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Jiapeng Chong [Wed, 14 Sep 2022 10:19:43 +0000 (18:19 +0800)]
dmaengine: ti: edma: Remove some unused functions
These functions are defined in the edma.c file, but not called elsewhere,
so delete these unused functions.
drivers/dma/ti/edma.c:746:31: warning: unused function 'to_edma_cc'.
drivers/dma/ti/edma.c:420:20: warning: unused function 'edma_param_or'.
drivers/dma/ti/edma.c:414:20: warning: unused function 'edma_param_and'.
drivers/dma/ti/edma.c:402:20: warning: unused function 'edma_param_write'.
drivers/dma/ti/edma.c:373:28: warning: unused function 'edma_shadow0_read'.
drivers/dma/ti/edma.c:396:28: warning: unused function 'edma_param_read'.
drivers/dma/ti/edma.c:355:20: warning: unused function 'edma_or_array'.
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2152
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20220914101943.83929-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Bhupesh Sharma [Mon, 26 Sep 2022 11:22:00 +0000 (16:52 +0530)]
dt-bindings: dma: Make minor fixes to qcom,bam-dma binding doc
As a user recently noted, the qcom,bam-dma binding document
describes the msm8974 BAM DMA node in the 'example section'
incorrectly. Fix the same by making it consistent with the node
present inside 'qcom-msm8974' dts file, namely the 'reg' and
'interrupt' values which are incorrect in the 'example section'.
While at it also make two additioanal minor cleanups:
- mention Bjorn's new email ID in the document, and
- add SDM845 in the comment line for the SoCs on which
qcom,bam-v1.7.0 version is supported.
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220926112200.1948080-1-bhupesh.sharma@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Deming Wang [Tue, 20 Sep 2022 02:07:21 +0000 (22:07 -0400)]
Documentation: devicetree: dma: update the comments
remove the double word to.
Signed-off-by: Deming Wang <wangdeming@inspur.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20220920020721.2190-1-wangdeming@inspur.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Gustavo A. R. Silva [Mon, 26 Sep 2022 21:46:24 +0000 (16:46 -0500)]
dmaengine: sh: rcar-dmac: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
Zero-length arrays are deprecated and we are moving towards adopting
C99 flexible-array members, instead. So, replace zero-length arrays
declarations in anonymous union with the new DECLARE_FLEX_ARRAY()
helper macro.
This helper allows for flexible-array members in unions.
Link: https://github.com/KSPP/linux/issues/193
Link: https://github.com/KSPP/linux/issues/217
Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/YzIdsJqsR3LH2qEK@work
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Yuan Can [Wed, 28 Sep 2022 01:47:47 +0000 (01:47 +0000)]
dmaengine: idxd: Remove unused struct idxd_fault
Since fault processing code has been removed, struct idxd_fault is not used any
more and can be removed as well.
Signed-off-by: Yuan Can <yuancan@huawei.com>
Link: https://lore.kernel.org/r/20220928014747.106808-1-yuancan@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Geert Uytterhoeven [Mon, 26 Sep 2022 15:03:24 +0000 (17:03 +0200)]
dt-bindings: renesas,rcar-dmac: Add r8a779g0 support
Document support for the Direct Memory Access Controllers (DMAC) in the
Renesas R-Car V4H (R8A779G0) SoC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/0a4d40092a51345003742725aea512a815d27e89.1664204526.git.geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jerry Snitselaar [Wed, 28 Sep 2022 15:48:56 +0000 (08:48 -0700)]
dmaengine: idxd: track enabled workqueues in bitmap
Now that idxd_wq_disable_cleanup() sets the workqueue state to
IDXD_WQ_DISABLED, use a bitmap to track which workqueues have been
enabled. This will then be used to determine which workqueues
should be re-enabled when attempting a software reset to recover
from a device halt state.
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20220928154856.623545-3-jsnitsel@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jerry Snitselaar [Wed, 28 Sep 2022 15:48:55 +0000 (08:48 -0700)]
dmaengine: idxd: Set wq state to disabled in idxd_wq_disable_cleanup()
If we are calling idxd_wq_disable_cleanup(), the workqueue should be
in a disabled state. So set the workqueue state to IDXD_WQ_DISABLED so
that the state reflects that. Currently if there is a device failure,
and a software reset is attempted the workqueues will not be
re-enabled due to idxd_wq_enable() seeing that state as already being
IDXD_WQ_ENABLED.
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20220928154856.623545-2-jsnitsel@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Shaomin Deng [Tue, 30 Aug 2022 15:07:08 +0000 (11:07 -0400)]
dmaengine: pl08x: Fix double word
Fix the double word "many" in comments.
Signed-off-by: Shaomin Deng <dengshaomin@cdjrlc.com>
Link: https://lore.kernel.org/r/20220830150708.24507-1-dengshaomin@cdjrlc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Shaomin Deng [Thu, 25 Aug 2022 14:45:45 +0000 (10:45 -0400)]
dmaengine: virt-dma: Fix double word in comments
Delete the double word "many" in comments.
Signed-off-by: Shaomin Deng <dengshaomin@cdjrlc.com>
Link: https://lore.kernel.org/r/20220825144545.3528-1-dengshaomin@cdjrlc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Tuo Cao [Sun, 14 Aug 2022 13:13:23 +0000 (21:13 +0800)]
dmaengine: qcom: gpi: move read_lock_bh to read_lock in tasklet
it is unnecessary to call read_lock_bh in a tasklet.
