linux-2.6-microblaze.git
9 months agoclk: qcom: videocc-sm8550: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:51 +0000 (19:43 +0100)]
clk: qcom: videocc-sm8550: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value for SM8550 is known and extracted from the msm-5.15 driver.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-18-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: videocc-sm8450: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:50 +0000 (19:43 +0100)]
clk: qcom: videocc-sm8450: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value is known for SM8450, see [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/d0730ea5867264ee50b793f6700eb6a376ddcbbb

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-17-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: videocc-sm8350: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:49 +0000 (19:43 +0100)]
clk: qcom: videocc-sm8350: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value is known for SM8350, see [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/dfe241edf23daf3c1ccbb79b02798965123fad98

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-16-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: videocc-sm8250: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:48 +0000 (19:43 +0100)]
clk: qcom: videocc-sm8250: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value was obtained by referencing the msm-4.14/19 driver, which uses a
single value for all platforms [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/blob/LA.UM.9.15.c26/msm/vidc/hfi_common.c?ref_type=heads#L3662-3663

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-15-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: videocc-sm8150: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:47 +0000 (19:43 +0100)]
clk: qcom: videocc-sm8150: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value was obtained by referencing the msm-4.14/19 driver, which uses a
single value for all platforms [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/blob/LA.UM.9.15.c26/msm/vidc/hfi_common.c?ref_type=heads#L3662-3663

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-14-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sm8650: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:46 +0000 (19:43 +0100)]
clk: qcom: gcc-sm8650: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The Venus hw on 8650 is similar to the one on 8550, follow its
requirements.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-13-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sm8550: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:45 +0000 (19:43 +0100)]
clk: qcom: gcc-sm8550: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value for SM8550 is known and extracted from the msm-5.15 driver.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-12-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sm8450: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:44 +0000 (19:43 +0100)]
clk: qcom: gcc-sm8450: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value is known for SM8450, see [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/d0730ea5867264ee50b793f6700eb6a376ddcbbb

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-11-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sm8350: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:43 +0000 (19:43 +0100)]
clk: qcom: gcc-sm8350: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value is known for SM8350, see [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/dfe241edf23daf3c1ccbb79b02798965123fad98

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-10-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sm8250: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:42 +0000 (19:43 +0100)]
clk: qcom: gcc-sm8250: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value was obtained by referencing the msm-4.19 driver, which uses a
single value for all platforms [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/blob/LA.UM.9.15.c26/msm/vidc/hfi_common.c?ref_type=heads#L3662-3663

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-9-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sm7150: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:41 +0000 (19:43 +0100)]
clk: qcom: gcc-sm7150: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value was obtained by referencing the msm-4.14/19 driver, which uses a
single value for all platforms [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/blob/LA.UM.9.15.c26/msm/vidc/hfi_common.c?ref_type=heads#L3662-3663

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-8-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sm4450: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:40 +0000 (19:43 +0100)]
clk: qcom: gcc-sm4450: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value was obtained on a best-guess basis: msm-5.4 being the base
kernel for this SoC and 4450 being somewhat close to 8350 which is known
to require a higher delay [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/dfe241edf23daf3c1ccbb79b02798965123fad98

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-7-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sc8280xp: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:39 +0000 (19:43 +0100)]
clk: qcom: gcc-sc8280xp: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value was obtained on a best-guess basis: msm-5.4 being the base
kernel for this SoC and 8280 being generally close to 8350 which is known
to require a higher delay [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/dfe241edf23daf3c1ccbb79b02798965123fad98

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-6-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sc8180x: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:38 +0000 (19:43 +0100)]
clk: qcom: gcc-sc8180x: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value was obtained by referencing the msm-4.19 driver, which uses a
single value for all platforms [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/blob/LA.UM.9.15.c26/msm/vidc/hfi_common.c?ref_type=heads#L3662-3663

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-5-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sa8775p: Set delay for Venus CLK resets
Konrad Dybcio [Tue, 6 Feb 2024 18:43:37 +0000 (19:43 +0100)]
clk: qcom: gcc-sa8775p: Set delay for Venus CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value was obtained on a best-guess basis: msm-5.4 being the base
kernel for this SoC and 8775 being generally close to 8350 which is known
to require a higher delay [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/dfe241edf23daf3c1ccbb79b02798965123fad98

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-4-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: reset: Ensure write completion on reset de/assertion
Konrad Dybcio [Tue, 6 Feb 2024 18:43:36 +0000 (19:43 +0100)]
clk: qcom: reset: Ensure write completion on reset de/assertion

Trying to toggle the resets in a rapid fashion can lead to the changes
not actually arriving at the clock controller block when we expect them
to. This was observed at least on SM8250.

Read back the value after regmap_update_bits to ensure write completion.

Fixes: b36ba30c8ac6 ("clk: qcom: Add reset controller support")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-3-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: reset: Commonize the de/assert functions
Konrad Dybcio [Tue, 6 Feb 2024 18:43:35 +0000 (19:43 +0100)]
clk: qcom: reset: Commonize the de/assert functions

They do the same thing, except the last argument of the last function
call differs. Commonize them.

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-2-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: reset: Increase max reset delay
Konrad Dybcio [Tue, 6 Feb 2024 18:43:34 +0000 (19:43 +0100)]
clk: qcom: reset: Increase max reset delay

u8 limits us to 255 microseconds of delay. Promote the delay variable to
u16 to hold bigger values.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-1-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: Add camcc clock driver for x1e80100
Rajendra Nayak [Fri, 2 Feb 2024 18:34:45 +0000 (20:34 +0200)]
clk: qcom: Add camcc clock driver for x1e80100

Add the camcc clock driver for x1e80100

Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-10-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: Add TCSR clock driver for x1e80100
Abel Vesa [Fri, 2 Feb 2024 18:34:44 +0000 (20:34 +0200)]
clk: qcom: Add TCSR clock driver for x1e80100

The TCSR clock controller found on X1E80100 provides refclks
for PCIE, USB and UFS. Add clock driver for it.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-9-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: Add GPU clock driver for x1e80100
Rajendra Nayak [Fri, 2 Feb 2024 18:34:43 +0000 (20:34 +0200)]
clk: qcom: Add GPU clock driver for x1e80100

Add Graphics Clock Controller (GPUCC) support for X1E80100 platform.

Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-8-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: Add dispcc clock driver for x1e80100
Rajendra Nayak [Fri, 2 Feb 2024 18:34:42 +0000 (20:34 +0200)]
clk: qcom: Add dispcc clock driver for x1e80100

Add the dispcc clock driver for x1e80100.

Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-7-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: clk-alpha-pll: Add support for zonda ole pll configure
Rajendra Nayak [Fri, 2 Feb 2024 18:34:41 +0000 (20:34 +0200)]
clk: qcom: clk-alpha-pll: Add support for zonda ole pll configure

Zonda ole pll has as extra PLL_OFF_CONFIG_CTL_U2 register, hence add
support for it.

Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-6-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoMerge branch '20240202-x1e80100-clock-controllers-v4-5-7fb08c861c7c@linaro.org' into...
Bjorn Andersson [Tue, 6 Feb 2024 17:11:24 +0000 (11:11 -0600)]
Merge branch '20240202-x1e80100-clock-controllers-v4-5-7fb08c861c7c@linaro.org' into clk-for-6.9

Merge X1E clock bindings through a topic branch, to make the defines
available for inclusion in DeviceTree branches as well.

9 months agodt-bindings: clock: qcom: Document the X1E80100 Camera Clock Controller
Rajendra Nayak [Fri, 2 Feb 2024 18:34:40 +0000 (20:34 +0200)]
dt-bindings: clock: qcom: Document the X1E80100 Camera Clock Controller

Add bindings documentation for the X1E80100 Camera Clock Controller.

Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-5-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agodt-bindings: clock: qcom: Document the X1E80100 TCSR Clock Controller
Abel Vesa [Fri, 2 Feb 2024 18:34:39 +0000 (20:34 +0200)]
dt-bindings: clock: qcom: Document the X1E80100 TCSR Clock Controller

Add bindings documentation for the X1E80100 TCSR Clock Controller.

Co-developed-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-4-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agodt-bindings: clock: qcom: Document the X1E80100 GPU Clock Controller
Rajendra Nayak [Fri, 2 Feb 2024 18:34:38 +0000 (20:34 +0200)]
dt-bindings: clock: qcom: Document the X1E80100 GPU Clock Controller

Add bindings documentation for the X1E80100 Graphics Clock Controller.

Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-3-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agodt-bindings: clock: qcom: Document the X1E80100 Display Clock Controller
Rajendra Nayak [Fri, 2 Feb 2024 18:34:37 +0000 (20:34 +0200)]
dt-bindings: clock: qcom: Document the X1E80100 Display Clock Controller

Add bindings documentation for the X1E80100 Display Clock Controller.

Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-2-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agodt-bindings: clock: Drop the SM8650 DISPCC dedicated schema
Abel Vesa [Fri, 2 Feb 2024 18:34:36 +0000 (20:34 +0200)]
dt-bindings: clock: Drop the SM8650 DISPCC dedicated schema

The block is the same between these platforms, at least from devicetree
point of view. So drop the dedicated schema and use the SM8550 one instead.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-1-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agodt-bindings: clock: qcom: Fix @codeaurora email in Q6SSTOP
Jeffrey Hugo [Fri, 2 Feb 2024 17:19:15 +0000 (10:19 -0700)]
dt-bindings: clock: qcom: Fix @codeaurora email in Q6SSTOP

The servers for the @codeaurora domain are long retired and any messages
addressed there will bounce.  Govind Singh has left the company which
appears to leave the Q6SSTOP clock controller binding unmaintained.

Move maintenance of the binding to the Qualcomm Clock Drivers maintainer
as suggested by Bjorn Andersson.

Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://lore.kernel.org/r/20240202171915.4101842-1-quic_jhugo@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gpucc-sc8280xp: Add external supply for GX gdsc
Bjorn Andersson [Thu, 25 Jan 2024 21:05:09 +0000 (13:05 -0800)]
clk: qcom: gpucc-sc8280xp: Add external supply for GX gdsc

On SA8295P and SA8540P the GFX rail is powered by a dedicated external
regulator, instead of the rpmh-controlled "gfx.lvl".

Define the "vdd-gfx" as the supply regulator for the GDSC, to cause the
gdsc logic to look for, and control, this external power supply.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240125-sa8295p-gpu-v4-3-7011c2a63037@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gdsc: Enable supply reglator in GPU GX handler
Bjorn Andersson [Thu, 25 Jan 2024 21:05:08 +0000 (13:05 -0800)]
clk: qcom: gdsc: Enable supply reglator in GPU GX handler

The GX GDSC is modelled to aid the GMU in powering down the GPU in the
event that the GPU crashes, so that it can be restarted again. But in
the event that the power-domain is supplied through a dedicated
regulator (in contrast to being a subdomin of another power-domain),
something needs to turn that regulator on, both to make sure things are
powered and to match the operation in gdsc_disable().

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240125-sa8295p-gpu-v4-2-7011c2a63037@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agodt-bindings: clock: qcom: Allow VDD_GFX supply to GX
Bjorn Andersson [Thu, 25 Jan 2024 21:05:07 +0000 (13:05 -0800)]
dt-bindings: clock: qcom: Allow VDD_GFX supply to GX

In some designs the SoC's VDD_GFX pads are supplied by an external
regulator, rather than a power-domain. Allow this to be described in the
GPU clock controller binding.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240125-sa8295p-gpu-v4-1-7011c2a63037@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sm8150: Add gcc video resets for sm8150
Satya Priya Kakitapalli [Thu, 11 Jan 2024 06:32:30 +0000 (12:02 +0530)]
clk: qcom: gcc-sm8150: Add gcc video resets for sm8150

Add gcc video axic, axi0 and axi1 resets for the global clock
controller on sm8150.

Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@quicinc.com>
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240111-sm8150-dfs-support-v2-3-6edb44c83d3b@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agodt-bindings: clock: qcom,gcc-sm8150: Add gcc video resets for sm8150
Satya Priya Kakitapalli [Thu, 11 Jan 2024 06:32:29 +0000 (12:02 +0530)]
dt-bindings: clock: qcom,gcc-sm8150: Add gcc video resets for sm8150

Add gcc video axic, axi0 and axi1 resets for the global clock controller
on sm8150.

Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@quicinc.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240111-sm8150-dfs-support-v2-2-6edb44c83d3b@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sm8150: Register QUPv3 RCGs for DFS on SM8150
Satya Priya Kakitapalli [Thu, 11 Jan 2024 06:32:28 +0000 (12:02 +0530)]
clk: qcom: gcc-sm8150: Register QUPv3 RCGs for DFS on SM8150

QUPv3 clocks support DFS and thus register the RCGs which require
support for the same.

Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@quicinc.com>
Link: https://lore.kernel.org/r/20240111-sm8150-dfs-support-v2-1-6edb44c83d3b@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-sdm845: Add soft dependency on rpmhpd
Amit Pundir [Tue, 23 Jan 2024 06:28:14 +0000 (11:58 +0530)]
clk: qcom: gcc-sdm845: Add soft dependency on rpmhpd

With the addition of RPMh power domain to the GCC node in
device tree, we noticed a significant delay in getting the
UFS driver probed on AOSP which futher led to mount failures
because Android do not support rootwait. So adding a soft
dependency on RPMh power domain which informs modprobe to
load rpmhpd module before gcc-sdm845.

Cc: stable@vger.kernel.org # v5.4+
Fixes: 4b6ea15c0a11 ("arm64: dts: qcom: sdm845: Add missing RPMh power domain to GCC")
Suggested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240123062814.2555649-1-amit.pundir@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoclk: qcom: gcc-ipq6018: add qdss_at clock needed for wifi operation
Mantas Pucka [Tue, 23 Jan 2024 09:26:09 +0000 (11:26 +0200)]
clk: qcom: gcc-ipq6018: add qdss_at clock needed for wifi operation

Without it system hangs upon wifi firmware load. It should be enabled by
remoteproc/wifi driver. Bindings already exist for it, so add it based
on vendor code.

Signed-off-by: Mantas Pucka <mantas@8devices.com>
Link: https://lore.kernel.org/r/1706001970-26032-1-git-send-email-mantas@8devices.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
9 months agoLinux 6.8-rc1
Linus Torvalds [Sun, 21 Jan 2024 22:11:32 +0000 (14:11 -0800)]
Linux 6.8-rc1

9 months agoMerge tag 'bcachefs-2024-01-21' of https://evilpiepirate.org/git/bcachefs
Linus Torvalds [Sun, 21 Jan 2024 22:01:12 +0000 (14:01 -0800)]
Merge tag 'bcachefs-2024-01-21' of https://evilpiepirate.org/git/bcachefs

Pull more bcachefs updates from Kent Overstreet:
 "Some fixes, Some refactoring, some minor features:

   - Assorted prep work for disk space accounting rewrite

   - BTREE_TRIGGER_ATOMIC: after combining our trigger callbacks, this
     makes our trigger context more explicit

   - A few fixes to avoid excessive transaction restarts on
     multithreaded workloads: fstests (in addition to ktest tests) are
     now checking slowpath counters, and that's shaking out a few bugs

   - Assorted tracepoint improvements

   - Starting to break up bcachefs_format.h and move on disk types so
     they're with the code they belong to; this will make room to start
     documenting the on disk format better.

   - A few minor fixes"

* tag 'bcachefs-2024-01-21' of https://evilpiepirate.org/git/bcachefs: (46 commits)
  bcachefs: Improve inode_to_text()
  bcachefs: logged_ops_format.h
  bcachefs: reflink_format.h
  bcachefs; extents_format.h
  bcachefs: ec_format.h
  bcachefs: subvolume_format.h
  bcachefs: snapshot_format.h
  bcachefs: alloc_background_format.h
  bcachefs: xattr_format.h
  bcachefs: dirent_format.h
  bcachefs: inode_format.h
  bcachefs; quota_format.h
  bcachefs: sb-counters_format.h
  bcachefs: counters.c -> sb-counters.c
  bcachefs: comment bch_subvolume
  bcachefs: bch_snapshot::btime
  bcachefs: add missing __GFP_NOWARN
  bcachefs: opts->compression can now also be applied in the background
  bcachefs: Prep work for variable size btree node buffers
  bcachefs: grab s_umount only if snapshotting
  ...

9 months agoMerge tag 'timers-core-2024-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sun, 21 Jan 2024 19:14:40 +0000 (11:14 -0800)]
Merge tag 'timers-core-2024-01-21' of git://git./linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "Updates for time and clocksources:

   - A fix for the idle and iowait time accounting vs CPU hotplug.

     The time is reset on CPU hotplug which makes the accumulated
     systemwide time jump backwards.

   - Assorted fixes and improvements for clocksource/event drivers"

* tag 'timers-core-2024-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tick-sched: Fix idle and iowait sleeptime accounting vs CPU hotplug
  clocksource/drivers/ep93xx: Fix error handling during probe
  clocksource/drivers/cadence-ttc: Fix some kernel-doc warnings
  clocksource/drivers/timer-ti-dm: Fix make W=n kerneldoc warnings
  clocksource/timer-riscv: Add riscv_clock_shutdown callback
  dt-bindings: timer: Add StarFive JH8100 clint
  dt-bindings: timer: thead,c900-aclint-mtimer: separate mtime and mtimecmp regs

9 months agoMerge tag 'powerpc-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
Linus Torvalds [Sun, 21 Jan 2024 19:04:29 +0000 (11:04 -0800)]
Merge tag 'powerpc-6.8-2' of git://git./linux/kernel/git/powerpc/linux

Pull powerpc fixes from Aneesh Kumar:

 - Increase default stack size to 32KB for Book3S

Thanks to Michael Ellerman.

