, "bnxt_alloc_mem err: %x\n", rc);
                goto half_open_err;
        }
-       rc = bnxt_init_nic(bp, false);
+       set_bit(BNXT_STATE_HALF_OPEN, &bp->state);
+       rc = bnxt_init_nic(bp, true);
        if (rc) {
+               clear_bit(BNXT_STATE_HALF_OPEN, &bp->state);
                netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc);
                goto half_open_err;
        }
@@ -10344,7 +10365,7 @@ int bnxt_half_open_nic(struct bnxt *bp)
 
 half_open_err:
        bnxt_free_skbs(bp);
-       bnxt_free_mem(bp, false);
+       bnxt_free_mem(bp, true);
        dev_close(bp->dev);
        return rc;
 }
@@ -10354,9 +10375,10 @@ half_open_err:
  */
 void bnxt_half_close_nic(struct bnxt *bp)
 {
-       bnxt_hwrm_resource_free(bp, false, false);
+       bnxt_hwrm_resource_free(bp, false, true);
        bnxt_free_skbs(bp);
-       bnxt_free_mem(bp, false);
+       bnxt_free_mem(bp, true);
+       clear_bit(BNXT_STATE_HALF_OPEN, &bp->state);
 }
 
 void bnxt_reenable_sriov(struct bnxt *bp)
@@ -10772,7 +10794,7 @@ static void bnxt_set_rx_mode(struct net_device *dev)
        if (dev->flags & IFF_ALLMULTI) {
                mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
                vnic->mc_list_count = 0;
-       } else {
+       } else if (dev->flags & IFF_MULTICAST) {
                mc_update = bnxt_mc_list_updated(bp, &mask);
        }
 
@@ -10849,9 +10871,10 @@ skip_uc:
            !bnxt_promisc_ok(bp))
                vnic->rx_mask &= ~CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
        rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0);
-       if (rc && vnic->mc_list_count) {
+       if (rc && (vnic->rx_mask & CFA_L2_SET_RX_MASK_REQ_MASK_MCAST)) {
                netdev_info(bp->dev, "Failed setting MC filters rc: %d, turning on ALL_MCAST mode\n",
                            rc);
+               vnic->rx_mask &= ~CFA_L2_SET_RX_MASK_REQ_MASK_MCAST;
                vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
                vnic->mc_list_count = 0;
                rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0);
index 440dfeb..666fc1e 100644 (file)
@@ -1921,6 +1921,7 @@ struct bnxt {
 #define BNXT_STATE_RECOVER             12
 #define BNXT_STATE_FW_NON_FATAL_COND   13
 #define BNXT_STATE_FW_ACTIVATE_RESET   14
+#define BNXT_STATE_HALF_OPEN           15      /* For offline ethtool tests */
 
 #define BNXT_NO_FW_ACCESS(bp)                                  \
        (test_bit(BNXT_STATE_FW_FATAL_COND, &(bp)->state) ||    \
index 4da31b1..f6e21fa 100644 (file)
@@ -367,6 +367,16 @@ bnxt_dl_livepatch_report_err(struct bnxt *bp, struct netlink_ext_ack *extack,
        }
 }
 
+/* Live patch status in NVM */
+#define BNXT_LIVEPATCH_NOT_INSTALLED   0
+#define BNXT_LIVEPATCH_INSTALLED       FW_LIVEPATCH_QUERY_RESP_STATUS_FLAGS_INSTALL
+#define BNXT_LIVEPATCH_REMOVED         FW_LIVEPATCH_QUERY_RESP_STATUS_FLAGS_ACTIVE
+#define BNXT_LIVEPATCH_MASK            (FW_LIVEPATCH_QUERY_RESP_STATUS_FLAGS_INSTALL | \
+                                        FW_LIVEPATCH_QUERY_RESP_STATUS_FLAGS_ACTIVE)
+#define BNXT_LIVEPATCH_ACTIVATED       BNXT_LIVEPATCH_MASK
+
+#define BNXT_LIVEPATCH_STATE(flags)    ((flags) & BNXT_LIVEPATCH_MASK)
+
 static int
 bnxt_dl_livepatch_activate(struct bnxt *bp, struct netlink_ext_ack *extack)
 {
@@ -374,8 +384,9 @@ bnxt_dl_livepatch_activate(struct bnxt *bp, struct netlink_ext_ack *extack)
        struct hwrm_fw_livepatch_query_input *query_req;
        struct hwrm_fw_livepatch_output *patch_resp;
        struct hwrm_fw_livepatch_input *patch_req;
+       u16 flags, live_patch_state;
+       bool activated = false;
        u32 installed = 0;
-       u16 flags;
        u8 target;
        int rc;
 
@@ -394,7 +405,6 @@ bnxt_dl_livepatch_activate(struct bnxt *bp, struct netlink_ext_ack *extack)
                hwrm_req_drop(bp, query_req);
                return rc;
        }
-       patch_req->opcode = FW_LIVEPATCH_REQ_OPCODE_ACTIVATE;
        patch_req->loadtype = FW_LIVEPATCH_REQ_LOADTYPE_NVM_INSTALL;
        patch_resp = hwrm_req_hold(bp, patch_req);
 
@@ -407,12 +417,20 @@ bnxt_dl_livepatch_activate(struct bnxt *bp, struct netlink_ext_ack *extack)
                }
 
                flags = le16_to_cpu(query_resp->status_flags);
-               if (~flags & FW_LIVEPATCH_QUERY_RESP_STATUS_FLAGS_INSTALL)
+               live_patch_state = BNXT_LIVEPATCH_STATE(flags);
+
+               if (live_patch_state == BNXT_LIVEPATCH_NOT_INSTALLED)
                        continue;
-               if ((flags & FW_LIVEPATCH_QUERY_RESP_STATUS_FLAGS_ACTIVE) &&
-                   !strncmp(query_resp->active_ver, query_resp->install_ver,
-                            sizeof(query_resp->active_ver)))
+
+               if (live_patch_state == BNXT_LIVEPATCH_ACTIVATED) {
+                       activated = true;
                        continue;
+               }
+
+               if (live_patch_state == BNXT_LIVEPATCH_INSTALLED)
+                       patch_req->opcode = FW_LIVEPATCH_REQ_OPCODE_ACTIVATE;
+               else if (live_patch_state == BNXT_LIVEPATCH_REMOVED)
+                       patch_req->opcode = FW_LIVEPATCH_REQ_OPCODE_DEACTIVATE;
 
                patch_req->fw_target = target;
                rc = hwrm_req_send(bp, patch_req);
@@ -424,8 +442,13 @@ bnxt_dl_livepatch_activate(struct bnxt *bp, struct netlink_ext_ack *extack)
        }
 
        if (!rc && !installed) {
-               NL_SET_ERR_MSG_MOD(extack, "No live patches found");
-               rc = -ENOENT;
+               if (activated) {
+                       NL_SET_ERR_MSG_MOD(extack, "Live patch already activated");
+                       rc = -EEXIST;
+               } else {
+                       NL_SET_ERR_MSG_MOD(extack, "No live patches found");
+                       rc = -ENOENT;
+               }
        }
        hwrm_req_drop(bp, query_req);
        hwrm_req_drop(bp, patch_req);
index 003330e..8aaa233 100644 (file)
@@ -25,6 +25,7 @@
 #include "bnxt_hsi.h"
 #include "bnxt.h"
 #include "bnxt_hwrm.h"
+#include "bnxt_ulp.h"
 #include "bnxt_xdp.h"
 #include "bnxt_ptp.h"
 #include "bnxt_ethtool.h"
@@ -1969,6 +1970,9 @@ static int bnxt_get_fecparam(struct net_device *dev,
        case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_IEEE_ACTIVE:
                fec->active_fec |= ETHTOOL_FEC_LLRS;
                break;
+       case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_NONE_ACTIVE:
+               fec->active_fec |= ETHTOOL_FEC_OFF;
+               break;
        }
        return 0;
 }
@@ -3454,7 +3458,7 @@ static int bnxt_run_loopback(struct bnxt *bp)
        if (!skb)
                return -ENOMEM;
        data = skb_put(skb, pkt_size);
-       eth_broadcast_addr(data);
+       ether_addr_copy(&data[i], bp->dev->dev_addr);
        i += ETH_ALEN;
        ether_addr_copy(&data[i], bp->dev->dev_addr);
        i += ETH_ALEN;
@@ -3548,9 +3552,12 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
        if (!offline) {
                bnxt_run_fw_tests(bp, test_mask, &test_results);
        } else {
-               rc = bnxt_close_nic(bp, false, false);
-               if (rc)
+               bnxt_ulp_stop(bp);
+               rc = bnxt_close_nic(bp, true, false);
+               if (rc) {
+                       bnxt_ulp_start(bp, rc);
                        return;
+               }
                bnxt_run_fw_tests(bp, test_mask, &test_results);
 
                buf[BNXT_MACLPBK_TEST_IDX] = 1;
@@ -3560,6 +3567,7 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
                if (rc) {
                        bnxt_hwrm_mac_loopback(bp, false);
                        etest->flags |= ETH_TEST_FL_FAILED;
+                       bnxt_ulp_start(bp, rc);
                        return;
                }
                if (bnxt_run_loopback(bp))
@@ -3585,7 +3593,8 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
                }
                bnxt_hwrm_phy_loopback(bp, false, false);
                bnxt_half_close_nic(bp);
-               rc = bnxt_open_nic(bp, false, true);
+               rc = bnxt_open_nic(bp, true, true);
+               bnxt_ulp_start(bp, rc);
        }
        if (rc || bnxt_test_irq(bp)) {
                buf[BNXT_IRQ_TEST_IDX] = 1;
index 566c948..b01d429 100644 (file)
@@ -644,17 +644,23 @@ static int __hwrm_send(struct bnxt *bp, struct bnxt_hwrm_ctx *ctx)
 
                /* Last byte of resp contains valid bit */
                valid = ((u8 *)ctx->resp) + len - 1;
-               for (j = 0; j < HWRM_VALID_BIT_DELAY_USEC; j++) {
+               for (j = 0; j < HWRM_VALID_BIT_DELAY_USEC; ) {
                        /* make sure we read from updated DMA memory */
                        dma_rmb();
                        if (*valid)
                                break;
-                       usleep_range(1, 5);
+                       if (j < 10) {
+                               udelay(1);
+                               j++;
+                       } else {
+                               usleep_range(20, 30);
+                               j += 20;
+                       }
                }
 
                if (j >= HWRM_VALID_BIT_DELAY_USEC) {
                        hwrm_err(bp, ctx, "Error (timeout: %u) msg {0x%x 0x%x} len:%d v:%d\n",
-                                hwrm_total_timeout(i), req_type,
+                                hwrm_total_timeout(i) + j, req_type,
                                 le16_to_cpu(ctx->req->seq_id), len, *valid);
                        goto exit;
                }
index d52bd2d..c98032e 100644 (file)
@@ -90,7 +90,7 @@ static inline unsigned int hwrm_total_timeout(unsigned int n)
 }
 
 
-#define HWRM_VALID_BIT_DELAY_USEC      150
+#define HWRM_VALID_BIT_DELAY_USEC      50000
 
 static inline bool bnxt_cfa_hwrm_message(u16 req_type)
 {
index 691605c..d5356db 100644 (file)
@@ -989,117 +989,6 @@ static int ftgmac100_alloc_rx_buffers(struct ftgmac100 *priv)
        return 0;
 }
 
-static void ftgmac100_adjust_link(struct net_device *netdev)
-{
-       struct ftgmac100 *priv = netdev_priv(netdev);
-       struct phy_device *phydev = netdev->phydev;
-       bool tx_pause, rx_pause;
-       int new_speed;
-
-       /* We store "no link" as speed 0 */
-       if (!phydev->link)
-               new_speed = 0;
-       else
-               new_speed = phydev->speed;
-
-       /* Grab pause settings from PHY if configured to do so */
-       if (priv->aneg_pause) {
-               rx_pause = tx_pause = phydev->pause;
-               if (phydev->asym_pause)
-                       tx_pause = !rx_pause;
-       } else {
-               rx_pause = priv->rx_pause;
-               tx_pause = priv->tx_pause;
-       }
-
-       /* Link hasn't changed, do nothing */
-       if (phydev->speed == priv->cur_speed &&
-           phydev->duplex == priv->cur_duplex &&
-           rx_pause == priv->rx_pause &&
-           tx_pause == priv->tx_pause)
-               return;
-
-       /* Print status if we have a link or we had one and just lost it,
-        * don't print otherwise.
-        */
-       if (new_speed || priv->cur_speed)
-               phy_print_status(phydev);
-
-       priv->cur_speed = new_speed;
-       priv->cur_duplex = phydev->duplex;
-       priv->rx_pause = rx_pause;
-       priv->tx_pause = tx_pause;
-
-       /* Link is down, do nothing else */
-       if (!new_speed)
-               return;
-
-       /* Disable all interrupts */
-       iowrite32(0, priv->base + FTGMAC100_OFFSET_IER);
-
-       /* Reset the adapter asynchronously */
-       schedule_work(&priv->reset_task);
-}
-
-static int ftgmac100_mii_probe(struct net_device *netdev)
-{
-       struct ftgmac100 *priv = netdev_priv(netdev);
-       struct platform_device *pdev = to_platform_device(priv->dev);
-       struct device_node *np = pdev->dev.of_node;
-       struct phy_device *phydev;
-       phy_interface_t phy_intf;
-       int err;
-
-       /* Default to RGMII. It's a gigabit part after all */
-       err = of_get_phy_mode(np, &phy_intf);
-       if (err)
-               phy_intf = PHY_INTERFACE_MODE_RGMII;
-
-       /* Aspeed only supports these. I don't know about other IP
-        * block vendors so I'm going to just let them through for
-        * now. Note that this is only a warning if for some obscure
-        * reason the DT really means to lie about it or it's a newer
-        * part we don't know about.
-        *
-        * On the Aspeed SoC there are additionally straps and SCU
-        * control bits that could tell us what the interface is
-        * (or allow us to configure it while the IP block is held
-        * in reset). For now I chose to keep this driver away from
-        * those SoC specific bits and assume the device-tree is
-        * right and the SCU has been configured properly by pinmux
-        * or the firmware.
-        */
-       if (priv->is_aspeed && !(phy_interface_mode_is_rgmii(phy_intf))) {
-               netdev_warn(netdev,
-                           "Unsupported PHY mode %s !\n",
-                           phy_modes(phy_intf));
-       }
-
-       phydev = phy_find_first(priv->mii_bus);
-       if (!phydev) {
-               netdev_info(netdev, "%s: no PHY found\n", netdev->name);
-               return -ENODEV;
-       }
-
-       phydev = phy_connect(netdev, phydev_name(phydev),
-                            &ftgmac100_adjust_link, phy_intf);
-
-       if (IS_ERR(phydev)) {
-               netdev_err(netdev, "%s: Could not attach to PHY\n", netdev->name);
-               return PTR_ERR(phydev);
-       }
-
-       /* Indicate that we support PAUSE frames (see comment in
-        * Documentation/networking/phy.rst)
-        */
-       phy_support_asym_pause(phydev);
-
-       /* Display what we found */
-       phy_attached_info(phydev);
-
-       return 0;
-}
-
 static int ftgmac100_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
 {
        struct net_device *netdev = bus->priv;
@@ -1410,10 +1299,8 @@ static int ftgmac100_init_all(struct ftgmac100 *priv, bool ignore_alloc_err)
        return err;
 }
 
-static void ftgmac100_reset_task(struct work_struct *work)
+static void ftgmac100_reset(struct ftgmac100 *priv)
 {
-       struct ftgmac100 *priv = container_of(work, struct ftgmac100,
-                                             reset_task);
        struct net_device *netdev = priv->netdev;
        int err;
 
@@ -1459,6 +1346,134 @@ static void ftgmac100_reset_task(struct work_struct *work)
        rtnl_unlock();
 }
 
+static void ftgmac100_reset_task(struct work_struct *work)
+{
+       struct ftgmac100 *priv = container_of(work, struct ftgmac100,
+                                             reset_task);
+
+       ftgmac100_reset(priv);
+}
+
+static void ftgmac100_adjust_link(struct net_device *netdev)
+{
+       struct ftgmac100 *priv = netdev_priv(netdev);
+       struct phy_device *phydev = netdev->phydev;
+       bool tx_pause, rx_pause;
+       int new_speed;
+
+       /* We store "no link" as speed 0 */
+       if (!phydev->link)
+               new_speed = 0;
+       else
+               new_speed = phydev->speed;
+
+       /* Grab pause settings from PHY if configured to do so */
+       if (priv->aneg_pause) {
+               rx_pause = tx_pause = phydev->pause;
+               if (phydev->asym_pause)
+                       tx_pause = !rx_pause;
+       } else {
+               rx_pause = priv->rx_pause;
+               tx_pause = priv->tx_pause;
+       }
+
+       /* Link hasn't changed, do nothing */
+       if (phydev->speed == priv->cur_speed &&
+           phydev->duplex == priv->cur_duplex &&
+           rx_pause == priv->rx_pause &&
+           tx_pause == priv->tx_pause)
+               return;
+
+       /* Print status if we have a link or we had one and just lost it,
+        * don't print otherwise.
+        */
+       if (new_speed || priv->cur_speed)
+               phy_print_status(phydev);
+
+       priv->cur_speed = new_speed;
+       priv->cur_duplex = phydev->duplex;
+       priv->rx_pause = rx_pause;
+       priv->tx_pause = tx_pause;
+
+       /* Link is down, do nothing else */
+       if (!new_speed)
+               return;
+
+       /* Disable all interrupts */
+       iowrite32(0, priv->base + FTGMAC100_OFFSET_IER);
+
+       /* Release phy lock to allow ftgmac100_reset to aquire it, keeping lock
+        * order consistent to prevent dead lock.
+        */
+       if (netdev->phydev)
+               mutex_unlock(&netdev->phydev->lock);
+
+       ftgmac100_reset(priv);
+
+       if (netdev->phydev)
+               mutex_lock(&netdev->phydev->lock);
+
+}
+
+static int ftgmac100_mii_probe(struct net_device *netdev)
+{
+       struct ftgmac100 *priv = netdev_priv(netdev);
+       struct platform_device *pdev = to_platform_device(priv->dev);
+       struct device_node *np = pdev->dev.of_node;
+       struct phy_device *phydev;
+       phy_interface_t phy_intf;
+       int err;
+
+       /* Default to RGMII. It's a gigabit part after all */
+       err = of_get_phy_mode(np, &phy_intf);
+       if (err)
+               phy_intf = PHY_INTERFACE_MODE_RGMII;
+
+       /* Aspeed only supports these. I don't know about other IP
+        * block vendors so I'm going to just let them through for
+        * now. Note that this is only a warning if for some obscure
+        * reason the DT really means to lie about it or it's a newer
+        * part we don't know about.
+        *
+        * On the Aspeed SoC there are additionally straps and SCU
+        * control bits that could tell us what the interface is
+        * (or allow us to configure it while the IP block is held
+        * in reset). For now I chose to keep this driver away from
+        * those SoC specific bits and assume the device-tree is
+        * right and the SCU has been configured properly by pinmux
+        * or the firmware.
+        */
+       if (priv->is_aspeed && !(phy_interface_mode_is_rgmii(phy_intf))) {
+               netdev_warn(netdev,
+                           "Unsupported PHY mode %s !\n",
+                           phy_modes(phy_intf));
+       }
+
+       phydev = phy_find_first(priv->mii_bus);
+       if (!phydev) {
+               netdev_info(netdev, "%s: no PHY found\n", netdev->name);
+               return -ENODEV;
+       }
+
+       phydev = phy_connect(netdev, phydev_name(phydev),
+                            &ftgmac100_adjust_link, phy_intf);
+
+       if (IS_ERR(phydev)) {
+               netdev_err(netdev, "%s: Could not attach to PHY\n", netdev->name);
+               return PTR_ERR(phydev);
+       }
+
+       /* Indicate that we support PAUSE frames (see comment in
+        * Documentation/networking/phy.rst)
+        */
+       phy_support_asym_pause(phydev);
+
+       /* Display what we found */
+       phy_attached_info(phydev);
+
+       return 0;
+}
+
 static int ftgmac100_open(struct net_device *netdev)
 {
        struct ftgmac100 *priv = netdev_priv(netdev);
index 29617a8..dee05a3 100644 (file)
@@ -5917,10 +5917,14 @@ static ssize_t failover_store(struct device *dev, struct device_attribute *attr,
                   be64_to_cpu(session_token));
        rc = plpar_hcall_norets(H_VIOCTL, adapter->vdev->unit_address,
                                H_SESSION_ERR_DETECTED, session_token, 0, 0);
-       if (rc)
+       if (rc) {
                netdev_err(netdev,
                           "H_VIOCTL initiated failover failed, rc %ld\n",
                           rc);
+               goto last_resort;
+       }
+
+       return count;
 
 last_resort:
        netdev_dbg(netdev, "Trying to send CRQ_CMD, the last resort\n");
index 0c4b7df..31b03fe 100644 (file)
@@ -5372,15 +5372,7 @@ static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, u8 enabled_tc,
        /* There is no need to reset BW when mqprio mode is on.  */
        if (pf->flags & I40E_FLAG_TC_MQPRIO)
                return 0;
-
-       if (!vsi->mqprio_qopt.qopt.hw) {
-               if (pf->flags & I40E_FLAG_DCB_ENABLED)
-                       goto skip_reset;
-
-               if (IS_ENABLED(CONFIG_I40E_DCB) &&
-                   i40e_dcb_hw_get_num_tc(&pf->hw) == 1)
-                       goto skip_reset;
-
+       if (!vsi->mqprio_qopt.qopt.hw && !(pf->flags & I40E_FLAG_DCB_ENABLED)) {
                ret = i40e_set_bw_limit(vsi, vsi->seid, 0);
                if (ret)
                        dev_info(&pf->pdev->dev,
@@ -5388,8 +5380,6 @@ static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, u8 enabled_tc,
                                 vsi->seid);
                return ret;
        }
-
-skip_reset:
        memset(&bw_data, 0, sizeof(bw_data));
        bw_data.tc_valid_bits = enabled_tc;
        for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++)
index a9fa701..473b1f6 100644 (file)
@@ -280,7 +280,6 @@ enum ice_pf_state {
        ICE_VFLR_EVENT_PENDING,
        ICE_FLTR_OVERFLOW_PROMISC,
        ICE_VF_DIS,
-       ICE_VF_DEINIT_IN_PROGRESS,
        ICE_CFG_BUSY,
        ICE_SERVICE_SCHED,
        ICE_SERVICE_DIS,
index a6d7d3e..e2af99a 100644 (file)
@@ -3340,7 +3340,7 @@ ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
 
        if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(hw) &&
            !ice_fw_supports_report_dflt_cfg(hw)) {
-               struct ice_link_default_override_tlv tlv;
+               struct ice_link_default_override_tlv tlv = { 0 };
 
                status = ice_get_link_default_override(&tlv, pi);
                if (status)
index 864692b..73edc24 100644 (file)
@@ -44,6 +44,7 @@ ice_eswitch_add_vf_mac_rule(struct ice_pf *pf, struct ice_vf *vf, const u8 *mac)
                                       ctrl_vsi->rxq_map[vf->vf_id];
        rule_info.flags_info.act |= ICE_SINGLE_ACT_LB_ENABLE;
        rule_info.flags_info.act_valid = true;
+       rule_info.tun_type = ICE_SW_TUN_AND_NON_TUN;
 
        err = ice_add_adv_rule(hw, list, lkups_cnt, &rule_info,
                               vf->repr->mac_rule);
index 17a9bb4..f3c346e 100644 (file)
@@ -1799,7 +1799,9 @@ static void ice_handle_mdd_event(struct ice_pf *pf)
                                 * reset, so print the event prior to reset.
                                 */
                                ice_print_vf_rx_mdd_event(vf);
+                               mutex_lock(&pf->vf[i].cfg_lock);
                                ice_reset_vf(&pf->vf[i], false);
+                               mutex_unlock(&pf->vf[i].cfg_lock);
                        }
                }
        }
index dc1b0e9..695b6dd 100644 (file)
@@ -47,6 +47,7 @@ enum ice_protocol_type {
 
 enum ice_sw_tunnel_type {
        ICE_NON_TUN = 0,
+       ICE_SW_TUN_AND_NON_TUN,
        ICE_SW_TUN_VXLAN,
        ICE_SW_TUN_GENEVE,
        ICE_SW_TUN_NVGRE,
index ae291d4..000c39d 100644 (file)
@@ -1533,9 +1533,12 @@ exit:
 static int ice_ptp_adjtime_nonatomic(struct ptp_clock_info *info, s64 delta)
 {
        struct timespec64 now, then;
+       int ret;
 
        then = ns_to_timespec64(delta);
-       ice_ptp_gettimex64(info, &now, NULL);
+       ret = ice_ptp_gettimex64(info, &now, NULL);
+       if (ret)
+               return ret;
        now = timespec64_add(now, then);
 
        return ice_ptp_settime64(info, (const struct timespec64 *)&now);
index 11ae0be..475ec2a 100644 (file)
@@ -4537,6 +4537,7 @@ ice_get_compat_fv_bitmap(struct ice_hw *hw, struct ice_adv_rule_info *rinfo,
        case ICE_SW_TUN_NVGRE:
                prof_type = ICE_PROF_TUN_GRE;
                break;
+       case ICE_SW_TUN_AND_NON_TUN:
        default:
                prof_type = ICE_PROF_ALL;
                break;
@@ -5305,7 +5306,8 @@ ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
        if (status)
                goto err_ice_add_adv_rule;
 
-       if (rinfo->tun_type != ICE_NON_TUN) {
+       if (rinfo->tun_type != ICE_NON_TUN &&
+           rinfo->tun_type != ICE_SW_TUN_AND_NON_TUN) {
                status = ice_fill_adv_packet_tun(hw, rinfo->tun_type,
                                                 s_rule->pdata.lkup_tx_rx.hdr,
                                                 pkt_offsets);
index e8aab66..65cf32e 100644 (file)
@@ -709,7 +709,7 @@ ice_tc_set_port(struct flow_match_ports match,
                        fltr->flags |= ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT;
                else
                        fltr->flags |= ICE_TC_FLWR_FIELD_DEST_L4_PORT;
-               fltr->flags |= ICE_TC_FLWR_FIELD_DEST_L4_PORT;
+
                headers->l4_key.dst_port = match.key->dst;
                headers->l4_mask.dst_port = match.mask->dst;
        }
@@ -718,7 +718,7 @@ ice_tc_set_port(struct flow_match_ports match,
                        fltr->flags |= ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT;
                else
                        fltr->flags |= ICE_TC_FLWR_FIELD_SRC_L4_PORT;
-               fltr->flags |= ICE_TC_FLWR_FIELD_SRC_L4_PORT;
+
                headers->l4_key.src_port = match.key->src;
                headers->l4_mask.src_port = match.mask->src;
        }
index 39b8012..408f78e 100644 (file)
@@ -500,8 +500,6 @@ void ice_free_vfs(struct ice_pf *pf)
        struct ice_hw *hw = &pf->hw;
        unsigned int tmp, i;
 
-       set_bit(ICE_VF_DEINIT_IN_PROGRESS, pf->state);
-
        if (!pf->vf)
                return;
 
@@ -519,22 +517,26 @@ void ice_free_vfs(struct ice_pf *pf)
        else
                dev_warn(dev, "VFs are assigned - not disabling SR-IOV\n");
 
-       /* Avoid wait time by stopping all VFs at the same time */
-       ice_for_each_vf(pf, i)
-               ice_dis_vf_qs(&pf->vf[i]);
-
        tmp = pf->num_alloc_vfs;
        pf->num_qps_per_vf = 0;
        pf->num_alloc_vfs = 0;
        for (i = 0; i < tmp; i++) {
-               if (test_bit(ICE_VF_STATE_INIT, pf->vf[i].vf_states)) {
+               struct ice_vf *vf = &pf->vf[i];
+
+               mutex_lock(&vf->cfg_lock);
+
+               ice_dis_vf_qs(vf);
+
+               if (test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
                        /* disable VF qp mappings and set VF disable state */
-                       ice_dis_vf_mappings(&pf->vf[i]);
-                       set_bit(ICE_VF_STATE_DIS, pf->vf[i].vf_states);
-                       ice_free_vf_res(&pf->vf[i]);
+                       ice_dis_vf_mappings(vf);
+                       set_bit(ICE_VF_STATE_DIS, vf->vf_states);
+                       ice_free_vf_res(vf);
                }
 
-               mutex_destroy(&pf->vf[i].cfg_lock);
+               mutex_unlock(&vf->cfg_lock);
+
+               mutex_destroy(&vf->cfg_lock);
        }
 
        if (ice_sriov_free_msix_res(pf))
@@ -570,7 +572,6 @@ void ice_free_vfs(struct ice_pf *pf)
                                i);
 
        clear_bit(ICE_VF_DIS, pf->state);
-       clear_bit(ICE_VF_DEINIT_IN_PROGRESS, pf->state);
        clear_bit(ICE_FLAG_SRIOV_ENA, pf->flags);
 }
 
@@ -1498,6 +1499,8 @@ bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr)
        ice_for_each_vf(pf, v) {
                vf = &pf->vf[v];
 
+               mutex_lock(&vf->cfg_lock);
+
                vf->driver_caps = 0;
                ice_vc_set_default_allowlist(vf);
 
@@ -1512,6 +1515,8 @@ bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr)
                ice_vf_pre_vsi_rebuild(vf);
                ice_vf_rebuild_vsi(vf);
                ice_vf_post_vsi_rebuild(vf);
+
+               mutex_unlock(&vf->cfg_lock);
        }
 
        if (ice_is_eswitch_mode_switchdev(pf))
@@ -1562,6 +1567,8 @@ bool ice_reset_vf(struct ice_vf *vf, bool is_vflr)
        u32 reg;
        int i;
 
+       lockdep_assert_held(&vf->cfg_lock);
+
        dev = ice_pf_to_dev(pf);
 
        if (test_bit(ICE_VF_RESETS_DISABLED, pf->state)) {
@@ -2061,9 +2068,12 @@ void ice_process_vflr_event(struct ice_pf *pf)
                bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
                /* read GLGEN_VFLRSTAT register to find out the flr VFs */
                reg = rd32(hw, GLGEN_VFLRSTAT(reg_idx));
-               if (reg & BIT(bit_idx))
+               if (reg & BIT(bit_idx)) {
                        /* GLGEN_VFLRSTAT bit will be cleared in ice_reset_vf */
+                       mutex_lock(&vf->cfg_lock);
                        ice_reset_vf(vf, true);
+                       mutex_unlock(&vf->cfg_lock);
+               }
        }
 }
 
@@ -2140,7 +2150,9 @@ ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event)
        if (!vf)
                return;
 
+       mutex_lock(&vf->cfg_lock);
        ice_vc_reset_vf(vf);
+       mutex_unlock(&vf->cfg_lock);
 }
 
 /**
@@ -4625,10 +4637,6 @@ void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event)
        struct device *dev;
        int err = 0;
 
-       /* if de-init is underway, don't process messages from VF */
-       if (test_bit(ICE_VF_DEINIT_IN_PROGRESS, pf->state))
-               return;
-
        dev = ice_pf_to_dev(pf);
        if (ice_validate_vf_id(pf, vf_id)) {
                err = -EINVAL;
index 1052475..143ca8b 100644 (file)
@@ -2704,6 +2704,16 @@ MODULE_DEVICE_TABLE(of, mv643xx_eth_shared_ids);
 
 static struct platform_device *port_platdev[3];
 
+static void mv643xx_eth_shared_of_remove(void)
+{
+       int n;
+
+       for (n = 0; n < 3; n++) {
+               platform_device_del(port_platdev[n]);
+               port_platdev[n] = NULL;
+       }
+}
+
 static int mv643xx_eth_shared_of_add_port(struct platform_device *pdev,
                                          struct device_node *pnp)
 {
@@ -2740,7 +2750,9 @@ static int mv643xx_eth_shared_of_add_port(struct platform_device *pdev,
                return -EINVAL;
        }
 
-       of_get_mac_address(pnp, ppd.mac_addr);
+       ret = of_get_mac_address(pnp, ppd.mac_addr);
+       if (ret)
+               return ret;
 
        mv643xx_eth_property(pnp, "tx-queue-size", ppd.tx_queue_size);
        mv643xx_eth_property(pnp, "tx-sram-addr", ppd.tx_sram_addr);
@@ -2804,21 +2816,13 @@ static int mv643xx_eth_shared_of_probe(struct platform_device *pdev)
                ret = mv643xx_eth_shared_of_add_port(pdev, pnp);
                if (ret) {
                        of_node_put(pnp);
+                       mv643xx_eth_shared_of_remove();
                        return ret;
                }
        }
        return 0;
 }
 
