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powerpc/32s: Use dedicated segment for modules with STRICT_KERNEL_RWX
2020-07-26 Christophe Leroypowerpc/32s: Use dedicated segment for modules with...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-26 Christophe Leroypowerpc/32s: Kernel space starts at TASK_SIZE
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-26 Christophe Leroypowerpc/32: Set user/kernel boundary at TASK_SIZE instead...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-26 Christophe Leroypowerpc/32s: Only leave NX unset on segments used for...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-26 Christophe Leroypowerpc: Use MODULES_VADDR if defined
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-26 Christophe Leroypowerpc/lib: Prepare code-patching for modules allocated...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-15 Christophe Leroypowerpc/vdso64: Switch from __get_datapage() to get_datapage...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-07-15 Christophe Leroypowerpc/signal64: Don't opencode page prefaulting
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-15 Christophe Leroypowerpc/signal_32: Simplify loop in PPC64 save_general_regs()
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-15 Christophe Leroypowerpc/signal_32: Remove !FULL_REGS() special handling...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-15 Christophe Leroypowerpc/kasan: Fix shadow pages allocation failure
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-15 Christophe LeroyRevert "powerpc/kasan: Fix shadow pages allocation...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-07-15 Christophe Leroydocs: powerpc: Clarify book3s/32 MMU families
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-06-22 Christophe Leroypowerpc/8xx: Modify ptep_get()
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-06-22 Christophe Leroypowerpc/fixmap: Fix FIX_EARLY_DEBUG_BASE when page...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-06-22 Christophe Leroypowerpc/ptdump: Fix build failure in hashpagetable.c
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-06-20 Christophe Leroypowerpc/8xx: Provide ptep_get() with 16k pages
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-06-20 Christophe Leroymm: Allow arches to provide ptep_get()
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-06-20 Christophe Leroymm/gup: Use huge_ptep_get() in gup_hugepte()
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-06-03 Christophe Leroylib/vdso: Force inlining of __cvdso_clock_gettime_common()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/32s: Fix another build failure with CONFIG_PPC_KUAP_...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-06-02 Christophe Leroypowerpc/32: Disable KASAN with pages bigger than 16k
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-06-02 Christophe Leroypowerpc/uaccess: Don't set KUEP by default on book3s/32
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/uaccess: Don't set KUAP by default on book3s/32
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/8xx: Reduce time spent in allow_user_access...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/entry32: Blacklist exception exit points for...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/entry32: Blacklist syscall exit points for...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/entry32: Blacklist exception entry points for...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/32: Blacklist functions running with MMU disabled...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/rtas: Remove machine_check_in_rtas()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/32s: Blacklist functions running with MMU disabled...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/32s: Make local symbols non visible in hash_low.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/mem: Blacklist flush_dcache_icache_phys() for...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/powermac: Blacklist functions running with...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/83xx: Blacklist mpc83xx_deep_resume() for kprobe
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/82xx: Blacklist pq2_restart() for kprobe
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/52xx: Blacklist functions running with MMU...
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-06-02 Christophe Leroypowerpc/kprobes: Use probe_address() to read instructions
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-05-28 Christophe Leroypowerpc/40x: Don't save CR in SPRN_SPRG_SCRATCH6
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-28 Christophe Leroypowerpc/40x: Avoid using r12 in TLB miss handlers
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-28 Christophe Leroypowerpc: Remove IBM405 Erratum #77
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-28 Christophe Leroypowerpc/40x: Remove IBM405 Erratum #51
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-28 Christophe Leroypowerpc/40x: Remove support for IBM 405GP
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-28 Christophe Leroypowerpc/40x: Remove support for ISS Simulator
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-28 Christophe Leroypowerpc/40x: Remove EP405
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-05-28 Christophe Leroypowerpc/40x: Remove WALNUT
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-05-28 Christophe Leroypowerpc/40x: Remove STB03xxx
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-28 Christophe Leroypowerpc/40x: Remove support for IBM 403GCX
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-28 Christophe Leroypowerpc/pgtable: Drop PTE_ATOMIC_UPDATES
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-05-28 Christophe Leroypowerpc/40x: Rework 40x PTE access and TLB miss
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-05-26 Christophe Leroypowerpc/32s: Implement dedicated kasan_init_region()
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/32s: Allow mapping with BATs with DEBUG_PAGEALLOC
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Implement dedicated kasan_init_region()
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Allow large TLBs with DEBUG_PAGEALLOC
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Allow STRICT_KERNEL_RwX with pinned TLB
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Map linear memory with huge pages
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Map IMMR with a huge page
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Add a function to early map kernel via...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Refactor kernel address boundary comparison
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: Don't be too strict with _etext alignment...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Move DTLB perf handling closer.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Remove now unused TLB miss functions
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Drop special handling of Linear and IMMR...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Always pin TLBs at startup.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Don't set IMMR map anymore at boot
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Add function to set pinned TLBs
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Move PPC_PIN_TLB options into 8xx Kconfig
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: MM_SLICE is not needed anymore
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Only 8M pages are hugepte pages now
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Manage 512k huge pages as standard pages.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Prepare handlers for _PAGE_HUGE for 512k...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/8xx: Drop CONFIG_8xx_COPYBACK option
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: Reduce hugepd size for 8M hugepages on 8xx
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: Create a dedicated pte_update() for 8xx
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: Standardise pte_update() prototype between...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: Standardise __ptep_test_and_clear_young...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: Refactor pte_update() on book3s/32
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: Refactor pte_update() on nohash/32
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: PTE_ATOMIC_UPDATES is only for 40x
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: Fix conditions to perform MMU specific...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/mm: Allocate static page tables for fixmap
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/32s: Don't warn when mapping RO data ROX.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/ptdump: Handle hugepd at PGD level
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/ptdump: Properly handle non standard page size
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/ptdump: Standardise display of BAT flags
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/ptdump: Display size of BATs
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-26 Christophe Leroypowerpc/ptdump: Add _PAGE_COHERENT flag
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-20 Christophe Leroypowerpc/kasan: Declare kasan_init_region() weak
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-20 Christophe Leroypowerpc/kasan: Refactor update of early shadow mappings
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-20 Christophe Leroypowerpc/kasan: Remove unnecessary page table locking
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-20 Christophe Leroypowerpc/kasan: Fix shadow pages allocation failure
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-20 Christophe Leroypowerpc/kasan: Fix issues by lowering KASAN_SHADOW_END
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-20 Christophe Leroypowerpc/kasan: Fix error detection on memory allocation
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-20 Christophe LeroyRevert "powerpc/32s: reorder Linux PTE bits to better...
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-12 Christophe Leroypowerpc/40x: Make more space for system call exception
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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2020-05-11 Christophe Leroypowerpc/kasan: Fix stack overflow by increasing THREAD_SHIFT
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-05-11 Christophe Leroypowerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-05-11 Christophe Leroypowerpc: Replace _ALIGN() by ALIGN()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-05-11 Christophe Leroypowerpc: Replace _ALIGN_UP() by ALIGN()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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2020-05-11 Christophe Leroypowerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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