* tag 'powerpc-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s: Increase default stack size to 32KB

9 months agobcachefs: Improve inode_to_text()
Kent Overstreet [Sun, 21 Jan 2024 17:19:01 +0000 (12:19 -0500)]
bcachefs: Improve inode_to_text()

Add line breaks - inode_to_text() is now much easier to read.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: logged_ops_format.h
Kent Overstreet [Sun, 21 Jan 2024 07:57:45 +0000 (02:57 -0500)]
bcachefs: logged_ops_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: reflink_format.h
Kent Overstreet [Sun, 21 Jan 2024 07:54:47 +0000 (02:54 -0500)]
bcachefs: reflink_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs; extents_format.h
Kent Overstreet [Sun, 21 Jan 2024 07:51:56 +0000 (02:51 -0500)]
bcachefs; extents_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: ec_format.h
Kent Overstreet [Sun, 21 Jan 2024 07:47:14 +0000 (02:47 -0500)]
bcachefs: ec_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: subvolume_format.h
Kent Overstreet [Sun, 21 Jan 2024 07:42:53 +0000 (02:42 -0500)]
bcachefs: subvolume_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: snapshot_format.h
Kent Overstreet [Sun, 21 Jan 2024 07:41:06 +0000 (02:41 -0500)]
bcachefs: snapshot_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: alloc_background_format.h
Kent Overstreet [Sun, 21 Jan 2024 05:01:52 +0000 (00:01 -0500)]
bcachefs: alloc_background_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: xattr_format.h
Kent Overstreet [Sun, 21 Jan 2024 04:59:15 +0000 (23:59 -0500)]
bcachefs: xattr_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: dirent_format.h
Kent Overstreet [Sun, 21 Jan 2024 04:57:10 +0000 (23:57 -0500)]
bcachefs: dirent_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: inode_format.h
Kent Overstreet [Sun, 21 Jan 2024 04:55:39 +0000 (23:55 -0500)]
bcachefs: inode_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs; quota_format.h
Kent Overstreet [Sun, 21 Jan 2024 04:53:52 +0000 (23:53 -0500)]
bcachefs; quota_format.h

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: sb-counters_format.h
Kent Overstreet [Sun, 21 Jan 2024 04:50:56 +0000 (23:50 -0500)]
bcachefs: sb-counters_format.h

bcachefs_format.h has gotten too big; let's do some organizing.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: counters.c -> sb-counters.c
Kent Overstreet [Sun, 21 Jan 2024 04:46:35 +0000 (23:46 -0500)]
bcachefs: counters.c -> sb-counters.c

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: comment bch_subvolume
Kent Overstreet [Sun, 21 Jan 2024 04:44:17 +0000 (23:44 -0500)]
bcachefs: comment bch_subvolume

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: bch_snapshot::btime
Kent Overstreet [Sun, 21 Jan 2024 04:35:41 +0000 (23:35 -0500)]
bcachefs: bch_snapshot::btime

Add a field to bch_snapshot for creation time; this will be important
when we start exposing the snapshot tree to userspace.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: add missing __GFP_NOWARN
Kent Overstreet [Wed, 17 Jan 2024 22:16:07 +0000 (17:16 -0500)]
bcachefs: add missing __GFP_NOWARN

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: opts->compression can now also be applied in the background
Kent Overstreet [Tue, 16 Jan 2024 21:20:21 +0000 (16:20 -0500)]
bcachefs: opts->compression can now also be applied in the background

The "apply this compression method in the background" paths now use the
compression option if background_compression is not set; this means that
setting or changing the compression option will cause existing data to
be compressed accordingly in the background.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Prep work for variable size btree node buffers
Kent Overstreet [Tue, 16 Jan 2024 18:29:59 +0000 (13:29 -0500)]
bcachefs: Prep work for variable size btree node buffers

bcachefs btree nodes are big - typically 256k - and btree roots are
pinned in memory. As we're now up to 18 btrees, we now have significant
memory overhead in mostly empty btree roots.

And in the future we're going to start enforcing that certain btree node
boundaries exist, to solve lock contention issues - analagous to XFS's
AGIs.

Thus, we need to start allocating smaller btree node buffers when we
can. This patch changes code that refers to the filesystem constant
c->opts.btree_node_size to refer to the btree node buffer size -
btree_buf_bytes() - where appropriate.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: grab s_umount only if snapshotting
Su Yue [Mon, 15 Jan 2024 02:21:25 +0000 (10:21 +0800)]
bcachefs: grab s_umount only if snapshotting

When I was testing mongodb over bcachefs with compression,
there is a lockdep warning when snapshotting mongodb data volume.

$ cat test.sh
prog=bcachefs

$prog subvolume create /mnt/data
$prog subvolume create /mnt/data/snapshots

while true;do
    $prog subvolume snapshot /mnt/data /mnt/data/snapshots/$(date +%s)
    sleep 1s
done

$ cat /etc/mongodb.conf
systemLog:
  destination: file
  logAppend: true
  path: /mnt/data/mongod.log

storage:
  dbPath: /mnt/data/

lockdep reports:
[ 3437.452330] ======================================================
[ 3437.452750] WARNING: possible circular locking dependency detected
[ 3437.453168] 6.7.0-rc7-custom+ #85 Tainted: G            E
[ 3437.453562] ------------------------------------------------------
[ 3437.453981] bcachefs/35533 is trying to acquire lock:
[ 3437.454325] ffffa0a02b2b1418 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x62/0x190
[ 3437.454875]
               but task is already holding lock:
[ 3437.455268] ffffa0a02b2b10e0 (&type->s_umount_key#48){.+.+}-{3:3}, at: bch2_fs_file_ioctl+0x232/0xc90 [bcachefs]
[ 3437.456009]
               which lock already depends on the new lock.

[ 3437.456553]
               the existing dependency chain (in reverse order) is:
[ 3437.457054]
               -> #3 (&type->s_umount_key#48){.+.+}-{3:3}:
[ 3437.457507]        down_read+0x3e/0x170
[ 3437.457772]        bch2_fs_file_ioctl+0x232/0xc90 [bcachefs]
[ 3437.458206]        __x64_sys_ioctl+0x93/0xd0
[ 3437.458498]        do_syscall_64+0x42/0xf0
[ 3437.458779]        entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.459155]
               -> #2 (&c->snapshot_create_lock){++++}-{3:3}:
[ 3437.459615]        down_read+0x3e/0x170
[ 3437.459878]        bch2_truncate+0x82/0x110 [bcachefs]
[ 3437.460276]        bchfs_truncate+0x254/0x3c0 [bcachefs]
[ 3437.460686]        notify_change+0x1f1/0x4a0
[ 3437.461283]        do_truncate+0x7f/0xd0
[ 3437.461555]        path_openat+0xa57/0xce0
[ 3437.461836]        do_filp_open+0xb4/0x160
[ 3437.462116]        do_sys_openat2+0x91/0xc0
[ 3437.462402]        __x64_sys_openat+0x53/0xa0
[ 3437.462701]        do_syscall_64+0x42/0xf0
[ 3437.462982]        entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.463359]
               -> #1 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}:
[ 3437.463843]        down_write+0x3b/0xc0
[ 3437.464223]        bch2_write_iter+0x5b/0xcc0 [bcachefs]
[ 3437.464493]        vfs_write+0x21b/0x4c0
[ 3437.464653]        ksys_write+0x69/0xf0
[ 3437.464839]        do_syscall_64+0x42/0xf0
[ 3437.465009]        entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.465231]
               -> #0 (sb_writers#10){.+.+}-{0:0}:
[ 3437.465471]        __lock_acquire+0x1455/0x21b0
[ 3437.465656]        lock_acquire+0xc6/0x2b0
[ 3437.465822]        mnt_want_write+0x46/0x1a0
[ 3437.465996]        filename_create+0x62/0x190
[ 3437.466175]        user_path_create+0x2d/0x50
[ 3437.466352]        bch2_fs_file_ioctl+0x2ec/0xc90 [bcachefs]
[ 3437.466617]        __x64_sys_ioctl+0x93/0xd0
[ 3437.466791]        do_syscall_64+0x42/0xf0
[ 3437.466957]        entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.467180]
               other info that might help us debug this:

[ 3437.469670] 2 locks held by bcachefs/35533:
               other info that might help us debug this:

[ 3437.467507] Chain exists of:
                 sb_writers#10 --> &c->snapshot_create_lock --> &type->s_umount_key#48

[ 3437.467979]  Possible unsafe locking scenario:

[ 3437.468223]        CPU0                    CPU1
[ 3437.468405]        ----                    ----
[ 3437.468585]   rlock(&type->s_umount_key#48);
[ 3437.468758]                                lock(&c->snapshot_create_lock);
[ 3437.469030]                                lock(&type->s_umount_key#48);
[ 3437.469291]   rlock(sb_writers#10);
[ 3437.469434]
                *** DEADLOCK ***