-static void mv643xx_eth_shared_of_remove(void)
-{
-       int n;
-
-       for (n = 0; n < 3; n++) {
-               platform_device_del(port_platdev[n]);
-               port_platdev[n] = NULL;
-       }
-}
 #else
 static inline int mv643xx_eth_shared_of_probe(struct platform_device *pdev)
 {
index 7cdbf8b..1a835b4 100644 (file)
@@ -6870,6 +6870,9 @@ static int mvpp2_port_probe(struct platform_device *pdev,
        dev->max_mtu = MVPP2_BM_JUMBO_PKT_SIZE;
        dev->dev.of_node = port_node;
 
+       port->pcs_gmac.ops = &mvpp2_phylink_gmac_pcs_ops;
+       port->pcs_xlg.ops = &mvpp2_phylink_xlg_pcs_ops;
+
        if (!mvpp2_use_acpi_compat_mode(port_fwnode)) {
                port->phylink_config.dev = &dev->dev;
                port->phylink_config.type = PHYLINK_NETDEV;
@@ -6940,9 +6943,6 @@ static int mvpp2_port_probe(struct platform_device *pdev,
                                  port->phylink_config.supported_interfaces);
                }
 
-               port->pcs_gmac.ops = &mvpp2_phylink_gmac_pcs_ops;
-               port->pcs_xlg.ops = &mvpp2_phylink_xlg_pcs_ops;
-
                phylink = phylink_create(&port->phylink_config, port_fwnode,
                                         phy_mode, &mvpp2_phylink_ops);
                if (IS_ERR(phylink)) {
index 26efa33..9cc844b 100644 (file)
@@ -16,11 +16,13 @@ struct mlx5e_tc_act_parse_state {
        unsigned int num_actions;
        struct mlx5e_tc_flow *flow;
        struct netlink_ext_ack *extack;
+       bool ct_clear;
        bool encap;
        bool decap;
        bool mpls_push;
        bool ptype_host;
        const struct ip_tunnel_info *tun_info;
+       struct mlx5e_mpls_info mpls_info;
        struct pedit_headers_action hdrs[__PEDIT_CMD_MAX];
        int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS];
        int if_count;
index 06ec30c..58cc33f 100644 (file)
@@ -27,8 +27,13 @@ tc_act_parse_ct(struct mlx5e_tc_act_parse_state *parse_state,
                struct mlx5e_priv *priv,
                struct mlx5_flow_attr *attr)
 {
+       bool clear_action = act->ct.action & TCA_CT_ACT_CLEAR;
        int err;
 
+       /* It's redundant to do ct clear more than once. */
+       if (clear_action && parse_state->ct_clear)
+               return 0;
+
        err = mlx5_tc_ct_parse_action(parse_state->ct_priv, attr,
                                      &attr->parse_attr->mod_hdr_acts,
                                      act, parse_state->extack);
@@ -40,6 +45,8 @@ tc_act_parse_ct(struct mlx5e_tc_act_parse_state *parse_state,
        if (mlx5e_is_eswitch_flow(parse_state->flow))
                attr->esw_attr->split_count = attr->esw_attr->out_count;
 
+       parse_state->ct_clear = clear_action;
+
        return 0;
 }
 
index c614fc7..2e615e0 100644 (file)
@@ -177,6 +177,12 @@ parse_mirred_encap(struct mlx5e_tc_act_parse_state *parse_state,
                return -ENOMEM;
 
        parse_state->encap = false;
+
+       if (parse_state->mpls_push) {
+               memcpy(&parse_attr->mpls_info[esw_attr->out_count],
+                      &parse_state->mpls_info, sizeof(parse_state->mpls_info));
+               parse_state->mpls_push = false;
+       }
        esw_attr->dests[esw_attr->out_count].flags |= MLX5_ESW_DEST_ENCAP;
        esw_attr->out_count++;
        /* attr->dests[].rep is resolved when we handle encap */
index 784fc4f..89ca88c 100644 (file)
@@ -22,6 +22,16 @@ tc_act_can_offload_mpls_push(struct mlx5e_tc_act_parse_state *parse_state,
        return true;
 }
 
+static void
+copy_mpls_info(struct mlx5e_mpls_info *mpls_info,
+              const struct flow_action_entry *act)
+{
+       mpls_info->label = act->mpls_push.label;
+       mpls_info->tc = act->mpls_push.tc;
+       mpls_info->bos = act->mpls_push.bos;
+       mpls_info->ttl = act->mpls_push.ttl;
+}
+
 static int
 tc_act_parse_mpls_push(struct mlx5e_tc_act_parse_state *parse_state,
                       const struct flow_action_entry *act,
@@ -29,6 +39,7 @@ tc_act_parse_mpls_push(struct mlx5e_tc_act_parse_state *parse_state,
                       struct mlx5_flow_attr *attr)
 {
        parse_state->mpls_push = true;
+       copy_mpls_info(&parse_state->mpls_info, act);
 
        return 0;
 }
index f832c26..70b40ae 100644 (file)
@@ -35,6 +35,7 @@ enum {
 
 struct mlx5e_tc_flow_parse_attr {
        const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS];
+       struct mlx5e_mpls_info mpls_info[MLX5_MAX_FLOW_FWD_VPORTS];
        struct net_device *filter_dev;
        struct mlx5_flow_spec spec;
        struct mlx5e_tc_mod_hdr_acts mod_hdr_acts;
index 9918ed8..d39d0da 100644 (file)
@@ -750,6 +750,7 @@ int mlx5e_attach_encap(struct mlx5e_priv *priv,
        struct mlx5e_tc_flow_parse_attr *parse_attr;
        struct mlx5_flow_attr *attr = flow->attr;
        const struct ip_tunnel_info *tun_info;
+       const struct mlx5e_mpls_info *mpls_info;
        unsigned long tbl_time_before = 0;
        struct mlx5e_encap_entry *e;
        struct mlx5e_encap_key key;
@@ -760,6 +761,7 @@ int mlx5e_attach_encap(struct mlx5e_priv *priv,
 
        parse_attr = attr->parse_attr;
        tun_info = parse_attr->tun_info[out_index];
+       mpls_info = &parse_attr->mpls_info[out_index];
        family = ip_tunnel_info_af(tun_info);
        key.ip_tun_key = &tun_info->key;
        key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev);
@@ -810,6 +812,7 @@ int mlx5e_attach_encap(struct mlx5e_priv *priv,
                goto out_err_init;
        }
        e->tun_info = tun_info;
+       memcpy(&e->mpls_info, mpls_info, sizeof(*mpls_info));
        err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack);
        if (err)
                goto out_err_init;
index 60952b3..c5b1617 100644 (file)
@@ -30,16 +30,15 @@ static int generate_ip_tun_hdr(char buf[],
                               struct mlx5e_encap_entry *r)
 {
        const struct ip_tunnel_key *tun_key = &r->tun_info->key;
+       const struct mlx5e_mpls_info *mpls_info = &r->mpls_info;
        struct udphdr *udp = (struct udphdr *)(buf);
        struct mpls_shim_hdr *mpls;
-       u32 tun_id;
 
-       tun_id = be32_to_cpu(tunnel_id_to_key32(tun_key->tun_id));
        mpls = (struct mpls_shim_hdr *)(udp + 1);
        *ip_proto = IPPROTO_UDP;
 
        udp->dest = tun_key->tp_dst;
-       *mpls = mpls_entry_encode(tun_id, tun_key->ttl, tun_key->tos, true);
+       *mpls = mpls_entry_encode(mpls_info->label, mpls_info->ttl, mpls_info->tc, mpls_info->bos);
 
        return 0;
 }
@@ -60,37 +59,31 @@ static int parse_tunnel(struct mlx5e_priv *priv,
                        void *headers_v)
 {
        struct flow_rule *rule = flow_cls_offload_flow_rule(f);
-       struct flow_match_enc_keyid enc_keyid;
        struct flow_match_mpls match;
        void *misc2_c;
        void *misc2_v;
 
-       misc2_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
-                              misc_parameters_2);
-       misc2_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
-                              misc_parameters_2);
-
-       if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS))
-               return 0;
-
-       if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID))
-               return 0;
-
-       flow_rule_match_enc_keyid(rule, &enc_keyid);
-
-       if (!enc_keyid.mask->keyid)
-               return 0;
-
        if (!MLX5_CAP_ETH(priv->mdev, tunnel_stateless_mpls_over_udp) &&
            !(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & MLX5_FLEX_PROTO_CW_MPLS_UDP))
                return -EOPNOTSUPP;
 
+       if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID))
+               return -EOPNOTSUPP;
+
+       if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS))
+               return 0;
+
        flow_rule_match_mpls(rule, &match);
 
        /* Only support matching the first LSE */
        if (match.mask->used_lses != 1)
                return -EOPNOTSUPP;
 
+       misc2_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
+                              misc_parameters_2);
+       misc2_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
+                              misc_parameters_2);
+
        MLX5_SET(fte_match_set_misc2, misc2_c,
                 outer_first_mpls_over_udp.mpls_label,
                 match.mask->ls[0].mpls_label);
index 57d755d..6e80585 100644 (file)
@@ -1792,7 +1792,7 @@ static int mlx5e_get_module_eeprom(struct net_device *netdev,
                if (size_read < 0) {
                        netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
                                   __func__, size_read);
-                       return 0;
+                       return size_read;
                }
 
                i += size_read;
index b01dacb..b3f7520 100644 (file)
@@ -183,6 +183,13 @@ struct mlx5e_decap_entry {
        struct rcu_head rcu;
 };
 
+struct mlx5e_mpls_info {
+       u32             label;
+       u8              tc;
+       u8              bos;
+       u8              ttl;
+};
+
 struct mlx5e_encap_entry {
        /* attached neigh hash entry */
        struct mlx5e_neigh_hash_entry *nhe;
@@ -196,6 +203,7 @@ struct mlx5e_encap_entry {
        struct list_head route_list;
        struct mlx5_pkt_reformat *pkt_reformat;
        const struct ip_tunnel_info *tun_info;
+       struct mlx5e_mpls_info mpls_info;
        unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
 
        struct net_device *out_dev;
index ee0a8f5..6530d7b 100644 (file)
@@ -1349,7 +1349,8 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
        }
 
        /* True when explicitly set via priv flag, or XDP prog is loaded */
-       if (test_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &rq->state))
+       if (test_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &rq->state) ||
+           get_cqe_tls_offload(cqe))
                goto csum_unnecessary;
 
        /* CQE csum doesn't cover padding octets in short ethernet
index 8c9163d..08a7565 100644 (file)
@@ -334,6 +334,7 @@ void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
                netdev_info(ndev, "\t[%d] %s start..\n", i, st.name);
                buf[count] = st.st_func(priv);
                netdev_info(ndev, "\t[%d] %s end: result(%lld)\n", i, st.name, buf[count]);
+               count++;
        }
 
        mutex_unlock(&priv->state_lock);
index 26e326f..00f1d16 100644 (file)
@@ -1254,9 +1254,6 @@ static void fec_set_corrected_bits_total(struct mlx5e_priv *priv,
        u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {};
        int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
 
-       if (!MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group))
-               return;
-
        MLX5_SET(ppcnt_reg, in, local_port, 1);
        MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_STATISTICAL_GROUP);
        if (mlx5_core_access_reg(mdev, in, sz, ppcnt_phy_statistical,
@@ -1272,6 +1269,9 @@ static void fec_set_corrected_bits_total(struct mlx5e_priv *priv,
 void mlx5e_stats_fec_get(struct mlx5e_priv *priv,
                         struct ethtool_fec_stats *fec_stats)
 {
+       if (!MLX5_CAP_PCAM_FEATURE(priv->mdev, ppcnt_statistical_group))
+               return;
+
        fec_set_corrected_bits_total(priv, fec_stats);
        fec_set_block_stats(priv, fec_stats);
 }
index 2022fa4..b27532a 100644 (file)
@@ -3204,6 +3204,18 @@ actions_match_supported(struct mlx5e_priv *priv,
                return false;
        }
 
+       if (!(~actions &
+             (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) {
+               NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action");
+               return false;
+       }
+
+       if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR &&
+           actions & MLX5_FLOW_CONTEXT_ACTION_DROP) {
+               NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported");
+               return false;
+       }
+
        if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR &&
            !modify_header_match_supported(priv, &parse_attr->spec, flow_action,
                                           actions, ct_flow, ct_clear, extack))
index 11bbcd5..694c540 100644 (file)
@@ -697,7 +697,7 @@ void mlx5_esw_qos_vport_disable(struct mlx5_eswitch *esw, struct mlx5_vport *vpo
 }
 
 int mlx5_esw_qos_set_vport_rate(struct mlx5_eswitch *esw, struct mlx5_vport *vport,
-                               u32 min_rate, u32 max_rate)
+                               u32 max_rate, u32 min_rate)
 {
        int err;
 
index 9a7b256..cfcd72b 100644 (file)
@@ -2838,10 +2838,6 @@ bool mlx5_esw_vport_match_metadata_supported(const struct mlx5_eswitch *esw)
        if (!MLX5_CAP_ESW_FLOWTABLE(esw->dev, flow_source))
                return false;
 
-       if (mlx5_core_is_ecpf_esw_manager(esw->dev) ||
-           mlx5_ecpf_vport_exists(esw->dev))
-               return false;
-
        return true;
 }
 
index b628917..537c82b 100644 (file)
@@ -2074,6 +2074,8 @@ void mlx5_del_flow_rules(struct mlx5_flow_handle *handle)
                fte->node.del_hw_func = NULL;
                up_write_ref_node(&fte->node, false);
                tree_put_node(&fte->node, false);
+       } else {
+               up_write_ref_node(&fte->node, false);
        }
        kfree(handle);
 }
index df58cba..1e8ec4f 100644 (file)
@@ -121,6 +121,9 @@ u32 mlx5_chains_get_nf_ft_chain(struct mlx5_fs_chains *chains)
 
 u32 mlx5_chains_get_prio_range(struct mlx5_fs_chains *chains)
 {
+       if (!mlx5_chains_prios_supported(chains))
+               return 1;
+
        if (mlx5_chains_ignore_flow_level_supported(chains))
                return UINT_MAX;
 
index 2c774f3..bba72b2 100644 (file)
@@ -526,7 +526,7 @@ static int handle_hca_cap(struct mlx5_core_dev *dev, void *set_ctx)
 
        /* Check log_max_qp from HCA caps to set in current profile */
        if (prof->log_max_qp == LOG_MAX_SUPPORTED_QPS) {
-               prof->log_max_qp = MLX5_CAP_GEN_MAX(dev, log_max_qp);
+               prof->log_max_qp = min_t(u8, 17, MLX5_CAP_GEN_MAX(dev, log_max_qp));
        } else if (MLX5_CAP_GEN_MAX(dev, log_max_qp) < prof->log_max_qp) {
                mlx5_core_warn(dev, "log_max_qp value in current profile is %d, changing it to HCA capability limit (%d)\n",
                               prof->log_max_qp,
@@ -1840,10 +1840,12 @@ static const struct pci_device_id mlx5_core_pci_table[] = {
        { PCI_VDEVICE(MELLANOX, 0x101e), MLX5_PCI_DEV_IS_VF},   /* ConnectX Family mlx5Gen Virtual Function */
        { PCI_VDEVICE(MELLANOX, 0x101f) },                      /* ConnectX-6 LX */
        { PCI_VDEVICE(MELLANOX, 0x1021) },                      /* ConnectX-7 */
+       { PCI_VDEVICE(MELLANOX, 0x1023) },                      /* ConnectX-8 */
        { PCI_VDEVICE(MELLANOX, 0xa2d2) },                      /* BlueField integrated ConnectX-5 network controller */
        { PCI_VDEVICE(MELLANOX, 0xa2d3), MLX5_PCI_DEV_IS_VF},   /* BlueField integrated ConnectX-5 network controller VF */
        { PCI_VDEVICE(MELLANOX, 0xa2d6) },                      /* BlueField-2 integrated ConnectX-6 Dx network controller */
        { PCI_VDEVICE(MELLANOX, 0xa2dc) },                      /* BlueField-3 integrated ConnectX-7 network controller */
+       { PCI_VDEVICE(MELLANOX, 0xa2df) },                      /* BlueField-4 integrated ConnectX-8 network controller */
        { 0, }
 };
 
index 7f6fd9c..e289cfd 100644 (file)
@@ -4,7 +4,6 @@
 #include "dr_types.h"
 
 #define DR_ICM_MODIFY_HDR_ALIGN_BASE 64
-#define DR_ICM_SYNC_THRESHOLD_POOL (64 * 1024 * 1024)
 
 struct mlx5dr_icm_pool {
        enum mlx5dr_icm_type icm_type;
@@ -136,37 +135,35 @@ static void dr_icm_pool_mr_destroy(struct mlx5dr_icm_mr *icm_mr)
        kvfree(icm_mr);
 }
 
-static int dr_icm_chunk_ste_init(struct mlx5dr_icm_chunk *chunk)
+static int dr_icm_buddy_get_ste_size(struct mlx5dr_icm_buddy_mem *buddy)
 {
-       chunk->ste_arr = kvzalloc(chunk->num_of_entries *
-                                 sizeof(chunk->ste_arr[0]), GFP_KERNEL);
-       if (!chunk->ste_arr)
-               return -ENOMEM;
-
-       chunk->hw_ste_arr = kvzalloc(chunk->num_of_entries *
-                                    DR_STE_SIZE_REDUCED, GFP_KERNEL);
-       if (!chunk->hw_ste_arr)
-               goto out_free_ste_arr;
-
-       chunk->miss_list = kvmalloc(chunk->num_of_entries *
-                                   sizeof(chunk->miss_list[0]), GFP_KERNEL);
-       if (!chunk->miss_list)
-               goto out_free_hw_ste_arr;
+       /* We support only one type of STE size, both for ConnectX-5 and later
+        * devices. Once the support for match STE which has a larger tag is
+        * added (32B instead of 16B), the STE size for devices later than
+        * ConnectX-5 needs to account for that.
+        */
+       return DR_STE_SIZE_REDUCED;
+}
 
-       return 0;
+static void dr_icm_chunk_ste_init(struct mlx5dr_icm_chunk *chunk, int offset)
+{
+       struct mlx5dr_icm_buddy_mem *buddy = chunk->buddy_mem;
+       int index = offset / DR_STE_SIZE;
 
-out_free_hw_ste_arr:
-       kvfree(chunk->hw_ste_arr);
-out_free_ste_arr:
-       kvfree(chunk->ste_arr);
-       return -ENOMEM;
+       chunk->ste_arr = &buddy->ste_arr[index];
+       chunk->miss_list = &buddy->miss_list[index];
+       chunk->hw_ste_arr = buddy->hw_ste_arr +
+                           index * dr_icm_buddy_get_ste_size(buddy);
 }
 
 static void dr_icm_chunk_ste_cleanup(struct mlx5dr_icm_chunk *chunk)
 {
-       kvfree(chunk->miss_list);
-       kvfree(chunk->hw_ste_arr);
-       kvfree(chunk->ste_arr);
+       struct mlx5dr_icm_buddy_mem *buddy = chunk->buddy_mem;
+
+       memset(chunk->hw_ste_arr, 0,
+              chunk->num_of_entries * dr_icm_buddy_get_ste_size(buddy));
+       memset(chunk->ste_arr, 0,
+              chunk->num_of_entries * sizeof(chunk->ste_arr[0]));
 }
 
 static enum mlx5dr_icm_type
@@ -189,6 +186,44 @@ static void dr_icm_chunk_destroy(struct mlx5dr_icm_chunk *chunk,
        kvfree(chunk);
 }
 
+static int dr_icm_buddy_init_ste_cache(struct mlx5dr_icm_buddy_mem *buddy)
+{
+       int num_of_entries =
+               mlx5dr_icm_pool_chunk_size_to_entries(buddy->pool->max_log_chunk_sz);
+
+       buddy->ste_arr = kvcalloc(num_of_entries,
+                                 sizeof(struct mlx5dr_ste), GFP_KERNEL);
+       if (!buddy->ste_arr)
+               return -ENOMEM;
+
+       /* Preallocate full STE size on non-ConnectX-5 devices since
+        * we need to support both full and reduced with the same cache.
+        */
+       buddy->hw_ste_arr = kvcalloc(num_of_entries,
+                                    dr_icm_buddy_get_ste_size(buddy), GFP_KERNEL);
+       if (!buddy->hw_ste_arr)
+               goto free_ste_arr;
+
+       buddy->miss_list = kvmalloc(num_of_entries * sizeof(struct list_head), GFP_KERNEL);
+       if (!buddy->miss_list)
+               goto free_hw_ste_arr;
+
+       return 0;
+
+free_hw_ste_arr:
+       kvfree(buddy->hw_ste_arr);
+free_ste_arr:
+       kvfree(buddy->ste_arr);
+       return -ENOMEM;
+}
+
+static void dr_icm_buddy_cleanup_ste_cache(struct mlx5dr_icm_buddy_mem *buddy)
+{
+       kvfree(buddy->ste_arr);
+       kvfree(buddy->hw_ste_arr);
+       kvfree(buddy->miss_list);
+}
+
 static int dr_icm_buddy_create(struct mlx5dr_icm_pool *pool)
 {
        struct mlx5dr_icm_buddy_mem *buddy;
@@ -208,11 +243,19 @@ static int dr_icm_buddy_create(struct mlx5dr_icm_pool *pool)
        buddy->icm_mr = icm_mr;
        buddy->pool = pool;
 
+       if (pool->icm_type == DR_ICM_TYPE_STE) {
+               /* Reduce allocations by preallocating and reusing the STE structures */
+               if (dr_icm_buddy_init_ste_cache(buddy))
+                       goto err_cleanup_buddy;
+       }
+
        /* add it to the -start- of the list in order to search in it first */
        list_add(&buddy->list_node, &pool->buddy_mem_list);
 
        return 0;
 
+err_cleanup_buddy:
+       mlx5dr_buddy_cleanup(buddy);
 err_free_buddy:
        kvfree(buddy);
 free_mr:
@@ -234,6 +277,9 @@ static void dr_icm_buddy_destroy(struct mlx5dr_icm_buddy_mem *buddy)
 
        mlx5dr_buddy_cleanup(buddy);
 
+       if (buddy->pool->icm_type == DR_ICM_TYPE_STE)
+               dr_icm_buddy_cleanup_ste_cache(buddy);
+
        kvfree(buddy);
 }
 
@@ -261,34 +307,30 @@ dr_icm_chunk_create(struct mlx5dr_icm_pool *pool,
        chunk->byte_size =
                mlx5dr_icm_pool_chunk_size_to_byte(chunk_size, pool->icm_type);
        chunk->seg = seg;
+       chunk->buddy_mem = buddy_mem_pool;
 
-       if (pool->icm_type == DR_ICM_TYPE_STE && dr_icm_chunk_ste_init(chunk)) {
-               mlx5dr_err(pool->dmn,
-                          "Failed to init ste arrays (order: %d)\n",
-                          chunk_size);
-               goto out_free_chunk;
-       }
+       if (pool->icm_type == DR_ICM_TYPE_STE)
+               dr_icm_chunk_ste_init(chunk, offset);
 
        buddy_mem_pool->used_memory += chunk->byte_size;
-       chunk->buddy_mem = buddy_mem_pool;
        INIT_LIST_HEAD(&chunk->chunk_list);
 
        /* chunk now is part of the used_list */
        list_add_tail(&chunk->chunk_list, &buddy_mem_pool->used_list);
 
        return chunk;
-
-out_free_chunk:
-       kvfree(chunk);
-       return NULL;
 }
 
 static bool dr_icm_pool_is_sync_required(struct mlx5dr_icm_pool *pool)
 {
-       if (pool->hot_memory_size > DR_ICM_SYNC_THRESHOLD_POOL)
-               return true;
+       int allow_hot_size;
+
+       /* sync when hot memory reaches half of the pool size */
+       allow_hot_size =
+               mlx5dr_icm_pool_chunk_size_to_byte(pool->max_log_chunk_sz,
+                                                  pool->icm_type) / 2;
 
-       return false;
+       return pool->hot_memory_size > allow_hot_size;
 }
 
 static int dr_icm_pool_sync_all_buddy_pools(struct mlx5dr_icm_pool *pool)
index e87cf49..38971fe 100644 (file)
@@ -13,18 +13,6 @@ static bool dr_mask_is_dmac_set(struct mlx5dr_match_spec *spec)
        return (spec->dmac_47_16 || spec->dmac_15_0);
 }
 
-static bool dr_mask_is_src_addr_set(struct mlx5dr_match_spec *spec)
-{
-       return (spec->src_ip_127_96 || spec->src_ip_95_64 ||
-               spec->src_ip_63_32 || spec->src_ip_31_0);
-}
-
-static bool dr_mask_is_dst_addr_set(struct mlx5dr_match_spec *spec)
-{
-       return (spec->dst_ip_127_96 || spec->dst_ip_95_64 ||
-               spec->dst_ip_63_32 || spec->dst_ip_31_0);
-}
-
 static bool dr_mask_is_l3_base_set(struct mlx5dr_match_spec *spec)
 {
        return (spec->ip_protocol || spec->frag || spec->tcp_flags ||
@@ -503,11 +491,11 @@ static int dr_matcher_set_ste_builders(struct mlx5dr_matcher *matcher,
                                                    &mask, inner, rx);
 
                if (outer_ipv == DR_RULE_IPV6) {
-                       if (dr_mask_is_dst_addr_set(&mask.outer))
+                       if (DR_MASK_IS_DST_IP_SET(&mask.outer))
                                mlx5dr_ste_build_eth_l3_ipv6_dst(ste_ctx, &sb[idx++],
                                                                 &mask, inner, rx);
 
-                       if (dr_mask_is_src_addr_set(&mask.outer))
+                       if (DR_MASK_IS_SRC_IP_SET(&mask.outer))
                                mlx5dr_ste_build_eth_l3_ipv6_src(ste_ctx, &sb[idx++],
                                                                 &mask, inner, rx);
 
@@ -610,11 +598,11 @@ static int dr_matcher_set_ste_builders(struct mlx5dr_matcher *matcher,
                                                    &mask, inner, rx);
 
                if (inner_ipv == DR_RULE_IPV6) {
-                       if (dr_mask_is_dst_addr_set(&mask.inner))
+                       if (DR_MASK_IS_DST_IP_SET(&mask.inner))
                                mlx5dr_ste_build_eth_l3_ipv6_dst(ste_ctx, &sb[idx++],
                                                                 &mask, inner, rx);
 
-                       if (dr_mask_is_src_addr_set(&mask.inner))
+                       if (DR_MASK_IS_SRC_IP_SET(&mask.inner))
                                mlx5dr_ste_build_eth_l3_ipv6_src(ste_ctx, &sb[idx++],
                                                                 &mask, inner, rx);
 
index 7e61742..187e29b 100644 (file)
@@ -602,12 +602,34 @@ int mlx5dr_ste_set_action_decap_l3_list(struct mlx5dr_ste_ctx *ste_ctx,
                                                 used_hw_action_num);
 }
 
+static int dr_ste_build_pre_check_spec(struct mlx5dr_domain *dmn,
+                                      struct mlx5dr_match_spec *spec)
+{
+       if (spec->ip_version) {
+               if (spec->ip_version != 0xf) {
+                       mlx5dr_err(dmn,
+                                  "Partial ip_version mask with src/dst IP is not supported\n");
+                       return -EINVAL;
+               }
+       } else if (spec->ethertype != 0xffff &&
+                  (DR_MASK_IS_SRC_IP_SET(spec) || DR_MASK_IS_DST_IP_SET(spec))) {
+               mlx5dr_err(dmn,
+                          "Partial/no ethertype mask with src/dst IP is not supported\n");
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
 int mlx5dr_ste_build_pre_check(struct mlx5dr_domain *dmn,
                               u8 match_criteria,
                               struct mlx5dr_match_param *mask,
                               struct mlx5dr_match_param *value)
 {
-       if (!value && (match_criteria & DR_MATCHER_CRITERIA_MISC)) {
+       if (value)
+               return 0;
+
+       if (match_criteria & DR_MATCHER_CRITERIA_MISC) {
                if (mask->misc.source_port && mask->misc.source_port != 0xffff) {
                        mlx5dr_err(dmn,
                                   "Partial mask source_port is not supported\n");
@@ -621,6 +643,14 @@ int mlx5dr_ste_build_pre_check(struct mlx5dr_domain *dmn,
                }
        }
 
+       if ((match_criteria & DR_MATCHER_CRITERIA_OUTER) &&
+           dr_ste_build_pre_check_spec(dmn, &mask->outer))
+               return -EINVAL;
+
+       if ((match_criteria & DR_MATCHER_CRITERIA_INNER) &&
+           dr_ste_build_pre_check_spec(dmn, &mask->inner))
+               return -EINVAL;
+
        return 0;
 }
 
index 1b3d484..55fcb75 100644 (file)
@@ -798,6 +798,16 @@ struct mlx5dr_match_param {
                                       (_misc3)->icmpv4_code || \
                                       (_misc3)->icmpv4_header_data)
 
+#define DR_MASK_IS_SRC_IP_SET(_spec) ((_spec)->src_ip_127_96 || \
+                                     (_spec)->src_ip_95_64  || \
+                                     (_spec)->src_ip_63_32  || \
+                                     (_spec)->src_ip_31_0)
+
+#define DR_MASK_IS_DST_IP_SET(_spec) ((_spec)->dst_ip_127_96 || \
+                                     (_spec)->dst_ip_95_64  || \
+                                     (_spec)->dst_ip_63_32  || \
+                                     (_spec)->dst_ip_31_0)
+
 struct mlx5dr_esw_caps {
        u64 drop_icm_address_rx;
        u64 drop_icm_address_tx;
index a476da2..3f31146 100644 (file)
@@ -233,7 +233,11 @@ static bool contain_vport_reformat_action(struct mlx5_flow_rule *dst)
                dst->dest_attr.vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID;
 }
 
-#define MLX5_FLOW_CONTEXT_ACTION_MAX  32
+/* We want to support a rule with 32 destinations, which means we need to
+ * account for 32 destinations plus usually a counter plus one more action
+ * for a multi-destination flow table.
+ */
+#define MLX5_FLOW_CONTEXT_ACTION_MAX  34
 static int mlx5_cmd_dr_create_fte(struct mlx5_flow_root_namespace *ns,
                                  struct mlx5_flow_table *ft,
                                  struct mlx5_flow_group *group,
@@ -403,9 +407,9 @@ static int mlx5_cmd_dr_create_fte(struct mlx5_flow_root_namespace *ns,
                        enum mlx5_flow_destination_type type = dst->dest_attr.type;
                        u32 id;
 
-                       if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX ||
-                           num_term_actions >= MLX5_FLOW_CONTEXT_ACTION_MAX) {
-                               err = -ENOSPC;
+                       if (fs_dr_num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX ||
+                           num_term_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
+                               err = -EOPNOTSUPP;
                                goto free_actions;
                        }
 
@@ -478,8 +482,9 @@ static int mlx5_cmd_dr_create_fte(struct mlx5_flow_root_namespace *ns,
                            MLX5_FLOW_DESTINATION_TYPE_COUNTER)
                                continue;
 
-                       if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
-                               err = -ENOSPC;
+                       if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX ||
+                           fs_dr_num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
+                               err = -EOPNOTSUPP;
                                goto free_actions;
                        }
 
@@ -499,14 +504,28 @@ static int mlx5_cmd_dr_create_fte(struct mlx5_flow_root_namespace *ns,
        params.match_sz = match_sz;
        params.match_buf = (u64 *)fte->val;
        if (num_term_actions == 1) {
-               if (term_actions->reformat)
+               if (term_actions->reformat) {
+                       if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
+                               err = -EOPNOTSUPP;
+                               goto free_actions;
+                       }
                        actions[num_actions++] = term_actions->reformat;
+               }
 
+               if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
+                       err = -EOPNOTSUPP;
+                       goto free_actions;
+               }
                actions[num_actions++] = term_actions->dest;
        } else if (num_term_actions > 1) {
                bool ignore_flow_level =
                        !!(fte->action.flags & FLOW_ACT_IGNORE_FLOW_LEVEL);
 