Signed-off-by: Tuo Cao <91tuocao@gmail.com>
Link: https://lore.kernel.org/r/20220814131323.7029-1-91tuocao@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Dario Binacchi [Wed, 21 Sep 2022 17:05:56 +0000 (19:05 +0200)]
dmaengine: mxs: use platform_driver_register
Driver registration fails on SOC imx8mn as its supplier, the clock
control module, is probed later than subsys initcall level. This driver
uses platform_driver_probe which is not compatible with deferred probing
and won't be probed again later if probe function fails due to clock not
being available at that time.
This patch replaces the use of platform_driver_probe with
platform_driver_register which will allow probing the driver later again
when the clock control module will be available.
The __init annotation has been dropped because it is not compatible with
deferred probing. The code is not executed once and its memory cannot be
freed.
Fixes:
a580b8c5429a ("dmaengine: mxs-dma: add dma support for i.MX23/28")
Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220921170556.1055962-1-dario.binacchi@amarulasolutions.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jean Delvare [Wed, 3 Aug 2022 20:34:48 +0000 (22:34 +0200)]
dmaengine: dw-axi-dmac: Drop obsolete dependency on COMPILE_TEST
Since commit
0166dc11be91 ("of: make CONFIG_OF user selectable"), it
is possible to test-build any driver which depends on OF on any
architecture by explicitly selecting OF. Therefore depending on
COMPILE_TEST as an alternative is no longer needed.
It is actually better to always build such drivers with OF enabled,
so that the test builds are closer to how each driver will actually be
built on its intended target. Building them without OF may not test
much as the compiler will optimize out potentially large parts of the
code. In the worst case, this could even pop false positive warnings.
Dropping COMPILE_TEST here improves the quality of our testing and
avoids wasting time on non-existent issues.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Cc: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20220803223448.6f08095b@endymion.delvare
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Tudor Ambarus [Tue, 2 Aug 2022 14:06:30 +0000 (17:06 +0300)]
dmaengine: at_xdmac: Replace two if statements with only one with two conditions
Add a cosmetic change and replace two if statements with a single if
statement with two conditions. In case the optional txstate parameter is
NULL, we return the dma_cookie_status, which is fine, no functional change
required.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20220802140630.243550-1-tudor.ambarus@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Harini Katakam [Tue, 2 Aug 2022 10:22:32 +0000 (15:52 +0530)]
dmaengine: pl330: Remove unused flags
txd.flags is unused and need not be updated.
Signed-off-by: Harini Katakam <harini.katakam@amd.com>
Link: https://lore.kernel.org/r/20220802102232.17653-1-harini.katakam@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Christophe JAILLET [Sat, 30 Jul 2022 20:07:45 +0000 (22:07 +0200)]
dmaengine: stm32-dmamux: Simplify code and save a few bytes of memory
STM32_DMAMUX_MAX_DMA_REQUESTS is small (i.e. 32) and when the 'dma_inuse'
bitmap is allocated, there is already a check that 'dma_req' is <= this
limit.
So, there is no good reason to dynamically allocate this bitmap. This
just waste some memory and some cycles.
Use DECLARE_BITMAP with the maximum bitmap size instead.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/2d8c24359b2daa32ce0597a2949b7b2bebaf23de.1659211633.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jason Wang [Thu, 11 Aug 2022 12:09:59 +0000 (20:09 +0800)]
dmaengine: stm32-dmamux: Fix comment typo
The double `end' is duplicated in the comment, remove one.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20220811120959.18752-1-wangborong@cdjrlc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
ye xingchen [Wed, 10 Aug 2022 06:25:32 +0000 (06:25 +0000)]
dmaengine: sf-pdma:Remove the print function dev_err()
>From the coccinelle check:
./drivers/dma/sf-pdma/sf-pdma.c
Error:line 409 is redundant because platform_get_irq() already prints an
error
./drivers/dma/sf-pdma/sf-pdma.c
Error:line 424 is redundant because platform_get_irq() already prints an
error
So,remove the unnecessary print function dev_err()
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/20220810062532.13425-1-ye.xingchen@zte.com.cn
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Vaishnav Achath [Tue, 2 Aug 2022 05:48:35 +0000 (11:18 +0530)]
dmaengine: ti: k3-udma: Reset UDMA_CHAN_RT byte counters to prevent overflow
UDMA_CHAN_RT_*BCNT_REG stores the real-time channel bytecount statistics.
These registers are 32-bit hardware counters and the driver uses these
counters to monitor the operational progress status for a channel, when
transferring more than 4GB of data it was observed that these counters
overflow and completion calculation of a operation gets affected and the
transfer hangs indefinitely.
This commit adds changes to decrease the byte count for every complete
transaction so that these registers never overflow and the proper byte
count statistics is maintained for ongoing transaction by the RT counters.
Earlier uc->bcnt used to maintain a count of the completed bytes at driver
side, since the RT counters maintain the statistics of current transaction
now, the maintenance of uc->bcnt is not necessary.
Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20220802054835.19482-1-vaishnav.a@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
AngeloGioacchino Del Regno [Fri, 29 Jul 2022 10:44:33 +0000 (12:44 +0200)]
dt-bindings: dma: mediatek,uart-dma: Add binding for MT6795 SoC
Add mediatek,mt6795-uart-dma to the compatibles list to support
the MT6795 Helio X10 SoC's UART APDMA.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220729104441.39177-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Andy Shevchenko [Wed, 13 Jul 2022 17:22:35 +0000 (20:22 +0300)]
dmaengine: hsu: Include headers we are direct user of
For the sake of integrity, include headers we are direct user of.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220713172235.22611-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Andy Shevchenko [Wed, 13 Jul 2022 17:22:34 +0000 (20:22 +0300)]
dmaengine: hsu: Use GENMASK() consistently
For the masks replace chain of BIT() macros by GENMASK().