[ 3437.469670] 2 locks held by bcachefs/35533:
[ 3437.469838]  #0: ffffa0a02ce00a88 (&c->snapshot_create_lock){++++}-{3:3}, at: bch2_fs_file_ioctl+0x1e3/0xc90 [bcachefs]
[ 3437.470294]  #1: ffffa0a02b2b10e0 (&type->s_umount_key#48){.+.+}-{3:3}, at: bch2_fs_file_ioctl+0x232/0xc90 [bcachefs]
[ 3437.470744]
               stack backtrace:
[ 3437.470922] CPU: 7 PID: 35533 Comm: bcachefs Kdump: loaded Tainted: G            E      6.7.0-rc7-custom+ #85
[ 3437.471313] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Arch Linux 1.16.3-1-1 04/01/2014
[ 3437.471694] Call Trace:
[ 3437.471795]  <TASK>
[ 3437.471884]  dump_stack_lvl+0x57/0x90
[ 3437.472035]  check_noncircular+0x132/0x150
[ 3437.472202]  __lock_acquire+0x1455/0x21b0
[ 3437.472369]  lock_acquire+0xc6/0x2b0
[ 3437.472518]  ? filename_create+0x62/0x190
[ 3437.472683]  ? lock_is_held_type+0x97/0x110
[ 3437.472856]  mnt_want_write+0x46/0x1a0
[ 3437.473025]  ? filename_create+0x62/0x190
[ 3437.473204]  filename_create+0x62/0x190
[ 3437.473380]  user_path_create+0x2d/0x50
[ 3437.473555]  bch2_fs_file_ioctl+0x2ec/0xc90 [bcachefs]
[ 3437.473819]  ? lock_acquire+0xc6/0x2b0
[ 3437.474002]  ? __fget_files+0x2a/0x190
[ 3437.474195]  ? __fget_files+0xbc/0x190
[ 3437.474380]  ? lock_release+0xc5/0x270
[ 3437.474567]  ? __x64_sys_ioctl+0x93/0xd0
[ 3437.474764]  ? __pfx_bch2_fs_file_ioctl+0x10/0x10 [bcachefs]
[ 3437.475090]  __x64_sys_ioctl+0x93/0xd0
[ 3437.475277]  do_syscall_64+0x42/0xf0
[ 3437.475454]  entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 3437.475691] RIP: 0033:0x7f2743c313af
======================================================

In __bch2_ioctl_subvolume_create(), we grab s_umount unconditionally
and unlock it at the end of the function. There is a comment
"why do we need this lock?" about the lock coming from
commit 42d237320e98 ("bcachefs: Snapshot creation, deletion")
The reason is that __bch2_ioctl_subvolume_create() calls
sync_inodes_sb() which enforce locked s_umount to writeback all dirty
nodes before doing snapshot works.

Fix it by read locking s_umount for snapshotting only and unlocking
s_umount after sync_inodes_sb().

Signed-off-by: Su Yue <glass.su@suse.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: kvfree bch_fs::snapshots in bch2_fs_snapshots_exit
Su Yue [Tue, 16 Jan 2024 11:05:37 +0000 (19:05 +0800)]
bcachefs: kvfree bch_fs::snapshots in bch2_fs_snapshots_exit

bch_fs::snapshots is allocated by kvzalloc in __snapshot_t_mut.
It should be freed by kvfree not kfree.
Or umount will triger:

[  406.829178 ] BUG: unable to handle page fault for address: ffffe7b487148008
[  406.830676 ] #PF: supervisor read access in kernel mode
[  406.831643 ] #PF: error_code(0x0000) - not-present page
[  406.832487 ] PGD 0 P4D 0
[  406.832898 ] Oops: 0000 [#1] PREEMPT SMP PTI
[  406.833512 ] CPU: 2 PID: 1754 Comm: umount Kdump: loaded Tainted: G           OE      6.7.0-rc7-custom+ #90
[  406.834746 ] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Arch Linux 1.16.3-1-1 04/01/2014
[  406.835796 ] RIP: 0010:kfree+0x62/0x140
[  406.836197 ] Code: 80 48 01 d8 0f 82 e9 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 78 9f 1f 01 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 56 9f 1f 01 <48> 8b 50 08 48 89 c7 f6 c2 01 0f 85 b0 00 00 00 66 90 48 8b 07 f6
[  406.837810 ] RSP: 0018:ffffb9d641607e48 EFLAGS: 00010286
[  406.838213 ] RAX: ffffe7b487148000 RBX: ffffb9d645200000 RCX: ffffb9d641607dc4
[  406.838738 ] RDX: 000065bb00000000 RSI: ffffffffc0d88b84 RDI: ffffb9d645200000
[  406.839217 ] RBP: ffff9a4625d00068 R08: 0000000000000001 R09: 0000000000000001
[  406.839650 ] R10: 0000000000000001 R11: 000000000000001f R12: ffff9a4625d4da80
[  406.840055 ] R13: ffff9a4625d00000 R14: ffffffffc0e2eb20 R15: 0000000000000000
[  406.840451 ] FS:  00007f0a264ffb80(0000) GS:ffff9a4e2d500000(0000) knlGS:0000000000000000
[  406.840851 ] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  406.841125 ] CR2: ffffe7b487148008 CR3: 000000018c4d2000 CR4: 00000000000006f0
[  406.841464 ] Call Trace:
[  406.841583 ]  <TASK>
[  406.841682 ]  ? __die+0x1f/0x70
[  406.841828 ]  ? page_fault_oops+0x159/0x470
[  406.842014 ]  ? fixup_exception+0x22/0x310
[  406.842198 ]  ? exc_page_fault+0x1ed/0x200
[  406.842382 ]  ? asm_exc_page_fault+0x22/0x30
[  406.842574 ]  ? bch2_fs_release+0x54/0x280 [bcachefs]
[  406.842842 ]  ? kfree+0x62/0x140
[  406.842988 ]  ? kfree+0x104/0x140
[  406.843138 ]  bch2_fs_release+0x54/0x280 [bcachefs]
[  406.843390 ]  kobject_put+0xb7/0x170
[  406.843552 ]  deactivate_locked_super+0x2f/0xa0
[  406.843756 ]  cleanup_mnt+0xba/0x150
[  406.843917 ]  task_work_run+0x59/0xa0
[  406.844083 ]  exit_to_user_mode_prepare+0x197/0x1a0
[  406.844302 ]  syscall_exit_to_user_mode+0x16/0x40
[  406.844510 ]  do_syscall_64+0x4e/0xf0
[  406.844675 ]  entry_SYSCALL_64_after_hwframe+0x6e/0x76
[  406.844907 ] RIP: 0033:0x7f0a2664e4fb

Signed-off-by: Su Yue <glass.su@suse.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: bios must be 512 byte algined
Kent Overstreet [Tue, 16 Jan 2024 16:38:04 +0000 (11:38 -0500)]
bcachefs: bios must be 512 byte algined

Fixes: 023f9ac9f70f bcachefs: Delete dio read alignment check
Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: remove redundant variable tmp
Colin Ian King [Tue, 16 Jan 2024 11:07:23 +0000 (11:07 +0000)]
bcachefs: remove redundant variable tmp

The variable tmp is being assigned a value but it isn't being
read afterwards. The assignment is redundant and so tmp can be
removed.

Cleans up clang scan build warning:
warning: Although the value stored to 'ret' is used in the enclosing
expression, the value is never actually read from 'ret'
[deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Improve trace_trans_restart_relock
Kent Overstreet [Tue, 16 Jan 2024 01:40:06 +0000 (20:40 -0500)]
bcachefs: Improve trace_trans_restart_relock

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Fix excess transaction restarts in __bchfs_fallocate()
Kent Overstreet [Tue, 16 Jan 2024 01:37:23 +0000 (20:37 -0500)]
bcachefs: Fix excess transaction restarts in __bchfs_fallocate()

drop_locks_do() should not be used in a fastpath without first trying
the do in nonblocking mode - the unlock and relock will cause excessive
transaction restarts and potentially livelocking with other threads that
are contending for the same locks.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: extents_to_bp_state
Kent Overstreet [Mon, 15 Jan 2024 23:19:52 +0000 (18:19 -0500)]
bcachefs: extents_to_bp_state

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: bkey_and_val_eq()
Kent Overstreet [Mon, 15 Jan 2024 23:08:32 +0000 (18:08 -0500)]
bcachefs: bkey_and_val_eq()

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Better journal tracepoints
Kent Overstreet [Mon, 15 Jan 2024 22:59:51 +0000 (17:59 -0500)]
bcachefs: Better journal tracepoints

Factor out bch2_journal_bufs_to_text(), and use it in the
journal_entry_full() tracepoint; when we can't get a journal reservation
we need to know the outstanding journal entry sizes to know if the
problem is due to excessive flushing.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Print size of superblock with space allocated
Kent Overstreet [Mon, 15 Jan 2024 22:57:44 +0000 (17:57 -0500)]
bcachefs: Print size of superblock with space allocated

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Avoid flushing the journal in the discard path
Kent Overstreet [Mon, 15 Jan 2024 22:56:22 +0000 (17:56 -0500)]
bcachefs: Avoid flushing the journal in the discard path

When issuing discards, we may need to flush the journal if there's too
many buckets that can't be discarded until a journal flush.