+               if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX ||
+                   fs_dr_num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
+                       err = -EOPNOTSUPP;
+                       goto free_actions;
+               }
                tmp_action = mlx5dr_action_create_mult_dest_tbl(domain,
                                                                term_actions,
                                                                num_term_actions,
index c7c9313..dfa2234 100644 (file)
@@ -160,6 +160,11 @@ struct mlx5dr_icm_buddy_mem {
         * sync_ste command sets them free.
         */
        struct list_head        hot_list;
+
+       /* Memory optimisation */
+       struct mlx5dr_ste       *ste_arr;
+       struct list_head        *miss_list;
+       u8                      *hw_ste_arr;
 };
 
 int mlx5dr_buddy_init(struct mlx5dr_icm_buddy_mem *buddy,
index 0a326e0..cb43651 100644 (file)
@@ -922,8 +922,8 @@ nfp_tunnel_add_shared_mac(struct nfp_app *app, struct net_device *netdev,
                          int port, bool mod)
 {
        struct nfp_flower_priv *priv = app->priv;
-       int ida_idx = NFP_MAX_MAC_INDEX, err;
        struct nfp_tun_offloaded_mac *entry;
+       int ida_idx = -1, err;
        u16 nfp_mac_idx = 0;
 
        entry = nfp_tunnel_lookup_offloaded_macs(app, netdev->dev_addr);
@@ -997,7 +997,7 @@ err_remove_hash:
 err_free_entry:
        kfree(entry);
 err_free_ida:
-       if (ida_idx != NFP_MAX_MAC_INDEX)
+       if (ida_idx != -1)
                ida_simple_remove(&priv->tun.mac_off_ids, ida_idx);
 
        return err;
index b900ab5..64c7e26 100644 (file)
@@ -1433,6 +1433,8 @@ static int temac_probe(struct platform_device *pdev)
                lp->indirect_lock = devm_kmalloc(&pdev->dev,
                                                 sizeof(*lp->indirect_lock),
                                                 GFP_KERNEL);
+               if (!lp->indirect_lock)
+                       return -ENOMEM;
                spin_lock_init(lp->indirect_lock);
        }
 
index b1fc153..45c3c4a 100644 (file)
@@ -668,11 +668,11 @@ static void sixpack_close(struct tty_struct *tty)
         */
        netif_stop_queue(sp->dev);
 
+       unregister_netdev(sp->dev);
+
        del_timer_sync(&sp->tx_t);
        del_timer_sync(&sp->resync_t);
 
-       unregister_netdev(sp->dev);
-
        /* Free all 6pack frame buffers after unreg. */
        kfree(sp->rbuff);
        kfree(sp->xbuff);
index 5f4cd24..4eba5a9 100644 (file)
@@ -200,7 +200,11 @@ static int ipq_mdio_reset(struct mii_bus *bus)
        if (ret)
                return ret;
 
-       return clk_prepare_enable(priv->mdio_clk);
+       ret = clk_prepare_enable(priv->mdio_clk);
+       if (ret == 0)
+               mdelay(10);
+
+       return ret;
 }
 
 static int ipq4019_mdio_probe(struct platform_device *pdev)
index b658510..5a53e63 100644 (file)
@@ -413,7 +413,7 @@ static int sr9700_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
                /* ignore the CRC length */
                len = (skb->data[1] | (skb->data[2] << 8)) - 4;
 
-               if (len > ETH_FRAME_LEN)
+               if (len > ETH_FRAME_LEN || len > skb->len)
                        return 0;
 
                /* the last packet of current skb */
index d24b7a7..990360d 100644 (file)
@@ -256,6 +256,7 @@ static void backend_disconnect(struct backend_info *be)
                unsigned int queue_index;
 
                xen_unregister_watchers(vif);
+               xenbus_rm(XBT_NIL, be->dev->nodename, "hotplug-status");
 #ifdef CONFIG_DEBUG_FS
                xenvif_debugfs_delif(vif);
 #endif /* CONFIG_DEBUG_FS */
@@ -675,7 +676,6 @@ static void hotplug_status_changed(struct xenbus_watch *watch,
 
                /* Not interested in this watch anymore. */
                unregister_hotplug_status_watch(be);
-               xenbus_rm(XBT_NIL, be->dev->nodename, "hotplug-status");
        }
        kfree(str);
 }
@@ -824,15 +824,11 @@ static void connect(struct backend_info *be)
        xenvif_carrier_on(be->vif);
 
        unregister_hotplug_status_watch(be);
-       if (xenbus_exists(XBT_NIL, dev->nodename, "hotplug-status")) {
-               err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch,
-                                          NULL, hotplug_status_changed,
-                                          "%s/%s", dev->nodename,
-                                          "hotplug-status");
-               if (err)
-                       goto err;
+       err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, NULL,
+                                  hotplug_status_changed,
+                                  "%s/%s", dev->nodename, "hotplug-status");
+       if (!err)
                be->have_hotplug_status_watch = 1;
-       }
 
        netif_tx_wake_all_queues(be->vif->dev);
 
index 469f231..fd4720d 100644 (file)
@@ -1723,7 +1723,7 @@ static int nvme_setup_streams_ns(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
        return 0;
 }
 
-static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
+static void nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
 {
        struct nvme_ctrl *ctrl = ns->ctrl;
 
@@ -1739,7 +1739,8 @@ static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
 
        ns->features &= ~(NVME_NS_METADATA_SUPPORTED | NVME_NS_EXT_LBAS);
        if (!ns->ms || !(ctrl->ops->flags & NVME_F_METADATA_SUPPORTED))
-               return 0;
+               return;
+
        if (ctrl->ops->flags & NVME_F_FABRICS) {
                /*
                 * The NVMe over Fabrics specification only supports metadata as
@@ -1747,7 +1748,7 @@ static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
                 * remap the separate metadata buffer from the block layer.
                 */
                if (WARN_ON_ONCE(!(id->flbas & NVME_NS_FLBAS_META_EXT)))
-                       return -EINVAL;
+                       return;
 
                ns->features |= NVME_NS_EXT_LBAS;
 
@@ -1774,8 +1775,6 @@ static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
                else
                        ns->features |= NVME_NS_METADATA_SUPPORTED;
        }
-
-       return 0;
 }
 
 static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
@@ -1916,9 +1915,7 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_id_ns *id)
        ns->lba_shift = id->lbaf[lbaf].ds;
        nvme_set_queue_limits(ns->ctrl, ns->queue);
 
-       ret = nvme_configure_metadata(ns, id);
-       if (ret)
-               goto out_unfreeze;
+       nvme_configure_metadata(ns, id);
        nvme_set_chunk_sectors(ns, id);
        nvme_update_disk_info(ns->disk, ns, id);
 
@@ -1934,7 +1931,7 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_id_ns *id)
        if (blk_queue_is_zoned(ns->queue)) {
                ret = nvme_revalidate_zones(ns);
                if (ret && !nvme_first_scan(ns->disk))
-                       goto out;
+                       return ret;
        }
 
        if (nvme_ns_head_multipath(ns->head)) {
@@ -1949,16 +1946,16 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_id_ns *id)
        return 0;
 
 out_unfreeze:
-       blk_mq_unfreeze_queue(ns->disk->queue);
-out:
        /*
         * If probing fails due an unsupported feature, hide the block device,
         * but still allow other access.
         */
        if (ret == -ENODEV) {
                ns->disk->flags |= GENHD_FL_HIDDEN;
+               set_bit(NVME_NS_READY, &ns->flags);
                ret = 0;
        }
+       blk_mq_unfreeze_queue(ns->disk->queue);
        return ret;
 }
 
index 891a36d..65e00c6 100644 (file)
@@ -44,6 +44,8 @@ struct nvme_tcp_request {
        u32                     data_len;
        u32                     pdu_len;
        u32                     pdu_sent;
+       u32                     h2cdata_left;
+       u32                     h2cdata_offset;
        u16                     ttag;
        __le16                  status;
        struct list_head        entry;
@@ -95,6 +97,7 @@ struct nvme_tcp_queue {
        struct nvme_tcp_request *request;
 
        int                     queue_size;
+       u32                     maxh2cdata;
        size_t                  cmnd_capsule_len;
        struct nvme_tcp_ctrl    *ctrl;
        unsigned long           flags;
@@ -572,23 +575,26 @@ static int nvme_tcp_handle_comp(struct nvme_tcp_queue *queue,
        return ret;
 }
 
-static void nvme_tcp_setup_h2c_data_pdu(struct nvme_tcp_request *req,
-               struct nvme_tcp_r2t_pdu *pdu)
+static void nvme_tcp_setup_h2c_data_pdu(struct nvme_tcp_request *req)
 {
        struct nvme_tcp_data_pdu *data = req->pdu;
        struct nvme_tcp_queue *queue = req->queue;
        struct request *rq = blk_mq_rq_from_pdu(req);
+       u32 h2cdata_sent = req->pdu_len;
        u8 hdgst = nvme_tcp_hdgst_len(queue);
        u8 ddgst = nvme_tcp_ddgst_len(queue);
 
        req->state = NVME_TCP_SEND_H2C_PDU;
        req->offset = 0;
-       req->pdu_len = le32_to_cpu(pdu->r2t_length);
+       req->pdu_len = min(req->h2cdata_left, queue->maxh2cdata);
        req->pdu_sent = 0;
+       req->h2cdata_left -= req->pdu_len;
+       req->h2cdata_offset += h2cdata_sent;
 
        memset(data, 0, sizeof(*data));
        data->hdr.type = nvme_tcp_h2c_data;
-       data->hdr.flags = NVME_TCP_F_DATA_LAST;
+       if (!req->h2cdata_left)
+               data->hdr.flags = NVME_TCP_F_DATA_LAST;
        if (queue->hdr_digest)
                data->hdr.flags |= NVME_TCP_F_HDGST;
        if (queue->data_digest)
@@ -597,9 +603,9 @@ static void nvme_tcp_setup_h2c_data_pdu(struct nvme_tcp_request *req,
        data->hdr.pdo = data->hdr.hlen + hdgst;
        data->hdr.plen =
                cpu_to_le32(data->hdr.hlen + hdgst + req->pdu_len + ddgst);
-       data->ttag = pdu->ttag;
+       data->ttag = req->ttag;
        data->command_id = nvme_cid(rq);
-       data->data_offset = pdu->r2t_offset;
+       data->data_offset = cpu_to_le32(req->h2cdata_offset);
        data->data_length = cpu_to_le32(req->pdu_len);
 }
 
@@ -609,6 +615,7 @@ static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue,
        struct nvme_tcp_request *req;
        struct request *rq;
        u32 r2t_length = le32_to_cpu(pdu->r2t_length);
+       u32 r2t_offset = le32_to_cpu(pdu->r2t_offset);
 
        rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id);
        if (!rq) {
@@ -633,14 +640,19 @@ static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue,
                return -EPROTO;
        }
 
-       if (unlikely(le32_to_cpu(pdu->r2t_offset) < req->data_sent)) {
+       if (unlikely(r2t_offset < req->data_sent)) {
                dev_err(queue->ctrl->ctrl.device,
                        "req %d unexpected r2t offset %u (expected %zu)\n",
-                       rq->tag, le32_to_cpu(pdu->r2t_offset), req->data_sent);
+                       rq->tag, r2t_offset, req->data_sent);
                return -EPROTO;
        }
 
-       nvme_tcp_setup_h2c_data_pdu(req, pdu);
+       req->pdu_len = 0;
+       req->h2cdata_left = r2t_length;
+       req->h2cdata_offset = r2t_offset;
+       req->ttag = pdu->ttag;
+
+       nvme_tcp_setup_h2c_data_pdu(req);
        nvme_tcp_queue_request(req, false, true);
 
        return 0;
@@ -928,6 +940,7 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req)
 {
        struct nvme_tcp_queue *queue = req->queue;
        int req_data_len = req->data_len;
+       u32 h2cdata_left = req->h2cdata_left;
 
        while (true) {
                struct page *page = nvme_tcp_req_cur_page(req);
@@ -972,7 +985,10 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req)
                                req->state = NVME_TCP_SEND_DDGST;
                                req->offset = 0;
                        } else {
-                               nvme_tcp_done_send_req(queue);
+                               if (h2cdata_left)
+                                       nvme_tcp_setup_h2c_data_pdu(req);
+                               else
+                                       nvme_tcp_done_send_req(queue);
                        }
                        return 1;
                }
@@ -1030,9 +1046,14 @@ static int nvme_tcp_try_send_data_pdu(struct nvme_tcp_request *req)
        if (queue->hdr_digest && !req->offset)
                nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu));
 
-       ret = kernel_sendpage(queue->sock, virt_to_page(pdu),
-                       offset_in_page(pdu) + req->offset, len,
-                       MSG_DONTWAIT | MSG_MORE | MSG_SENDPAGE_NOTLAST);
+       if (!req->h2cdata_left)
+               ret = kernel_sendpage(queue->sock, virt_to_page(pdu),
+                               offset_in_page(pdu) + req->offset, len,
+                               MSG_DONTWAIT | MSG_MORE | MSG_SENDPAGE_NOTLAST);
+       else
+               ret = sock_no_sendpage(queue->sock, virt_to_page(pdu),
+                               offset_in_page(pdu) + req->offset, len,
+                               MSG_DONTWAIT | MSG_MORE);
        if (unlikely(ret <= 0))
                return ret;
 
@@ -1052,6 +1073,7 @@ static int nvme_tcp_try_send_ddgst(struct nvme_tcp_request *req)
 {
        struct nvme_tcp_queue *queue = req->queue;
        size_t offset = req->offset;
+       u32 h2cdata_left = req->h2cdata_left;
        int ret;
        struct msghdr msg = { .msg_flags = MSG_DONTWAIT };
        struct kvec iov = {
@@ -1069,7 +1091,10 @@ static int nvme_tcp_try_send_ddgst(struct nvme_tcp_request *req)
                return ret;
 
        if (offset + ret == NVME_TCP_DIGEST_LENGTH) {
-               nvme_tcp_done_send_req(queue);
+               if (h2cdata_left)
+                       nvme_tcp_setup_h2c_data_pdu(req);
+               else
+                       nvme_tcp_done_send_req(queue);
                return 1;
        }
 
@@ -1261,6 +1286,7 @@ static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue)
        struct msghdr msg = {};
        struct kvec iov;
        bool ctrl_hdgst, ctrl_ddgst;
+       u32 maxh2cdata;
        int ret;
 
        icreq = kzalloc(sizeof(*icreq), GFP_KERNEL);
@@ -1344,6 +1370,14 @@ static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue)
                goto free_icresp;
        }
 
+       maxh2cdata = le32_to_cpu(icresp->maxdata);
+       if ((maxh2cdata % 4) || (maxh2cdata < NVME_TCP_MIN_MAXH2CDATA)) {
+               pr_err("queue %d: invalid maxh2cdata returned %u\n",
+                      nvme_tcp_queue_id(queue), maxh2cdata);
+               goto free_icresp;
+       }
+       queue->maxh2cdata = maxh2cdata;
+
        ret = 0;
 free_icresp:
        kfree(icresp);
@@ -2329,6 +2363,7 @@ static blk_status_t nvme_tcp_setup_cmd_pdu(struct nvme_ns *ns,
        req->data_sent = 0;
        req->pdu_len = 0;
        req->pdu_sent = 0;
+       req->h2cdata_left = 0;
        req->data_len = blk_rq_nr_phys_segments(rq) ?
                                blk_rq_payload_bytes(rq) : 0;
        req->curr_bio = rq->bio;
index 23a38dc..9fd1602 100644 (file)
@@ -771,7 +771,7 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
 
        if (config->wp_gpio)
                nvmem->wp_gpio = config->wp_gpio;
-       else
+       else if (!config->ignore_wp)
                nvmem->wp_gpio = gpiod_get_optional(config->dev, "wp",
                                                    GPIOD_OUT_HIGH);
        if (IS_ERR(nvmem->wp_gpio)) {
index ad85ff6..ec315b0 100644 (file)
@@ -648,8 +648,8 @@ void __init early_init_fdt_scan_reserved_mem(void)
        }
 
        fdt_scan_reserved_mem();
-       fdt_init_reserved_mem();
        fdt_reserve_elfcorehdr();
+       fdt_init_reserved_mem();
 }
 
 /**
index 7099210..2c2fb16 100644 (file)
@@ -513,24 +513,24 @@ static void __init of_unittest_parse_phandle_with_args(void)
        memset(&args, 0, sizeof(args));
 
        EXPECT_BEGIN(KERN_INFO,
-                    "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
+                    "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1");
 
        rc = of_parse_phandle_with_args(np, "phandle-list-bad-args",
                                        "#phandle-cells", 1, &args);
 
        EXPECT_END(KERN_INFO,
-                  "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
+                  "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1");
 
        unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
 
        EXPECT_BEGIN(KERN_INFO,
-                    "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
+                    "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1");
 
        rc = of_count_phandle_with_args(np, "phandle-list-bad-args",
                                        "#phandle-cells");
 
        EXPECT_END(KERN_INFO,
-                  "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
+                  "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1");
 
        unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
 }
@@ -670,12 +670,12 @@ static void __init of_unittest_parse_phandle_with_args_map(void)
        memset(&args, 0, sizeof(args));
 
        EXPECT_BEGIN(KERN_INFO,
-                    "OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found -1");
+                    "OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found 1");
 
        rc = of_parse_phandle_with_args_map(np, "phandle-list-bad-args",
                                            "phandle", 1, &args);
        EXPECT_END(KERN_INFO,
-                  "OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found -1");
+                  "OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found 1");
 
        unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
 }
@@ -1257,12 +1257,12 @@ static void __init of_unittest_platform_populate(void)
                unittest(pdev, "device 2 creation failed\n");
 
                EXPECT_BEGIN(KERN_INFO,
-                            "platform testcase-data:testcase-device2: IRQ index 0 not found");
+                            "platform testcase-data:testcase-device2: error -ENXIO: IRQ index 0 not found");
 
                irq = platform_get_irq(pdev, 0);
 
                EXPECT_END(KERN_INFO,
-                          "platform testcase-data:testcase-device2: IRQ index 0 not found");
+                          "platform testcase-data:testcase-device2: error -ENXIO: IRQ index 0 not found");
 
                unittest(irq < 0 && irq != -EPROBE_DEFER,
                         "device parsing error failed - %d\n", irq);
index 71258ea..f8e82c5 100644 (file)
@@ -1329,7 +1329,8 @@ static int mvebu_pcie_probe(struct platform_device *pdev)
                 * indirectly via kernel emulated PCI bridge driver.
                 */
                mvebu_pcie_setup_hw(port);
-               mvebu_pcie_set_local_dev_nr(port, 0);
+               mvebu_pcie_set_local_dev_nr(port, 1);
+               mvebu_pcie_set_local_bus_nr(port, 0);
        }
 
        pcie->nports = i;
index cc166c6..eb05cce 100644 (file)
@@ -99,11 +99,13 @@ struct vmd_irq {
  * @srcu:      SRCU struct for local synchronization.
  * @count:     number of child IRQs assigned to this vector; used to track
  *             sharing.
+ * @virq:      The underlying VMD Linux interrupt number
  */
 struct vmd_irq_list {
        struct list_head        irq_list;
        struct srcu_struct      srcu;
        unsigned int            count;
+       unsigned int            virq;
 };
 
 struct vmd_dev {
@@ -253,7 +255,6 @@ static int vmd_msi_init(struct irq_domain *domain, struct msi_domain_info *info,
        struct msi_desc *desc = arg->desc;
        struct vmd_dev *vmd = vmd_from_bus(msi_desc_to_pci_dev(desc)->bus);
        struct vmd_irq *vmdirq = kzalloc(sizeof(*vmdirq), GFP_KERNEL);
-       unsigned int index, vector;
 
        if (!vmdirq)
                return -ENOMEM;
@@ -261,10 +262,8 @@ static int vmd_msi_init(struct irq_domain *domain, struct msi_domain_info *info,
        INIT_LIST_HEAD(&vmdirq->node);
        vmdirq->irq = vmd_next_irq(vmd, desc);
        vmdirq->virq = virq;
-       index = index_from_irqs(vmd, vmdirq->irq);
-       vector = pci_irq_vector(vmd->dev, index);
 
-       irq_domain_set_info(domain, virq, vector, info->chip, vmdirq,
+       irq_domain_set_info(domain, virq, vmdirq->irq->virq, info->chip, vmdirq,
                            handle_untracked_irq, vmd, NULL);
        return 0;
 }
@@ -685,7 +684,8 @@ static int vmd_alloc_irqs(struct vmd_dev *vmd)
                        return err;
 
                INIT_LIST_HEAD(&vmd->irqs[i].irq_list);
-               err = devm_request_irq(&dev->dev, pci_irq_vector(dev, i),
+               vmd->irqs[i].virq = pci_irq_vector(dev, i);
+               err = devm_request_irq(&dev->dev, vmd->irqs[i].virq,
                                       vmd_irq, IRQF_NO_THREAD,
                                       vmd->name, &vmd->irqs[i]);
                if (err)
@@ -969,7 +969,7 @@ static int vmd_suspend(struct device *dev)
        int i;
 
        for (i = 0; i < vmd->msix_count; i++)
-               devm_free_irq(dev, pci_irq_vector(pdev, i), &vmd->irqs[i]);
+               devm_free_irq(dev, vmd->irqs[i].virq, &vmd->irqs[i]);
 
        return 0;
 }
@@ -981,7 +981,7 @@ static int vmd_resume(struct device *dev)
        int err, i;
 
        for (i = 0; i < vmd->msix_count; i++) {
-               err = devm_request_irq(dev, pci_irq_vector(pdev, i),
+               err = devm_request_irq(dev, vmd->irqs[i].virq,
                                       vmd_irq, IRQF_NO_THREAD,
                                       vmd->name, &vmd->irqs[i]);
                if (err)
index d2dd6a6..65f7f6b 100644 (file)
@@ -5344,11 +5344,6 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags);
  */
 static void quirk_amd_harvest_no_ats(struct pci_dev *pdev)
 {
-       if ((pdev->device == 0x7312 && pdev->revision != 0x00) ||
-           (pdev->device == 0x7340 && pdev->revision != 0xc5) ||
-           (pdev->device == 0x7341 && pdev->revision != 0x00))
-               return;
-
        if (pdev->device == 0x15d8) {
                if (pdev->revision == 0xcf &&
                    pdev->subsystem_vendor == 0xea50 &&
@@ -5370,10 +5365,19 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_amd_harvest_no_ats);
 /* AMD Iceland dGPU */
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_amd_harvest_no_ats);
 /* AMD Navi10 dGPU */
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7310, quirk_amd_harvest_no_ats);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7312, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7318, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7319, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x731a, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x731b, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x731e, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x731f, quirk_amd_harvest_no_ats);
 /* AMD Navi14 dGPU */
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7340, quirk_amd_harvest_no_ats);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7341, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7347, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x734f, quirk_amd_harvest_no_ats);
 /* AMD Raven platform iGPU */
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x15d8, quirk_amd_harvest_no_ats);
 #endif /* CONFIG_PCI_ATS */
index 0bcd195..3ddaeff 100644 (file)
@@ -749,7 +749,6 @@ static const struct acpi_device_id tgl_pinctrl_acpi_match[] = {
        { "INT34C5", (kernel_ulong_t)&tgllp_soc_data },
        { "INT34C6", (kernel_ulong_t)&tglh_soc_data },
        { "INTC1055", (kernel_ulong_t)&tgllp_soc_data },
-       { "INTC1057", (kernel_ulong_t)&tgllp_soc_data },
        { }
 };
 MODULE_DEVICE_TABLE(acpi, tgl_pinctrl_acpi_match);
index 49e3268..ecab6bf 100644 (file)
@@ -482,7 +482,7 @@ static int k210_pinconf_get_drive(unsigned int max_strength_ua)
 {
        int i;
 
-       for (i = K210_PC_DRIVE_MAX; i; i--) {
+       for (i = K210_PC_DRIVE_MAX; i >= 0; i--) {
                if (k210_pinconf_drive_strength[i] <= max_strength_ua)
                        return i;
        }
@@ -527,7 +527,7 @@ static int k210_pinconf_set_param(struct pinctrl_dev *pctldev,
        case PIN_CONFIG_BIAS_PULL_UP:
                if (!arg)
                        return -EINVAL;
-               val |= K210_PC_PD;
+               val |= K210_PC_PU;
                break;
        case PIN_CONFIG_DRIVE_STRENGTH:
                arg *= 1000;
index 0b91215..266da41 100644 (file)
@@ -1164,6 +1164,7 @@ static int starfive_irq_set_type(struct irq_data *d, unsigned int trigger)
 }
 
 static struct irq_chip starfive_irq_chip = {
+       .name = "StarFive GPIO",
        .irq_ack = starfive_irq_ack,
        .irq_mask = starfive_irq_mask,
        .irq_mask_ack = starfive_irq_mask_ack,
@@ -1308,7 +1309,6 @@ static int starfive_probe(struct platform_device *pdev)
        sfp->gc.ngpio = NR_GPIOS;
 
        starfive_irq_chip.parent_device = dev;
-       starfive_irq_chip.name = sfp->gc.label;
 
        sfp->gc.irq.chip = &starfive_irq_chip;
        sfp->gc.irq.parent_handler = starfive_gpio_irq_handler;
index abac3ee..444ec81 100644 (file)
@@ -232,14 +232,21 @@ static int mshw0011_bix(struct mshw0011_data *cdata, struct bix *bix)
        }
        bix->last_full_charg_capacity = ret;
 
-       /* get serial number */
+       /*
+        * Get serial number, on some devices (with unofficial replacement
+        * battery?) reading any of the serial number range addresses gets
+        * nacked in this case just leave the serial number empty.
+        */
        ret = i2c_smbus_read_i2c_block_data(client, MSHW0011_BAT0_REG_SERIAL_NO,
                                            sizeof(buf), buf);
-       if (ret != sizeof(buf)) {
+       if (ret == -EREMOTEIO) {
+               /* no serial number available */
+       } else if (ret != sizeof(buf)) {
                dev_err(&client->dev, "Error reading serial no: %d\n", ret);
                return ret;
+       } else {
+               snprintf(bix->serial, ARRAY_SIZE(bix->serial), "%3pE%6pE", buf + 7, buf);
        }
-       snprintf(bix->serial, ARRAY_SIZE(bix->serial), "%3pE%6pE", buf + 7, buf);
 
        /* get cycle count */
        ret = i2c_smbus_read_word_data(client, MSHW0011_BAT0_REG_CYCLE_CNT);
index 4c72ba6..b1103f8 100644 (file)
@@ -21,6 +21,7 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
+#include <linux/pm_qos.h>
 #include <linux/rtc.h>
 #include <linux/suspend.h>
 #include <linux/seq_file.h>
@@ -85,6 +86,9 @@
 #define PMC_MSG_DELAY_MIN_US           50
 #define RESPONSE_REGISTER_LOOP_MAX     20000
 
+/* QoS request for letting CPUs in idle states, but not the deepest */
+#define AMD_PMC_MAX_IDLE_STATE_LATENCY 3
+
 #define SOC_SUBSYSTEM_IP_MAX   12
 #define DELAY_MIN_US           2000
 #define DELAY_MAX_US           3000
@@ -131,6 +135,7 @@ struct amd_pmc_dev {
        struct device *dev;
        struct pci_dev *rdev;
        struct mutex lock; /* generic mutex lock */
+       struct pm_qos_request amd_pmc_pm_qos_req;
 #if IS_ENABLED(CONFIG_DEBUG_FS)
        struct dentry *dbgfs_dir;
 #endif /* CONFIG_DEBUG_FS */
@@ -521,6 +526,14 @@ static int amd_pmc_verify_czn_rtc(struct amd_pmc_dev *pdev, u32 *arg)
        rc = rtc_alarm_irq_enable(rtc_device, 0);
        dev_dbg(pdev->dev, "wakeup timer programmed for %lld seconds\n", duration);
 
+       /*
+        * Prevent CPUs from getting into deep idle states while sending OS_HINT
+        * which is otherwise generally safe to send when at least one of the CPUs
+        * is not in deep idle states.
+        */
+       cpu_latency_qos_update_request(&pdev->amd_pmc_pm_qos_req, AMD_PMC_MAX_IDLE_STATE_LATENCY);
+       wake_up_all_idle_cpus();
+
        return rc;
 }
 
@@ -538,24 +551,31 @@ static int __maybe_unused amd_pmc_suspend(struct device *dev)
        /* Activate CZN specific RTC functionality */
        if (pdev->cpu_id == AMD_CPU_ID_CZN) {
                rc = amd_pmc_verify_czn_rtc(pdev, &arg);
-               if (rc < 0)
-                       return rc;
+               if (rc)
+                       goto fail;
        }
 
        /* Dump the IdleMask before we send hint to SMU */
        amd_pmc_idlemask_read(pdev, dev, NULL);
        msg = amd_pmc_get_os_hint(pdev);
        rc = amd_pmc_send_cmd(pdev, arg, NULL, msg, 0);
-       if (rc)
+       if (rc) {
                dev_err(pdev->dev, "suspend failed\n");
+               goto fail;
+       }
 
        if (enable_stb)
                rc = amd_pmc_write_stb(pdev, AMD_PMC_STB_PREDEF);
-       if (rc) {
+       if (rc) {
                dev_err(pdev->dev, "error writing to STB\n");
-               return rc;
+               goto fail;
        }
 
+       return 0;
+fail:
+       if (pdev->cpu_id == AMD_CPU_ID_CZN)
+               cpu_latency_qos_update_request(&pdev->amd_pmc_pm_qos_req,
+                                               PM_QOS_DEFAULT_VALUE);
        return rc;
 }
 
@@ -579,12 +599,15 @@ static int __maybe_unused amd_pmc_resume(struct device *dev)
        /* Write data incremented by 1 to distinguish in stb_read */
        if (enable_stb)
                rc = amd_pmc_write_stb(pdev, AMD_PMC_STB_PREDEF + 1);
-       if (rc) {
+       if (rc)
                dev_err(pdev->dev, "error writing to STB\n");
-               return rc;
-       }
 
-       return 0;
+       /* Restore the QoS request back to defaults if it was set */
+       if (pdev->cpu_id == AMD_CPU_ID_CZN)
+               cpu_latency_qos_update_request(&pdev->amd_pmc_pm_qos_req,
+                                               PM_QOS_DEFAULT_VALUE);
+
+       return rc;
 }
 
 static const struct dev_pm_ops amd_pmc_pm_ops = {
@@ -722,6 +745,7 @@ static int amd_pmc_probe(struct platform_device *pdev)
        amd_pmc_get_smu_version(dev);
        platform_set_drvdata(pdev, dev);
        amd_pmc_dbgfs_register(dev);
+       cpu_latency_qos_add_request(&dev->amd_pmc_pm_qos_req, PM_QOS_DEFAULT_VALUE);
        return 0;
 
 err_pci_dev_put:
index a3b83b2..2104a26 100644 (file)
@@ -2223,7 +2223,7 @@ static int fan_curve_check_present(struct asus_wmi *asus, bool *available,
 
        err = fan_curve_get_factory_default(asus, fan_dev);
        if (err) {
-               if (err == -ENODEV)
+               if (err == -ENODEV || err == -ENODATA)
                        return 0;
                return err;
        }
index f93d437..525f09a 100644 (file)
@@ -100,7 +100,8 @@ static struct gpiod_lookup_table surface_go_tps68470_gpios = {
        .dev_id = "i2c-INT347A:00",
        .table = {
                GPIO_LOOKUP("tps68470-gpio", 9, "reset", GPIO_ACTIVE_LOW),
-               GPIO_LOOKUP("tps68470-gpio", 7, "powerdown", GPIO_ACTIVE_LOW)
+               GPIO_LOOKUP("tps68470-gpio", 7, "powerdown", GPIO_ACTIVE_LOW),
+               { }
        }
 };
 
index bd04548..3424b08 100644 (file)
@@ -8703,6 +8703,7 @@ static const struct tpacpi_quirk fan_quirk_table[] __initconst = {
        TPACPI_Q_LNV3('N', '4', '0', TPACPI_FAN_2CTL),  /* P1 / X1 Extreme (4nd gen) */
        TPACPI_Q_LNV3('N', '3', '0', TPACPI_FAN_2CTL),  /* P15 (1st gen) / P15v (1st gen) */
        TPACPI_Q_LNV3('N', '3', '2', TPACPI_FAN_2CTL),  /* X1 Carbon (9th gen) */
+       TPACPI_Q_LNV3('N', '3', '7', TPACPI_FAN_2CTL),  /* T15g (2nd gen) */
        TPACPI_Q_LNV3('N', '1', 'O', TPACPI_FAN_NOFAN), /* X1 Tablet (2nd gen) */
 };
 
index 6f21223..eb9df48 100644 (file)
@@ -87,16 +87,16 @@ static struct da9121_range da9121_3A_1phase_current = {
 };
 
 static struct da9121_range da914x_40A_4phase_current = {
-       .val_min = 14000000,
-       .val_max = 80000000,
-       .val_stp =  2000000,
+       .val_min = 26000000,
+       .val_max = 78000000,
+       .val_stp =  4000000,
        .reg_min = 1,
        .reg_max = 14,
 };
 
 static struct da9121_range da914x_20A_2phase_current = {
-       .val_min =  7000000,
-       .val_max = 40000000,
+       .val_min = 13000000,
+       .val_max = 39000000,
        .val_stp =  2000000,
        .reg_min = 1,
        .reg_max = 14,
@@ -561,7 +561,7 @@ static const struct regulator_desc da9217_reg = {
 };
 