While at it, explicitly include bits.h.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220713172235.22611-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Andy Shevchenko [Wed, 13 Jul 2022 17:22:33 +0000 (20:22 +0300)]
dmaengine: hsu: using for_each_set_bit to simplify the code
It's more cleanly to use for_each_set_bit() instead of opencoding it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220713172235.22611-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Andy Shevchenko [Wed, 13 Jul 2022 17:22:32 +0000 (20:22 +0300)]
dmaengine: hsu: Finish conversion to managed resources
With help of devm_add_action_or_reset() we may finish conversion
the driver to use managed resources.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220713172235.22611-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Amelie Delaunay [Mon, 29 Aug 2022 15:46:46 +0000 (17:46 +0200)]
dmaengine: stm32-mdma: add support to be triggered by STM32 DMA
STM32 MDMA can be triggered by STM32 DMA channels transfer complete.
In case of non-null struct dma_slave_config .peripheral_size, it means the
DMA client wants the DMA to trigger the MDMA.
stm32-mdma driver gets the request id, the mask_addr, and the mask_data in
struct stm32_mdma_dma_config passed by DMA with struct dma_slave_config
.peripheral_config/.peripheral_size.
Then, as DMA is configured in Double-Buffer mode, and MDMA channel will
transfer data from/to SRAM to/from DDR, then bursts are optimized.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20220829154646.29867-7-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Amelie Delaunay [Mon, 29 Aug 2022 15:46:45 +0000 (17:46 +0200)]
dmaengine: stm32-dma: add support to trigger STM32 MDMA
STM32 MDMA can be triggered by STM32 DMA channels transfer complete.
The "request line number" triggering STM32 MDMA is the STM32 DMAMUX channel
id set by stm32-dmamux driver in dma_spec->args[3].
stm32-dma driver fills the struct stm32_dma_mdma_config used to configure
the MDMA with struct dma_slave_config .peripheral_config/.peripheral_size.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20220829154646.29867-6-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Amelie Delaunay [Mon, 29 Aug 2022 15:46:44 +0000 (17:46 +0200)]
dmaengine: stm32-dmamux: set dmamux channel id in dma features bitfield
STM32 DMAMUX is used with STM32 DMA1 and DMA2:
- DMAMUX channels 0 to 7 are connected to DMA1 channels 0 to 7
- DMAMUX channels 8 to 15 are connected to DMA2 channels 0 to 7
STM32 MDMA can be triggered by DMA1 and DMA2 channels transfer complete,
and the "request line number" is the DMAMUX channel id (e.g. DMA2 channel 0
triggers MDMA with request line 8).
To well configure MDMA, set DMAMUX channel id in DMA features bitfield,
so that DMA can update struct dma_slave_config peripheral_config properly.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20220829154646.29867-5-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Amelie Delaunay [Mon, 29 Aug 2022 15:46:43 +0000 (17:46 +0200)]
docs: arm: stm32: introduce STM32 DMA-MDMA chaining feature
STM32 DMA-MDMA chaining feature is available on STM32 SoCs which embed
STM32 DMAMUX, DMA and MDMA controllers. It is the case on STM32MP1 SoCs but
also on STM32H7 SoCs. But focus is on STM32MP1 SoCs, using DDR.
This documentation aims to explain how to use STM32 DMA-MDMA chaining
feature in drivers of STM32 peripheral having request lines on STM32 DMA.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20220829154646.29867-4-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Amelie Delaunay [Mon, 29 Aug 2022 15:46:42 +0000 (17:46 +0200)]
dmaengine: stm32-dma: use bitfield helpers
Use the FIELD_{GET,PREP}() helpers, instead of defining custom macros
implementing the same operations.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20220829154646.29867-3-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Amelie Delaunay [Mon, 29 Aug 2022 15:46:41 +0000 (17:46 +0200)]
dmaengine: stm32-dma: introduce 3 helpers to address channel flags
Channels 0 to 3 flags are described in DMA_LISR and DMA_LIFCR (L as Low).
Channels 4 to 7 flags are described in DMA_HISR and DMA_HIFCR (H as High).
Macro STM32_DMA_ISR(n) returns the interrupt status register offset for the
channel id (n).
Macro STM32_DMA_IFCR(n) returns the interrupt flag clear register offset
for the channel id (n).
If chan->id % 4 = 2 or 3, then its flags are left-shifted by 16 bits.
If chan->id % 4 = 1 or 3, then its flags are additionally left-shifted by 6
bits.
If chan->id % 4 = 0, then its flags are not shifted.
Macro STM32_DMA_FLAGS_SHIFT(n) returns the required shift to get or set the
channel flags mask.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20220829154646.29867-2-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jie Hai [Tue, 30 Aug 2022 06:22:51 +0000 (14:22 +0800)]
MAINTAINERS: Add myself as maintainer for hisi_dma
Add myself as a maintainer for hisi_dma.