But the heuristic was bad; we should be comparing the number of buckets
that need to flushes against the number of free buckets, not the number
of buckets we saw.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Improve move_extent tracepoint
Kent Overstreet [Mon, 15 Jan 2024 20:33:39 +0000 (15:33 -0500)]
bcachefs: Improve move_extent tracepoint

Also print out the data_opts, so that we can see what specifically is
being done to an extent.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Add missing bch2_moving_ctxt_flush_all()
Kent Overstreet [Mon, 15 Jan 2024 20:06:43 +0000 (15:06 -0500)]
bcachefs: Add missing bch2_moving_ctxt_flush_all()

This fixes a bug with rebalance IOs getting stuck with reads completed,
but writes never being issued.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Re-add move_extent_write tracepoint
Kent Overstreet [Mon, 15 Jan 2024 20:04:40 +0000 (15:04 -0500)]
bcachefs: Re-add move_extent_write tracepoint

It appears this was accidentally deleted at some point - also, do a bit
of cleanup.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: bch2_kthread_io_clock_wait() no longer sleeps until full amount
Kent Overstreet [Mon, 15 Jan 2024 19:15:26 +0000 (14:15 -0500)]
bcachefs: bch2_kthread_io_clock_wait() no longer sleeps until full amount

Drop t he loop in bch2_kthread_io_clock_wait(): this allows the code
that uses it to be woken up for other reasons, and fixes a bug where
rebalance wouldn't wake up when a scan was requested.

This raises the possibility of spurious wakeups, but callers should
always be able to handle that reasonably well.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Add .val_to_text() for KEY_TYPE_cookie
Kent Overstreet [Mon, 15 Jan 2024 19:15:03 +0000 (14:15 -0500)]
bcachefs: Add .val_to_text() for KEY_TYPE_cookie

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Don't pass memcmp() as a pointer
Kent Overstreet [Mon, 15 Jan 2024 19:12:43 +0000 (14:12 -0500)]
bcachefs: Don't pass memcmp() as a pointer

Some (buggy!) compilers have issues with this.

Fixes: https://github.com/koverstreet/bcachefs/issues/625
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agoMerge tag 'header_cleanup-2024-01-20' of https://evilpiepirate.org/git/bcachefs
Linus Torvalds [Sun, 21 Jan 2024 18:21:43 +0000 (10:21 -0800)]
Merge tag 'header_cleanup-2024-01-20' of https://evilpiepirate.org/git/bcachefs

Pull header fix from Kent Overstreet:
 "Just one small fixup for the RT build"

* tag 'header_cleanup-2024-01-20' of https://evilpiepirate.org/git/bcachefs:
  spinlock: Fix failing build for PREEMPT_RT

9 months agobcachefs: Reduce would_deadlock restarts
Kent Overstreet [Thu, 11 Jan 2024 04:47:04 +0000 (23:47 -0500)]
bcachefs: Reduce would_deadlock restarts

We don't have to take locks in any particular ordering - we'll make
forward progress just fine - but if we try to stick to an ordering, it
can help to avoid excessive would_deadlock transaction restarts.

This tweaks the reflink path to take extents btree locks in the right
order.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: bch2_trans_account_disk_usage_change()
Kent Overstreet [Sat, 11 Nov 2023 20:08:36 +0000 (15:08 -0500)]
bcachefs: bch2_trans_account_disk_usage_change()

The disk space accounting rewrite is splitting out accounting for each
replicas set - those are moving to btree keys, instead of percpu
counters.

This breaks bch2_trans_fs_usage_apply() up, splitting out the part we
will still need.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: bch_fs_usage_base
Kent Overstreet [Fri, 17 Nov 2023 05:03:45 +0000 (00:03 -0500)]
bcachefs: bch_fs_usage_base

Split out base filesystem usage into its own type; prep work for
breaking up bch2_trans_fs_usage_apply().

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: bch2_prt_compression_type()
Kent Overstreet [Sun, 7 Jan 2024 02:01:47 +0000 (21:01 -0500)]
bcachefs: bch2_prt_compression_type()

bounds checking helper, since compression types are extensible

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: helpers for printing data types
Kent Overstreet [Sun, 7 Jan 2024 01:57:43 +0000 (20:57 -0500)]
bcachefs: helpers for printing data types

We need bounds checking since new versions may introduce new data types.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: BTREE_TRIGGER_ATOMIC
Kent Overstreet [Sun, 7 Jan 2024 22:14:46 +0000 (17:14 -0500)]
bcachefs: BTREE_TRIGGER_ATOMIC

Add a new flag to be explicit about when we're running atomic triggers.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: drop to_text code for obsolete bps in alloc keys
Kent Overstreet [Sun, 7 Jan 2024 00:47:09 +0000 (19:47 -0500)]
bcachefs: drop to_text code for obsolete bps in alloc keys

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: eytzinger_for_each() declares loop iter
Kent Overstreet [Sun, 7 Jan 2024 00:29:14 +0000 (19:29 -0500)]
bcachefs: eytzinger_for_each() declares loop iter

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: Don't log errors if BCH_WRITE_ALLOC_NOWAIT
Kent Overstreet [Thu, 11 Jan 2024 04:08:30 +0000 (23:08 -0500)]
bcachefs: Don't log errors if BCH_WRITE_ALLOC_NOWAIT

Previously, we added logging in the write path to ensure that any
unexpected errors getting reported to userspace have a log message; but
BCH_WRITE_ALLOC_NOWAIT is a special case, it's used for promotes where
errors are expected and not reported out to userspace - so we need to
silence those.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agobcachefs: fix memleak in bch2_split_devs
Su Yue [Mon, 8 Jan 2024 15:11:08 +0000 (23:11 +0800)]
bcachefs: fix memleak in bch2_split_devs

The pointer dev_name can be modified by strseq(),
then causes the memleak:

unreferenced object 0xffff9d08a2916c80 (size 32):
  comm "mount.bcachefs", pid 9090, jiffies 4295856224 (age 17.564s)
  hex dump (first 32 bytes):
    2f 64 65 76 2f 6d 61 70 70 65 72 2f 74 65 73 74  /dev/mapper/test
    2d 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00  -0..............
  backtrace:
    [<00000000c5d3be7d>] __kmem_cache_alloc_node+0x1f3/0x2c0
    [<0000000052215d26>] __kmalloc_node_track_caller+0x51/0x150
    [<0000000069fea956>] kstrdup+0x32/0x60
    [<000000000877fcf1>] bch2_split_devs+0x3f/0x150 [bcachefs]
    [<000000007ee93204>] bch2_mount+0xcb/0x640 [bcachefs]
    [<000000002dd1e04b>] legacy_get_tree+0x30/0x60
    [<000000006afc31d3>] vfs_get_tree+0x28/0xf0
    [<000000007b0c538e>] path_mount+0x475/0xb60
    [<0000000092de5882>] __x64_sys_mount+0x105/0x140
    [<0000000054fc05d8>] do_syscall_64+0x42/0xf0
    [<00000000df584910>] entry_SYSCALL_64_after_hwframe+0x6e/0x76

Fix it by copy pointer dev_name at beginning and free the copied
pointer at end.

Signed-off-by: Su Yue <glass.su@suse.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
9 months agoMerge tag 'v6.8-rc-part2-smb-client' of git://git.samba.org/sfrench/cifs-2.6
Linus Torvalds [Sun, 21 Jan 2024 00:48:07 +0000 (16:48 -0800)]
Merge tag 'v6.8-rc-part2-smb-client' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client updates from Steve French:
 "Various smb client fixes, including multichannel and for SMB3.1.1
  POSIX extensions:

   - debugging improvement (display start time for stats)

   - two reparse point handling fixes

   - various multichannel improvements and fixes

   - SMB3.1.1 POSIX extensions open/create parsing fix

   - retry (reconnect) improvement including new retrans mount parm, and
     handling of two additional return codes that need to be retried on

   - two minor cleanup patches and another to remove duplicate query
     info code

   - two documentation cleanup, and one reviewer email correction"

* tag 'v6.8-rc-part2-smb-client' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update iface_last_update on each query-and-update
  cifs: handle servers that still advertise multichannel after disabling
  cifs: new mount option called retrans
  cifs: reschedule periodic query for server interfaces
  smb: client: don't clobber ->i_rdev from cached reparse points
  smb: client: get rid of smb311_posix_query_path_info()
  smb: client: parse owner/group when creating reparse points
  smb: client: fix parsing of SMB3.1.1 POSIX create context
  cifs: update known bugs mentioned in kernel docs for cifs
  cifs: new nt status codes from MS-SMB2
  cifs: pick channel for tcon and tdis
  cifs: open_cached_dir should not rely on primary channel
  smb3: minor documentation updates
  Update MAINTAINERS email address
  cifs: minor comment cleanup
  smb3: show beginning time for per share stats
  cifs: remove redundant variable tcon_exist