 #define DA914X_MIN_MV          500
-#define DA914X_MAX_MV          1000
+#define DA914X_MAX_MV          1300
 #define DA914X_STEP_MV         10
 #define DA914X_MIN_SEL         (DA914X_MIN_MV / DA914X_STEP_MV)
 #define DA914X_N_VOLTAGES      (((DA914X_MAX_MV - DA914X_MIN_MV) / DA914X_STEP_MV) \
@@ -585,10 +585,6 @@ static const struct regulator_desc da9141_reg = {
        .vsel_mask = DA9121_MASK_BUCK_BUCKx_5_CHx_A_VOUT,
        .enable_reg = DA9121_REG_BUCK_BUCK1_0,
        .enable_mask = DA9121_MASK_BUCK_BUCKx_0_CHx_EN,
-       /* Default value of BUCK_BUCK1_0.CH1_SRC_DVC_UP */
-       .ramp_delay = 20000,
-       /* tBUCK_EN */
-       .enable_time = 20,
 };
 
 static const struct regulator_desc da9142_reg = {
index 553b6b9..c6a1bb0 100644 (file)
@@ -585,6 +585,12 @@ static int rockchip_spi_slave_abort(struct spi_controller *ctlr)
 {
        struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
 
+       if (atomic_read(&rs->state) & RXDMA)
+               dmaengine_terminate_sync(ctlr->dma_rx);
+       if (atomic_read(&rs->state) & TXDMA)
+               dmaengine_terminate_sync(ctlr->dma_tx);
+       atomic_set(&rs->state, 0);
+       spi_enable_chip(rs, false);
        rs->slave_abort = true;
        spi_finalize_current_transfer(ctlr);
 
@@ -654,7 +660,7 @@ static int rockchip_spi_probe(struct platform_device *pdev)
        struct spi_controller *ctlr;
        struct resource *mem;
        struct device_node *np = pdev->dev.of_node;
-       u32 rsd_nsecs;
+       u32 rsd_nsecs, num_cs;
        bool slave_mode;
 
        slave_mode = of_property_read_bool(np, "spi-slave");
@@ -764,8 +770,9 @@ static int rockchip_spi_probe(struct platform_device *pdev)
                 * rk spi0 has two native cs, spi1..5 one cs only
                 * if num-cs is missing in the dts, default to 1
                 */
-               if (of_property_read_u16(np, "num-cs", &ctlr->num_chipselect))
-                       ctlr->num_chipselect = 1;
+               if (of_property_read_u32(np, "num-cs", &num_cs))
+                       num_cs = 1;
+               ctlr->num_chipselect = num_cs;
                ctlr->use_gpio_descriptors = true;
        }
        ctlr->dev.of_node = pdev->dev.of_node;
index cfa222c..78f31b6 100644 (file)
@@ -570,6 +570,9 @@ static int zynq_qspi_exec_mem_op(struct spi_mem *mem,
 
        if (op->dummy.nbytes) {
                tmpbuf = kzalloc(op->dummy.nbytes, GFP_KERNEL);
+               if (!tmpbuf)
+                       return -ENOMEM;
+
                memset(tmpbuf, 0xff, op->dummy.nbytes);
                reinit_completion(&xqspi->data_completion);
                xqspi->txbuf = tmpbuf;
index abe9395..861a154 100644 (file)
@@ -144,6 +144,8 @@ static int init_display(struct fbtft_par *par)
 {
        int rc;
 
+       par->fbtftops.reset(par);
+
        rc = init_tearing_effect_line(par);
        if (rc)
                return rc;
index 72acb1f..4f47881 100644 (file)
@@ -404,6 +404,10 @@ static void int3400_notify(acpi_handle handle,
        thermal_prop[3] = kasprintf(GFP_KERNEL, "EVENT=%d", therm_event);
        thermal_prop[4] = NULL;
        kobject_uevent_env(&priv->thermal->device.kobj, KOBJ_CHANGE, thermal_prop);
+       kfree(thermal_prop[0]);
+       kfree(thermal_prop[1]);
+       kfree(thermal_prop[2]);
+       kfree(thermal_prop[3]);
 }
 
 static int int3400_thermal_get_temp(struct thermal_zone_device *thermal,
index 0b1808e..fa92f72 100644 (file)
@@ -439,7 +439,7 @@ static u8 gsm_encode_modem(const struct gsm_dlci *dlci)
                modembits |= MDM_RTR;
        if (dlci->modem_tx & TIOCM_RI)
                modembits |= MDM_IC;
-       if (dlci->modem_tx & TIOCM_CD)
+       if (dlci->modem_tx & TIOCM_CD || dlci->gsm->initiator)
                modembits |= MDM_DV;
        return modembits;
 }
@@ -448,7 +448,7 @@ static u8 gsm_encode_modem(const struct gsm_dlci *dlci)
  *     gsm_print_packet        -       display a frame for debug
  *     @hdr: header to print before decode
  *     @addr: address EA from the frame
- *     @cr: C/R bit from the frame
+ *     @cr: C/R bit seen as initiator
  *     @control: control including PF bit
  *     @data: following data bytes
  *     @dlen: length of data
@@ -548,7 +548,7 @@ static int gsm_stuff_frame(const u8 *input, u8 *output, int len)
  *     gsm_send        -       send a control frame
  *     @gsm: our GSM mux
  *     @addr: address for control frame
- *     @cr: command/response bit
+ *     @cr: command/response bit seen as initiator
  *     @control:  control byte including PF bit
  *
  *     Format up and transmit a control frame. These do not go via the
@@ -563,11 +563,15 @@ static void gsm_send(struct gsm_mux *gsm, int addr, int cr, int control)
        int len;
        u8 cbuf[10];
        u8 ibuf[3];
+       int ocr;
+
+       /* toggle C/R coding if not initiator */
+       ocr = cr ^ (gsm->initiator ? 0 : 1);
 
        switch (gsm->encoding) {
        case 0:
                cbuf[0] = GSM0_SOF;
-               cbuf[1] = (addr << 2) | (cr << 1) | EA;
+               cbuf[1] = (addr << 2) | (ocr << 1) | EA;
                cbuf[2] = control;
                cbuf[3] = EA;   /* Length of data = 0 */
                cbuf[4] = 0xFF - gsm_fcs_add_block(INIT_FCS, cbuf + 1, 3);
@@ -577,7 +581,7 @@ static void gsm_send(struct gsm_mux *gsm, int addr, int cr, int control)
        case 1:
        case 2:
                /* Control frame + packing (but not frame stuffing) in mode 1 */
-               ibuf[0] = (addr << 2) | (cr << 1) | EA;
+               ibuf[0] = (addr << 2) | (ocr << 1) | EA;
                ibuf[1] = control;
                ibuf[2] = 0xFF - gsm_fcs_add_block(INIT_FCS, ibuf, 2);
                /* Stuffing may double the size worst case */
@@ -611,7 +615,7 @@ static void gsm_send(struct gsm_mux *gsm, int addr, int cr, int control)
 
 static inline void gsm_response(struct gsm_mux *gsm, int addr, int control)
 {
-       gsm_send(gsm, addr, 1, control);
+       gsm_send(gsm, addr, 0, control);
 }
 
 /**
@@ -1017,25 +1021,25 @@ static void gsm_control_reply(struct gsm_mux *gsm, int cmd, const u8 *data,
  *     @tty: virtual tty bound to the DLCI
  *     @dlci: DLCI to affect
  *     @modem: modem bits (full EA)
- *     @clen: command length
+ *     @slen: number of signal octets
  *
  *     Used when a modem control message or line state inline in adaption
  *     layer 2 is processed. Sort out the local modem state and throttles
  */
 
 static void gsm_process_modem(struct tty_struct *tty, struct gsm_dlci *dlci,
-                                                       u32 modem, int clen)
+                                                       u32 modem, int slen)
 {
        int  mlines = 0;
        u8 brk = 0;
        int fc;
 
-       /* The modem status command can either contain one octet (v.24 signals)
-          or two octets (v.24 signals + break signals). The length field will
-          either be 2 or 3 respectively. This is specified in section
-          5.4.6.3.7 of the  27.010 mux spec. */
+       /* The modem status command can either contain one octet (V.24 signals)
+        * or two octets (V.24 signals + break signals). This is specified in
+        * section 5.4.6.3.7 of the 07.10 mux spec.
+        */
 
-       if (clen == 2)
+       if (slen == 1)
                modem = modem & 0x7f;
        else {
                brk = modem & 0x7f;
@@ -1092,6 +1096,7 @@ static void gsm_control_modem(struct gsm_mux *gsm, const u8 *data, int clen)
        unsigned int brk = 0;
        struct gsm_dlci *dlci;
        int len = clen;
+       int slen;
        const u8 *dp = data;
        struct tty_struct *tty;
 
@@ -1111,6 +1116,7 @@ static void gsm_control_modem(struct gsm_mux *gsm, const u8 *data, int clen)
                return;
        dlci = gsm->dlci[addr];
 
+       slen = len;
        while (gsm_read_ea(&modem, *dp++) == 0) {
                len--;
                if (len == 0)
@@ -1127,7 +1133,7 @@ static void gsm_control_modem(struct gsm_mux *gsm, const u8 *data, int clen)
                modem |= (brk & 0x7f);
        }
        tty = tty_port_tty_get(&dlci->port);
-       gsm_process_modem(tty, dlci, modem, clen);
+       gsm_process_modem(tty, dlci, modem, slen);
        if (tty) {
                tty_wakeup(tty);
                tty_kref_put(tty);
@@ -1451,6 +1457,9 @@ static void gsm_dlci_close(struct gsm_dlci *dlci)
        if (dlci->addr != 0) {
                tty_port_tty_hangup(&dlci->port, false);
                kfifo_reset(&dlci->fifo);
+               /* Ensure that gsmtty_open() can return. */
+               tty_port_set_initialized(&dlci->port, 0);
+               wake_up_interruptible(&dlci->port.open_wait);
        } else
                dlci->gsm->dead = true;
        /* Unregister gsmtty driver,report gsmtty dev remove uevent for user */
@@ -1514,7 +1523,7 @@ static void gsm_dlci_t1(struct timer_list *t)
                        dlci->mode = DLCI_MODE_ADM;
                        gsm_dlci_open(dlci);
                } else {
-                       gsm_dlci_close(dlci);
+                       gsm_dlci_begin_close(dlci); /* prevent half open link */
                }
 
                break;
@@ -1593,6 +1602,7 @@ static void gsm_dlci_data(struct gsm_dlci *dlci, const u8 *data, int clen)
        struct tty_struct *tty;
        unsigned int modem = 0;
        int len = clen;
+       int slen = 0;
 
        if (debug & 16)
                pr_debug("%d bytes for tty\n", len);
@@ -1605,12 +1615,14 @@ static void gsm_dlci_data(struct gsm_dlci *dlci, const u8 *data, int clen)
        case 2:         /* Asynchronous serial with line state in each frame */
                while (gsm_read_ea(&modem, *data++) == 0) {
                        len--;
+                       slen++;
                        if (len == 0)
                                return;
                }
+               slen++;
                tty = tty_port_tty_get(port);
                if (tty) {
-                       gsm_process_modem(tty, dlci, modem, clen);
+                       gsm_process_modem(tty, dlci, modem, slen);
                        tty_kref_put(tty);
                }
                fallthrough;
@@ -1748,7 +1760,12 @@ static void gsm_dlci_release(struct gsm_dlci *dlci)
                gsm_destroy_network(dlci);
                mutex_unlock(&dlci->mutex);
 
-               tty_hangup(tty);
+               /* We cannot use tty_hangup() because in tty_kref_put() the tty
+                * driver assumes that the hangup queue is free and reuses it to
+                * queue release_one_tty() -> NULL pointer panic in
+                * process_one_work().
+                */
+               tty_vhangup(tty);
 
                tty_port_tty_set(&dlci->port, NULL);
                tty_kref_put(tty);
@@ -1800,10 +1817,10 @@ static void gsm_queue(struct gsm_mux *gsm)
                goto invalid;
 
        cr = gsm->address & 1;          /* C/R bit */
+       cr ^= gsm->initiator ? 0 : 1;   /* Flip so 1 always means command */
 
        gsm_print_packet("<--", address, cr, gsm->control, gsm->buf, gsm->len);
 
-       cr ^= 1 - gsm->initiator;       /* Flip so 1 always means command */
        dlci = gsm->dlci[address];
 
        switch (gsm->control) {
@@ -3234,9 +3251,9 @@ static void gsmtty_throttle(struct tty_struct *tty)
        if (dlci->state == DLCI_CLOSED)
                return;
        if (C_CRTSCTS(tty))
-               dlci->modem_tx &= ~TIOCM_DTR;
+               dlci->modem_tx &= ~TIOCM_RTS;
        dlci->throttled = true;
-       /* Send an MSC with DTR cleared */
+       /* Send an MSC with RTS cleared */
        gsmtty_modem_update(dlci, 0);
 }
 
@@ -3246,9 +3263,9 @@ static void gsmtty_unthrottle(struct tty_struct *tty)
        if (dlci->state == DLCI_CLOSED)
                return;
        if (C_CRTSCTS(tty))
-               dlci->modem_tx |= TIOCM_DTR;
+               dlci->modem_tx |= TIOCM_RTS;
        dlci->throttled = false;
-       /* Send an MSC with DTR set */
+       /* Send an MSC with RTS set */
        gsmtty_modem_update(dlci, 0);
 }
 
index 64e7e6c..38d1c07 100644 (file)
@@ -734,12 +734,15 @@ static irqreturn_t sc16is7xx_irq(int irq, void *dev_id)
 static void sc16is7xx_tx_proc(struct kthread_work *ws)
 {
        struct uart_port *port = &(to_sc16is7xx_one(ws, tx_work)->port);
+       struct sc16is7xx_port *s = dev_get_drvdata(port->dev);
 
        if ((port->rs485.flags & SER_RS485_ENABLED) &&
            (port->rs485.delay_rts_before_send > 0))
                msleep(port->rs485.delay_rts_before_send);
 
+       mutex_lock(&s->efr_lock);
        sc16is7xx_handle_tx(port);
+       mutex_unlock(&s->efr_lock);
 }
 
 static void sc16is7xx_reconf_rs485(struct uart_port *port)
index 8a63da3..88c337b 100644 (file)
@@ -1418,6 +1418,7 @@ void dwc2_hsotg_core_connect(struct dwc2_hsotg *hsotg);
 void dwc2_hsotg_disconnect(struct dwc2_hsotg *dwc2);
 int dwc2_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode);
 #define dwc2_is_device_connected(hsotg) (hsotg->connected)
+#define dwc2_is_device_enabled(hsotg) (hsotg->enabled)
 int dwc2_backup_device_registers(struct dwc2_hsotg *hsotg);
 int dwc2_restore_device_registers(struct dwc2_hsotg *hsotg, int remote_wakeup);
 int dwc2_gadget_enter_hibernation(struct dwc2_hsotg *hsotg);
@@ -1454,6 +1455,7 @@ static inline int dwc2_hsotg_set_test_mode(struct dwc2_hsotg *hsotg,
                                           int testmode)
 { return 0; }
 #define dwc2_is_device_connected(hsotg) (0)
+#define dwc2_is_device_enabled(hsotg) (0)
 static inline int dwc2_backup_device_registers(struct dwc2_hsotg *hsotg)
 { return 0; }
 static inline int dwc2_restore_device_registers(struct dwc2_hsotg *hsotg,
index 1b39c47..d8d6493 100644 (file)
@@ -130,8 +130,10 @@ static int dwc2_drd_role_sw_set(struct usb_role_switch *sw, enum usb_role role)
                already = dwc2_ovr_avalid(hsotg, true);
        } else if (role == USB_ROLE_DEVICE) {
                already = dwc2_ovr_bvalid(hsotg, true);
-               /* This clear DCTL.SFTDISCON bit */
-               dwc2_hsotg_core_connect(hsotg);
+               if (dwc2_is_device_enabled(hsotg)) {
+                       /* This clear DCTL.SFTDISCON bit */
+                       dwc2_hsotg_core_connect(hsotg);
+               }
        } else {
                if (dwc2_is_device_mode(hsotg)) {
                        if (!dwc2_ovr_bvalid(hsotg, false))
index 7ff8fc8..06d0e88 100644 (file)
@@ -43,6 +43,7 @@
 #define PCI_DEVICE_ID_INTEL_ADLP               0x51ee
 #define PCI_DEVICE_ID_INTEL_ADLM               0x54ee
 #define PCI_DEVICE_ID_INTEL_ADLS               0x7ae1
+#define PCI_DEVICE_ID_INTEL_RPLS               0x7a61
 #define PCI_DEVICE_ID_INTEL_TGL                        0x9a15
 #define PCI_DEVICE_ID_AMD_MR                   0x163a
 
@@ -85,8 +86,8 @@ static const struct acpi_gpio_mapping acpi_dwc3_byt_gpios[] = {
 static struct gpiod_lookup_table platform_bytcr_gpios = {
        .dev_id         = "0000:00:16.0",
        .table          = {
-               GPIO_LOOKUP("INT33FC:00", 54, "reset", GPIO_ACTIVE_HIGH),
-               GPIO_LOOKUP("INT33FC:02", 14, "cs", GPIO_ACTIVE_HIGH),
+               GPIO_LOOKUP("INT33FC:00", 54, "cs", GPIO_ACTIVE_HIGH),
+               GPIO_LOOKUP("INT33FC:02", 14, "reset", GPIO_ACTIVE_HIGH),
                {}
        },
 };
@@ -119,6 +120,13 @@ static const struct property_entry dwc3_pci_intel_properties[] = {
        {}
 };
 
+static const struct property_entry dwc3_pci_intel_byt_properties[] = {
+       PROPERTY_ENTRY_STRING("dr_mode", "peripheral"),
+       PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
+       PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
+       {}
+};
+
 static const struct property_entry dwc3_pci_mrfld_properties[] = {
        PROPERTY_ENTRY_STRING("dr_mode", "otg"),
        PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"),
@@ -161,6 +169,10 @@ static const struct software_node dwc3_pci_intel_swnode = {
        .properties = dwc3_pci_intel_properties,
 };
 
+static const struct software_node dwc3_pci_intel_byt_swnode = {
+       .properties = dwc3_pci_intel_byt_properties,
+};
+
 static const struct software_node dwc3_pci_intel_mrfld_swnode = {
        .properties = dwc3_pci_mrfld_properties,
 };
@@ -344,7 +356,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
          (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BYT),
-         (kernel_ulong_t) &dwc3_pci_intel_swnode, },
+         (kernel_ulong_t) &dwc3_pci_intel_byt_swnode, },
 
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD),
          (kernel_ulong_t) &dwc3_pci_intel_mrfld_swnode, },
@@ -409,6 +421,9 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLS),
          (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
+       { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_RPLS),
+         (kernel_ulong_t) &dwc3_pci_intel_swnode, },
+
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGL),
          (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
index 183b909..a0c883f 100644 (file)
@@ -4160,9 +4160,11 @@ static irqreturn_t dwc3_thread_interrupt(int irq, void *_evt)
        unsigned long flags;
        irqreturn_t ret = IRQ_NONE;
 
+       local_bh_disable();
        spin_lock_irqsave(&dwc->lock, flags);
        ret = dwc3_process_event_buf(evt);
        spin_unlock_irqrestore(&dwc->lock, flags);
+       local_bh_enable();
 
        return ret;
 }
index b7ccf18..00b3f6b 100644 (file)
@@ -922,6 +922,7 @@ struct rndis_params *rndis_register(void (*resp_avail)(void *v), void *v)
        params->resp_avail = resp_avail;
        params->v = v;
        INIT_LIST_HEAD(&params->resp_queue);
+       spin_lock_init(&params->resp_lock);
        pr_debug("%s: configNr = %d\n", __func__, i);
 
        return params;
@@ -1015,12 +1016,14 @@ void rndis_free_response(struct rndis_params *params, u8 *buf)
 {
        rndis_resp_t *r, *n;
 
+       spin_lock(&params->resp_lock);
        list_for_each_entry_safe(r, n, &params->resp_queue, list) {
                if (r->buf == buf) {
                        list_del(&r->list);
                        kfree(r);
                }
        }
+       spin_unlock(&params->resp_lock);
 }
 EXPORT_SYMBOL_GPL(rndis_free_response);
 
@@ -1030,14 +1033,17 @@ u8 *rndis_get_next_response(struct rndis_params *params, u32 *length)
 
        if (!length) return NULL;
 
+       spin_lock(&params->resp_lock);
        list_for_each_entry_safe(r, n, &params->resp_queue, list) {
                if (!r->send) {
                        r->send = 1;
                        *length = r->length;
+                       spin_unlock(&params->resp_lock);
                        return r->buf;
                }
        }
 
+       spin_unlock(&params->resp_lock);
        return NULL;
 }
 EXPORT_SYMBOL_GPL(rndis_get_next_response);
@@ -1054,7 +1060,9 @@ static rndis_resp_t *rndis_add_response(struct rndis_params *params, u32 length)
        r->length = length;
        r->send = 0;
 
+       spin_lock(&params->resp_lock);
        list_add_tail(&r->list, &params->resp_queue);
+       spin_unlock(&params->resp_lock);
        return r;
 }
 
index f6167f7..6206b8b 100644 (file)
@@ -174,6 +174,7 @@ typedef struct rndis_params {
        void                    (*resp_avail)(void *v);
        void                    *v;
        struct list_head        resp_queue;
+       spinlock_t              resp_lock;
 } rndis_params;
 
 /* RNDIS Message parser and other useless functions */
index 6ce886f..2907fad 100644 (file)
@@ -1615,6 +1615,8 @@ static void xudc_getstatus(struct xusb_udc *udc)
                break;
        case USB_RECIP_ENDPOINT:
                epnum = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK;
+               if (epnum >= XUSB_MAX_ENDPOINTS)
+                       goto stall;
                target_ep = &udc->ep[epnum];
                epcfgreg = udc->read_fn(udc->addr + target_ep->offset);
                halt = epcfgreg & XUSB_EP_CFG_STALL_MASK;
@@ -1682,6 +1684,10 @@ static void xudc_set_clear_feature(struct xusb_udc *udc)
        case USB_RECIP_ENDPOINT:
                if (!udc->setup.wValue) {
                        endpoint = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK;
+                       if (endpoint >= XUSB_MAX_ENDPOINTS) {
+                               xudc_ep0_stall(udc);
+                               return;
+                       }
                        target_ep = &udc->ep[endpoint];
                        outinbit = udc->setup.wIndex & USB_ENDPOINT_DIR_MASK;
                        outinbit = outinbit >> 7;
index dc357ca..2d37854 100644 (file)
@@ -1091,6 +1091,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
        int                     retval = 0;
        bool                    comp_timer_running = false;
        bool                    pending_portevent = false;
+       bool                    reinit_xhc = false;
 
        if (!hcd->state)
                return 0;
@@ -1107,10 +1108,11 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
        set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
 
        spin_lock_irq(&xhci->lock);
-       if ((xhci->quirks & XHCI_RESET_ON_RESUME) || xhci->broken_suspend)
-               hibernated = true;
 
-       if (!hibernated) {
+       if (hibernated || xhci->quirks & XHCI_RESET_ON_RESUME || xhci->broken_suspend)
+               reinit_xhc = true;
+
+       if (!reinit_xhc) {
                /*
                 * Some controllers might lose power during suspend, so wait
                 * for controller not ready bit to clear, just as in xHC init.
@@ -1143,12 +1145,17 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
                        spin_unlock_irq(&xhci->lock);
                        return -ETIMEDOUT;
                }
-               temp = readl(&xhci->op_regs->status);
        }
 
-       /* If restore operation fails, re-initialize the HC during resume */
-       if ((temp & STS_SRE) || hibernated) {
+       temp = readl(&xhci->op_regs->status);
 
+       /* re-initialize the HC on Restore Error, or Host Controller Error */
+       if (temp & (STS_SRE | STS_HCE)) {
+               reinit_xhc = true;
+               xhci_warn(xhci, "xHC error in resume, USBSTS 0x%x, Reinit\n", temp);
+       }
+
+       if (reinit_xhc) {
                if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
                                !(xhci_all_ports_seen_u0(xhci))) {
                        del_timer_sync(&xhci->comp_mode_recovery_timer);
@@ -1604,9 +1611,12 @@ static int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag
        struct urb_priv *urb_priv;
        int num_tds;
 
-       if (!urb || xhci_check_args(hcd, urb->dev, urb->ep,
-                                       true, true, __func__) <= 0)
+       if (!urb)
                return -EINVAL;
+       ret = xhci_check_args(hcd, urb->dev, urb->ep,
+                                       true, true, __func__);
+       if (ret <= 0)
+               return ret ? ret : -EINVAL;
 
        slot_id = urb->dev->slot_id;
        ep_index = xhci_get_endpoint_index(&urb->ep->desc);
@@ -3323,7 +3333,7 @@ static int xhci_check_streams_endpoint(struct xhci_hcd *xhci,
                return -EINVAL;
        ret = xhci_check_args(xhci_to_hcd(xhci), udev, ep, 1, true, __func__);
        if (ret <= 0)
-               return -EINVAL;
+               return ret ? ret : -EINVAL;
        if (usb_ss_max_streams(&ep->ss_ep_comp) == 0) {
                xhci_warn(xhci, "WARN: SuperSpeed Endpoint Companion"
                                " descriptor for ep 0x%x does not support streams\n",
index 58cba8e..2798fca 100644 (file)
@@ -81,7 +81,6 @@
 #define CH341_QUIRK_SIMULATE_BREAK     BIT(1)
 
 static const struct usb_device_id id_table[] = {
-       { USB_DEVICE(0x1a86, 0x5512) },
        { USB_DEVICE(0x1a86, 0x5523) },
        { USB_DEVICE(0x1a86, 0x7522) },
        { USB_DEVICE(0x1a86, 0x7523) },
index 962e994..e7755d9 100644 (file)
@@ -198,6 +198,8 @@ static void option_instat_callback(struct urb *urb);
 
 #define DELL_PRODUCT_5821E                     0x81d7
 #define DELL_PRODUCT_5821E_ESIM                        0x81e0
+#define DELL_PRODUCT_5829E_ESIM                        0x81e4
+#define DELL_PRODUCT_5829E                     0x81e6
 
 #define KYOCERA_VENDOR_ID                      0x0c88
 #define KYOCERA_PRODUCT_KPC650                 0x17da
@@ -1063,6 +1065,10 @@ static const struct usb_device_id option_ids[] = {
          .driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
        { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5821E_ESIM),
          .driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
+       { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5829E),
+         .driver_info = RSVD(0) | RSVD(6) },
+       { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5829E_ESIM),
+         .driver_info = RSVD(0) | RSVD(6) },
        { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },   /* ADU-E100, ADU-310 */
        { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
        { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
@@ -1273,10 +1279,16 @@ static const struct usb_device_id option_ids[] = {
          .driver_info = NCTRL(2) },
        { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7011, 0xff),    /* Telit LE910-S1 (ECM) */
          .driver_info = NCTRL(2) },
+       { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x701a, 0xff),    /* Telit LE910R1 (RNDIS) */
+         .driver_info = NCTRL(2) },
+       { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x701b, 0xff),    /* Telit LE910R1 (ECM) */
+         .driver_info = NCTRL(2) },
        { USB_DEVICE(TELIT_VENDOR_ID, 0x9010),                          /* Telit SBL FN980 flashing device */
          .driver_info = NCTRL(0) | ZLP },
        { USB_DEVICE(TELIT_VENDOR_ID, 0x9200),                          /* Telit LE910S1 flashing device */
          .driver_info = NCTRL(0) | ZLP },
+       { USB_DEVICE(TELIT_VENDOR_ID, 0x9201),                          /* Telit LE910R1 flashing device */
+         .driver_info = NCTRL(0) | ZLP },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff),
          .driver_info = RSVD(1) },
index 6d27a5b..7ffcda9 100644 (file)
@@ -761,12 +761,12 @@ static int tps6598x_probe(struct i2c_client *client)
 
        ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
        if (ret < 0)
-               return ret;
+               goto err_clear_mask;
        trace_tps6598x_status(status);
 
        ret = tps6598x_read32(tps, TPS_REG_SYSTEM_CONF, &conf);
        if (ret < 0)
-               return ret;
+               goto err_clear_mask;
 
        /*
         * This fwnode has a "compatible" property, but is never populated as a
@@ -855,7 +855,8 @@ err_role_put:
        usb_role_switch_put(tps->role_sw);
 err_fwnode_put:
        fwnode_handle_put(fwnode);
-
+err_clear_mask:
+       tps6598x_write64(tps, TPS_REG_INT_MASK1, 0);
        return ret;
 }
 
index d6ca1c7..37f0b42 100644 (file)
@@ -629,16 +629,18 @@ err:
        return ret;
 }
 
-static int vhost_vsock_stop(struct vhost_vsock *vsock)
+static int vhost_vsock_stop(struct vhost_vsock *vsock, bool check_owner)
 {
        size_t i;
-       int ret;
+       int ret = 0;
 
        mutex_lock(&vsock->dev.mutex);
 
-       ret = vhost_dev_check_owner(&vsock->dev);
-       if (ret)
-               goto err;
+       if (check_owner) {
+               ret = vhost_dev_check_owner(&vsock->dev);
+               if (ret)
+                       goto err;
+       }
 
        for (i = 0; i < ARRAY_SIZE(vsock->vqs); i++) {
                struct vhost_virtqueue *vq = &vsock->vqs[i];
@@ -753,7 +755,12 @@ static int vhost_vsock_dev_release(struct inode *inode, struct file *file)
         * inefficient.  Room for improvement here. */
        vsock_for_each_connected_socket(vhost_vsock_reset_orphans);
 
-       vhost_vsock_stop(vsock);
+       /* Don't check the owner, because we are in the release path, so we
+        * need to stop the vsock device in any case.
+        * vhost_vsock_stop() can not fail in this case, so we don't need to
+        * check the return code.
+        */
+       vhost_vsock_stop(vsock, false);
        vhost_vsock_flush(vsock);
        vhost_dev_stop(&vsock->dev);
 
@@ -868,7 +875,7 @@ static long vhost_vsock_dev_ioctl(struct file *f, unsigned int ioctl,
                if (start)
                        return vhost_vsock_start(vsock);
                else
-                       return vhost_vsock_stop(vsock);
+                       return vhost_vsock_stop(vsock, true);
        case VHOST_GET_FEATURES:
                features = VHOST_VSOCK_FEATURES;
                if (copy_to_user(argp, &features, sizeof(features)))
index 8992e00..947f047 100644 (file)
@@ -3291,7 +3291,7 @@ void btrfs_exclop_balance(struct btrfs_fs_info *fs_info,
 int __init btrfs_auto_defrag_init(void);
 void __cold btrfs_auto_defrag_exit(void);
 int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
-                          struct btrfs_inode *inode);
+                          struct btrfs_inode *inode, u32 extent_thresh);
 int btrfs_run_defrag_inodes(struct btrfs_fs_info *fs_info);
 void btrfs_cleanup_defrag_inodes(struct btrfs_fs_info *fs_info);
 int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
index 5a36add..c28cedd 100644 (file)
@@ -261,6 +261,7 @@ static void try_merge_map(struct extent_map_tree *tree, struct extent_map *em)
                        em->mod_len = (em->mod_len + em->mod_start) - merge->mod_start;
                        em->mod_start = merge->mod_start;
                        em->generation = max(em->generation, merge->generation);
+                       set_bit(EXTENT_FLAG_MERGED, &em->flags);
 
                        rb_erase_cached(&merge->rb_node, &tree->map);
                        RB_CLEAR_NODE(&merge->rb_node);
@@ -278,6 +279,7 @@ static void try_merge_map(struct extent_map_tree *tree, struct extent_map *em)
                RB_CLEAR_NODE(&merge->rb_node);
                em->mod_len = (merge->mod_start + merge->mod_len) - em->mod_start;
                em->generation = max(em->generation, merge->generation);
+               set_bit(EXTENT_FLAG_MERGED, &em->flags);
                free_extent_map(merge);
        }
 }
index 8e21733..d2fa32f 100644 (file)
@@ -25,6 +25,8 @@ enum {
        EXTENT_FLAG_FILLING,
        /* filesystem extent mapping type */
        EXTENT_FLAG_FS_MAPPING,
+       /* This em is merged from two or more physically adjacent ems */
+       EXTENT_FLAG_MERGED,
 };
 
 struct extent_map {
@@ -40,6 +42,12 @@ struct extent_map {
        u64 ram_bytes;
        u64 block_start;
        u64 block_len;
+
+       /*
+        * Generation of the extent map, for merged em it's the highest
+        * generation of all merged ems.
+        * For non-merged extents, it's from btrfs_file_extent_item::generation.
+        */
        u64 generation;
        unsigned long flags;
        /* Used for chunk mappings, flag EXTENT_FLAG_FS_MAPPING must be set */
index 11204db..a0179cc 100644 (file)
@@ -50,11 +50,14 @@ struct inode_defrag {
        /* root objectid */
        u64 root;
 