Signed-off-by: Jie Hai <haijie1@huawei.com>
Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Link: https://lore.kernel.org/r/20220830062251.52993-8-haijie1@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jie Hai [Tue, 30 Aug 2022 06:22:50 +0000 (14:22 +0800)]
dmaengine: hisilicon: Dump regs to debugfs
This patch adds dump of registers with debugfs for HIP08
and HIP09 DMA driver.
Signed-off-by: Jie Hai <haijie1@huawei.com>
Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Link: https://lore.kernel.org/r/20220830062251.52993-7-haijie1@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jie Hai [Tue, 30 Aug 2022 06:22:49 +0000 (14:22 +0800)]
dmaengine: hisilicon: Adapt DMA driver to HiSilicon IP09
The HiSilicon IP08 and HiSilicon IP09 are DMA iEPs, they
have the same pci device id but different pci revision.
Unfortunately, they have different register layouts, so
the origin driver cannot run on HiSilicon IP09 correctly.
This patch enables the driver to adapt to HiSilicon IP09.
HiSilicon IP09 offers 4 channels, each channel has a send
queue, a complete queue and an interrupt to help to do tasks.
This DMA engine can do memory copy between memory blocks.
Signed-off-by: Jie Hai <haijie1@huawei.com>
Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Link: https://lore.kernel.org/r/20220830062251.52993-6-haijie1@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jie Hai [Tue, 30 Aug 2022 06:22:48 +0000 (14:22 +0800)]
dmaengine: hisilicon: Use macros instead of magic number
readl_relaxed_poll_timeout() uses magic numbers 10 and 1000, which
indicate maximum time to sleep between reads in us and timeout in us,
respectively.
Use macros HISI_DMA_POLL_Q_STS_DELAY_US and
HISI_DMA_POLL_Q_STS_TIME_OUT_US instead of these two numbers.
Signed-off-by: Jie Hai <haijie1@huawei.com>
Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Link: https://lore.kernel.org/r/20220830062251.52993-5-haijie1@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jie Hai [Tue, 30 Aug 2022 06:22:47 +0000 (14:22 +0800)]
dmaengine: hisilicon: Add multi-thread support for a DMA channel
When we get a DMA channel and try to use it in multiple threads it
will cause oops and hanging the system.
% echo 100 > /sys/module/dmatest/parameters/threads_per_chan
% echo 100 > /sys/module/dmatest/parameters/iterations
% echo 1 > /sys/module/dmatest/parameters/run
[383493.327077] Unable to handle kernel paging request at virtual
address
dead000000000108
[383493.335103] Mem abort info:
[383493.335103] ESR = 0x96000044
[383493.335105] EC = 0x25: DABT (current EL), IL = 32 bits
[383493.335107] SET = 0, FnV = 0
[383493.335108] EA = 0, S1PTW = 0
[383493.335109] FSC = 0x04: level 0 translation fault
[383493.335110] Data abort info:
[383493.335111] ISV = 0, ISS = 0x00000044
[383493.364739] CM = 0, WnR = 1
[383493.367793] [
dead000000000108] address between user and kernel
address ranges
[383493.375021] Internal error: Oops:
96000044 [#1] PREEMPT SMP
[383493.437574] CPU: 63 PID: 27895 Comm: dma0chan0-copy2 Kdump:
loaded Tainted: GO 5.17.0-rc4+ #2
[383493.457851] pstate:
204000c9 (nzCv daIF +PAN -UAO -TCO -DIT
-SSBS BTYPE=--)
[383493.465331] pc : vchan_tx_submit+0x64/0xa0
[383493.469957] lr : vchan_tx_submit+0x34/0xa0
This occurs because the transmission timed out, and that's due
to data race. Each thread rewrite channels's descriptor as soon as
device_issue_pending is called. It leads to the situation that
the driver thinks that it uses the right descriptor in interrupt
handler while channels's descriptor has been changed by other
thread. The descriptor which in fact reported interrupt will not
be handled any more, as well as its tx->callback.
That's why timeout reports.
With current fixes channels' descriptor changes it's value only
when it has been used. A new descriptor is acquired from
vc->desc_issued queue that is already filled with descriptors
that are ready to be sent. Threads have no direct access to DMA
channel descriptor. In case of channel's descriptor is busy, try
to submit to HW again when a descriptor is completed. In this case,
vc->desc_issued may be empty when hisi_dma_start_transfer is called,
so delete error reporting on this. Now it is just possible to queue
a descriptor for further processing.
Fixes:
e9f08b65250d ("dmaengine: hisilicon: Add Kunpeng DMA engine support")
Signed-off-by: Jie Hai <haijie1@huawei.com>
Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Link: https://lore.kernel.org/r/20220830062251.52993-4-haijie1@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jie Hai [Tue, 30 Aug 2022 06:22:46 +0000 (14:22 +0800)]
dmaengine: hisilicon: Fix CQ head update
After completion of data transfer of one or multiple descriptors,
the completion status and the current head pointer to submission
queue are written into the CQ and interrupt can be generated to
inform the software. In interrupt process CQ is read and cq_head
is updated.
hisi_dma_irq updates cq_head only when the completion status is
success. When an abnormal interrupt reports, cq_head will not update
which will cause subsequent interrupt processes read the error CQ
and never report the correct status.
This patch updates cq_head whenever CQ is accessed.
Fixes:
e9f08b65250d ("dmaengine: hisilicon: Add Kunpeng DMA engine support")
Signed-off-by: Jie Hai <haijie1@huawei.com>
Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Link: https://lore.kernel.org/r/20220830062251.52993-3-haijie1@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jie Hai [Tue, 30 Aug 2022 06:22:45 +0000 (14:22 +0800)]
dmaengine: hisilicon: Disable channels when unregister hisi_dma
When hisi_dma is unloaded or unbinded, all of channels should be
disabled. This patch disables DMA channels when driver is unloaded
or unbinded.