9 months agoMerge tag 'dmaengine-fix-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sat, 20 Jan 2024 23:03:25 +0000 (15:03 -0800)]
Merge tag 'dmaengine-fix-6.8-rc1' of git://git./linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "New support:
   - Loongson LS2X APB DMA controller
   - sf-pdma: mpfs-pdma support
   - Qualcomm X1E80100 GPI dma controller support

  Updates:
   - Xilinx XDMA updates to support interleaved DMA transfers
   - TI PSIL threads for AM62P and J722S and cfg register regions
     description
   - axi-dmac Improving the cyclic DMA transfers
   - Tegra Support dma-channel-mask property
   - Remaining platform remove callback returning void conversions

 Driver fixes for:
   - Xilinx xdma driver operator precedence and initialization fix
   - Excess kernel-doc warning fix in imx-sdma xilinx xdma drivers
   - format-overflow warning fix for rz-dmac, sh usb dmac drivers
   - 'output may be truncated' fix for shdma, fsl-qdma and dw-edma
     drivers"

* tag 'dmaengine-fix-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (58 commits)
  dmaengine: dw-edma: increase size of 'name' in debugfs code
  dmaengine: fsl-qdma: increase size of 'irq_name'
  dmaengine: shdma: increase size of 'dev_id'
  dmaengine: xilinx: xdma: Fix kernel-doc warnings
  dmaengine: usb-dmac: Avoid format-overflow warning
  dmaengine: sh: rz-dmac: Avoid format-overflow warning
  dmaengine: imx-sdma: fix Excess kernel-doc warnings
  dmaengine: xilinx: xdma: Fix initialization location of desc in xdma_channel_isr()
  dmaengine: xilinx: xdma: Fix operator precedence in xdma_prep_interleaved_dma()
  dmaengine: xilinx: xdma: statify xdma_prep_interleaved_dma
  dmaengine: xilinx: xdma: Workaround truncation compilation error
  dmaengine: pl330: issue_pending waits until WFP state
  dmaengine: xilinx: xdma: Implement interleaved DMA transfers
  dmaengine: xilinx: xdma: Prepare the introduction of interleaved DMA transfers
  dmaengine: xilinx: xdma: Add transfer error reporting
  dmaengine: xilinx: xdma: Add error checking in xdma_channel_isr()
  dmaengine: xilinx: xdma: Rework xdma_terminate_all()
  dmaengine: xilinx: xdma: Ease dma_pool alignment requirements
  dmaengine: xilinx: xdma: Add necessary macro definitions
  dmaengine: xilinx: xdma: Get rid of unused code
  ...

9 months agoMerge tag 'coccinelle-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawa...
Linus Torvalds [Sat, 20 Jan 2024 22:20:34 +0000 (14:20 -0800)]
Merge tag 'coccinelle-for-6.8' of git://git./linux/kernel/git/jlawall/linux

Pull coccinelle updates from Julia Lawall:
 "Updates to the device_attr_show semantic patch to reflect the new
  guidelines of the Linux kernel documentation.

  The problem was identified by Li Zhijian <lizhijian@fujitsu.com>, who
  proposed an initial fix"

* tag 'coccinelle-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
  coccinelle: device_attr_show: simplify patch case
  coccinelle: device_attr_show: Adapt to the latest Documentation/filesystems/sysfs.rst

9 months agomedia: solo6x10: replace max(a, min(b, c)) by clamp(b, a, c)
Aurelien Jarno [Sat, 13 Jan 2024 18:33:31 +0000 (19:33 +0100)]
media: solo6x10: replace max(a, min(b, c)) by clamp(b, a, c)

This patch replaces max(a, min(b, c)) by clamp(b, a, c) in the solo6x10
driver.  This improves the readability and more importantly, for the
solo6x10-p2m.c file, this reduces on my system (x86-64, gcc 13):

 - the preprocessed size from 121 MiB to 4.5 MiB;

 - the build CPU time from 46.8 s to 1.6 s;

 - the build memory from 2786 MiB to 98MiB.

In fine, this allows this relatively simple C file to be built on a
32-bit system.

Reported-by: Jiri Slaby <jirislaby@gmail.com>
Closes: https://lore.kernel.org/lkml/18c6df0d-45ed-450c-9eda-95160a2bbb8e@gmail.com/
Cc: <stable@vger.kernel.org> # v6.7+
Suggested-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: David Laight <David.Laight@ACULAB.COM>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 months agococcinelle: device_attr_show: simplify patch case
Julia Lawall [Sat, 20 Jan 2024 20:56:11 +0000 (21:56 +0100)]
coccinelle: device_attr_show: simplify patch case

Replacing the final expression argument by ... allows the format
string to have multiple arguments.

It also has the advantage of allowing the change to be recognized as
a change in a single statement, thus avoiding adding unneeded braces.

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
9 months agoexecve: open the executable file before doing anything else
Linus Torvalds [Tue, 9 Jan 2024 00:43:04 +0000 (16:43 -0800)]
execve: open the executable file before doing anything else

No point in allocating a new mm, counting arguments and environment
variables etc if we're just going to return ENOENT.

This patch does expose the fact that 'do_filp_open()' that execve() uses
is still unnecessarily expensive in the failure case, because it
allocates the 'struct file *' early, even if the path lookup (which is
heavily optimized) fails.

So that remains an unnecessary cost in the "no such executable" case,
but it's a separate issue.  Regardless, I do not want to do _both_ a
filename_lookup() and a later do_filp_open() like the origin patch by
Josh Triplett did in [1].

Reported-by: Josh Triplett <josh@joshtriplett.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/lkml/5c7333ea4bec2fad1b47a8fa2db7c31e4ffc4f14.1663334978.git.josh@joshtriplett.org/
Link: https://lore.kernel.org/lkml/202209161637.9EDAF6B18@keescook/
Link: https://lore.kernel.org/lkml/CAHk-=wgznerM-xs+x+krDfE7eVBiy_HOam35rbsFMMOwvYuEKQ@mail.gmail.com/
Link: https://lore.kernel.org/lkml/CAHk-=whf9qLO8ipps4QhmS0BkM8mtWJhvnuDSdtw5gFjhzvKNA@mail.gmail.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 months agoMerge tag 'riscv-for-linus-6.8-mw4' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 20 Jan 2024 19:06:04 +0000 (11:06 -0800)]
Merge tag 'riscv-for-linus-6.8-mw4' of git://git./linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:

 - Support for tuning for systems with fast misaligned accesses.

 - Support for SBI-based suspend.

 - Support for the new SBI debug console extension.

 - The T-Head CMOs now use PA-based flushes.

 - Support for enabling the V extension in kernel code.

 - Optimized IP checksum routines.

 - Various ftrace improvements.

 - Support for archrandom, which depends on the Zkr extension.

 - The build is no longer broken under NET=n, KUNIT=y for ports that
   don't define their own ipv6 checksum.

* tag 'riscv-for-linus-6.8-mw4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (56 commits)
  lib: checksum: Fix build with CONFIG_NET=n
  riscv: lib: Check if output in asm goto supported
  riscv: Fix build error on rv32 + XIP
  riscv: optimize ELF relocation function in riscv
  RISC-V: Implement archrandom when Zkr is available
  riscv: Optimize hweight API with Zbb extension
  riscv: add dependency among Image(.gz), loader(.bin), and vmlinuz.efi
  samples: ftrace: Add RISC-V support for SAMPLE_FTRACE_DIRECT[_MULTI]
  riscv: ftrace: Add DYNAMIC_FTRACE_WITH_DIRECT_CALLS support
  riscv: ftrace: Make function graph use ftrace directly
  riscv: select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
  lib/Kconfig.debug: Update AS_HAS_NON_CONST_LEB128 comment and name
  riscv: Restrict DWARF5 when building with LLVM to known working versions
  riscv: Hoist linker relaxation disabling logic into Kconfig
  kunit: Add tests for csum_ipv6_magic and ip_fast_csum
  riscv: Add checksum library
  riscv: Add checksum header
  riscv: Add static key for misaligned accesses
  asm-generic: Improve csum_fold
  RISC-V: selftests: cbo: Ensure asm operands match constraints
  ...

9 months agoMerge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Linus Torvalds [Sat, 20 Jan 2024 17:42:32 +0000 (09:42 -0800)]
Merge tag 'scsi-misc' of git://git./linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Final round of fixes that came in too late to send in the first
  request.