-       /* last offset we were able to defrag */
-       u64 last_offset;
-
-       /* if we've wrapped around back to zero once already */
-       int cycled;
+       /*
+        * The extent size threshold for autodefrag.
+        *
+        * This value is different for compressed/non-compressed extents,
+        * thus needs to be passed from higher layer.
+        * (aka, inode_should_defrag())
+        */
+       u32 extent_thresh;
 };
 
 static int __compare_inode_defrag(struct inode_defrag *defrag1,
@@ -107,8 +110,8 @@ static int __btrfs_add_inode_defrag(struct btrfs_inode *inode,
                         */
                        if (defrag->transid < entry->transid)
                                entry->transid = defrag->transid;
-                       if (defrag->last_offset > entry->last_offset)
-                               entry->last_offset = defrag->last_offset;
+                       entry->extent_thresh = min(defrag->extent_thresh,
+                                                  entry->extent_thresh);
                        return -EEXIST;
                }
        }
@@ -134,7 +137,7 @@ static inline int __need_auto_defrag(struct btrfs_fs_info *fs_info)
  * enabled
  */
 int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
-                          struct btrfs_inode *inode)
+                          struct btrfs_inode *inode, u32 extent_thresh)
 {
        struct btrfs_root *root = inode->root;
        struct btrfs_fs_info *fs_info = root->fs_info;
@@ -160,6 +163,7 @@ int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
        defrag->ino = btrfs_ino(inode);
        defrag->transid = transid;
        defrag->root = root->root_key.objectid;
+       defrag->extent_thresh = extent_thresh;
 
        spin_lock(&fs_info->defrag_inodes_lock);
        if (!test_bit(BTRFS_INODE_IN_DEFRAG, &inode->runtime_flags)) {
@@ -178,34 +182,6 @@ int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
        return 0;
 }
 
-/*
- * Requeue the defrag object. If there is a defrag object that points to
- * the same inode in the tree, we will merge them together (by
- * __btrfs_add_inode_defrag()) and free the one that we want to requeue.
- */
-static void btrfs_requeue_inode_defrag(struct btrfs_inode *inode,
-                                      struct inode_defrag *defrag)
-{
-       struct btrfs_fs_info *fs_info = inode->root->fs_info;
-       int ret;
-
-       if (!__need_auto_defrag(fs_info))
-               goto out;
-
-       /*
-        * Here we don't check the IN_DEFRAG flag, because we need merge
-        * them together.
-        */
-       spin_lock(&fs_info->defrag_inodes_lock);
-       ret = __btrfs_add_inode_defrag(inode, defrag);
-       spin_unlock(&fs_info->defrag_inodes_lock);
-       if (ret)
-               goto out;
-       return;
-out:
-       kmem_cache_free(btrfs_inode_defrag_cachep, defrag);
-}
-
 /*
  * pick the defragable inode that we want, if it doesn't exist, we will get
  * the next one.
@@ -278,8 +254,14 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info,
        struct btrfs_root *inode_root;
        struct inode *inode;
        struct btrfs_ioctl_defrag_range_args range;
-       int num_defrag;
-       int ret;
+       int ret = 0;
+       u64 cur = 0;
+
+again:
+       if (test_bit(BTRFS_FS_STATE_REMOUNTING, &fs_info->fs_state))
+               goto cleanup;
+       if (!__need_auto_defrag(fs_info))
+               goto cleanup;
 
        /* get the inode */
        inode_root = btrfs_get_fs_root(fs_info, defrag->root, true);
@@ -295,39 +277,30 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info,
                goto cleanup;
        }
 
+       if (cur >= i_size_read(inode)) {
+               iput(inode);
+               goto cleanup;
+       }
+
        /* do a chunk of defrag */
        clear_bit(BTRFS_INODE_IN_DEFRAG, &BTRFS_I(inode)->runtime_flags);
        memset(&range, 0, sizeof(range));
        range.len = (u64)-1;
-       range.start = defrag->last_offset;
+       range.start = cur;
+       range.extent_thresh = defrag->extent_thresh;
 
        sb_start_write(fs_info->sb);
-       num_defrag = btrfs_defrag_file(inode, NULL, &range, defrag->transid,
+       ret = btrfs_defrag_file(inode, NULL, &range, defrag->transid,
                                       BTRFS_DEFRAG_BATCH);
        sb_end_write(fs_info->sb);
-       /*
-        * if we filled the whole defrag batch, there
-        * must be more work to do.  Queue this defrag
-        * again
-        */
-       if (num_defrag == BTRFS_DEFRAG_BATCH) {
-               defrag->last_offset = range.start;
-               btrfs_requeue_inode_defrag(BTRFS_I(inode), defrag);
-       } else if (defrag->last_offset && !defrag->cycled) {
-               /*
-                * we didn't fill our defrag batch, but
-                * we didn't start at zero.  Make sure we loop
-                * around to the start of the file.
-                */
-               defrag->last_offset = 0;
-               defrag->cycled = 1;
-               btrfs_requeue_inode_defrag(BTRFS_I(inode), defrag);
-       } else {
-               kmem_cache_free(btrfs_inode_defrag_cachep, defrag);
-       }
-
        iput(inode);
-       return 0;
+
+       if (ret < 0)
+               goto cleanup;
+
+       cur = max(cur + fs_info->sectorsize, range.start);
+       goto again;
+
 cleanup:
        kmem_cache_free(btrfs_inode_defrag_cachep, defrag);
        return ret;
index 3b2403b..76e530f 100644 (file)
@@ -560,12 +560,12 @@ static inline int inode_need_compress(struct btrfs_inode *inode, u64 start,
 }
 
 static inline void inode_should_defrag(struct btrfs_inode *inode,
-               u64 start, u64 end, u64 num_bytes, u64 small_write)
+               u64 start, u64 end, u64 num_bytes, u32 small_write)
 {
        /* If this is a small write inside eof, kick off a defrag */
        if (num_bytes < small_write &&
            (start > 0 || end + 1 < inode->disk_i_size))
-               btrfs_add_inode_defrag(NULL, inode);
+               btrfs_add_inode_defrag(NULL, inode, small_write);
 }
 
 /*
index 927771d..8d47ec5 100644 (file)
@@ -1012,8 +1012,155 @@ out:
        return ret;
 }
 
+/*
+ * Defrag specific helper to get an extent map.
+ *
+ * Differences between this and btrfs_get_extent() are:
+ *
+ * - No extent_map will be added to inode->extent_tree
+ *   To reduce memory usage in the long run.
+ *
+ * - Extra optimization to skip file extents older than @newer_than
+ *   By using btrfs_search_forward() we can skip entire file ranges that
+ *   have extents created in past transactions, because btrfs_search_forward()
+ *   will not visit leaves and nodes with a generation smaller than given
+ *   minimal generation threshold (@newer_than).
+ *
+ * Return valid em if we find a file extent matching the requirement.
+ * Return NULL if we can not find a file extent matching the requirement.
+ *
+ * Return ERR_PTR() for error.
+ */
+static struct extent_map *defrag_get_extent(struct btrfs_inode *inode,
+                                           u64 start, u64 newer_than)
+{
+       struct btrfs_root *root = inode->root;
+       struct btrfs_file_extent_item *fi;
+       struct btrfs_path path = { 0 };
+       struct extent_map *em;
+       struct btrfs_key key;
+       u64 ino = btrfs_ino(inode);
+       int ret;
+
+       em = alloc_extent_map();
+       if (!em) {
+               ret = -ENOMEM;
+               goto err;
+       }
+
+       key.objectid = ino;
+       key.type = BTRFS_EXTENT_DATA_KEY;
+       key.offset = start;
+
+       if (newer_than) {
+               ret = btrfs_search_forward(root, &key, &path, newer_than);
+               if (ret < 0)
+                       goto err;
+               /* Can't find anything newer */
+               if (ret > 0)
+                       goto not_found;
+       } else {
+               ret = btrfs_search_slot(NULL, root, &key, &path, 0, 0);
+               if (ret < 0)
+                       goto err;
+       }
+       if (path.slots[0] >= btrfs_header_nritems(path.nodes[0])) {
+               /*
+                * If btrfs_search_slot() makes path to point beyond nritems,
+                * we should not have an empty leaf, as this inode must at
+                * least have its INODE_ITEM.
+                */
+               ASSERT(btrfs_header_nritems(path.nodes[0]));
+               path.slots[0] = btrfs_header_nritems(path.nodes[0]) - 1;
+       }
+       btrfs_item_key_to_cpu(path.nodes[0], &key, path.slots[0]);
+       /* Perfect match, no need to go one slot back */
+       if (key.objectid == ino && key.type == BTRFS_EXTENT_DATA_KEY &&
+           key.offset == start)
+               goto iterate;
+
+       /* We didn't find a perfect match, needs to go one slot back */
+       if (path.slots[0] > 0) {
+               btrfs_item_key_to_cpu(path.nodes[0], &key, path.slots[0]);
+               if (key.objectid == ino && key.type == BTRFS_EXTENT_DATA_KEY)
+                       path.slots[0]--;
+       }
+
+iterate:
+       /* Iterate through the path to find a file extent covering @start */
+       while (true) {
+               u64 extent_end;
+
+               if (path.slots[0] >= btrfs_header_nritems(path.nodes[0]))
+                       goto next;
+
+               btrfs_item_key_to_cpu(path.nodes[0], &key, path.slots[0]);
+
+               /*
+                * We may go one slot back to INODE_REF/XATTR item, then
+                * need to go forward until we reach an EXTENT_DATA.
+                * But we should still has the correct ino as key.objectid.
+                */
+               if (WARN_ON(key.objectid < ino) || key.type < BTRFS_EXTENT_DATA_KEY)
+                       goto next;
+
+               /* It's beyond our target range, definitely not extent found */
+               if (key.objectid > ino || key.type > BTRFS_EXTENT_DATA_KEY)
+                       goto not_found;
+
+               /*
+                *      |       |<- File extent ->|
+                *      \- start
+                *
+                * This means there is a hole between start and key.offset.
+                */
+               if (key.offset > start) {
+                       em->start = start;
+                       em->orig_start = start;
+                       em->block_start = EXTENT_MAP_HOLE;
+                       em->len = key.offset - start;
+                       break;
+               }
+
+               fi = btrfs_item_ptr(path.nodes[0], path.slots[0],
+                                   struct btrfs_file_extent_item);
+               extent_end = btrfs_file_extent_end(&path);
+
+               /*
+                *      |<- file extent ->|     |
+                *                              \- start
+                *
+                * We haven't reached start, search next slot.
+                */
+               if (extent_end <= start)
+                       goto next;
+
+               /* Now this extent covers @start, convert it to em */
+               btrfs_extent_item_to_extent_map(inode, &path, fi, false, em);
+               break;
+next:
+               ret = btrfs_next_item(root, &path);
+               if (ret < 0)
+                       goto err;
+               if (ret > 0)
+                       goto not_found;
+       }
+       btrfs_release_path(&path);
+       return em;
+
+not_found:
+       btrfs_release_path(&path);
+       free_extent_map(em);
+       return NULL;
+
+err:
+       btrfs_release_path(&path);
+       free_extent_map(em);
+       return ERR_PTR(ret);
+}
+
 static struct extent_map *defrag_lookup_extent(struct inode *inode, u64 start,
-                                              bool locked)
+                                              u64 newer_than, bool locked)
 {
        struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
        struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
@@ -1028,6 +1175,20 @@ static struct extent_map *defrag_lookup_extent(struct inode *inode, u64 start,
        em = lookup_extent_mapping(em_tree, start, sectorsize);
        read_unlock(&em_tree->lock);
 
+       /*
+        * We can get a merged extent, in that case, we need to re-search
+        * tree to get the original em for defrag.
+        *
+        * If @newer_than is 0 or em::generation < newer_than, we can trust
+        * this em, as either we don't care about the generation, or the
+        * merged extent map will be rejected anyway.
+        */
+       if (em && test_bit(EXTENT_FLAG_MERGED, &em->flags) &&
+           newer_than && em->generation >= newer_than) {
+               free_extent_map(em);
+               em = NULL;
+       }
+
        if (!em) {
                struct extent_state *cached = NULL;
                u64 end = start + sectorsize - 1;
@@ -1035,7 +1196,7 @@ static struct extent_map *defrag_lookup_extent(struct inode *inode, u64 start,
                /* get the big lock and read metadata off disk */
                if (!locked)
                        lock_extent_bits(io_tree, start, end, &cached);
-               em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, start, sectorsize);
+               em = defrag_get_extent(BTRFS_I(inode), start, newer_than);
                if (!locked)
                        unlock_extent_cached(io_tree, start, end, &cached);
 
@@ -1046,23 +1207,42 @@ static struct extent_map *defrag_lookup_extent(struct inode *inode, u64 start,
        return em;
 }
 
+static u32 get_extent_max_capacity(const struct extent_map *em)
+{
+       if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags))
+               return BTRFS_MAX_COMPRESSED;
+       return BTRFS_MAX_EXTENT_SIZE;
+}
+
 static bool defrag_check_next_extent(struct inode *inode, struct extent_map *em,
                                     bool locked)
 {
        struct extent_map *next;
-       bool ret = true;
+       bool ret = false;
 
        /* this is the last extent */
        if (em->start + em->len >= i_size_read(inode))
                return false;
 
-       next = defrag_lookup_extent(inode, em->start + em->len, locked);
+       /*
+        * We want to check if the next extent can be merged with the current
+        * one, which can be an extent created in a past generation, so we pass
+        * a minimum generation of 0 to defrag_lookup_extent().
+        */
+       next = defrag_lookup_extent(inode, em->start + em->len, 0, locked);
+       /* No more em or hole */
        if (!next || next->block_start >= EXTENT_MAP_LAST_BYTE)
-               ret = false;
-       else if ((em->block_start + em->block_len == next->block_start) &&
-                (em->block_len > SZ_128K && next->block_len > SZ_128K))
-               ret = false;
-
+               goto out;
+       if (test_bit(EXTENT_FLAG_PREALLOC, &next->flags))
+               goto out;
+       /*
+        * If the next extent is at its max capacity, defragging current extent
+        * makes no sense, as the total number of extents won't change.
+        */
+       if (next->len >= get_extent_max_capacity(em))
+               goto out;
+       ret = true;
+out:
        free_extent_map(next);
        return ret;
 }
@@ -1186,8 +1366,10 @@ struct defrag_target_range {
 static int defrag_collect_targets(struct btrfs_inode *inode,
                                  u64 start, u64 len, u32 extent_thresh,
                                  u64 newer_than, bool do_compress,
-                                 bool locked, struct list_head *target_list)
+                                 bool locked, struct list_head *target_list,
+                                 u64 *last_scanned_ret)
 {
+       bool last_is_target = false;
        u64 cur = start;
        int ret = 0;
 
@@ -1197,7 +1379,9 @@ static int defrag_collect_targets(struct btrfs_inode *inode,
                bool next_mergeable = true;
                u64 range_len;
 
-               em = defrag_lookup_extent(&inode->vfs_inode, cur, locked);
+               last_is_target = false;
+               em = defrag_lookup_extent(&inode->vfs_inode, cur,
+                                         newer_than, locked);
                if (!em)
                        break;
 
@@ -1254,6 +1438,13 @@ static int defrag_collect_targets(struct btrfs_inode *inode,
                if (range_len >= extent_thresh)
                        goto next;
 
+               /*
+                * Skip extents already at its max capacity, this is mostly for
+                * compressed extents, which max cap is only 128K.
+                */
+               if (em->len >= get_extent_max_capacity(em))
+                       goto next;
+
                next_mergeable = defrag_check_next_extent(&inode->vfs_inode, em,
                                                          locked);
                if (!next_mergeable) {
@@ -1272,6 +1463,7 @@ static int defrag_collect_targets(struct btrfs_inode *inode,
                }
 
 add:
+               last_is_target = true;
                range_len = min(extent_map_end(em), start + len) - cur;
                /*
                 * This one is a good target, check if it can be merged into
@@ -1315,6 +1507,17 @@ next:
                        kfree(entry);
                }
        }
+       if (!ret && last_scanned_ret) {
+               /*
+                * If the last extent is not a target, the caller can skip to
+                * the end of that extent.
+                * Otherwise, we can only go the end of the specified range.
+                */
+               if (!last_is_target)
+                       *last_scanned_ret = max(cur, *last_scanned_ret);
+               else
+                       *last_scanned_ret = max(start + len, *last_scanned_ret);
+       }
        return ret;
 }
 
@@ -1373,7 +1576,8 @@ static int defrag_one_locked_target(struct btrfs_inode *inode,
 }
 
 static int defrag_one_range(struct btrfs_inode *inode, u64 start, u32 len,
-                           u32 extent_thresh, u64 newer_than, bool do_compress)
+                           u32 extent_thresh, u64 newer_than, bool do_compress,
+                           u64 *last_scanned_ret)
 {
        struct extent_state *cached_state = NULL;
        struct defrag_target_range *entry;
@@ -1419,7 +1623,7 @@ static int defrag_one_range(struct btrfs_inode *inode, u64 start, u32 len,
         */
        ret = defrag_collect_targets(inode, start, len, extent_thresh,
                                     newer_than, do_compress, true,
-                                    &target_list);
+                                    &target_list, last_scanned_ret);
        if (ret < 0)
                goto unlock_extent;
 
@@ -1454,7 +1658,8 @@ static int defrag_one_cluster(struct btrfs_inode *inode,
                              u64 start, u32 len, u32 extent_thresh,
                              u64 newer_than, bool do_compress,
                              unsigned long *sectors_defragged,
-                             unsigned long max_sectors)
+                             unsigned long max_sectors,
+                             u64 *last_scanned_ret)
 {
        const u32 sectorsize = inode->root->fs_info->sectorsize;
        struct defrag_target_range *entry;
@@ -1465,7 +1670,7 @@ static int defrag_one_cluster(struct btrfs_inode *inode,
        BUILD_BUG_ON(!IS_ALIGNED(CLUSTER_SIZE, PAGE_SIZE));
        ret = defrag_collect_targets(inode, start, len, extent_thresh,
                                     newer_than, do_compress, false,
-                                    &target_list);
+                                    &target_list, NULL);
        if (ret < 0)
                goto out;
 
@@ -1482,6 +1687,15 @@ static int defrag_one_cluster(struct btrfs_inode *inode,
                        range_len = min_t(u32, range_len,
                                (max_sectors - *sectors_defragged) * sectorsize);
 
+               /*
+                * If defrag_one_range() has updated last_scanned_ret,
+                * our range may already be invalid (e.g. hole punched).
+                * Skip if our range is before last_scanned_ret, as there is
+                * no need to defrag the range anymore.
+                */
+               if (entry->start + range_len <= *last_scanned_ret)
+                       continue;
+
                if (ra)
                        page_cache_sync_readahead(inode->vfs_inode.i_mapping,
                                ra, NULL, entry->start >> PAGE_SHIFT,
@@ -1494,7 +1708,8 @@ static int defrag_one_cluster(struct btrfs_inode *inode,
                 * accounting.
                 */
                ret = defrag_one_range(inode, entry->start, range_len,
-                                      extent_thresh, newer_than, do_compress);
+                                      extent_thresh, newer_than, do_compress,
+                                      last_scanned_ret);
                if (ret < 0)
                        break;
                *sectors_defragged += range_len >>
@@ -1505,6 +1720,8 @@ out:
                list_del_init(&entry->list);
                kfree(entry);
        }
+       if (ret >= 0)
+               *last_scanned_ret = max(*last_scanned_ret, start + len);
        return ret;
 }
 
@@ -1590,6 +1807,7 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
 
        while (cur < last_byte) {
                const unsigned long prev_sectors_defragged = sectors_defragged;
+               u64 last_scanned = cur;
                u64 cluster_end;
 
                /* The cluster size 256K should always be page aligned */
@@ -1619,8 +1837,8 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
                        BTRFS_I(inode)->defrag_compress = compress_type;
                ret = defrag_one_cluster(BTRFS_I(inode), ra, cur,
                                cluster_end + 1 - cur, extent_thresh,
-                               newer_than, do_compress,
-                               &sectors_defragged, max_to_defrag);
+                               newer_than, do_compress, &sectors_defragged,
+                               max_to_defrag, &last_scanned);
 
                if (sectors_defragged > prev_sectors_defragged)
                        balance_dirty_pages_ratelimited(inode->i_mapping);
@@ -1628,7 +1846,7 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
                btrfs_inode_unlock(inode, 0);
                if (ret < 0)
                        break;
-               cur = cluster_end + 1;
+               cur = max(cluster_end + 1, last_scanned);
                if (ret > 0) {
                        ret = 0;
                        break;
index 0fb90cb..e6e28a9 100644 (file)
@@ -380,6 +380,17 @@ int lzo_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
                kunmap(cur_page);
                cur_in += LZO_LEN;
 
+               if (seg_len > lzo1x_worst_compress(PAGE_SIZE)) {
+                       /*
+                        * seg_len shouldn't be larger than we have allocated
+                        * for workspace->cbuf
+                        */
+                       btrfs_err(fs_info, "unexpectedly large lzo segment len %u",
+                                       seg_len);
+                       ret = -EIO;
+                       goto out;
+               }
+
                /* Copy the compressed segment payload into workspace */
                copy_compressed_segment(cb, workspace->cbuf, seg_len, &cur_in);
 
index d3cd2a9..d1f9d26 100644 (file)
  */
 DEFINE_SPINLOCK(configfs_dirent_lock);
 
+/*
+ * All of link_obj/unlink_obj/link_group/unlink_group require that
+ * subsys->su_mutex is held.
+ * But parent configfs_subsystem is NULL when config_item is root.
+ * Use this mutex when config_item is root.
+ */
+static DEFINE_MUTEX(configfs_subsystem_mutex);
+
 static void configfs_d_iput(struct dentry * dentry,
                            struct inode * inode)
 {
@@ -1859,7 +1867,9 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
                group->cg_item.ci_name = group->cg_item.ci_namebuf;
 
        sd = root->d_fsdata;
+       mutex_lock(&configfs_subsystem_mutex);
        link_group(to_config_group(sd->s_element), group);
+       mutex_unlock(&configfs_subsystem_mutex);
 
        inode_lock_nested(d_inode(root), I_MUTEX_PARENT);
 
@@ -1884,7 +1894,9 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
        inode_unlock(d_inode(root));
 
        if (err) {
+               mutex_lock(&configfs_subsystem_mutex);
                unlink_group(group);
+               mutex_unlock(&configfs_subsystem_mutex);
                configfs_release_fs();
        }
        put_fragment(frag);
@@ -1931,7 +1943,9 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys)
 
        dput(dentry);
 
+       mutex_lock(&configfs_subsystem_mutex);
        unlink_group(group);
+       mutex_unlock(&configfs_subsystem_mutex);
        configfs_release_fs();
 }
 
index 77b9c7e..4715980 100644 (file)
@@ -4567,6 +4567,7 @@ static int io_add_buffers(struct io_provide_buf *pbuf, struct io_buffer **head)
                } else {
                        list_add_tail(&buf->list, &(*head)->list);
                }
+               cond_resched();
        }
 
        return i ? i : -ENOMEM;
@@ -7693,7 +7694,7 @@ static int io_run_task_work_sig(void)
 /* when returns >0, the caller should retry */
 static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
                                          struct io_wait_queue *iowq,
-                                         signed long *timeout)
+                                         ktime_t timeout)
 {
        int ret;
 
@@ -7705,8 +7706,9 @@ static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
        if (test_bit(0, &ctx->check_cq_overflow))
                return 1;
 
-       *timeout = schedule_timeout(*timeout);
-       return !*timeout ? -ETIME : 1;
+       if (!schedule_hrtimeout(&timeout, HRTIMER_MODE_ABS))
+               return -ETIME;
+       return 1;
 }
 
 /*
@@ -7719,7 +7721,7 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
 {
        struct io_wait_queue iowq;
        struct io_rings *rings = ctx->rings;
-       signed long timeout = MAX_SCHEDULE_TIMEOUT;
+       ktime_t timeout = KTIME_MAX;
        int ret;
 
        do {
@@ -7735,7 +7737,7 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
 
                if (get_timespec64(&ts, uts))
                        return -EFAULT;
-               timeout = timespec64_to_jiffies(&ts);
+               timeout = ktime_add_ns(timespec64_to_ktime(ts), ktime_get_ns());
        }
 
        if (sig) {
@@ -7767,7 +7769,7 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
                }
                prepare_to_wait_exclusive(&ctx->cq_wait, &iowq.wq,
                                                TASK_INTERRUPTIBLE);
-               ret = io_cqring_wait_schedule(ctx, &iowq, &timeout);
+               ret = io_cqring_wait_schedule(ctx, &iowq, timeout);
                finish_wait(&ctx->cq_wait, &iowq.wq);
                cond_resched();
        } while (ret > 0);
@@ -7924,7 +7926,15 @@ static __cold int io_rsrc_ref_quiesce(struct io_rsrc_data *data,
                ret = wait_for_completion_interruptible(&data->done);
                if (!ret) {
                        mutex_lock(&ctx->uring_lock);
-                       break;
+                       if (atomic_read(&data->refs) > 0) {
+                               /*
+                                * it has been revived by another thread while
+                                * we were unlocked
+                                */
+                               mutex_unlock(&ctx->uring_lock);
+                       } else {
+                               break;
+                       }
                }
 
                atomic_inc(&data->refs);
index bafc02b..de72527 100644 (file)
@@ -264,7 +264,6 @@ static int tracefs_parse_options(char *data, struct tracefs_mount_opts *opts)
                        if (!gid_valid(gid))
                                return -EINVAL;
                        opts->gid = gid;
-                       set_gid(tracefs_mount->mnt_root, gid);
                        break;
                case Opt_mode:
                        if (match_octal(&args[0], &option))
@@ -291,7 +290,9 @@ static int tracefs_apply_options(struct super_block *sb)
        inode->i_mode |= opts->mode;
 
        inode->i_uid = opts->uid;
-       inode->i_gid = opts->gid;
+
+       /* Set all the group ids to the mount option */
+       set_gid(sb->s_root, opts->gid);
 
        return 0;
 }
index 4c0dee7..d84714e 100644 (file)
@@ -1753,6 +1753,11 @@ xfs_remount_ro(
        };
        int                     error;
 
+       /* Flush all the dirty data to disk. */
+       error = sync_filesystem(mp->m_super);
+       if (error)
+               return error;
+
        /*
         * Cancel background eofb scanning so it cannot race with the final
         * log force+buftarg wait and deadlock the remount.
@@ -1831,8 +1836,6 @@ xfs_fs_reconfigure(
        if (error)
                return error;
 
-       sync_filesystem(mp->m_super);
-
        /* inode32 -> inode64 */
        if (xfs_has_small_inums(mp) && !xfs_has_small_inums(new_mp)) {
                mp->m_features &= ~XFS_FEAT_SMALL_INUMS;
index fa517ae..d0ad379 100644 (file)
@@ -209,11 +209,9 @@ static inline bool map_value_has_timer(const struct bpf_map *map)
 static inline void check_and_init_map_value(struct bpf_map *map, void *dst)
 {
        if (unlikely(map_value_has_spin_lock(map)))
-               *(struct bpf_spin_lock *)(dst + map->spin_lock_off) =
-                       (struct bpf_spin_lock){};
+               memset(dst + map->spin_lock_off, 0, sizeof(struct bpf_spin_lock));
        if (unlikely(map_value_has_timer(map)))
-               *(struct bpf_timer *)(dst + map->timer_off) =
-                       (struct bpf_timer){};
+               memset(dst + map->timer_off, 0, sizeof(struct bpf_timer));
 }
 
 /* copy everything but bpf_spin_lock and bpf_timer. There could be one of each. */
@@ -224,7 +222,8 @@ static inline void copy_map_value(struct bpf_map *map, void *dst, void *src)
        if (unlikely(map_value_has_spin_lock(map))) {
                s_off = map->spin_lock_off;
                s_sz = sizeof(struct bpf_spin_lock);
-       } else if (unlikely(map_value_has_timer(map))) {
+       }
+       if (unlikely(map_value_has_timer(map))) {
                t_off = map->timer_off;
                t_sz = sizeof(struct bpf_timer);
        }
index 1ab29e6..3522a27 100644 (file)
@@ -382,6 +382,9 @@ struct cpufreq_driver {
        int             (*suspend)(struct cpufreq_policy *policy);
        int             (*resume)(struct cpufreq_policy *policy);
 
+       /* Will be called after the driver is fully initialized */
+       void            (*ready)(struct cpufreq_policy *policy);
+
        struct freq_attr **attr;
 
        /* platform specific boost support code */
index dca2b13..6150d11 100644 (file)
  */
 #define DMA_ATTR_PRIVILEGED            (1UL << 9)
 
+/*
+ * This is a hint to the DMA-mapping subsystem that the device is expected
+ * to overwrite the entire mapped size, thus the caller does not require any
+ * of the previous buffer contents to be preserved. This allows
+ * bounce-buffering implementations to optimise DMA_FROM_DEVICE transfers.
+ */
+#define DMA_ATTR_OVERWRITE             (1UL << 10)
+
 /*
  * A dma_addr_t can hold any valid DMA or bus address for the platform.  It can
  * be given to a device to use as a DMA source or target.  It is specific to a
index 959e0bd..7547015 100644 (file)
@@ -12,6 +12,7 @@
 #define NVME_TCP_DISC_PORT     8009
 #define NVME_TCP_ADMIN_CCSZ    SZ_8K
 #define NVME_TCP_DIGEST_LENGTH 4
+#define NVME_TCP_MIN_MAXH2CDATA 4096
 
 enum nvme_tcp_pfv {
        NVME_TCP_PFV_1_0 = 0x0,
index 98efb7b..c9a3ac9 100644 (file)
@@ -70,7 +70,8 @@ struct nvmem_keepout {
  * @word_size: Minimum read/write access granularity.
  * @stride:    Minimum read/write access stride.
  * @priv:      User context passed to read/write callbacks.
- * @wp-gpio:   Write protect pin
+ * @wp-gpio:   Write protect pin
+ * @ignore_wp:  Write Protect pin is managed by the provider.
  *
  * Note: A default "nvmem<id>" name will be assigned to the device if
  * no name is specified in its configuration. In such case "<id>" is
@@ -92,6 +93,7 @@ struct nvmem_config {
        enum nvmem_type         type;
        bool                    read_only;
        bool                    root_only;
+       bool                    ignore_wp;
        struct device_node      *of_node;
        bool                    no_of_node;
        nvmem_reg_read_t        reg_read;
index 37bde99..5b6193f 100644 (file)
@@ -660,8 +660,7 @@ static inline __alloc_size(1, 2) void *kcalloc(size_t n, size_t size, gfp_t flag
  * allocator where we care about the real place the memory allocation
  * request comes from.
  */
-extern void *__kmalloc_track_caller(size_t size, gfp_t flags, unsigned long caller)
-                                  __alloc_size(1);
+extern void *__kmalloc_track_caller(size_t size, gfp_t flags, unsigned long caller);
 #define kmalloc_track_caller(size, flags) \
        __kmalloc_track_caller(size, flags, _RET_IP_)
 
index 70c069a..dcea51f 100644 (file)
@@ -699,6 +699,8 @@ event_triggers_post_call(struct trace_event_file *file,
 
 bool trace_event_ignore_this_pid(struct trace_event_file *trace_file);
 
+bool __trace_trigger_soft_disabled(struct trace_event_file *file);
+
 /**
  * trace_trigger_soft_disabled - do triggers and test if soft disabled
  * @file: The file pointer of the event to test
@@ -708,20 +710,20 @@ bool trace_event_ignore_this_pid(struct trace_event_file *trace_file);
  * triggers that require testing the fields, it will return true,
  * otherwise false.
  */
-static inline bool
+static __always_inline bool
 trace_trigger_soft_disabled(struct trace_event_file *file)
 {
        unsigned long eflags = file->flags;
 
-       if (!(eflags & EVENT_FILE_FL_TRIGGER_COND)) {
-               if (eflags & EVENT_FILE_FL_TRIGGER_MODE)
-                       event_triggers_call(file, NULL, NULL, NULL);
-               if (eflags & EVENT_FILE_FL_SOFT_DISABLED)
-                       return true;
-               if (eflags & EVENT_FILE_FL_PID_FILTER)
-                       return trace_event_ignore_this_pid(file);
-       }
-       return false;
+       if (likely(!(eflags & (EVENT_FILE_FL_TRIGGER_MODE |
+                              EVENT_FILE_FL_SOFT_DISABLED |
+                              EVENT_FILE_FL_PID_FILTER))))
+               return false;
+
+       if (likely(eflags & EVENT_FILE_FL_TRIGGER_COND))
+               return false;
+
+       return __trace_trigger_soft_disabled(file);
 }
 
 #ifdef CONFIG_BPF_EVENTS
index 5218041..79c67f1 100644 (file)
@@ -22,7 +22,7 @@
 #include <asm/checksum.h>
 
 #ifndef _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
-static inline
+static __always_inline
 __wsum csum_and_copy_from_user (const void __user *src, void *dst,
                                      int len)
 {
@@ -33,7 +33,7 @@ __wsum csum_and_copy_from_user (const void __user *src, void *dst,
 #endif
 
 #ifndef HAVE_CSUM_COPY_USER
-static __inline__ __wsum csum_and_copy_to_user
+static __always_inline __wsum csum_and_copy_to_user
 (const void *src, void __user *dst, int len)
 {
        __wsum sum = csum_partial(src, len, ~0U);
@@ -45,7 +45,7 @@ static __inline__ __wsum csum_and_copy_to_user
 #endif
 