Fixes:
e9f08b65250d ("dmaengine: hisilicon: Add Kunpeng DMA engine support")
Signed-off-by: Jie Hai <haijie1@huawei.com>
Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Link: https://lore.kernel.org/r/20220830062251.52993-2-haijie1@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Jerry Snitselaar [Tue, 23 Aug 2022 16:37:09 +0000 (09:37 -0700)]
dmaengine: idxd: avoid deadlock in process_misc_interrupts()
idxd_device_clear_state() now grabs the idxd->dev_lock
itself, so don't grab the lock prior to calling it.
This was seen in testing after dmar fault occurred on system,
resulting in lockup stack traces.
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: dmaengine@vger.kernel.org
Fixes:
cf4ac3fef338 ("dmaengine: idxd: fix lockdep warning on device driver removal")
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20220823163709.2102468-1-jsnitsel@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Luca Weiss [Fri, 12 Aug 2022 08:27:20 +0000 (10:27 +0200)]
dmaengine: qcom: gpi: Add SM6350 support
The Qualcomm SM6350 platform does, like the SM8450, provide a set of GPI
controllers with an ee-offset of 0x10000. Add this to the driver.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220812082721.1125759-3-luca.weiss@fairphone.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Luca Weiss [Fri, 12 Aug 2022 08:27:19 +0000 (10:27 +0200)]
dt-bindings: dmaengine: qcom: gpi: add compatible for SM6350
Document the compatible for GPI DMA controller on SM6350 SoC.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220812082721.1125759-2-luca.weiss@fairphone.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Rob Herring [Mon, 1 Aug 2022 21:02:37 +0000 (15:02 -0600)]
dt-bindings: dma: arm,pl330: Add missing 'iommus' property
The pl330 can be behind an IOMMU which is the case for Arm Juno board.
Add the 'iommus' property allowing for 1 IOMMU entry per channel for
writes and 1 IOMMU entry for reads.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220801210237.1501488-1-robh@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Linus Torvalds [Sun, 14 Aug 2022 22:50:18 +0000 (15:50 -0700)]
Linux 6.0-rc1
Yury Norov [Fri, 12 Aug 2022 05:34:25 +0000 (22:34 -0700)]
radix-tree: replace gfp.h inclusion with gfp_types.h
Radix tree header includes gfp.h for __GFP_BITS_SHIFT only. Now we
have gfp_types.h for this.
Fixes powerpc allmodconfig build:
In file included from include/linux/nodemask.h:97,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:7,
from include/linux/radix-tree.h:12,
from include/linux/idr.h:15,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/pci.h:35,
from arch/powerpc/kernel/prom_init.c:24:
include/linux/random.h: In function 'add_latent_entropy':
>> include/linux/random.h:25:46: error: 'latent_entropy' undeclared (first use in this function); did you mean 'add_latent_entropy'?
25 | add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy));
| ^~~~~~~~~~~~~~
| add_latent_entropy
include/linux/random.h:25:46: note: each undeclared identifier is reported only once for each function it appears in
Reported-by: kernel test robot <lkp@intel.com>
CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Sun, 14 Aug 2022 20:03:53 +0000 (13:03 -0700)]
Merge tag 'pull-fixes' of git://git./linux/kernel/git/viro/vfs
Pull vfs lseek fix from Al Viro:
"Fix proc_reg_llseek() breakage. Always had been possible if somebody
left NULL ->proc_lseek, became a practical issue now"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
take care to handle NULL ->proc_lseek()
Al Viro [Sun, 14 Aug 2022 19:16:18 +0000 (15:16 -0400)]
take care to handle NULL ->proc_lseek()
Easily done now, just by clearing FMODE_LSEEK in ->f_mode
during proc_reg_open() for such entries.
Fixes:
868941b14441 "fs: remove no_llseek"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Linus Torvalds [Sun, 14 Aug 2022 16:28:54 +0000 (09:28 -0700)]
Merge tag 'for-linus-6.0-rc1b-tag' of git://git./linux/kernel/git/xen/tip
Pull more xen updates from Juergen Gross:
- fix the handling of the "persistent grants" feature negotiation
between Xen blkfront and Xen blkback drivers
- a cleanup of xen.config and adding xen.config to Xen section in
MAINTAINERS
- support HVMOP_set_evtchn_upcall_vector, which is more compliant to
"normal" interrupt handling than the global callback used up to now
- further small cleanups
* tag 'for-linus-6.0-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
MAINTAINERS: add xen config fragments to XEN HYPERVISOR sections
xen: remove XEN_SCRUB_PAGES in xen.config
xen/pciback: Fix comment typo
xen/xenbus: fix return type in xenbus_file_read()
xen-blkfront: Apply 'feature_persistent' parameter when connect
xen-blkback: Apply 'feature_persistent' parameter when connect
xen-blkback: fix persistent grants negotiation
x86/xen: Add support for HVMOP_set_evtchn_upcall_vector
Linus Torvalds [Sun, 14 Aug 2022 16:22:11 +0000 (09:22 -0700)]
Merge tag 'perf-tools-fixes-for-v6.0-2022-08-13' of git://git./linux/kernel/git/acme/linux
Pull more perf tool updates from Arnaldo Carvalho de Melo:
- 'perf c2c' now supports ARM64, adjust its output to cope with
differences with what is in x86_64. Now go find false sharing on
ARM64 (at least Neoverse) as well!