  It's nine bug fixes and one version update (because of a bug fix) and
  one set of PCI ID additions. There's one bug fix in the core which is
  really a one liner (except that an additional sdev pointer was added
  for convenience) and the rest are in drivers"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: target: core: Add TMF to tmr_list handling
  scsi: core: Kick the requeue list after inserting when flushing
  scsi: fnic: unlock on error path in fnic_queuecommand()
  scsi: fcoe: Fix unsigned comparison with zero in store_ctlr_mode()
  scsi: mpi3mr: Fix mpi3mr_fw.c kernel-doc warnings
  scsi: smartpqi: Bump driver version to 2.1.26-030
  scsi: smartpqi: Fix logical volume rescan race condition
  scsi: smartpqi: Add new controller PCI IDs
  scsi: ufs: qcom: Remove unnecessary goto statement from ufs_qcom_config_esi()
  scsi: ufs: core: Remove the ufshcd_hba_exit() call from ufshcd_async_scan()
  scsi: ufs: core: Simplify power management during async scan

9 months agoMerge tag 'sh-for-v6.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubit...
Linus Torvalds [Sat, 20 Jan 2024 17:24:06 +0000 (09:24 -0800)]
Merge tag 'sh-for-v6.8-tag1' of git://git./linux/kernel/git/glaubitz/sh-linux

Pull sh updates from John Paul Adrian Glaubitz:
 "Since the large patch series to convert arch/sh to device tree support
  has not been finalized yet due to various maintainers still asking for
  changes to the series, this ended up being rather small consisting of
  just two fixes.

  The first patch by Geert Uytterhoeven addresses a build failure in the
  EcoVec platform code. And the second patch by Masahiro Yamada removes
  an unnecessary $(foreach ...) found in a Makefile of the vsyscall
  code.

   - Rename missed backlight field from fbdev to dev

   - Remove unnecessary $(foreach ...)"

* tag 'sh-for-v6.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
  sh: vsyscall: Remove unnecessary $(foreach ...)
  sh: ecovec24: Rename missed backlight field from fbdev to dev

9 months agoMerge tag 'fbdev-for-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sat, 20 Jan 2024 17:14:04 +0000 (09:14 -0800)]
Merge tag 'fbdev-for-6.8-rc1-2' of git://git./linux/kernel/git/deller/linux-fbdev

Pull fbdev fix from Helge Deller:
 "There were various reports from people without any graphics output on
  the screen and it turns out one commit triggers the problem.

   - Revert 'firmware/sysfb: Clear screen_info state after consuming it'"

* tag 'fbdev-for-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  Revert "firmware/sysfb: Clear screen_info state after consuming it"

9 months agoMerge tag 'perf-tools-for-v6.8-1-2024-01-09' of git://git.kernel.org/pub/scm/linux...
Linus Torvalds [Fri, 19 Jan 2024 22:25:23 +0000 (14:25 -0800)]
Merge tag 'perf-tools-for-v6.8-1-2024-01-09' of git://git./linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:
 "Add Namhyung Kim as tools/perf/ co-maintainer, we're taking turns
  processing patches, switching roles from perf-tools to perf-tools-next
  at each Linux release.

  Data profiling:

   - Associate samples that identify loads and stores with data
     structures. This uses events available on Intel, AMD and others and
     DWARF info:

       # To get memory access samples in kernel for 1 second (on Intel)
       $ perf mem record -a -K --ldlat=4 -- sleep 1

       # Similar for the AMD (but it requires 6.3+ kernel for BPF filters)
       $ perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000' -- sleep 1

     Then, amongst several modes of post processing, one can do things like:

       $ perf report -s type,typeoff --hierarchy --group --stdio
       ...
       #
       # Samples: 10K of events 'cpu/mem-loads,ldlat=4/P, cpu/mem-stores/P, dummy:u'
       # Event count (approx.): 602758064
       #
       #                    Overhead  Data Type / Data Type Offset
       # ...........................  ............................
       #
           26.09%   3.28%   0.00%     long unsigned int
              26.09%   3.28%   0.00%     long unsigned int +0 (no field)
           18.48%   0.73%   0.00%     struct page
              10.83%   0.02%   0.00%     struct page +8 (lru.next)
               3.90%   0.28%   0.00%     struct page +0 (flags)
               3.45%   0.06%   0.00%     struct page +24 (mapping)
               0.25%   0.28%   0.00%     struct page +48 (_mapcount.counter)
               0.02%   0.06%   0.00%     struct page +32 (index)
               0.02%   0.00%   0.00%     struct page +52 (_refcount.counter)
               0.02%   0.01%   0.00%     struct page +56 (memcg_data)
               0.00%   0.01%   0.00%     struct page +16 (lru.prev)
           15.37%  17.54%   0.00%     (stack operation)
              15.37%  17.54%   0.00%     (stack operation) +0 (no field)
           11.71%  50.27%   0.00%     (unknown)
              11.71%  50.27%   0.00%     (unknown) +0 (no field)

       $ perf annotate --data-type
       ...
       Annotate type: 'struct cfs_rq' in [kernel.kallsyms] (13 samples):
       ============================================================================
           samples     offset       size  field
                13          0        640  struct cfs_rq         {
                 2          0         16      struct load_weight       load {
                 2          0          8          unsigned long        weight;
                 0          8          4          u32  inv_weight;
                                              };
                 0         16          8      unsigned long    runnable_weight;
                 0         24          4      unsigned int     nr_running;
                 1         28          4      unsigned int     h_nr_running;
       ...

       $ perf annotate --data-type=page --group
       Annotate type: 'struct page' in [kernel.kallsyms] (480 samples):
        event[0] = cpu/mem-loads,ldlat=4/P
        event[1] = cpu/mem-stores/P
        event[2] = dummy:u
       ===================================================================================
                samples  offset  size  field
       447  33        0       0    64  struct page     {
       108   8        0       0     8  long unsigned int  flags;
       319  13        0       8    40  union       {
       319  13        0       8    40          struct          {
       236   2        0       8    16              union       {
       236   2        0       8    16                  struct list_head       lru {
       236   1        0       8     8                      struct list_head*  next;
         0   1        0      16     8                      struct list_head*  prev;
                                                       };
       236   2        0       8    16                  struct          {
       236   1        0       8     8                      void*      __filler;
         0   1        0      16     4                      unsigned int       mlock_count;
                                                       };
       236   2        0       8    16                  struct list_head       buddy_list {
       236   1        0       8     8                      struct list_head*  next;
         0   1        0      16     8                      struct list_head*  prev;
                                                       };
       236   2        0       8    16                  struct list_head       pcp_list {
       236   1        0       8     8                      struct list_head*  next;
         0   1        0      16     8                      struct list_head*  prev;
                                                       };
                                                   };
        82   4        0      24     8              struct address_space*      mapping;
         1   7        0      32     8              union       {
         1   7        0      32     8                  long unsigned int      index;
         1   7        0      32     8                  long unsigned int      share;
                                                   };
         0   0        0      40     8              long unsigned int  private;
                                                                 };

     This uses the existing annotate code, calling objdump to do the
     disassembly, with improvements to avoid having this take too long,
     but longer term a switch to a disassembler library, possibly
     reusing code in the kernel will be pursued.

     This is the initial implementation, please use it and report
     impressions and bugs. Make sure the kernel-debuginfo packages match
     the running kernel. The 'perf report' phase for non short perf.data
     files may take a while.

     There is a great article about it on LWN:

       https://lwn.net/Articles/955709/ - "Data-type profiling for perf"

     One last test I did while writing this text, on a AMD Ryzen 5950X,
     using a distro kernel, while doing a simple 'find /' on an
     otherwise idle system resulted in:

     # uname -r
     6.6.9-100.fc38.x86_64
     # perf -vv | grep BPF_
                      bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
            bpf_skeletons: [ on  ]  # HAVE_BPF_SKEL
     # rpm -qa | grep kernel-debuginfo
     kernel-debuginfo-common-x86_64-6.6.9-100.fc38.x86_64
     kernel-debuginfo-6.6.9-100.fc38.x86_64
     #
     # perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000'
     ^C[ perf record: Woken up 1 times to write data ]
     [ perf record: Captured and wrote 2.199 MB perf.data (2913 samples) ]
     #
     # ls -la perf.data
     -rw-------. 1 root root 2346486 Jan  9 18:36 perf.data
     # perf evlist
     ibs_op//
     dummy:u
     # perf evlist -v
     ibs_op//: type: 11, size: 136, config: 0, { sample_period, sample_freq }: 4000, sample_type: IP|TID|TIME|ADDR|CPU|PERIOD|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, disabled: 1, inherit: 1, freq: 1, sample_id_all: 1
     dummy:u: type: 1 (PERF_TYPE_SOFTWARE), size: 136, config: 0x9 (PERF_COUNT_SW_DUMMY), { sample_period, sample_freq }: 1, sample_type: IP|TID|TIME|ADDR|CPU|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, inherit: 1, exclude_kernel: 1, exclude_hv: 1, mmap: 1, comm: 1, task: 1, mmap_data: 1, sample_id_all: 1, exclude_guest: 1, mmap2: 1, comm_exec: 1, ksymbol: 1, bpf_event: 1
     #
     # perf report -s type,typeoff --hierarchy --group --stdio
     # Total Lost Samples: 0
     #
     # Samples: 2K of events 'ibs_op//, dummy:u'
     # Event count (approx.): 1904553038
     #
     #            Overhead  Data Type / Data Type Offset
     # ...................  ............................
     #
         73.70%   0.00%     (unknown)
            73.70%   0.00%     (unknown) +0 (no field)
          3.01%   0.00%     long unsigned int
             3.00%   0.00%     long unsigned int +0 (no field)
             0.01%   0.00%     long unsigned int +2 (no field)
          2.73%   0.00%     struct task_struct
             1.71%   0.00%     struct task_struct +52 (on_cpu)
             0.38%   0.00%     struct task_struct +2104 (rcu_read_unlock_special.b.blocked)
             0.23%   0.00%     struct task_struct +2100 (rcu_read_lock_nesting)
             0.14%   0.00%     struct task_struct +2384 ()
             0.06%   0.00%     struct task_struct +3096 (signal)
             0.05%   0.00%     struct task_struct +3616 (cgroups)
             0.05%   0.00%     struct task_struct +2344 (active_mm)
             0.02%   0.00%     struct task_struct +46 (flags)
             0.02%   0.00%     struct task_struct +2096 (migration_disabled)
             0.01%   0.00%     struct task_struct +24 (__state)
             0.01%   0.00%     struct task_struct +3956 (mm_cid_active)
             0.01%   0.00%     struct task_struct +1048 (cpus_ptr)
             0.01%   0.00%     struct task_struct +184 (se.group_node.next)
             0.01%   0.00%     struct task_struct +20 (thread_info.cpu)
             0.00%   0.00%     struct task_struct +104 (on_rq)
             0.00%   0.00%     struct task_struct +2456 (pid)
          1.36%   0.00%     struct module
             0.59%   0.00%     struct module +952 (kallsyms)
             0.42%   0.00%     struct module +0 (state)
             0.23%   0.00%     struct module +8 (list.next)
             0.12%   0.00%     struct module +216 (syms)
          0.95%   0.00%     struct inode
             0.41%   0.00%     struct inode +40 (i_sb)
             0.22%   0.00%     struct inode +0 (i_mode)
             0.06%   0.00%     struct inode +76 (i_rdev)
             0.06%   0.00%     struct inode +56 (i_security)
     <SNIP>