 #ifndef _HAVE_ARCH_CSUM_AND_COPY
-static inline __wsum
+static __always_inline __wsum
 csum_partial_copy_nocheck(const void *src, void *dst, int len)
 {
        memcpy(dst, src, len);
@@ -54,7 +54,7 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len)
 #endif
 
 #ifndef HAVE_ARCH_CSUM_ADD
-static inline __wsum csum_add(__wsum csum, __wsum addend)
+static __always_inline __wsum csum_add(__wsum csum, __wsum addend)
 {
        u32 res = (__force u32)csum;
        res += (__force u32)addend;
@@ -62,12 +62,12 @@ static inline __wsum csum_add(__wsum csum, __wsum addend)
 }
 #endif
 
-static inline __wsum csum_sub(__wsum csum, __wsum addend)
+static __always_inline __wsum csum_sub(__wsum csum, __wsum addend)
 {
        return csum_add(csum, ~addend);
 }
 
-static inline __sum16 csum16_add(__sum16 csum, __be16 addend)
+static __always_inline __sum16 csum16_add(__sum16 csum, __be16 addend)
 {
        u16 res = (__force u16)csum;
 
@@ -75,12 +75,12 @@ static inline __sum16 csum16_add(__sum16 csum, __be16 addend)
        return (__force __sum16)(res + (res < (__force u16)addend));
 }
 
-static inline __sum16 csum16_sub(__sum16 csum, __be16 addend)
+static __always_inline __sum16 csum16_sub(__sum16 csum, __be16 addend)
 {
        return csum16_add(csum, ~addend);
 }
 
-static inline __wsum csum_shift(__wsum sum, int offset)
+static __always_inline __wsum csum_shift(__wsum sum, int offset)
 {
        /* rotate sum to align it with a 16b boundary */
        if (offset & 1)
@@ -88,42 +88,43 @@ static inline __wsum csum_shift(__wsum sum, int offset)
        return sum;
 }
 
-static inline __wsum
+static __always_inline __wsum
 csum_block_add(__wsum csum, __wsum csum2, int offset)
 {
        return csum_add(csum, csum_shift(csum2, offset));
 }
 
-static inline __wsum
+static __always_inline __wsum
 csum_block_add_ext(__wsum csum, __wsum csum2, int offset, int len)
 {
        return csum_block_add(csum, csum2, offset);
 }
 
-static inline __wsum
+static __always_inline __wsum
 csum_block_sub(__wsum csum, __wsum csum2, int offset)
 {
        return csum_block_add(csum, ~csum2, offset);
 }
 
-static inline __wsum csum_unfold(__sum16 n)
+static __always_inline __wsum csum_unfold(__sum16 n)
 {
        return (__force __wsum)n;
 }
 
-static inline __wsum csum_partial_ext(const void *buff, int len, __wsum sum)
+static __always_inline
+__wsum csum_partial_ext(const void *buff, int len, __wsum sum)
 {
        return csum_partial(buff, len, sum);
 }
 
 #define CSUM_MANGLED_0 ((__force __sum16)0xffff)
 
-static inline void csum_replace_by_diff(__sum16 *sum, __wsum diff)
+static __always_inline void csum_replace_by_diff(__sum16 *sum, __wsum diff)
 {
        *sum = csum_fold(csum_add(diff, ~csum_unfold(*sum)));
 }
 
-static inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to)
+static __always_inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to)
 {
        __wsum tmp = csum_sub(~csum_unfold(*sum), (__force __wsum)from);
 
@@ -136,11 +137,16 @@ static inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to)
  *  m : old value of a 16bit field
  *  m' : new value of a 16bit field
  */
-static inline void csum_replace2(__sum16 *sum, __be16 old, __be16 new)
+static __always_inline void csum_replace2(__sum16 *sum, __be16 old, __be16 new)
 {
        *sum = ~csum16_add(csum16_sub(~(*sum), old), new);
 }
 
+static inline void csum_replace(__wsum *csum, __wsum old, __wsum new)
+{
+       *csum = csum_add(csum_sub(*csum, old), new);
+}
+
 struct sk_buff;
 void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
                              __be32 from, __be32 to, bool pseudohdr);
@@ -150,16 +156,16 @@ void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
 void inet_proto_csum_replace_by_diff(__sum16 *sum, struct sk_buff *skb,
                                     __wsum diff, bool pseudohdr);
 
-static inline void inet_proto_csum_replace2(__sum16 *sum, struct sk_buff *skb,
-                                           __be16 from, __be16 to,
-                                           bool pseudohdr)
+static __always_inline
+void inet_proto_csum_replace2(__sum16 *sum, struct sk_buff *skb,
+                             __be16 from, __be16 to, bool pseudohdr)
 {
        inet_proto_csum_replace4(sum, skb, (__force __be32)from,
                                 (__force __be32)to, pseudohdr);
 }
 
-static inline __wsum remcsum_adjust(void *ptr, __wsum csum,
-                                   int start, int offset)
+static __always_inline __wsum remcsum_adjust(void *ptr, __wsum csum,
+                                            int start, int offset)
 {
        __sum16 *psum = (__sum16 *)(ptr + offset);
        __wsum delta;
@@ -175,12 +181,12 @@ static inline __wsum remcsum_adjust(void *ptr, __wsum csum,
        return delta;
 }
 
-static inline void remcsum_unadjust(__sum16 *psum, __wsum delta)
+static __always_inline void remcsum_unadjust(__sum16 *psum, __wsum delta)
 {
        *psum = csum_fold(csum_sub(delta, (__force __wsum)*psum));
 }
 
-static inline __wsum wsum_negate(__wsum val)
+static __always_inline __wsum wsum_negate(__wsum val)
 {
        return (__force __wsum)-((__force u32)val);
 }
index eaf55da..c4c0861 100644 (file)
@@ -905,9 +905,9 @@ struct nft_expr_ops {
        int                             (*offload)(struct nft_offload_ctx *ctx,
                                                   struct nft_flow_rule *flow,
                                                   const struct nft_expr *expr);
+       bool                            (*offload_action)(const struct nft_expr *expr);
        void                            (*offload_stats)(struct nft_expr *expr,
                                                         const struct flow_stats *stats);
-       u32                             offload_flags;
        const struct nft_expr_type      *type;
        void                            *data;
 };
index f9d95ff..7971478 100644 (file)
@@ -67,8 +67,6 @@ struct nft_flow_rule {
        struct flow_rule        *rule;
 };
 
-#define NFT_OFFLOAD_F_ACTION   (1 << 0)
-
 void nft_flow_rule_set_addr_type(struct nft_flow_rule *flow,
                                 enum flow_dissector_key_id addr_type);
 
index ff9b508..50aecd2 100644 (file)
@@ -507,7 +507,7 @@ struct sock {
 #endif
        u16                     sk_tsflags;
        u8                      sk_shutdown;
-       u32                     sk_tskey;
+       atomic_t                sk_tskey;
        atomic_t                sk_zckey;
 
        u8                      sk_clockid;
@@ -2667,7 +2667,7 @@ static inline void _sock_tx_timestamp(struct sock *sk, __u16 tsflags,
                __sock_tx_timestamp(tsflags, tx_flags);
                if (tsflags & SOF_TIMESTAMPING_OPT_ID && tskey &&
                    tsflags & SOF_TIMESTAMPING_TX_RECORD_MASK)
-                       *tskey = sk->sk_tskey++;
+                       *tskey = atomic_inc_return(&sk->sk_tskey) - 1;
        }
        if (unlikely(sock_flag(sk, SOCK_WIFI_STATUS)))
                *tx_flags |= SKBTX_WIFI_STATUS;
index 5191b57..507ee1f 100644 (file)
@@ -1134,6 +1134,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_VM_GPA_BITS 207
 #define KVM_CAP_XSAVE2 208
 #define KVM_CAP_SYS_ATTRIBUTES 209
+#define KVM_CAP_PPC_AIL_MODE_3 210
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
index e16dafe..3e23b3f 100644 (file)
@@ -5688,7 +5688,8 @@ static int btf_check_func_arg_match(struct bpf_verifier_env *env,
                        }
                        if (check_ptr_off_reg(env, reg, regno))
                                return -EINVAL;
-               } else if (is_kfunc && (reg->type == PTR_TO_BTF_ID || reg2btf_ids[reg->type])) {
+               } else if (is_kfunc && (reg->type == PTR_TO_BTF_ID ||
+                          (reg2btf_ids[base_type(reg->type)] && !type_flag(reg->type)))) {
                        const struct btf_type *reg_ref_t;
                        const struct btf *reg_btf;
                        const char *reg_ref_tname;
@@ -5706,7 +5707,7 @@ static int btf_check_func_arg_match(struct bpf_verifier_env *env,
                                reg_ref_id = reg->btf_id;
                        } else {
                                reg_btf = btf_vmlinux;
-                               reg_ref_id = *reg2btf_ids[reg->type];
+                               reg_ref_id = *reg2btf_ids[base_type(reg->type)];
                        }
 
                        reg_ref_t = btf_type_skip_modifiers(reg_btf, reg_ref_id,
index 01cfdf4..55c0842 100644 (file)
@@ -2,6 +2,7 @@
 /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
  */
 #include <linux/bpf.h>
+#include <linux/btf.h>
 #include <linux/bpf-cgroup.h>
 #include <linux/rcupdate.h>
 #include <linux/random.h>
@@ -1075,6 +1076,7 @@ static enum hrtimer_restart bpf_timer_cb(struct hrtimer *hrtimer)
        void *key;
        u32 idx;
 
+       BTF_TYPE_EMIT(struct bpf_timer);
        callback_fn = rcu_dereference_check(t->callback_fn, rcu_read_lock_bh_held());
        if (!callback_fn)
                goto out;
index fa4505f..ca70fe6 100644 (file)
@@ -1355,6 +1355,7 @@ int generic_map_delete_batch(struct bpf_map *map,
                maybe_wait_bpf_programs(map);
                if (err)
                        break;
+               cond_resched();
        }
        if (copy_to_user(&uattr->batch.count, &cp, sizeof(cp)))
                err = -EFAULT;
@@ -1412,6 +1413,7 @@ int generic_map_update_batch(struct bpf_map *map,
 
                if (err)
                        break;
+               cond_resched();
        }
 
        if (copy_to_user(&uattr->batch.count, &cp, sizeof(cp)))
@@ -1509,6 +1511,7 @@ int generic_map_lookup_batch(struct bpf_map *map,
                swap(prev_key, key);
                retry = MAP_LOOKUP_RETRIES;
                cp++;
+               cond_resched();
        }
 
        if (err == -EFAULT)
index 0e877db..afc6c0e 100644 (file)
@@ -546,6 +546,7 @@ static ssize_t cgroup_release_agent_write(struct kernfs_open_file *of,
                                          char *buf, size_t nbytes, loff_t off)
 {
        struct cgroup *cgrp;
+       struct cgroup_file_ctx *ctx;
 
        BUILD_BUG_ON(sizeof(cgrp->root->release_agent_path) < PATH_MAX);
 
@@ -553,8 +554,9 @@ static ssize_t cgroup_release_agent_write(struct kernfs_open_file *of,
         * Release agent gets called with all capabilities,
         * require capabilities to set release agent.
         */
-       if ((of->file->f_cred->user_ns != &init_user_ns) ||
-           !capable(CAP_SYS_ADMIN))
+       ctx = of->priv;
+       if ((ctx->ns->user_ns != &init_user_ns) ||
+           !file_ns_capable(of->file, &init_user_ns, CAP_SYS_ADMIN))
                return -EPERM;
 
        cgrp = cgroup_kn_lock_live(of->kn, false);
index 9d05c3c..a557eea 100644 (file)
@@ -6166,6 +6166,20 @@ static int cgroup_css_set_fork(struct kernel_clone_args *kargs)
        if (ret)
                goto err;
 
+       /*
+        * Spawning a task directly into a cgroup works by passing a file
+        * descriptor to the target cgroup directory. This can even be an O_PATH
+        * file descriptor. But it can never be a cgroup.procs file descriptor.
+        * This was done on purpose so spawning into a cgroup could be
+        * conceptualized as an atomic
+        *
+        *   fd = openat(dfd_cgroup, "cgroup.procs", ...);
+        *   write(fd, <child-pid>, ...);
+        *
+        * sequence, i.e. it's a shorthand for the caller opening and writing
+        * cgroup.procs of the cgroup indicated by @dfd_cgroup. This allows us
+        * to always use the caller's credentials.
+        */
        ret = cgroup_attach_permissions(cset->dfl_cgrp, dst_cgrp, sb,
                                        !(kargs->flags & CLONE_THREAD),
                                        current->nsproxy->cgroup_ns);
index 4c7254e..5de1844 100644 (file)
@@ -2289,6 +2289,7 @@ static void cpuset_attach(struct cgroup_taskset *tset)
        cgroup_taskset_first(tset, &css);
        cs = css_cs(css);
 
+       cpus_read_lock();
        percpu_down_write(&cpuset_rwsem);
 
        guarantee_online_mems(cs, &cpuset_attach_nodemask_to);
@@ -2342,6 +2343,7 @@ static void cpuset_attach(struct cgroup_taskset *tset)
                wake_up(&cpuset_attach_wq);
 
        percpu_up_write(&cpuset_rwsem);
+       cpus_read_unlock();
 }
 
 /* The various types of files and directories in a cpuset file system */
@@ -3522,8 +3524,8 @@ static struct cpuset *nearest_hardwall_ancestor(struct cpuset *cs)
        return cs;
 }
 
-/**
- * cpuset_node_allowed - Can we allocate on a memory node?
+/*
+ * __cpuset_node_allowed - Can we allocate on a memory node?
  * @node: is this an allowed node?
  * @gfp_mask: memory allocation flags
  *
@@ -3694,8 +3696,8 @@ void cpuset_print_current_mems_allowed(void)
 
 int cpuset_memory_pressure_enabled __read_mostly;
 
-/**
- * cpuset_memory_pressure_bump - keep stats of per-cpuset reclaims.
+/*
+ * __cpuset_memory_pressure_bump - keep stats of per-cpuset reclaims.
  *
  * Keep a running average of the rate of synchronous (direct)
  * page reclaim efforts initiated by tasks in each cpuset.
@@ -3710,7 +3712,7 @@ int cpuset_memory_pressure_enabled __read_mostly;
  * "memory_pressure".  Value displayed is an integer
  * representing the recent rate of entry into the synchronous
  * (direct) page reclaim by any task attached to the cpuset.
- **/
+ */
 
 void __cpuset_memory_pressure_bump(void)
 {
index f1e7ea1..bfc56cb 100644 (file)
@@ -628,7 +628,8 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
                mem->slots[index + i].orig_addr = slot_addr(orig_addr, i);
        tlb_addr = slot_addr(mem->start, index) + offset;
        if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC) &&
-           (dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL))
+           (!(attrs & DMA_ATTR_OVERWRITE) || dir == DMA_TO_DEVICE ||
+           dir == DMA_BIDIRECTIONAL))
                swiotlb_bounce(dev, tlb_addr, mapping_size, DMA_TO_DEVICE);
        return tlb_addr;
 }
index f9feb19..a4b462b 100644 (file)
@@ -7191,7 +7191,6 @@ static int __init ftrace_nodyn_init(void)
 core_initcall(ftrace_nodyn_init);
 
 static inline int ftrace_init_dyn_tracefs(struct dentry *d_tracer) { return 0; }
-static inline void ftrace_startup_enable(int command) { }
 static inline void ftrace_startup_all(int command) { }
 
 # define ftrace_startup_sysctl()       do { } while (0)
index 7c2578e..3050892 100644 (file)
@@ -1474,10 +1474,12 @@ static int __init set_buf_size(char *str)
        if (!str)
                return 0;
        buf_size = memparse(str, &str);
-       /* nr_entries can not be zero */
-       if (buf_size == 0)
-               return 0;
-       trace_buf_size = buf_size;
+       /*
+        * nr_entries can not be zero and the startup
+        * tests require some buffer space. Therefore
+        * ensure we have at least 4096 bytes of buffer.
+        */
+       trace_buf_size = max(4096UL, buf_size);
        return 1;
 }
 __setup("trace_buf_size=", set_buf_size);
index d038ddb..c5b09c3 100644 (file)
@@ -136,7 +136,6 @@ struct kprobe_trace_entry_head {
 
 struct eprobe_trace_entry_head {
        struct trace_entry      ent;
-       unsigned int            type;
 };
 
 struct kretprobe_trace_entry_head {
index 191db32..541aa13 100644 (file)
@@ -242,7 +242,6 @@ static int trace_eprobe_tp_arg_update(struct trace_eprobe *ep, int i)
 
 static int eprobe_event_define_fields(struct trace_event_call *event_call)
 {
-       int ret;
        struct eprobe_trace_entry_head field;
        struct trace_probe *tp;
 
@@ -250,8 +249,6 @@ static int eprobe_event_define_fields(struct trace_event_call *event_call)
        if (WARN_ON_ONCE(!tp))
                return -ENOENT;
 
-       DEFINE_FIELD(unsigned int, type, FIELD_STRING_TYPE, 0);
-
        return traceprobe_define_arg_fields(event_call, sizeof(field), tp);
 }
 
@@ -270,7 +267,9 @@ print_eprobe_event(struct trace_iterator *iter, int flags,
        struct trace_event_call *pevent;
        struct trace_event *probed_event;
        struct trace_seq *s = &iter->seq;
+       struct trace_eprobe *ep;
        struct trace_probe *tp;
+       unsigned int type;
 
        field = (struct eprobe_trace_entry_head *)iter->ent;
        tp = trace_probe_primary_from_call(
@@ -278,15 +277,18 @@ print_eprobe_event(struct trace_iterator *iter, int flags,
        if (WARN_ON_ONCE(!tp))
                goto out;
 
+       ep = container_of(tp, struct trace_eprobe, tp);
+       type = ep->event->event.type;
+
        trace_seq_printf(s, "%s: (", trace_probe_name(tp));
 
-       probed_event = ftrace_find_event(field->type);
+       probed_event = ftrace_find_event(type);
        if (probed_event) {
                pevent = container_of(probed_event, struct trace_event_call, event);
                trace_seq_printf(s, "%s.%s", pevent->class->system,
                                 trace_event_name(pevent));
        } else {
-               trace_seq_printf(s, "%u", field->type);
+               trace_seq_printf(s, "%u", type);
        }
 
        trace_seq_putc(s, ')');
@@ -498,10 +500,6 @@ __eprobe_trace_func(struct eprobe_data *edata, void *rec)
                return;
 
        entry = fbuffer.entry = ring_buffer_event_data(fbuffer.event);
-       if (edata->ep->event)
-               entry->type = edata->ep->event->event.type;
-       else
-               entry->type = 0;
        store_trace_args(&entry[1], &edata->ep->tp, rec, sizeof(*entry), dsize);
 
        trace_event_buffer_commit(&fbuffer);
index d00fee7..7eb9d04 100644 (file)
@@ -84,6 +84,20 @@ event_triggers_call(struct trace_event_file *file,
 }
 EXPORT_SYMBOL_GPL(event_triggers_call);
 
+bool __trace_trigger_soft_disabled(struct trace_event_file *file)
+{
+       unsigned long eflags = file->flags;
+
+       if (eflags & EVENT_FILE_FL_TRIGGER_MODE)
+               event_triggers_call(file, NULL, NULL, NULL);
+       if (eflags & EVENT_FILE_FL_SOFT_DISABLED)
+               return true;
+       if (eflags & EVENT_FILE_FL_PID_FILTER)
+               return trace_event_ignore_this_pid(file);
+       return false;
+}
+EXPORT_SYMBOL_GPL(__trace_trigger_soft_disabled);
+
 /**
  * event_triggers_post_call - Call 'post_triggers' for a trace event
  * @file: The trace_event_file associated with the event
@@ -1295,6 +1309,16 @@ traceon_trigger(struct event_trigger_data *data,
                struct trace_buffer *buffer, void *rec,
                struct ring_buffer_event *event)
 {
+       struct trace_event_file *file = data->private_data;
+
+       if (file) {
+               if (tracer_tracing_is_on(file->tr))
+                       return;
+
+               tracer_tracing_on(file->tr);
+               return;
+       }
+
        if (tracing_is_on())
                return;
 
@@ -1306,8 +1330,15 @@ traceon_count_trigger(struct event_trigger_data *data,
                      struct trace_buffer *buffer, void *rec,
                      struct ring_buffer_event *event)
 {
-       if (tracing_is_on())
-               return;
+       struct trace_event_file *file = data->private_data;
+
+       if (file) {
+               if (tracer_tracing_is_on(file->tr))
+                       return;
+       } else {
+               if (tracing_is_on())
+                       return;
+       }
 
        if (!data->count)
                return;
@@ -1315,7 +1346,10 @@ traceon_count_trigger(struct event_trigger_data *data,
        if (data->count != -1)
                (data->count)--;
 
-       tracing_on();
+       if (file)
+               tracer_tracing_on(file->tr);
+       else
+               tracing_on();
 }
 
 static void
@@ -1323,6 +1357,16 @@ traceoff_trigger(struct event_trigger_data *data,
                 struct trace_buffer *buffer, void *rec,
                 struct ring_buffer_event *event)
 {
+       struct trace_event_file *file = data->private_data;
+
+       if (file) {
+               if (!tracer_tracing_is_on(file->tr))
+                       return;
+
+               tracer_tracing_off(file->tr);
+               return;
+       }
+
        if (!tracing_is_on())
                return;
 
@@ -1334,8 +1378,15 @@ traceoff_count_trigger(struct event_trigger_data *data,
                       struct trace_buffer *buffer, void *rec,
                       struct ring_buffer_event *event)
 {
-       if (!tracing_is_on())
-               return;
+       struct trace_event_file *file = data->private_data;
+
+       if (file) {
+               if (!tracer_tracing_is_on(file->tr))
+                       return;
+       } else {
+               if (!tracing_is_on())
+                       return;
+       }
 
        if (!data->count)
                return;
@@ -1343,7 +1394,10 @@ traceoff_count_trigger(struct event_trigger_data *data,
        if (data->count != -1)
                (data->count)--;
 
-       tracing_off();
+       if (file)
+               tracer_tracing_off(file->tr);
+       else
+               tracing_off();
 }
 
 static int
@@ -1540,7 +1594,12 @@ stacktrace_trigger(struct event_trigger_data *data,
                   struct trace_buffer *buffer,  void *rec,
                   struct ring_buffer_event *event)
 {
-       trace_dump_stack(STACK_SKIP);
+       struct trace_event_file *file = data->private_data;
+
+       if (file)
+               __trace_stack(file->tr, tracing_gen_ctx(), STACK_SKIP);
+       else
+               trace_dump_stack(STACK_SKIP);
 }
 
 static void
index 870a08d..cfddb30 100644 (file)
@@ -1436,6 +1436,37 @@ out:
 static struct cpumask osnoise_cpumask;
 static struct cpumask save_cpumask;
 
+/*
+ * osnoise_sleep - sleep until the next period
+ */
+static void osnoise_sleep(void)
+{
+       u64 interval;
+       ktime_t wake_time;
+
+       mutex_lock(&interface_lock);
+       interval = osnoise_data.sample_period - osnoise_data.sample_runtime;
+       mutex_unlock(&interface_lock);
+
+       /*
+        * differently from hwlat_detector, the osnoise tracer can run
+        * without a pause because preemption is on.
+        */
+       if (!interval) {
+               /* Let synchronize_rcu_tasks() make progress */
+               cond_resched_tasks_rcu_qs();
+               return;
+       }
+
+       wake_time = ktime_add_us(ktime_get(), interval);
+       __set_current_state(TASK_INTERRUPTIBLE);
+
+       while (schedule_hrtimeout_range(&wake_time, 0, HRTIMER_MODE_ABS)) {
+               if (kthread_should_stop())
+                       break;
+       }
+}
+
 /*
  * osnoise_main - The osnoise detection kernel thread
  *
@@ -1444,30 +1475,10 @@ static struct cpumask save_cpumask;
  */
 static int osnoise_main(void *data)
 {
-       u64 interval;
 
        while (!kthread_should_stop()) {
-
                run_osnoise();
-
-               mutex_lock(&interface_lock);
-               interval = osnoise_data.sample_period - osnoise_data.sample_runtime;
-               mutex_unlock(&interface_lock);
-
-               do_div(interval, USEC_PER_MSEC);
-
-               /*
-                * differently from hwlat_detector, the osnoise tracer can run
-                * without a pause because preemption is on.
-                */
-               if (interval < 1) {
-                       /* Let synchronize_rcu_tasks() make progress */
-                       cond_resched_tasks_rcu_qs();
-                       continue;
-               }
-
-               if (msleep_interruptible(interval))
-                       break;
+               osnoise_sleep();
        }
 
        return 0;
index 73d9017..80863c6 100644 (file)
@@ -871,15 +871,15 @@ static int __set_print_fmt(struct trace_probe *tp, char *buf, int len,
        switch (ptype) {
        case PROBE_PRINT_NORMAL:
                fmt = "(%lx)";
-               arg = "REC->" FIELD_STRING_IP;
+               arg = "REC->" FIELD_STRING_IP;
                break;
        case PROBE_PRINT_RETURN:
                fmt = "(%lx <- %lx)";
-               arg = "REC->" FIELD_STRING_FUNC ", REC->" FIELD_STRING_RETIP;
+               arg = "REC->" FIELD_STRING_FUNC ", REC->" FIELD_STRING_RETIP;
                break;
        case PROBE_PRINT_EVENT:
-               fmt = "(%u)";
-               arg = "REC->" FIELD_STRING_TYPE;
+               fmt = "";
+               arg = "";
                break;
        default:
                WARN_ON_ONCE(1);
@@ -903,7 +903,7 @@ static int __set_print_fmt(struct trace_probe *tp, char *buf, int len,
                                        parg->type->fmt);
        }
 
-       pos += snprintf(buf + pos, LEN_OR_ZERO, "\"%s", arg);
+       pos += snprintf(buf + pos, LEN_OR_ZERO, "\"%s", arg);
 
        for (i = 0; i < tp->nr_args; i++) {
                parg = tp->args + i;
index 99e7a5d..92cc149 100644 (file)
@@ -38,7 +38,6 @@
 #define FIELD_STRING_IP                "__probe_ip"
 #define FIELD_STRING_RETIP     "__probe_ret_ip"
 #define FIELD_STRING_FUNC      "__probe_func"
-#define FIELD_STRING_TYPE      "__probe_type"
 
 #undef DEFINE_FIELD
 #define DEFINE_FIELD(type, item, name, is_signed)                      \
index afd937a..abcadbe 100644 (file)
@@ -784,9 +784,7 @@ static struct fgraph_ops fgraph_ops __initdata  = {
        .retfunc                = &trace_graph_return,
 };
 
-#if defined(CONFIG_DYNAMIC_FTRACE) && \
-    defined(CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS)
-#define TEST_DIRECT_TRAMP
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
 noinline __noclone static void trace_direct_tramp(void) { }
 #endif
 
@@ -849,7 +847,7 @@ trace_selftest_startup_function_graph(struct tracer *trace,
                goto out;
        }
 
-#ifdef TEST_DIRECT_TRAMP
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
        tracing_reset_online_cpus(&tr->array_buffer);
        set_graph_array(tr);
 
index b0e0acd..6dd5330 100644 (file)
@@ -414,6 +414,7 @@ static size_t copy_page_to_iter_pipe(struct page *page, size_t offset, size_t by
                return 0;
 
        buf->ops = &page_cache_pipe_buf_ops;
+       buf->flags = 0;
        get_page(page);
        buf->page = page;
        buf->offset = offset;
@@ -577,6 +578,7 @@ static size_t push_pipe(struct iov_iter *i, size_t size,
                        break;
 
                buf->ops = &default_pipe_buf_ops;
+               buf->flags = 0;
                buf->page = page;
                buf->offset = 0;
                buf->len = min_t(ssize_t, left, PAGE_SIZE);
index 26a5c90..3b413f8 100644 (file)
@@ -869,11 +869,14 @@ static void kmem_cache_invalid_free(struct kunit *test)
        kmem_cache_destroy(cache);
 }
 
+static void empty_cache_ctor(void *object) { }
+
 static void kmem_cache_double_destroy(struct kunit *test)
 {
        struct kmem_cache *cache;
 
-       cache = kmem_cache_create("test_cache", 200, 0, 0, NULL);
+       /* Provide a constructor to prevent cache merging. */
+       cache = kmem_cache_create("test_cache", 200, 0, 0, empty_cache_ctor);
        KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);
        kmem_cache_destroy(cache);
        KUNIT_EXPECT_KASAN_FAIL(test, kmem_cache_destroy(cache));
index 61895cc..f294db8 100644 (file)
@@ -4159,10 +4159,10 @@ static int __init hugepages_setup(char *s)
                                pr_warn("HugeTLB: architecture can't support node specific alloc, ignoring!\n");
                                return 0;
                        }
+                       if (tmp >= nr_online_nodes)
+                               goto invalid;
                        node = tmp;
                        p += count + 1;
-                       if (node < 0 || node >= nr_online_nodes)
-                               goto invalid;
                        /* Parse hugepages */
                        if (sscanf(p, "%lu%n", &tmp, &count) != 1)
                                goto invalid;
@@ -4851,14 +4851,13 @@ again:
 }
 
 static void move_huge_pte(struct vm_area_struct *vma, unsigned long old_addr,
-                         unsigned long new_addr, pte_t *src_pte)
+                         unsigned long new_addr, pte_t *src_pte, pte_t *dst_pte)
 {
        struct hstate *h = hstate_vma(vma);
        struct mm_struct *mm = vma->vm_mm;
-       pte_t *dst_pte, pte;
        spinlock_t *src_ptl, *dst_ptl;
+       pte_t pte;
 
-       dst_pte = huge_pte_offset(mm, new_addr, huge_page_size(h));
        dst_ptl = huge_pte_lock(h, mm, dst_pte);
        src_ptl = huge_pte_lockptr(h, mm, src_pte);
 
@@ -4917,7 +4916,7 @@ int move_hugetlb_page_tables(struct vm_area_struct *vma,
                if (!dst_pte)
                        break;
 
-               move_huge_pte(vma, old_addr, new_addr, src_pte);
+               move_huge_pte(vma, old_addr, new_addr, src_pte, dst_pte);
        }
        flush_tlb_range(vma, old_end - len, old_end);
        mmu_notifier_invalidate_range_end(&range);
index 1018e50..b12a364 100644 (file)
@@ -366,14 +366,20 @@ void __init memblock_discard(void)
                addr = __pa(memblock.reserved.regions);
                size = PAGE_ALIGN(sizeof(struct memblock_region) *
                                  memblock.reserved.max);
-               memblock_free_late(addr, size);
+               if (memblock_reserved_in_slab)
+                       kfree(memblock.reserved.regions);
+               else
+                       memblock_free_late(addr, size);
        }
 
        if (memblock.memory.regions != memblock_memory_init_regions) {
                addr = __pa(memblock.memory.regions);
                size = PAGE_ALIGN(sizeof(struct memblock_region) *
                                  memblock.memory.max);
-               memblock_free_late(addr, size);
+               if (memblock_memory_in_slab)
+                       kfree(memblock.memory.regions);
+               else
+                       memblock_free_late(addr, size);
        }
 
        memblock_memory = NULL;
index 1e8fdb0..d445c1b 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -3186,6 +3186,7 @@ void exit_mmap(struct mm_struct *mm)
                vma = remove_vma(vma);
                cond_resched();
        }
+       mm->mmap = NULL;
        mmap_write_unlock(mm);
        vm_unacct_memory(nr_accounted);
 }
index a271688..307ee11 100644 (file)
@@ -2006,7 +2006,7 @@ struct j1939_session *j1939_tp_send(struct j1939_priv *priv,
                /* set the end-packet for broadcast */
                session->pkt.last = session->pkt.total;
 
-       skcb->tskey = session->sk->sk_tskey++;
+       skcb->tskey = atomic_inc_return(&session->sk->sk_tskey) - 1;
        session->tskey = skcb->tskey;
 
        return session;
index 4603b7c..9eb7858 100644 (file)
@@ -2710,6 +2710,9 @@ BPF_CALL_4(bpf_msg_push_data, struct sk_msg *, msg, u32, start,
        if (unlikely(flags))
                return -EINVAL;
 
+       if (unlikely(len == 0))
+               return 0;
+
        /* First find the starting scatterlist element */
        i = msg->sg.start;
        do {
index 53ea262..fbddf96 100644 (file)
@@ -213,7 +213,7 @@ static ssize_t speed_show(struct device *dev,
        if (!rtnl_trylock())
                return restart_syscall();
 