- Refactor the JSON processing, making the output more compact and thus
reducing the size of the resulting perf binary
- Improvements for 'perf offcpu' profiling, including tracking child
processes
- Update Intel JSON metrics and events files for broadwellde,
broadwellx, cascadelakex, haswellx, icelakex, ivytown, jaketown,
knightslanding, sapphirerapids, skylakex and snowridgex
- Add 'perf stat' JSON output and a 'perf test' entry for it
- Ignore memfd and anonymous mmap events if jitdump present
- Refactor 'perf test' shell tests allowing subdirs
- Fix an error handling path in 'parse_perf_probe_command()'
- Fixes for the guest Intel PT tracing patchkit in the 1st batch of
this merge window
- Print debuginfod queries if -v option is used, to explain delays in
processing when debuginfo servers are enabled to fetch DSOs with
richer symbol tables
- Improve error message for 'perf record -p not_existing_pid'
- Fix openssl and libbpf feature detection
- Add PMU pai_crypto event description for IBM z16 on 'perf list'
- Fix typos and duplicated words on comments in various places
* tag 'perf-tools-fixes-for-v6.0-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (81 commits)
perf test: Refactor shell tests allowing subdirs
perf vendor events: Update events for snowridgex
perf vendor events: Update events and metrics for skylakex
perf vendor events: Update metrics for sapphirerapids
perf vendor events: Update events for knightslanding
perf vendor events: Update metrics for jaketown
perf vendor events: Update metrics for ivytown
perf vendor events: Update events and metrics for icelakex
perf vendor events: Update events and metrics for haswellx
perf vendor events: Update events and metrics for cascadelakex
perf vendor events: Update events and metrics for broadwellx
perf vendor events: Update metrics for broadwellde
perf jevents: Fold strings optimization
perf jevents: Compress the pmu_events_table
perf metrics: Copy entire pmu_event in find metric
perf pmu-events: Hide the pmu_events
perf pmu-events: Don't assume pmu_event is an array
perf pmu-events: Move test events/metrics to JSON
perf test: Use full metric resolution
perf pmu-events: Hide pmu_events_map
...
Linus Torvalds [Sun, 14 Aug 2022 15:48:13 +0000 (08:48 -0700)]
Merge tag 'powerpc-6.0-2' of git://git./linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Ensure we never emit lwarx with EH=1 on 32-bit, because some 32-bit
CPUs trap on it rather than ignoring it as they should.
- Fix ftrace when building with clang, which was broken by some
refactoring.
- A couple of other minor fixes.
Thanks to Christophe Leroy, Naveen N. Rao, Nick Desaulniers, Ondrej
Mosnacek, Pali Rohár, Russell Currey, and Segher Boessenkool.
* tag 'powerpc-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/kexec: Fix build failure from uninitialised variable
powerpc/ppc-opcode: Fix PPC_RAW_TW()
powerpc64/ftrace: Fix ftrace for clang builds
powerpc: Make eh value more explicit when using lwarx
powerpc: Don't hide eh field of lwarx behind a macro
powerpc: Fix eh field when calling lwarx on PPC32
Linus Torvalds [Sun, 14 Aug 2022 00:35:58 +0000 (17:35 -0700)]
Merge tag 'pull-work.misc' of git://git./linux/kernel/git/viro/vfs
Pull /proc/mounts fix from Al Viro:
"Fix for /proc/mounts escaping - escape the '#' character too"
* tag 'pull-work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: escape hash as well
Linus Torvalds [Sun, 14 Aug 2022 00:31:18 +0000 (17:31 -0700)]
Merge tag '5.20-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6
Pull more cifs updates from Steve French:
- two fixes for stable, one for a lock length miscalculation, and
another fixes a lease break timeout bug
- improvement to handle leases, allows the close timeout to be
configured more safely
- five restructuring/cleanup patches
* tag '5.20-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Do not access tcon->cfids->cfid directly from is_path_accessible
cifs: Add constructor/destructors for tcon->cfid
SMB3: fix lease break timeout when multiple deferred close handles for the same file.
smb3: allow deferred close timeout to be configurable
cifs: Do not use tcon->cfid directly, use the cfid we get from open_cached_dir
cifs: Move cached-dir functions into a separate file
cifs: Remove {cifs,nfs}_fscache_release_page()
cifs: fix lock length calculation
David Howells [Wed, 10 Aug 2022 17:52:47 +0000 (18:52 +0100)]
afs: Enable multipage folio support
Enable multipage folio support for the afs filesystem.
Support has already been implemented in netfslib, fscache and cachefiles
and in most of afs, but I've waited for Matthew Wilcox's latest folio
changes.