  perf top/report:

   - Don't ignore job control, allowing control+Z + bg to work.

   - Add s390 raw data interpretation for PAI (Processor Activity
     Instrumentation) counters.

  perf archive:

   - Add new option '--all' to pack perf.data with DSOs.

   - Add new option '--unpack' to expand tarballs.

  Initialization speedups:

   - Lazily initialize zstd streams to save memory when not using it.

   - Lazily allocate/size mmap event copy.

   - Lazy load kernel symbols in 'perf record'.

   - Be lazier in allocating lost samples buffer in 'perf record'.

   - Don't synthesize BPF events when disabled via the command line
     (perf record --no-bpf-event).

  Assorted improvements:

   - Show note on AMD systems that the :p, :pp, :ppp and :P are all the
     same, as IBS (Instruction Based Sampling) is used and it is
     inherentely precise, not having levels of precision like in Intel
     systems.

   - When 'cycles' isn't available, fall back to the "task-clock" event
     when not system wide, not to 'cpu-clock'.

   - Add --debug-file option to redirect debug output, e.g.:

       $ perf --debug-file /tmp/perf.log record -v true

   - Shrink 'struct map' to under one cacheline by avoiding function
     pointers for selecting if addresses are identity or DSO relative,
     and using just a byte for some boolean struct members.

   - Resolve the arch specific strerrno just once to use in
     perf_env__arch_strerrno().

   - Reduce memory for recording PERF_RECORD_LOST_SAMPLES event.

  Assorted fixes:

   - Fix the default 'perf top' usage on Intel hybrid systems, now it
     starts with a browser showing the number of samples for Efficiency
     (cpu_atom/cycles/P) and Performance (cpu_core/cycles/P). This
     behaviour is similar on ARM64, with its respective set of
     big.LITTLE processors.

   - Fix segfault on build_mem_topology() error path.

   - Fix 'perf mem' error on hybrid related to availability of mem event
     in a PMU.

   - Fix missing reference count gets (map, maps) in the db-export code.

   - Avoid recursively taking env->bpf_progs.lock in the 'perf_env'
     code.

   - Use the newly introduced maps__for_each_map() to add missing
     locking around iteration of 'struct map' entries.

   - Parse NOTE segments until the build id is found, don't stop on the
     first one, ELF files may have several such NOTE segments.

   - Remove 'egrep' usage, its deprecated, use 'grep -E' instead.

   - Warn first about missing libelf, not libbpf, that depends on
     libelf.

   - Use alternative to 'find ... -printf' as this isn't supported in
     busybox.

   - Address python 3.6 DeprecationWarning for string scapes.

   - Fix memory leak in uniq() in libsubcmd.

   - Fix man page formatting for 'perf lock'

   - Fix some spelling mistakes.

  perf tests:

   - Fail shell tests that needs some symbol in perf itself if it is
     stripped. These tests check if a symbol is resolved, if some hot
     function is indeed detected by profiling, etc.

   - The 'perf test sigtrap' test is currently failing on PREEMPT_RT,
     skip it if sleeping spinlocks are detected (using BTF) and point to
     the mailing list discussion about it. This test is also being
     skipped on several architectures (powerpc, s390x, arm and aarch64)
     due to other pending issues with intruction breakpoints.

   - Adjust test case perf record offcpu profiling tests for s390.

   - Fix 'Setup struct perf_event_attr' fails on s390 on z/VM guest,
     addressing issues caused by the fallback from cycles to task-clock
     done in this release.

   - Fix mask for VG register in the user-regs test.

   - Use shellcheck on 'perf test' shell scripts automatically to make
     sure changes don't introduce things it flags as problematic.

   - Add option to change objdump binary and allow it to be set via
     'perf config'.

   - Add basic 'perf script', 'perf list --json" and 'perf diff' tests.

   - Basic branch counter support.

   - Make DSO tests a suite rather than individual.

   - Remove atomics from test_loop to avoid test failures.

   - Fix call chain match on powerpc for the record+probe_libc_inet_pton
     test.

   - Improve Intel hybrid tests.

  Vendor event files (JSON):

  powerpc:

   - Update datasource event name to fix duplicate events on IBM's
     Power10.

   - Add PVN for HX-C2000 CPU with Power8 Architecture.

  Intel:

   - Alderlake/rocketlake metric fixes.

   - Update emeraldrapids events to v1.02.

   - Update icelakex events to v1.23.

   - Update sapphirerapids events to v1.17.

   - Add skx, clx, icx and spr upi bandwidth metric.

  AMD:

   - Add Zen 4 memory controller events.

  RISC-V:

   - Add StarFive Dubhe-80 and Dubhe-90 JSON files.
       https://www.starfivetech.com/en/site/cpu-u

   - Add T-HEAD C9xx JSON file.
       https://github.com/riscv-software-src/opensbi/blob/master/docs/platform/thead-c9xx.md

  ARM64:

   - Remove UTF-8 characters from cmn.json, that were causing build
     failure in some distros.

   - Add core PMU events and metrics for Ampere One X.

   - Rename Ampere One's BPU_FLUSH_MEM_FAULT to GPC_FLUSH_MEM_FAULT

  libperf:

   - Rename several perf_cpu_map constructor names to clarify what they
     really do.

   - Ditto for some other methods, coping with some issues in their
     semantics, like perf_cpu_map__empty() ->
     perf_cpu_map__has_any_cpu_or_is_empty().

   - Document perf_cpu_map__nr()'s behavior

  perf stat:

   - Exit if parse groups fails.

   - Combine the -A/--no-aggr and --no-merge options.

   - Fix help message for --metric-no-threshold option.

  Hardware tracing:

  ARM64 CoreSight:

   - Bump minimum OpenCSD version to ensure a bugfix is present.

   - Add 'T' itrace option for timestamp trace

   - Set start vm addr of exectable file to 0 and don't ignore first
     sample on the arm-cs-trace-disasm.py 'perf script'"

* tag 'perf-tools-for-v6.8-1-2024-01-09' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (179 commits)
  MAINTAINERS: Add Namhyung as tools/perf/ co-maintainer
  perf test: test case 'Setup struct perf_event_attr' fails on s390 on z/vm
  perf db-export: Fix missing reference count get in call_path_from_sample()
  perf tests: Add perf script test
  libsubcmd: Fix memory leak in uniq()
  perf TUI: Don't ignore job control
  perf vendor events intel: Update sapphirerapids events to v1.17
  perf vendor events intel: Update icelakex events to v1.23
  perf vendor events intel: Update emeraldrapids events to v1.02
  perf vendor events intel: Alderlake/rocketlake metric fixes
  perf x86 test: Add hybrid test for conflicting legacy/sysfs event
  perf x86 test: Update hybrid expectations
  perf vendor events amd: Add Zen 4 memory controller events
  perf stat: Fix hard coded LL miss units
  perf record: Reduce memory for recording PERF_RECORD_LOST_SAMPLES event
  perf env: Avoid recursively taking env->bpf_progs.lock
  perf annotate: Add --insn-stat option for debugging
  perf annotate: Add --type-stat option for debugging
  perf annotate: Support event group display
  perf annotate: Add --data-type option
  ...