-       if (netif_running(netdev)) {
+       if (netif_running(netdev) && netif_device_present(netdev)) {
                struct ethtool_link_ksettings cmd;
 
                if (!__ethtool_get_link_ksettings(netdev, &cmd))
index 9d0388b..b8138c3 100644 (file)
@@ -2276,7 +2276,7 @@ void *__pskb_pull_tail(struct sk_buff *skb, int delta)
                /* Free pulled out fragments. */
                while ((list = skb_shinfo(skb)->frag_list) != insp) {
                        skb_shinfo(skb)->frag_list = list->next;
-                       kfree_skb(list);
+                       consume_skb(list);
                }
                /* And insert new clone at head. */
                if (clone) {
@@ -4730,7 +4730,7 @@ static void __skb_complete_tx_timestamp(struct sk_buff *skb,
        if (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID) {
                serr->ee.ee_data = skb_shinfo(skb)->tskey;
                if (sk_is_tcp(sk))
-                       serr->ee.ee_data -= sk->sk_tskey;
+                       serr->ee.ee_data -= atomic_read(&sk->sk_tskey);
        }
 
        err = sock_queue_err_skb(sk, skb);
@@ -6105,7 +6105,7 @@ static int pskb_carve_frag_list(struct sk_buff *skb,
        /* Free pulled out fragments. */
        while ((list = shinfo->frag_list) != insp) {
                shinfo->frag_list = list->next;
-               kfree_skb(list);
+               consume_skb(list);
        }
        /* And insert new clone at head. */
        if (clone) {
index 4ff806d..6eb1748 100644 (file)
@@ -879,9 +879,9 @@ int sock_set_timestamping(struct sock *sk, int optname,
                        if ((1 << sk->sk_state) &
                            (TCPF_CLOSE | TCPF_LISTEN))
                                return -EINVAL;
-                       sk->sk_tskey = tcp_sk(sk)->snd_una;
+                       atomic_set(&sk->sk_tskey, tcp_sk(sk)->snd_una);
                } else {
-                       sk->sk_tskey = 0;
+                       atomic_set(&sk->sk_tskey, 0);
                }
        }
 
index 2199104..880f910 100644 (file)
@@ -260,11 +260,16 @@ static void dsa_netdev_ops_set(struct net_device *dev,
        dev->dsa_ptr->netdev_ops = ops;
 }
 
+/* Keep the master always promiscuous if the tagging protocol requires that
+ * (garbles MAC DA) or if it doesn't support unicast filtering, case in which
+ * it would revert to promiscuous mode as soon as we call dev_uc_add() on it
+ * anyway.
+ */
 static void dsa_master_set_promiscuity(struct net_device *dev, int inc)
 {
        const struct dsa_device_ops *ops = dev->dsa_ptr->tag_ops;
 
-       if (!ops->promisc_on_master)
+       if ((dev->priv_flags & IFF_UNICAST_FLT) && !ops->promisc_on_master)
                return;
 
        ASSERT_RTNL();
index bd78192..1a40c52 100644 (file)
@@ -395,10 +395,17 @@ void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br)
                .tree_index = dp->ds->dst->index,
                .sw_index = dp->ds->index,
                .port = dp->index,
-               .bridge = *dp->bridge,
        };
        int err;
 
+       /* If the port could not be offloaded to begin with, then
+        * there is nothing to do.
+        */
+       if (!dp->bridge)
+               return;
+
+       info.bridge = *dp->bridge;
+
        /* Here the port is already unbridged. Reflect the current configuration
         * so that drivers can program their chips accordingly.
         */
@@ -781,9 +788,15 @@ int dsa_port_host_fdb_add(struct dsa_port *dp, const unsigned char *addr,
        struct dsa_port *cpu_dp = dp->cpu_dp;
        int err;
 
-       err = dev_uc_add(cpu_dp->master, addr);
-       if (err)
-               return err;
+       /* Avoid a call to __dev_set_promiscuity() on the master, which
+        * requires rtnl_lock(), since we can't guarantee that is held here,
+        * and we can't take it either.
+        */
+       if (cpu_dp->master->priv_flags & IFF_UNICAST_FLT) {
+               err = dev_uc_add(cpu_dp->master, addr);
+               if (err)
+                       return err;
+       }
 
        return dsa_port_notify(dp, DSA_NOTIFIER_HOST_FDB_ADD, &info);
 }
@@ -800,9 +813,11 @@ int dsa_port_host_fdb_del(struct dsa_port *dp, const unsigned char *addr,
        struct dsa_port *cpu_dp = dp->cpu_dp;
        int err;
 
-       err = dev_uc_del(cpu_dp->master, addr);
-       if (err)
-               return err;
+       if (cpu_dp->master->priv_flags & IFF_UNICAST_FLT) {
+               err = dev_uc_del(cpu_dp->master, addr);
+               if (err)
+                       return err;
+       }
 
        return dsa_port_notify(dp, DSA_NOTIFIER_HOST_FDB_DEL, &info);
 }
index 9c465ba..72fde28 100644 (file)
@@ -1376,8 +1376,11 @@ struct sk_buff *inet_gso_segment(struct sk_buff *skb,
        }
 
        ops = rcu_dereference(inet_offloads[proto]);
-       if (likely(ops && ops->callbacks.gso_segment))
+       if (likely(ops && ops->callbacks.gso_segment)) {
                segs = ops->callbacks.gso_segment(skb, features);
+               if (!segs)
+                       skb->network_header = skb_mac_header(skb) + nhoff - skb->head;
+       }
 
        if (IS_ERR_OR_NULL(segs))
                goto out;
index 139cec2..7911916 100644 (file)
@@ -991,7 +991,7 @@ static int __ip_append_data(struct sock *sk,
 
        if (cork->tx_flags & SKBTX_ANY_SW_TSTAMP &&
            sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID)
-               tskey = sk->sk_tskey++;
+               tskey = atomic_inc_return(&sk->sk_tskey) - 1;
 
        hh_len = LL_RESERVED_SPACE(rt->dst.dev);
 
index 3a5994b..3ee9475 100644 (file)
@@ -187,7 +187,6 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident)
                         (int)ident, &ipv6_hdr(skb)->daddr, dif);
 #endif
        } else {
-               pr_err("ping: protocol(%x) is not supported\n", ntohs(skb->protocol));
                return NULL;
        }
 
index b910035..bc3a043 100644 (file)
@@ -846,7 +846,7 @@ udp_tunnel_nic_unregister(struct net_device *dev, struct udp_tunnel_nic *utn)
                list_for_each_entry(node, &info->shared->devices, list)
                        if (node->dev == dev)
                                break;
-               if (node->dev != dev)
+               if (list_entry_is_head(node, &info->shared->devices, list))
                        return;
 
                list_del(&node->list);
index 3f23da8..6c8ab3e 100644 (file)
@@ -4998,6 +4998,7 @@ static int inet6_fill_ifaddr(struct sk_buff *skb, struct inet6_ifaddr *ifa,
            nla_put_s32(skb, IFA_TARGET_NETNSID, args->netnsid))
                goto error;
 
+       spin_lock_bh(&ifa->lock);
        if (!((ifa->flags&IFA_F_PERMANENT) &&
              (ifa->prefered_lft == INFINITY_LIFE_TIME))) {
                preferred = ifa->prefered_lft;
@@ -5019,6 +5020,7 @@ static int inet6_fill_ifaddr(struct sk_buff *skb, struct inet6_ifaddr *ifa,
                preferred = INFINITY_LIFE_TIME;
                valid = INFINITY_LIFE_TIME;
        }
+       spin_unlock_bh(&ifa->lock);
 
        if (!ipv6_addr_any(&ifa->peer_addr)) {
                if (nla_put_in6_addr(skb, IFA_LOCAL, &ifa->addr) < 0 ||
index b29e9ba..5f577e2 100644 (file)
@@ -114,6 +114,8 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
        if (likely(ops && ops->callbacks.gso_segment)) {
                skb_reset_transport_header(skb);
                segs = ops->callbacks.gso_segment(skb, features);
+               if (!segs)
+                       skb->network_header = skb_mac_header(skb) + nhoff - skb->head;
        }
 
        if (IS_ERR_OR_NULL(segs))
index 2995f8d..304a295 100644 (file)
@@ -1465,7 +1465,7 @@ static int __ip6_append_data(struct sock *sk,
 
        if (cork->tx_flags & SKBTX_ANY_SW_TSTAMP &&
            sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID)
-               tskey = sk->sk_tskey++;
+               tskey = atomic_inc_return(&sk->sk_tskey) - 1;
 
        hh_len = LL_RESERVED_SPACE(rt->dst.dev);
 
index 3240b72..7558802 100644 (file)
@@ -35,12 +35,14 @@ static const struct snmp_mib mptcp_snmp_list[] = {
        SNMP_MIB_ITEM("AddAddr", MPTCP_MIB_ADDADDR),
        SNMP_MIB_ITEM("EchoAdd", MPTCP_MIB_ECHOADD),
        SNMP_MIB_ITEM("PortAdd", MPTCP_MIB_PORTADD),
+       SNMP_MIB_ITEM("AddAddrDrop", MPTCP_MIB_ADDADDRDROP),
        SNMP_MIB_ITEM("MPJoinPortSynRx", MPTCP_MIB_JOINPORTSYNRX),
        SNMP_MIB_ITEM("MPJoinPortSynAckRx", MPTCP_MIB_JOINPORTSYNACKRX),
        SNMP_MIB_ITEM("MPJoinPortAckRx", MPTCP_MIB_JOINPORTACKRX),
        SNMP_MIB_ITEM("MismatchPortSynRx", MPTCP_MIB_MISMATCHPORTSYNRX),
        SNMP_MIB_ITEM("MismatchPortAckRx", MPTCP_MIB_MISMATCHPORTACKRX),
        SNMP_MIB_ITEM("RmAddr", MPTCP_MIB_RMADDR),
+       SNMP_MIB_ITEM("RmAddrDrop", MPTCP_MIB_RMADDRDROP),
        SNMP_MIB_ITEM("RmSubflow", MPTCP_MIB_RMSUBFLOW),
        SNMP_MIB_ITEM("MPPrioTx", MPTCP_MIB_MPPRIOTX),
        SNMP_MIB_ITEM("MPPrioRx", MPTCP_MIB_MPPRIORX),
index ecd3d8b..2966fcb 100644 (file)
@@ -28,12 +28,14 @@ enum linux_mptcp_mib_field {
        MPTCP_MIB_ADDADDR,              /* Received ADD_ADDR with echo-flag=0 */
        MPTCP_MIB_ECHOADD,              /* Received ADD_ADDR with echo-flag=1 */
        MPTCP_MIB_PORTADD,              /* Received ADD_ADDR with a port-number */
+       MPTCP_MIB_ADDADDRDROP,          /* Dropped incoming ADD_ADDR */
        MPTCP_MIB_JOINPORTSYNRX,        /* Received a SYN MP_JOIN with a different port-number */
        MPTCP_MIB_JOINPORTSYNACKRX,     /* Received a SYNACK MP_JOIN with a different port-number */
        MPTCP_MIB_JOINPORTACKRX,        /* Received an ACK MP_JOIN with a different port-number */
        MPTCP_MIB_MISMATCHPORTSYNRX,    /* Received a SYN MP_JOIN with a mismatched port-number */
        MPTCP_MIB_MISMATCHPORTACKRX,    /* Received an ACK MP_JOIN with a mismatched port-number */
        MPTCP_MIB_RMADDR,               /* Received RM_ADDR */
+       MPTCP_MIB_RMADDRDROP,           /* Dropped incoming RM_ADDR */
        MPTCP_MIB_RMSUBFLOW,            /* Remove a subflow */
        MPTCP_MIB_MPPRIOTX,             /* Transmit a MP_PRIO */
        MPTCP_MIB_MPPRIORX,             /* Received a MP_PRIO */
index 696b2c4..7bea318 100644 (file)
@@ -213,6 +213,8 @@ void mptcp_pm_add_addr_received(struct mptcp_sock *msk,
                mptcp_pm_add_addr_send_ack(msk);
        } else if (mptcp_pm_schedule_work(msk, MPTCP_PM_ADD_ADDR_RECEIVED)) {
                pm->remote = *addr;
+       } else {
+               __MPTCP_INC_STATS(sock_net((struct sock *)msk), MPTCP_MIB_ADDADDRDROP);
        }
 
        spin_unlock_bh(&pm->lock);
@@ -253,8 +255,10 @@ void mptcp_pm_rm_addr_received(struct mptcp_sock *msk,
                mptcp_event_addr_removed(msk, rm_list->ids[i]);
 
        spin_lock_bh(&pm->lock);
-       mptcp_pm_schedule_work(msk, MPTCP_PM_RM_ADDR_RECEIVED);
-       pm->rm_list_rx = *rm_list;
+       if (mptcp_pm_schedule_work(msk, MPTCP_PM_RM_ADDR_RECEIVED))
+               pm->rm_list_rx = *rm_list;
+       else
+               __MPTCP_INC_STATS(sock_net((struct sock *)msk), MPTCP_MIB_RMADDRDROP);
        spin_unlock_bh(&pm->lock);
 }
 
index 356f596..4b5d795 100644 (file)
@@ -546,6 +546,16 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
        if (msk->pm.add_addr_signaled < add_addr_signal_max) {
                local = select_signal_address(pernet, msk);
 
+               /* due to racing events on both ends we can reach here while
+                * previous add address is still running: if we invoke now
+                * mptcp_pm_announce_addr(), that will fail and the
+                * corresponding id will be marked as used.
+                * Instead let the PM machinery reschedule us when the
+                * current address announce will be completed.
+                */
+               if (msk->pm.addr_signal & BIT(MPTCP_ADD_ADDR_SIGNAL))
+                       return;
+
                if (local) {
                        if (mptcp_pm_alloc_anno_list(msk, local)) {
                                __clear_bit(local->addr.id, msk->pm.id_avail_bitmap);
@@ -650,6 +660,7 @@ static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk)
        unsigned int add_addr_accept_max;
        struct mptcp_addr_info remote;
        unsigned int subflows_max;
+       bool reset_port = false;
        int i, nr;
 
        add_addr_accept_max = mptcp_pm_get_add_addr_accept_max(msk);
@@ -659,15 +670,19 @@ static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk)
                 msk->pm.add_addr_accepted, add_addr_accept_max,
                 msk->pm.remote.family);
 
-       if (lookup_subflow_by_daddr(&msk->conn_list, &msk->pm.remote))
+       remote = msk->pm.remote;
+       if (lookup_subflow_by_daddr(&msk->conn_list, &remote))
                goto add_addr_echo;
 
+       /* pick id 0 port, if none is provided the remote address */
+       if (!remote.port) {
+               reset_port = true;
+               remote.port = sk->sk_dport;
+       }
+
        /* connect to the specified remote address, using whatever
         * local address the routing configuration will pick.
         */
-       remote = msk->pm.remote;
-       if (!remote.port)
-               remote.port = sk->sk_dport;
        nr = fill_local_addresses_vec(msk, addrs);
 
        msk->pm.add_addr_accepted++;
@@ -680,8 +695,12 @@ static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk)
                __mptcp_subflow_connect(sk, &addrs[i], &remote);
        spin_lock_bh(&msk->pm.lock);
 
+       /* be sure to echo exactly the received address */
+       if (reset_port)
+               remote.port = 0;
+
 add_addr_echo:
-       mptcp_pm_announce_addr(msk, &msk->pm.remote, true);
+       mptcp_pm_announce_addr(msk, &remote, true);
        mptcp_pm_nl_addr_send_ack(msk);
 }
 
index 5fa1699..9cd1d7a 100644 (file)
@@ -6551,12 +6551,15 @@ static int nf_tables_updobj(const struct nft_ctx *ctx,
 {
        struct nft_object *newobj;
        struct nft_trans *trans;
-       int err;
+       int err = -ENOMEM;
+
+       if (!try_module_get(type->owner))
+               return -ENOENT;
 
        trans = nft_trans_alloc(ctx, NFT_MSG_NEWOBJ,
                                sizeof(struct nft_trans_obj));
        if (!trans)
-               return -ENOMEM;
+               goto err_trans;
 
        newobj = nft_obj_init(ctx, type, attr);
        if (IS_ERR(newobj)) {
@@ -6573,6 +6576,8 @@ static int nf_tables_updobj(const struct nft_ctx *ctx,
 
 err_free_trans:
        kfree(trans);
+err_trans:
+       module_put(type->owner);
        return err;
 }
 
@@ -8185,7 +8190,7 @@ static void nft_obj_commit_update(struct nft_trans *trans)
        if (obj->ops->update)
                obj->ops->update(obj, newobj);
 
-       kfree(newobj);
+       nft_obj_destroy(&trans->ctx, newobj);
 }
 
 static void nft_commit_release(struct nft_trans *trans)
@@ -8976,7 +8981,7 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
                        break;
                case NFT_MSG_NEWOBJ:
                        if (nft_trans_obj_update(trans)) {
-                               kfree(nft_trans_obj_newobj(trans));
+                               nft_obj_destroy(&trans->ctx, nft_trans_obj_newobj(trans));
                                nft_trans_destroy(trans);
                        } else {
                                trans->ctx.table->use--;
@@ -9636,10 +9641,13 @@ EXPORT_SYMBOL_GPL(__nft_release_basechain);
 
 static void __nft_release_hook(struct net *net, struct nft_table *table)
 {
+       struct nft_flowtable *flowtable;
        struct nft_chain *chain;
 
        list_for_each_entry(chain, &table->chains, list)
                nf_tables_unregister_hook(net, table, chain);
+       list_for_each_entry(flowtable, &table->flowtables, list)
+               nft_unregister_flowtable_net_hooks(net, &flowtable->hook_list);
 }
 
 static void __nft_release_hooks(struct net *net)
index 9656c16..2d36952 100644 (file)
@@ -94,7 +94,8 @@ struct nft_flow_rule *nft_flow_rule_create(struct net *net,
 
        expr = nft_expr_first(rule);
        while (nft_expr_more(rule, expr)) {
-               if (expr->ops->offload_flags & NFT_OFFLOAD_F_ACTION)
+               if (expr->ops->offload_action &&
+                   expr->ops->offload_action(expr))
                        num_actions++;
 
                expr = nft_expr_next(expr);
index bbf3fcb..5b5c607 100644 (file)
@@ -67,6 +67,11 @@ static int nft_dup_netdev_offload(struct nft_offload_ctx *ctx,
        return nft_fwd_dup_netdev_offload(ctx, flow, FLOW_ACTION_MIRRED, oif);
 }
 
+static bool nft_dup_netdev_offload_action(const struct nft_expr *expr)
+{
+       return true;
+}
+
 static struct nft_expr_type nft_dup_netdev_type;
 static const struct nft_expr_ops nft_dup_netdev_ops = {
        .type           = &nft_dup_netdev_type,
@@ -75,6 +80,7 @@ static const struct nft_expr_ops nft_dup_netdev_ops = {
        .init           = nft_dup_netdev_init,
        .dump           = nft_dup_netdev_dump,
        .offload        = nft_dup_netdev_offload,
+       .offload_action = nft_dup_netdev_offload_action,
 };
 
 static struct nft_expr_type nft_dup_netdev_type __read_mostly = {
index fa9301c..619e394 100644 (file)
@@ -79,6 +79,11 @@ static int nft_fwd_netdev_offload(struct nft_offload_ctx *ctx,
        return nft_fwd_dup_netdev_offload(ctx, flow, FLOW_ACTION_REDIRECT, oif);
 }
 
+static bool nft_fwd_netdev_offload_action(const struct nft_expr *expr)
+{
+       return true;
+}
+
 struct nft_fwd_neigh {
        u8                      sreg_dev;
        u8                      sreg_addr;
@@ -222,6 +227,7 @@ static const struct nft_expr_ops nft_fwd_netdev_ops = {
        .dump           = nft_fwd_netdev_dump,
        .validate       = nft_fwd_validate,
        .offload        = nft_fwd_netdev_offload,
+       .offload_action = nft_fwd_netdev_offload_action,
 };
 
 static const struct nft_expr_ops *
index 90c64d2..d0f67d3 100644 (file)
@@ -213,6 +213,16 @@ static int nft_immediate_offload(struct nft_offload_ctx *ctx,
        return 0;
 }
 
+static bool nft_immediate_offload_action(const struct nft_expr *expr)
+{
+       const struct nft_immediate_expr *priv = nft_expr_priv(expr);
+
+       if (priv->dreg == NFT_REG_VERDICT)
+               return true;
+
+       return false;
+}
+
 static const struct nft_expr_ops nft_imm_ops = {
        .type           = &nft_imm_type,
        .size           = NFT_EXPR_SIZE(sizeof(struct nft_immediate_expr)),
@@ -224,7 +234,7 @@ static const struct nft_expr_ops nft_imm_ops = {
        .dump           = nft_immediate_dump,
        .validate       = nft_immediate_validate,
        .offload        = nft_immediate_offload,
-       .offload_flags  = NFT_OFFLOAD_F_ACTION,
+       .offload_action = nft_immediate_offload_action,
 };
 
 struct nft_expr_type nft_imm_type __read_mostly = {
index c4f3084..a726b62 100644 (file)
@@ -340,11 +340,20 @@ static int nft_limit_obj_pkts_dump(struct sk_buff *skb,
        return nft_limit_dump(skb, &priv->limit, NFT_LIMIT_PKTS);
 }
 
+static void nft_limit_obj_pkts_destroy(const struct nft_ctx *ctx,
+                                      struct nft_object *obj)
+{
+       struct nft_limit_priv_pkts *priv = nft_obj_data(obj);
+
+       nft_limit_destroy(ctx, &priv->limit);
+}
+
 static struct nft_object_type nft_limit_obj_type;
 static const struct nft_object_ops nft_limit_obj_pkts_ops = {
        .type           = &nft_limit_obj_type,
        .size           = NFT_EXPR_SIZE(sizeof(struct nft_limit_priv_pkts)),
        .init           = nft_limit_obj_pkts_init,
+       .destroy        = nft_limit_obj_pkts_destroy,
        .eval           = nft_limit_obj_pkts_eval,
        .dump           = nft_limit_obj_pkts_dump,
 };
@@ -378,11 +387,20 @@ static int nft_limit_obj_bytes_dump(struct sk_buff *skb,
        return nft_limit_dump(skb, priv, NFT_LIMIT_PKT_BYTES);
 }
 
+static void nft_limit_obj_bytes_destroy(const struct nft_ctx *ctx,
+                                       struct nft_object *obj)
+{
+       struct nft_limit_priv *priv = nft_obj_data(obj);
+
+       nft_limit_destroy(ctx, priv);
+}
+
 static struct nft_object_type nft_limit_obj_type;
 static const struct nft_object_ops nft_limit_obj_bytes_ops = {
        .type           = &nft_limit_obj_type,
        .size           = sizeof(struct nft_limit_priv),
        .init           = nft_limit_obj_bytes_init,
+       .destroy        = nft_limit_obj_bytes_destroy,
        .eval           = nft_limit_obj_bytes_eval,
        .dump           = nft_limit_obj_bytes_dump,
 };
index 662e5eb..7013f55 100644 (file)
@@ -220,8 +220,10 @@ static void socket_mt_destroy(const struct xt_mtdtor_param *par)
 {
        if (par->family == NFPROTO_IPV4)
                nf_defrag_ipv4_disable(par->net);
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
        else if (par->family == NFPROTO_IPV6)
                nf_defrag_ipv6_disable(par->net);
+#endif
 }
 
 static struct xt_match socket_mt_reg[] __read_mostly = {
index 0767740..780d9e2 100644 (file)
@@ -423,12 +423,43 @@ static void set_ipv6_addr(struct sk_buff *skb, u8 l4_proto,
        memcpy(addr, new_addr, sizeof(__be32[4]));
 }
 
-static void set_ipv6_fl(struct ipv6hdr *nh, u32 fl, u32 mask)
+static void set_ipv6_dsfield(struct sk_buff *skb, struct ipv6hdr *nh, u8 ipv6_tclass, u8 mask)
 {
+       u8 old_ipv6_tclass = ipv6_get_dsfield(nh);
+
+       ipv6_tclass = OVS_MASKED(old_ipv6_tclass, ipv6_tclass, mask);
+
+       if (skb->ip_summed == CHECKSUM_COMPLETE)
+               csum_replace(&skb->csum, (__force __wsum)(old_ipv6_tclass << 12),
+                            (__force __wsum)(ipv6_tclass << 12));
+
+       ipv6_change_dsfield(nh, ~mask, ipv6_tclass);
+}
+
+static void set_ipv6_fl(struct sk_buff *skb, struct ipv6hdr *nh, u32 fl, u32 mask)
+{
+       u32 ofl;
+
+       ofl = nh->flow_lbl[0] << 16 |  nh->flow_lbl[1] << 8 |  nh->flow_lbl[2];
+       fl = OVS_MASKED(ofl, fl, mask);
+
        /* Bits 21-24 are always unmasked, so this retains their values. */
-       OVS_SET_MASKED(nh->flow_lbl[0], (u8)(fl >> 16), (u8)(mask >> 16));
-       OVS_SET_MASKED(nh->flow_lbl[1], (u8)(fl >> 8), (u8)(mask >> 8));
-       OVS_SET_MASKED(nh->flow_lbl[2], (u8)fl, (u8)mask);
+       nh->flow_lbl[0] = (u8)(fl >> 16);
+       nh->flow_lbl[1] = (u8)(fl >> 8);
+       nh->flow_lbl[2] = (u8)fl;
+
+       if (skb->ip_summed == CHECKSUM_COMPLETE)
+               csum_replace(&skb->csum, (__force __wsum)htonl(ofl), (__force __wsum)htonl(fl));
+}
+
+static void set_ipv6_ttl(struct sk_buff *skb, struct ipv6hdr *nh, u8 new_ttl, u8 mask)
+{
+       new_ttl = OVS_MASKED(nh->hop_limit, new_ttl, mask);
+
+       if (skb->ip_summed == CHECKSUM_COMPLETE)
+               csum_replace(&skb->csum, (__force __wsum)(nh->hop_limit << 8),
+                            (__force __wsum)(new_ttl << 8));
+       nh->hop_limit = new_ttl;
 }
 
 static void set_ip_ttl(struct sk_buff *skb, struct iphdr *nh, u8 new_ttl,
@@ -546,18 +577,17 @@ static int set_ipv6(struct sk_buff *skb, struct sw_flow_key *flow_key,
                }
        }
        if (mask->ipv6_tclass) {
-               ipv6_change_dsfield(nh, ~mask->ipv6_tclass, key->ipv6_tclass);
+               set_ipv6_dsfield(skb, nh, key->ipv6_tclass, mask->ipv6_tclass);
                flow_key->ip.tos = ipv6_get_dsfield(nh);
        }
        if (mask->ipv6_label) {
-               set_ipv6_fl(nh, ntohl(key->ipv6_label),
+               set_ipv6_fl(skb, nh, ntohl(key->ipv6_label),
                            ntohl(mask->ipv6_label));
                flow_key->ipv6.label =
                    *(__be32 *)nh & htonl(IPV6_FLOWINFO_FLOWLABEL);
        }
        if (mask->ipv6_hlimit) {
-               OVS_SET_MASKED(nh->hop_limit, key->ipv6_hlimit,
-                              mask->ipv6_hlimit);
+               set_ipv6_ttl(skb, nh, key->ipv6_hlimit, mask->ipv6_hlimit);
                flow_key->ip.ttl = nh->hop_limit;
        }
        return 0;
index 2811348..ca03e72 100644 (file)
@@ -274,7 +274,7 @@ static int tcf_action_offload_add_ex(struct tc_action *action,
        err = tc_setup_action(&fl_action->action, actions);
        if (err) {
                NL_SET_ERR_MSG_MOD(extack,
-                                  "Failed to setup tc actions for offload\n");
+                                  "Failed to setup tc actions for offload");
                goto fl_err;
        }
 
index f99247f..33e70d6 100644 (file)
@@ -533,11 +533,6 @@ static bool tcf_ct_flow_table_lookup(struct tcf_ct_params *p,
        struct nf_conn *ct;
        u8 dir;
 
-       /* Previously seen or loopback */
-       ct = nf_ct_get(skb, &ctinfo);
-       if ((ct && !nf_ct_is_template(ct)) || ctinfo == IP_CT_UNTRACKED)
-               return false;
-
        switch (family) {
        case NFPROTO_IPV4:
                if (!tcf_ct_flow_table_fill_tuple_ipv4(skb, &tuple, &tcph))
index 0599246..29f0a55 100644 (file)
@@ -113,7 +113,7 @@ static int smc_pnet_remove_by_pnetid(struct net *net, char *pnet_name)
        pnettable = &sn->pnettable;
 
        /* remove table entry */
-       write_lock(&pnettable->lock);
+       mutex_lock(&pnettable->lock);
        list_for_each_entry_safe(pnetelem, tmp_pe, &pnettable->pnetlist,
                                 list) {
                if (!pnet_name ||
@@ -131,7 +131,7 @@ static int smc_pnet_remove_by_pnetid(struct net *net, char *pnet_name)
                        rc = 0;
                }
        }
-       write_unlock(&pnettable->lock);
+       mutex_unlock(&pnettable->lock);
 
        /* if this is not the initial namespace, stop here */
        if (net != &init_net)
@@ -192,7 +192,7 @@ static int smc_pnet_add_by_ndev(struct net_device *ndev)
        sn = net_generic(net, smc_net_id);
        pnettable = &sn->pnettable;
 
-       write_lock(&pnettable->lock);
+       mutex_lock(&pnettable->lock);
        list_for_each_entry_safe(pnetelem, tmp_pe, &pnettable->pnetlist, list) {
                if (pnetelem->type == SMC_PNET_ETH && !pnetelem->ndev &&
                    !strncmp(pnetelem->eth_name, ndev->name, IFNAMSIZ)) {
@@ -206,7 +206,7 @@ static int smc_pnet_add_by_ndev(struct net_device *ndev)
                        break;
                }
        }
-       write_unlock(&pnettable->lock);
+       mutex_unlock(&pnettable->lock);
        return rc;
 }
 
@@ -224,7 +224,7 @@ static int smc_pnet_remove_by_ndev(struct net_device *ndev)
        sn = net_generic(net, smc_net_id);
        pnettable = &sn->pnettable;
 
-       write_lock(&pnettable->lock);
+       mutex_lock(&pnettable->lock);
        list_for_each_entry_safe(pnetelem, tmp_pe, &pnettable->pnetlist, list) {
                if (pnetelem->type == SMC_PNET_ETH && pnetelem->ndev == ndev) {
                        dev_put_track(pnetelem->ndev, &pnetelem->dev_tracker);
@@ -237,7 +237,7 @@ static int smc_pnet_remove_by_ndev(struct net_device *ndev)
                        break;
                }
        }
-       write_unlock(&pnettable->lock);
+       mutex_unlock(&pnettable->lock);
        return rc;
 }
 
@@ -370,7 +370,7 @@ static int smc_pnet_add_eth(struct smc_pnettable *pnettable, struct net *net,
        strncpy(new_pe->eth_name, eth_name, IFNAMSIZ);
        rc = -EEXIST;
        new_netdev = true;
-       write_lock(&pnettable->lock);
+       mutex_lock(&pnettable->lock);
        list_for_each_entry(tmp_pe, &pnettable->pnetlist, list) {
                if (tmp_pe->type == SMC_PNET_ETH &&
                    !strncmp(tmp_pe->eth_name, eth_name, IFNAMSIZ)) {
@@ -385,9 +385,9 @@ static int smc_pnet_add_eth(struct smc_pnettable *pnettable, struct net *net,
                                             GFP_ATOMIC);
                }
                list_add_tail(&new_pe->list, &pnettable->pnetlist);
-               write_unlock(&pnettable->lock);
+               mutex_unlock(&pnettable->lock);
        } else {
-               write_unlock(&pnettable->lock);
+               mutex_unlock(&pnettable->lock);
                kfree(new_pe);
                goto out_put;
        }
@@ -448,7 +448,7 @@ static int smc_pnet_add_ib(struct smc_pnettable *pnettable, char *ib_name,
        new_pe->ib_port = ib_port;
 
        new_ibdev = true;
-       write_lock(&pnettable->lock);
+       mutex_lock(&pnettable->lock);
        list_for_each_entry(tmp_pe, &pnettable->pnetlist, list) {
                if (tmp_pe->type == SMC_PNET_IB &&
                    !strncmp(tmp_pe->ib_name, ib_name, IB_DEVICE_NAME_MAX)) {
@@ -458,9 +458,9 @@ static int smc_pnet_add_ib(struct smc_pnettable *pnettable, char *ib_name,
        }
        if (new_ibdev) {
                list_add_tail(&new_pe->list, &pnettable->pnetlist);
-               write_unlock(&pnettable->lock);
+               mutex_unlock(&pnettable->lock);
        } else {
-               write_unlock(&pnettable->lock);
+               mutex_unlock(&pnettable->lock);
                kfree(new_pe);
        }
        return (new_ibdev) ? 0 : -EEXIST;
@@ -605,7 +605,7 @@ static int _smc_pnet_dump(struct net *net, struct sk_buff *skb, u32 portid,
        pnettable = &sn->pnettable;
 