Note that it does require a change to afs_write_begin() to return the
correct subpage. This is a "temporary" change as we're working on
getting rid of the need for ->write_begin() and ->write_end()
completely, at least as far as network filesystems are concerned - but
it doesn't prevent afs from making use of the capability.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: kafs-testing@auristor.com
Cc: Marc Dionne <marc.dionne@auristor.com>
Cc: linux-afs@lists.infradead.org
Link: https://lore.kernel.org/lkml/2274528.1645833226@warthog.procyon.org.uk/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Sat, 13 Aug 2022 21:38:22 +0000 (14:38 -0700)]
Merge tag 'timers-urgent-2022-08-13' of git://git./linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
"Misc timer fixes:
- fix a potential use-after-free bug in posix timers
- correct a prototype
- address a build warning"
* tag 'timers-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-cpu-timers: Cleanup CPU timers before freeing them during exec
time: Correct the prototype of ns_to_kernel_old_timeval and ns_to_timespec64
posix-timers: Make do_clock_gettime() static
Linus Torvalds [Sat, 13 Aug 2022 21:24:12 +0000 (14:24 -0700)]
Merge tag 'x86-urgent-2022-08-13' of git://git./linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"Fix the 'IBPB mitigated RETBleed' mode of operation on AMD CPUs (not
turned on by default), which also need STIBP enabled (if available) to
be '100% safe' on even the shortest speculation windows"
* tag 'x86-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bugs: Enable STIBP for IBPB mitigated RETBleed
Linus Torvalds [Sat, 13 Aug 2022 21:06:08 +0000 (14:06 -0700)]
Merge tag 'i2c-for-5.20-part2' of git://git./linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
- two driver fixes for issues introduced this cycle
- one trivial driver improvement regarding ACPI
- more DTS conversion and additions
- documentation updates
- subsystem-wide move from strlcpy to strscpy
* tag 'i2c-for-5.20-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
docs: i2c: i2c-sysfs: fix hyperlinks
docs: i2c: i2c-sysfs: improve wording
docs: i2c: instantiating-devices: add syntax coloring to dts and C blocks
docs: i2c: smbus-protocol: improve DataLow/DataHigh definition
docs: i2c: i2c-protocol: remove unused legend items
docs: i2c: i2c-protocol,smbus-protocol: remove nonsense words
docs: i2c: i2c-protocol: update introductory paragraph
i2c: move core from strlcpy to strscpy
i2c: move drivers from strlcpy to strscpy
i2c: kempld: Support ACPI I2C device declaration
i2c: mediatek: add i2c compatible for MT8188
dt-bindings: i2c: update bindings for mt8188 soc
i2c: microchip-corei2c: fix erroneous late ack send
dt-bindings: i2c: qcom,i2c-cci: convert to dtschema
i2c: qcom-geni: Fix GPI DMA buffer sync-back
Linus Torvalds [Sat, 13 Aug 2022 21:00:45 +0000 (14:00 -0700)]
Merge tag 'ntb-5.20' of https://github.com/jonmason/ntb
Pull NTB updates from Jon Mason:
"Non-Transparent Bridge updates.
Fix of heap data and clang warnings, support for a new Intel NTB
device, and NTB EndPoint Function (EPF) support and the various fixes
for that"
* tag 'ntb-5.20' of https://github.com/jonmason/ntb:
MAINTAINERS: add PCI Endpoint NTB drivers to NTB files
NTB: EPF: Tidy up some bounds checks
NTB: EPF: Fix error code in epf_ntb_bind()
PCI: endpoint: pci-epf-vntb: reduce several globals to statics
PCI: endpoint: pci-epf-vntb: fix error handle in epf_ntb_mw_bar_init()
PCI: endpoint: Fix Kconfig dependency
NTB: EPF: set pointer addr to null using NULL rather than 0
Documentation: PCI: extend subheading underline for "lspci output" section
Documentation: PCI: Use code-block block for scratchpad registers diagram
Documentation: PCI: Add specification for the PCI vNTB function device
PCI: endpoint: Support NTB transfer between RC and EP
NTB: epf: Allow more flexibility in the memory BAR map method
PCI: designware-ep: Allow pci_epc_set_bar() update inbound map address
ntb: intel: add GNR support for Intel PCIe gen5 NTB
NTB: ntb_tool: uninitialized heap data in tool_fn_write()
ntb: idt: fix clang -Wformat warnings
Linus Torvalds [Sat, 13 Aug 2022 20:50:11 +0000 (13:50 -0700)]
Merge tag 'xfs-5.20-merge-8' of git://git./fs/xfs/xfs-linux
Pull more xfs updates from Darrick Wong:
"There's not a lot this time around, just the usual bug fixes and
corrections for missing error returns.
- Return error codes from block device flushes to userspace
- Fix a deadlock between reclaim and mount time quotacheck
- Fix an unnecessary ENOSPC return when doing COW on a filesystem
with severe free space fragmentation
- Fix a miscalculation in the transaction reservation computations
for file removal operations"
* tag 'xfs-5.20-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix inode reservation space for removing transaction
xfs: Fix false ENOSPC when performing direct write on a delalloc extent in cow fork
xfs: fix intermittent hang during quotacheck
xfs: check return codes when flushing block devices
Linus Torvalds [Sat, 13 Aug 2022 20:41:48 +0000 (13:41 -0700)]
Merge tag 'scsi-misc' of git://git./linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"Mostly small bug fixes and trivial updates.