        /* dump pnettable entries */
-       read_lock(&pnettable->lock);
+       mutex_lock(&pnettable->lock);
        list_for_each_entry(pnetelem, &pnettable->pnetlist, list) {
                if (pnetid && !smc_pnet_match(pnetelem->pnet_name, pnetid))
                        continue;
@@ -620,7 +620,7 @@ static int _smc_pnet_dump(struct net *net, struct sk_buff *skb, u32 portid,
                        break;
                }
        }
-       read_unlock(&pnettable->lock);
+       mutex_unlock(&pnettable->lock);
        return idx;
 }
 
@@ -864,7 +864,7 @@ int smc_pnet_net_init(struct net *net)
        struct smc_pnetids_ndev *pnetids_ndev = &sn->pnetids_ndev;
 
        INIT_LIST_HEAD(&pnettable->pnetlist);
-       rwlock_init(&pnettable->lock);
+       mutex_init(&pnettable->lock);
        INIT_LIST_HEAD(&pnetids_ndev->list);
        rwlock_init(&pnetids_ndev->lock);
 
@@ -944,7 +944,7 @@ static int smc_pnet_find_ndev_pnetid_by_table(struct net_device *ndev,
        sn = net_generic(net, smc_net_id);
        pnettable = &sn->pnettable;
 
-       read_lock(&pnettable->lock);
+       mutex_lock(&pnettable->lock);
        list_for_each_entry(pnetelem, &pnettable->pnetlist, list) {
                if (pnetelem->type == SMC_PNET_ETH && ndev == pnetelem->ndev) {
                        /* get pnetid of netdev device */
@@ -953,7 +953,7 @@ static int smc_pnet_find_ndev_pnetid_by_table(struct net_device *ndev,
                        break;
                }
        }
-       read_unlock(&pnettable->lock);
+       mutex_unlock(&pnettable->lock);
        return rc;
 }
 
@@ -1156,7 +1156,7 @@ int smc_pnetid_by_table_ib(struct smc_ib_device *smcibdev, u8 ib_port)
        sn = net_generic(&init_net, smc_net_id);
        pnettable = &sn->pnettable;
 
-       read_lock(&pnettable->lock);
+       mutex_lock(&pnettable->lock);
        list_for_each_entry(tmp_pe, &pnettable->pnetlist, list) {
                if (tmp_pe->type == SMC_PNET_IB &&
                    !strncmp(tmp_pe->ib_name, ib_name, IB_DEVICE_NAME_MAX) &&
@@ -1166,7 +1166,7 @@ int smc_pnetid_by_table_ib(struct smc_ib_device *smcibdev, u8 ib_port)
                        break;
                }
        }
-       read_unlock(&pnettable->lock);
+       mutex_unlock(&pnettable->lock);
 
        return rc;
 }
@@ -1185,7 +1185,7 @@ int smc_pnetid_by_table_smcd(struct smcd_dev *smcddev)
        sn = net_generic(&init_net, smc_net_id);
        pnettable = &sn->pnettable;
 
-       read_lock(&pnettable->lock);
+       mutex_lock(&pnettable->lock);
        list_for_each_entry(tmp_pe, &pnettable->pnetlist, list) {
                if (tmp_pe->type == SMC_PNET_IB &&
                    !strncmp(tmp_pe->ib_name, ib_name, IB_DEVICE_NAME_MAX)) {
@@ -1194,7 +1194,7 @@ int smc_pnetid_by_table_smcd(struct smcd_dev *smcddev)
                        break;
                }
        }
-       read_unlock(&pnettable->lock);
+       mutex_unlock(&pnettable->lock);
 
        return rc;
 }
index 1403927..80a88ee 100644 (file)
@@ -29,7 +29,7 @@ struct smc_link_group;
  * @pnetlist: List of PNETIDs
  */
 struct smc_pnettable {
-       rwlock_t lock;
+       struct mutex lock;
        struct list_head pnetlist;
 };
 
index 01396dd..1d8ba23 100644 (file)
@@ -967,7 +967,7 @@ static int __tipc_nl_add_nametable_publ(struct tipc_nl_msg *msg,
                list_for_each_entry(p, &sr->all_publ, all_publ)
                        if (p->key == *last_key)
                                break;
-               if (p->key != *last_key)
+               if (list_entry_is_head(p, &sr->all_publ, all_publ))
                        return -EPIPE;
        } else {
                p = list_first_entry(&sr->all_publ,
index 3e63c83..7545321 100644 (file)
@@ -3749,7 +3749,7 @@ static int __tipc_nl_list_sk_publ(struct sk_buff *skb,
                        if (p->key == *last_publ)
                                break;
                }
-               if (p->key != *last_publ) {
+               if (list_entry_is_head(p, &tsk->publications, binding_sock)) {
                        /* We never set seq or call nl_dump_check_consistent()
                         * this means that setting prev_seq here will cause the
                         * consistence check to fail in the netlink callback
index 727c4e4..ff7aea6 100644 (file)
@@ -77,7 +77,7 @@ void selinux_ima_measure_state_locked(struct selinux_state *state)
        size_t policy_len;
        int rc = 0;
 
-       WARN_ON(!mutex_is_locked(&state->policy_mutex));
+       lockdep_assert_held(&state->policy_mutex);
 
        state_str = selinux_ima_collect_state(state);
        if (!state_str) {
@@ -117,7 +117,7 @@ void selinux_ima_measure_state_locked(struct selinux_state *state)
  */
 void selinux_ima_measure_state(struct selinux_state *state)
 {
-       WARN_ON(mutex_is_locked(&state->policy_mutex));
+       lockdep_assert_not_held(&state->policy_mutex);
 
        mutex_lock(&state->policy_mutex);
        selinux_ima_measure_state_locked(state);
index 3faf0f9..a4a39c3 100644 (file)
 #define MSR_AMD64_ICIBSEXTDCTL         0xc001103c
 #define MSR_AMD64_IBSOPDATA4           0xc001103d
 #define MSR_AMD64_IBS_REG_COUNT_MAX    8 /* includes MSR_AMD64_IBSBRTARGET */
+#define MSR_AMD64_SVM_AVIC_DOORBELL    0xc001011b
 #define MSR_AMD64_VM_PAGE_FLUSH                0xc001011e
 #define MSR_AMD64_SEV_ES_GHCB          0xc0010130
 #define MSR_AMD64_SEV                  0xc0010131
index 1600b17..1d3a90d 100644 (file)
@@ -11,7 +11,7 @@ from drgn.helpers.linux import list_for_each_entry, list_empty
 from drgn.helpers.linux import for_each_page
 from drgn.helpers.linux.cpumask import for_each_online_cpu
 from drgn.helpers.linux.percpu import per_cpu_ptr
-from drgn import container_of, FaultError, Object
+from drgn import container_of, FaultError, Object, cast
 
 
 DESC = """
@@ -69,15 +69,15 @@ def oo_objects(s):
 
 
 def count_partial(n, fn):
-    nr_pages = 0
-    for page in list_for_each_entry('struct page', n.partial.address_of_(),
-                                    'lru'):
-         nr_pages += fn(page)
-    return nr_pages
+    nr_objs = 0
+    for slab in list_for_each_entry('struct slab', n.partial.address_of_(),
+                                    'slab_list'):
+         nr_objs += fn(slab)
+    return nr_objs
 
 
-def count_free(page):
-    return page.objects - page.inuse
+def count_free(slab):
+    return slab.objects - slab.inuse
 
 
 def slub_get_slabinfo(s, cfg):
@@ -145,14 +145,14 @@ def detect_kernel_config():
     return cfg
 
 
-def for_each_slab_page(prog):
+def for_each_slab(prog):
     PGSlab = 1 << prog.constant('PG_slab')
     PGHead = 1 << prog.constant('PG_head')
 
     for page in for_each_page(prog):
         try:
             if page.flags.value_() & PGSlab:
-                yield page
+                yield cast('struct slab *', page)
         except FaultError:
             pass
 
@@ -190,13 +190,13 @@ def main():
                                        'list'):
             obj_cgroups.add(ptr.value_())
 
-        # look over all slab pages, belonging to non-root memcgs
-        # and look for objects belonging to the given memory cgroup
-        for page in for_each_slab_page(prog):
-            objcg_vec_raw = page.memcg_data.value_()
+        # look over all slab folios and look for objects belonging
+        # to the given memory cgroup
+        for slab in for_each_slab(prog):
+            objcg_vec_raw = slab.memcg_data.value_()
             if objcg_vec_raw == 0:
                 continue
-            cache = page.slab_cache
+            cache = slab.slab_cache
             if not cache:
                 continue
             addr = cache.value_()
index 5191b57..507ee1f 100644 (file)
@@ -1134,6 +1134,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_VM_GPA_BITS 207
 #define KVM_CAP_XSAVE2 208
 #define KVM_CAP_SYS_ATTRIBUTES 209
+#define KVM_CAP_PPC_AIL_MODE_3 210
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
index abae818..fa478dd 100644 (file)
@@ -463,7 +463,7 @@ static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
                return -EINVAL;
 
        if (PRINT_FIELD(WEIGHT) &&
-           evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT))
+           evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
                return -EINVAL;
 
        if (PRINT_FIELD(SYM) &&
index 1f147fe..e32ece9 100644 (file)
 #include "tests.h"
 #include "../perf-sys.h"
 
-/*
- * PowerPC and S390 do not support creation of instruction breakpoints using the
- * perf_event interface.
- *
- * Just disable the test for these architectures until these issues are
- * resolved.
- */
-#if defined(__powerpc__) || defined(__s390x__)
-#define BP_ACCOUNT_IS_SUPPORTED 0
-#else
-#define BP_ACCOUNT_IS_SUPPORTED 1
-#endif
-
 #define NUM_THREADS 5
 
 static struct {
@@ -135,7 +122,7 @@ static int test__sigtrap(struct test_suite *test __maybe_unused, int subtest __m
        char sbuf[STRERR_BUFSIZE];
        int i, fd, ret = TEST_FAIL;
 
-       if (!BP_ACCOUNT_IS_SUPPORTED) {
+       if (!BP_SIGNAL_IS_SUPPORTED) {
                pr_debug("Test not supported on this architecture");
                return TEST_SKIP;
        }
index f5d260b..15a4547 100644 (file)
@@ -44,10 +44,6 @@ int perf_data__create_dir(struct perf_data *data, int nr)
        if (!files)
                return -ENOMEM;
 
-       data->dir.version = PERF_DIR_VERSION;
-       data->dir.files   = files;
-       data->dir.nr      = nr;
-
        for (i = 0; i < nr; i++) {
                struct perf_data_file *file = &files[i];
 
@@ -62,6 +58,9 @@ int perf_data__create_dir(struct perf_data *data, int nr)
                file->fd = ret;
        }
 
+       data->dir.version = PERF_DIR_VERSION;
+       data->dir.files   = files;
+       data->dir.nr      = nr;
        return 0;
 
 out_err:
index 7f23421..57f02be 100644 (file)
@@ -154,8 +154,8 @@ int evlist__fix_hybrid_cpus(struct evlist *evlist, const char *cpu_list)
                perf_cpu_map__put(matched_cpus);
                perf_cpu_map__put(unmatched_cpus);
        }
-
-       ret = (unmatched_count == events_nr) ? -1 : 0;
+       if (events_nr)
+               ret = (unmatched_count == events_nr) ? -1 : 0;
 out:
        perf_cpu_map__put(cpus);
        return ret;
diff --git a/tools/testing/selftests/bpf/prog_tests/timer_crash.c b/tools/testing/selftests/bpf/prog_tests/timer_crash.c
new file mode 100644 (file)
index 0000000..f74b823
--- /dev/null
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "timer_crash.skel.h"
+
+enum {
+       MODE_ARRAY,
+       MODE_HASH,
+};
+
+static void test_timer_crash_mode(int mode)
+{
+       struct timer_crash *skel;
+
+       skel = timer_crash__open_and_load();
+       if (!ASSERT_OK_PTR(skel, "timer_crash__open_and_load"))
+               return;
+       skel->bss->pid = getpid();
+       skel->bss->crash_map = mode;
+       if (!ASSERT_OK(timer_crash__attach(skel), "timer_crash__attach"))
+               goto end;
+       usleep(1);
+end:
+       timer_crash__destroy(skel);
+}
+
+void test_timer_crash(void)
+{
+       if (test__start_subtest("array"))
+               test_timer_crash_mode(MODE_ARRAY);
+       if (test__start_subtest("hash"))
+               test_timer_crash_mode(MODE_HASH);
+}
index 2966564..6c85b00 100644 (file)
@@ -235,7 +235,7 @@ SEC("sk_msg1")
 int bpf_prog4(struct sk_msg_md *msg)
 {
        int *bytes, zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5;
-       int *start, *end, *start_push, *end_push, *start_pop, *pop;
+       int *start, *end, *start_push, *end_push, *start_pop, *pop, err = 0;
 
        bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero);
        if (bytes)
@@ -249,8 +249,11 @@ int bpf_prog4(struct sk_msg_md *msg)
                bpf_msg_pull_data(msg, *start, *end, 0);
        start_push = bpf_map_lookup_elem(&sock_bytes, &two);
        end_push = bpf_map_lookup_elem(&sock_bytes, &three);
-       if (start_push && end_push)
-               bpf_msg_push_data(msg, *start_push, *end_push, 0);
+       if (start_push && end_push) {
+               err = bpf_msg_push_data(msg, *start_push, *end_push, 0);
+               if (err)
+                       return SK_DROP;
+       }
        start_pop = bpf_map_lookup_elem(&sock_bytes, &four);
        pop = bpf_map_lookup_elem(&sock_bytes, &five);
        if (start_pop && pop)
@@ -263,6 +266,7 @@ int bpf_prog6(struct sk_msg_md *msg)
 {
        int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5, key = 0;
        int *bytes, *start, *end, *start_push, *end_push, *start_pop, *pop, *f;
+       int err = 0;
        __u64 flags = 0;
 
        bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero);
@@ -279,8 +283,11 @@ int bpf_prog6(struct sk_msg_md *msg)
 
        start_push = bpf_map_lookup_elem(&sock_bytes, &two);
        end_push = bpf_map_lookup_elem(&sock_bytes, &three);
-       if (start_push && end_push)
-               bpf_msg_push_data(msg, *start_push, *end_push, 0);
+       if (start_push && end_push) {
+               err = bpf_msg_push_data(msg, *start_push, *end_push, 0);
+               if (err)
+                       return SK_DROP;
+       }
 
        start_pop = bpf_map_lookup_elem(&sock_bytes, &four);
        pop = bpf_map_lookup_elem(&sock_bytes, &five);
@@ -338,7 +345,7 @@ SEC("sk_msg5")
 int bpf_prog10(struct sk_msg_md *msg)
 {
        int *bytes, *start, *end, *start_push, *end_push, *start_pop, *pop;
-       int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5;
+       int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5, err = 0;
 
        bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero);
        if (bytes)
@@ -352,8 +359,11 @@ int bpf_prog10(struct sk_msg_md *msg)
                bpf_msg_pull_data(msg, *start, *end, 0);
        start_push = bpf_map_lookup_elem(&sock_bytes, &two);
        end_push = bpf_map_lookup_elem(&sock_bytes, &three);
-       if (start_push && end_push)
-               bpf_msg_push_data(msg, *start_push, *end_push, 0);
+       if (start_push && end_push) {
+               err = bpf_msg_push_data(msg, *start_push, *end_push, 0);
+               if (err)
+                       return SK_PASS;
+       }
        start_pop = bpf_map_lookup_elem(&sock_bytes, &four);
        pop = bpf_map_lookup_elem(&sock_bytes, &five);
        if (start_pop && pop)
diff --git a/tools/testing/selftests/bpf/progs/timer_crash.c b/tools/testing/selftests/bpf/progs/timer_crash.c
new file mode 100644 (file)
index 0000000..f8f7944
--- /dev/null
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+
+struct map_elem {
+       struct bpf_timer timer;
+       struct bpf_spin_lock lock;
+};
+
+struct {
+       __uint(type, BPF_MAP_TYPE_ARRAY);
+       __uint(max_entries, 1);
+       __type(key, int);
+       __type(value, struct map_elem);
+} amap SEC(".maps");
+
+struct {
+       __uint(type, BPF_MAP_TYPE_HASH);
+       __uint(max_entries, 1);
+       __type(key, int);
+       __type(value, struct map_elem);
+} hmap SEC(".maps");
+
+int pid = 0;
+int crash_map = 0; /* 0 for amap, 1 for hmap */
+
+SEC("fentry/do_nanosleep")
+int sys_enter(void *ctx)
+{
+       struct map_elem *e, value = {};
+       void *map = crash_map ? (void *)&hmap : (void *)&amap;
+
+       if (bpf_get_current_task_btf()->tgid != pid)
+               return 0;
+
+       *(void **)&value = (void *)0xdeadcaf3;
+
+       bpf_map_update_elem(map, &(int){0}, &value, 0);
+       /* For array map, doing bpf_map_update_elem will do a
+        * check_and_free_timer_in_array, which will trigger the crash if timer
+        * pointer was overwritten, for hmap we need to use bpf_timer_cancel.
+        */
+       if (crash_map == 1) {
+               e = bpf_map_lookup_elem(map, &(int){0});
+               if (!e)
+                       return 0;
+               bpf_timer_cancel(&e->timer);
+       }
+       return 0;
+}
+
+char _license[] SEC("license") = "GPL";
index 192a289..94df269 100644 (file)
@@ -455,6 +455,7 @@ static void mfd_fail_write(int fd)
                        printf("mmap()+mprotect() didn't fail as expected\n");
                        abort();
                }
+               munmap(p, mfd_def_size);
        }
 
        /* verify PUNCH_HOLE fails */
index 2674ba2..ff82102 100755 (executable)
@@ -71,6 +71,36 @@ chk_msk_remote_key_nr()
                __chk_nr "grep -c remote_key" $*
 }
 
+# $1: ns, $2: port
+wait_local_port_listen()
+{
+       local listener_ns="${1}"
+       local port="${2}"
+
+       local port_hex i
+
+       port_hex="$(printf "%04X" "${port}")"
+       for i in $(seq 10); do
+               ip netns exec "${listener_ns}" cat /proc/net/tcp | \
+                       awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
+                       break
+               sleep 0.1
+       done
+}
+
+wait_connected()
+{
+       local listener_ns="${1}"
+       local port="${2}"
+
+       local port_hex i
+
+       port_hex="$(printf "%04X" "${port}")"
+       for i in $(seq 10); do
+               ip netns exec ${listener_ns} grep -q " 0100007F:${port_hex} " /proc/net/tcp && break
+               sleep 0.1
+       done
+}
 
 trap cleanup EXIT
 ip netns add $ns
@@ -81,15 +111,15 @@ echo "a" | \
                ip netns exec $ns \
                        ./mptcp_connect -p 10000 -l -t ${timeout_poll} \
                                0.0.0.0 >/dev/null &
-sleep 0.1
+wait_local_port_listen $ns 10000
 chk_msk_nr 0 "no msk on netns creation"
 
 echo "b" | \
        timeout ${timeout_test} \
                ip netns exec $ns \
-                       ./mptcp_connect -p 10000 -j -t ${timeout_poll} \
+                       ./mptcp_connect -p 10000 -r 0 -t ${timeout_poll} \
                                127.0.0.1 >/dev/null &
-sleep 0.1
+wait_connected $ns 10000
 chk_msk_nr 2 "after MPC handshake "
 chk_msk_remote_key_nr 2 "....chk remote_key"
 chk_msk_fallback_nr 0 "....chk no fallback"
@@ -101,13 +131,13 @@ echo "a" | \
                ip netns exec $ns \
                        ./mptcp_connect -p 10001 -l -s TCP -t ${timeout_poll} \
                                0.0.0.0 >/dev/null &
-sleep 0.1
+wait_local_port_listen $ns 10001
 echo "b" | \
        timeout ${timeout_test} \
                ip netns exec $ns \
-                       ./mptcp_connect -p 10001 -j -t ${timeout_poll} \
+                       ./mptcp_connect -p 10001 -r 0 -t ${timeout_poll} \
                                127.0.0.1 >/dev/null &
-sleep 0.1
+wait_connected $ns 10001
 chk_msk_fallback_nr 1 "check fallback"
 flush_pids
 
@@ -119,7 +149,7 @@ for I in `seq 1 $NR_CLIENTS`; do
                                ./mptcp_connect -p $((I+10001)) -l -w 10 \
                                        -t ${timeout_poll} 0.0.0.0 >/dev/null &
 done
-sleep 0.1
+wait_local_port_listen $ns $((NR_CLIENTS + 10001))
 
 for I in `seq 1 $NR_CLIENTS`; do
        echo "b" | \
index c0801df..0c8a2a2 100755 (executable)
@@ -660,6 +660,7 @@ chk_join_nr()
        local ack_nr=$4
        local count
        local dump_stats
+       local with_cookie
 
        printf "%02u %-36s %s" "$TEST_COUNT" "$msg" "syn"
        count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}'`
@@ -673,12 +674,20 @@ chk_join_nr()
        fi
 
        echo -n " - synack"
+       with_cookie=`ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies`
        count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}'`
        [ -z "$count" ] && count=0
        if [ "$count" != "$syn_ack_nr" ]; then
-               echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
-               ret=1
-               dump_stats=1
+               # simult connections exceeding the limit with cookie enabled could go up to
+               # synack validation as the conn limit can be enforced reliably only after
+               # the subflow creation
+               if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then
+                       echo -n "[ ok ]"
+               else
+                       echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
+                       ret=1
+                       dump_stats=1
+               fi
        else
                echo -n "[ ok ]"
        fi
@@ -752,11 +761,17 @@ chk_add_nr()
        local mis_ack_nr=${8:-0}
        local count
        local dump_stats
+       local timeout
+
+       timeout=`ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout`
 
        printf "%-39s %s" " " "add"
-       count=`ip netns exec $ns2 nstat -as | grep MPTcpExtAddAddr | awk '{print $2}'`
+       count=`ip netns exec $ns2 nstat -as MPTcpExtAddAddr | grep MPTcpExtAddAddr | awk '{print $2}'`
        [ -z "$count" ] && count=0
-       if [ "$count" != "$add_nr" ]; then
+
+       # if the test configured a short timeout tolerate greater then expected
+       # add addrs options, due to retransmissions
+       if [ "$count" != "$add_nr" ] && [ "$timeout" -gt 1 -o "$count" -lt "$add_nr" ]; then
                echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
                ret=1
                dump_stats=1
@@ -961,7 +976,7 @@ wait_for_tw()
        local ns=$1
 
        while [ $time -lt $timeout_ms ]; do
-               local cnt=$(ip netns exec $ns ss -t state time-wait |wc -l)
+               local cnt=$(ip netns exec $ns nstat -as TcpAttemptFails | grep TcpAttemptFails | awk '{print $2}')
 
                [ "$cnt" = 1 ] && return 1
                time=$((time + 100))
@@ -1158,7 +1173,10 @@ signal_address_tests()
        ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags signal
        ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags signal
        ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags signal
-       run_tests $ns1 $ns2 10.0.1.1
+
+       # the peer could possibly miss some addr notification, allow retransmission
+       ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
+       run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
        chk_join_nr "signal addresses race test" 3 3 3
 
        # the server will not signal the address terminating
index d91bde5..eed4432 100644 (file)
@@ -17,9 +17,6 @@
 #define MAP_FIXED_NOREPLACE 0x100000
 #endif
 
-#define BASE_ADDRESS   (256ul * 1024 * 1024)
-
-
 static void dump_maps(void)
 {
        char cmd[32];
@@ -28,18 +25,46 @@ static void dump_maps(void)
        system(cmd);
 }
 
+static unsigned long find_base_addr(unsigned long size)
+{
+       void *addr;
+       unsigned long flags;
+
+       flags = MAP_PRIVATE | MAP_ANONYMOUS;
+       addr = mmap(NULL, size, PROT_NONE, flags, -1, 0);
+       if (addr == MAP_FAILED) {
+               printf("Error: couldn't map the space we need for the test\n");
+               return 0;
+       }
+
+       if (munmap(addr, size) != 0) {
+               printf("Error: couldn't map the space we need for the test\n");
+               return 0;
+       }
+       return (unsigned long)addr;
+}
+
 int main(void)
 {
+       unsigned long base_addr;
        unsigned long flags, addr, size, page_size;
        char *p;
 
        page_size = sysconf(_SC_PAGE_SIZE);
 
+       //let's find a base addr that is free before we start the tests
+       size = 5 * page_size;
+       base_addr = find_base_addr(size);
+       if (!base_addr) {
+               printf("Error: couldn't map the space we need for the test\n");
+               return 1;
+       }
+
        flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED_NOREPLACE;
 
        // Check we can map all the areas we need below
        errno = 0;
-       addr = BASE_ADDRESS;
+       addr = base_addr;
        size = 5 * page_size;
        p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
 
@@ -60,7 +85,7 @@ int main(void)
        printf("unmap() successful\n");
 
        errno = 0;
-       addr = BASE_ADDRESS + page_size;
+       addr = base_addr + page_size;
        size = 3 * page_size;
        p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
        printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
@@ -80,7 +105,7 @@ int main(void)
         *     +4 |  free  | new
         */
        errno = 0;
-       addr = BASE_ADDRESS;
+       addr = base_addr;
        size = 5 * page_size;
        p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
        printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
@@ -101,7 +126,7 @@ int main(void)
         *     +4 |  free  |
         */
        errno = 0;
-       addr = BASE_ADDRESS + (2 * page_size);
+       addr = base_addr + (2 * page_size);
        size = page_size;
        p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
        printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
@@ -121,7 +146,7 @@ int main(void)
         *     +4 |  free  | new
         */
        errno = 0;
-       addr = BASE_ADDRESS + (3 * page_size);
+       addr = base_addr + (3 * page_size);
        size = 2 * page_size;
        p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
        printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
@@ -141,7 +166,7 @@ int main(void)
         *     +4 |  free  |
         */
        errno = 0;
-       addr = BASE_ADDRESS;
+       addr = base_addr;
        size = 2 * page_size;
        p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
        printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
@@ -161,7 +186,7 @@ int main(void)
         *     +4 |  free  |
         */
        errno = 0;
-       addr = BASE_ADDRESS;
+       addr = base_addr;
        size = page_size;
        p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
        printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
@@ -181,7 +206,7 @@ int main(void)
         *     +4 |  free  |  new
         */
        errno = 0;
-       addr = BASE_ADDRESS + (4 * page_size);
+       addr = base_addr + (4 * page_size);
        size = page_size;
        p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
        printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
@@ -192,7 +217,7 @@ int main(void)
                return 1;
        }
 
-       addr = BASE_ADDRESS;
+       addr = base_addr;
        size = 5 * page_size;
        if (munmap((void *)addr, size) != 0) {
                dump_maps();
index 5648f92..e60f186 100644 (file)
@@ -810,7 +810,7 @@ struct osnoise_tool *osnoise_init_trace_tool(char *tracer)
 
        retval = enable_tracer_by_name(trace->trace.inst, tracer);
        if (retval) {
-               err_msg("Could not enable osnoiser tracer for tracing\n");
+               err_msg("Could not enable %s tracer for tracing\n", tracer);
                goto out_err;
        }
 
index 1f0b7fc..52c053c 100644 (file)
@@ -426,7 +426,7 @@ static void osnoise_hist_usage(char *usage)
        static const char * const msg[] = {
                "",
                "  usage: rtla osnoise hist [-h] [-D] [-d s] [-p us] [-r us] [-s us] [-S us] [-t[=file]] \\",
-               "         [-c cpu-list] [-P priority] [-b N] [-e N] [--no-header] [--no-summary] \\",
+               "         [-c cpu-list] [-P priority] [-b N] [-E N] [--no-header] [--no-summary] \\",
                "         [--no-index] [--with-zeros]",
                "",
                "         -h/--help: print this menu",
@@ -439,7 +439,7 @@ static void osnoise_hist_usage(char *usage)
                "         -D/--debug: print debug info",
                "         -t/--trace[=file]: save the stopped trace to [file|osnoise_trace.txt]",
                "         -b/--bucket-size N: set the histogram bucket size (default 1)",
-               "         -e/--entries N: set the number of entries of the histogram (default 256)",
+               "         -E/--entries N: set the number of entries of the histogram (default 256)",
                "            --no-header: do not print header",
                "            --no-summary: do not print summary",
                "            --no-index: do not print index",
@@ -486,7 +486,7 @@ static struct osnoise_hist_params
        while (1) {
                static struct option long_options[] = {
                        {"bucket-size",         required_argument,      0, 'b'},
-                       {"entries",             required_argument,      0, 'e'},
+                       {"entries",             required_argument,      0, 'E'},
                        {"cpus",                required_argument,      0, 'c'},
                        {"debug",               no_argument,            0, 'D'},
                        {"duration",            required_argument,      0, 'd'},
@@ -507,7 +507,7 @@ static struct osnoise_hist_params
                /* getopt_long stores the option index here. */
                int option_index = 0;
 
-               c = getopt_long(argc, argv, "c:b:d:e:Dhp:P:r:s:S:t::0123",
+               c = getopt_long(argc, argv, "c:b:d:E:Dhp:P:r:s:S:t::0123",
                                 long_options, &option_index);
 
                /* detect the end of the options. */
@@ -534,7 +534,7 @@ static struct osnoise_hist_params
                        if (!params->duration)
                                osnoise_hist_usage("Invalid -D duration\n");
                        break;
-               case 'e':
+               case 'E':
                        params->entries = get_llong_from_str(optarg);
                        if ((params->entries < 10) || (params->entries > 9999999))
                                osnoise_hist_usage("Entries must be > 10 and < 9999999\n");
index c67dc28..7af769b 100644 (file)
@@ -573,6 +573,7 @@ out_top:
        osnoise_free_top(tool->data);
        osnoise_destroy_tool(record);
        osnoise_destroy_tool(tool);
+       free(params);
 out_exit:
        exit(return_value);
 }
index 436a799..237e173 100644 (file)
@@ -429,7 +429,7 @@ static void timerlat_hist_usage(char *usage)
        char *msg[] = {
                "",
                "  usage: [rtla] timerlat hist [-h] [-q] [-d s] [-D] [-n] [-p us] [-i us] [-T us] [-s us] [-t[=file]] \\",
-               "         [-c cpu-list] [-P priority] [-e N] [-b N]  [--no-irq] [--no-thread] [--no-header] [--no-summary] \\",
+               "         [-c cpu-list] [-P priority] [-E N] [-b N]  [--no-irq] [--no-thread] [--no-header] [--no-summary] \\",
                "         [--no-index] [--with-zeros]",
                "",
                "         -h/--help: print this menu",
@@ -443,7 +443,7 @@ static void timerlat_hist_usage(char *usage)
                "         -T/--trace[=file]: save the stopped trace to [file|timerlat_trace.txt]",
                "         -n/--nano: display data in nanoseconds",
                "         -b/--bucket-size N: set the histogram bucket size (default 1)",
-               "         -e/--entries N: set the number of entries of the histogram (default 256)",
+               "         -E/--entries N: set the number of entries of the histogram (default 256)",
                "            --no-irq: ignore IRQ latencies",
                "            --no-thread: ignore thread latencies",
                "            --no-header: do not print header",
@@ -494,7 +494,7 @@ static struct timerlat_hist_params
                        {"cpus",                required_argument,      0, 'c'},
                        {"bucket-size",         required_argument,      0, 'b'},
                        {"debug",               no_argument,            0, 'D'},
-                       {"entries",             required_argument,      0, 'e'},
+                       {"entries",             required_argument,      0, 'E'},
                        {"duration",            required_argument,      0, 'd'},
                        {"help",                no_argument,            0, 'h'},
                        {"irq",                 required_argument,      0, 'i'},
@@ -516,7 +516,7 @@ static struct timerlat_hist_params
                /* getopt_long stores the option index here. */
                int option_index = 0;
 
-               c = getopt_long(argc, argv, "c:b:d:e:Dhi:np:P:s:t::T:012345",
+               c = getopt_long(argc, argv, "c:b:d:E:Dhi:np:P:s:t::T:012345",
                                 long_options, &option_index);
 
                /* detect the end of the options. */
@@ -543,7 +543,7 @@ static struct timerlat_hist_params
                        if (!params->duration)
                                timerlat_hist_usage("Invalid -D duration\n");
                        break;
-               case 'e':
+               case 'E':
                        params->entries = get_llong_from_str(optarg);
                        if ((params->entries < 10) || (params->entries > 9999999))
                                        timerlat_hist_usage("Entries must be > 10 and < 9999999\n");
index 58d31da..0afc016 100644 (file)
@@ -5528,9 +5528,7 @@ static int kvm_suspend(void)
 static void kvm_resume(void)
 {
        if (kvm_usage_count) {
-#ifdef CONFIG_LOCKDEP
-               WARN_ON(lockdep_is_held(&kvm_count_lock));
-#endif
+               lockdep_assert_not_held(&kvm_count_lock);
                hardware_enable_nolock(NULL);
        }
 }