The major new core update is a change to the way device, target and
host reference counting is done to try to make it more robust (this
change has soaked for a while to try to winkle out any bugs)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: pm8001: Fix typo 'the the' in comment
scsi: megaraid_sas: Remove redundant variable cmd_type
scsi: FlashPoint: Remove redundant variable bm_int_st
scsi: zfcp: Fix missing auto port scan and thus missing target ports
scsi: core: Call blk_mq_free_tag_set() earlier
scsi: core: Simplify LLD module reference counting
scsi: core: Make sure that hosts outlive targets
scsi: core: Make sure that targets outlive devices
scsi: ufs: ufs-pci: Correct check for RESET DSM
scsi: target: core: De-RCU of se_lun and se_lun acl
scsi: target: core: Fix race during ACL removal
scsi: ufs: core: Correct ufshcd_shutdown() flow
scsi: ufs: core: Increase the maximum data buffer size
scsi: lpfc: Check the return value of alloc_workqueue()
Linus Torvalds [Sat, 13 Aug 2022 20:37:36 +0000 (13:37 -0700)]
Merge tag 'block-6.0-2022-08-12' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request
- print nvme connect Linux error codes properly (Amit Engel)
- fix the fc_appid_store return value (Christoph Hellwig)
- fix a typo in an error message (Christophe JAILLET)
- add another non-unique identifier quirk (Dennis P. Kliem)
- check if the queue is allocated before stopping it in nvme-tcp
(Maurizio Lombardi)
- restart admin queue if the caller needs to restart queue in
nvme-fc (Ming Lei)
- use kmemdup instead of kmalloc + memcpy in nvme-auth (Zhang
Xiaoxu)
- __alloc_disk_node() error handling fix (Rafael)
* tag 'block-6.0-2022-08-12' of git://git.kernel.dk/linux-block:
block: Do not call blk_put_queue() if gendisk allocation fails
nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG GAMMIX S70
nvme-tcp: check if the queue is allocated before stopping it
nvme-fabrics: Fix a typo in an error message
nvme-fabrics: parse nvme connect Linux error codes
nvmet-auth: use kmemdup instead of kmalloc + memcpy
nvme-fc: fix the fc_appid_store return value
nvme-fc: restart admin queue if the caller needs to restart queue
Linus Torvalds [Sat, 13 Aug 2022 20:28:54 +0000 (13:28 -0700)]
Merge tag 'io_uring-6.0-2022-08-13' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
- Regression fix for this merge window, fixing a wrong order of
arguments for io_req_set_res() for passthru (Dylan)
- Fix for the audit code leaking context memory (Peilin)
- Ensure that provided buffers are memcg accounted (Pavel)
- Correctly handle short zero-copy sends (Pavel)
- Sparse warning fixes for the recvmsg multishot command (Dylan)
- Error handling fix for passthru (Anuj)
- Remove randomization of struct kiocb fields, to avoid it growing in
size if re-arranged in such a fashion that it grows more holes or
padding (Keith, Linus)
- Small series improving type safety of the sqe fields (Stefan)
* tag 'io_uring-6.0-2022-08-13' of git://git.kernel.dk/linux-block:
io_uring: add missing BUILD_BUG_ON() checks for new io_uring_sqe fields
io_uring: make io_kiocb_to_cmd() typesafe
fs: don't randomize struct kiocb fields
io_uring: consistently make use of io_notif_to_data()
io_uring: fix error handling for io_uring_cmd
io_uring: fix io_recvmsg_prep_multishot sparse warnings
io_uring/net: send retry for zerocopy
io_uring: mem-account pbuf buckets
audit, io_uring, io-wq: Fix memory leak in io_sq_thread() and io_wqe_worker()
io_uring: pass correct parameters to io_req_set_res
Carsten Haitzler [Fri, 12 Aug 2022 12:16:28 +0000 (13:16 +0100)]
perf test: Refactor shell tests allowing subdirs
This is a prelude to adding more tests to shell tests and in order to
support putting those tests into subdirectories, I need to change the
test code that scans/finds and runs them.
To support subdirs I have to recurse so it's time to refactor the code
to allow this and centralize the shell script finding into one location
and only one single scan that builds a list of all the found tests in
memory instead of it being duplicated in 3 places.
This code also optimizes things like knowing the max width of desciption
strings (as we can do that while we scan instead of a whole new pass of
opening files).
It also more cleanly filters scripts to see only *.sh files thus
skipping random other files in directories like *~ backup files, other
random junk/data files that may appear and the scripts must be
executable to make the cut (this ensures the script lib dir is not seen
as scripts to run).
This avoids perf test running previous older versions of test scripts
that are editor backup files as well as skipping perf.data files that
may appear and so on.
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Link: https://lore.kernel.org/r/20220812121641.336465-2-carsten.haitzler@foss.arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:39 +0000 (16:52 +0800)]
perf vendor events: Update events for snowridgex
Update the events to v1.20, update events for snowridgex by the latest
event converter tools.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the snowridgex files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-12-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:38 +0000 (16:52 +0800)]
perf vendor events: Update events and metrics for skylakex
Update the events to v1.28, the metrics are based on TMA 4.4 full, update
events and metrics for skylakex by the latest event converter tools.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the skylakex files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-11-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:37 +0000 (16:52 +0800)]
perf vendor events: Update metrics for sapphirerapids
The metrics are based on TMA 4.4 full, add new metrics “UNCORE_FREQ” for
sapphirerapids.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the sapphirerapids files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-10-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:36 +0000 (16:52 +0800)]
perf vendor events: Update events for knightslanding
Update the events to v9, update events for knightslanding by the latest
event converter tools.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the knightslanding files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-9-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:35 +0000 (16:52 +0800)]
perf vendor events: Update metrics for jaketown
The metrics are based on TMA 4.4 full, add new metrics “UNCORE_FREQ” for
jaketown.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the jaketown files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-8-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:34 +0000 (16:52 +0800)]
perf vendor events: Update metrics for ivytown
The metrics are based on TMA 4.4 full, add new metrics “UNCORE_FREQ” for
ivytown.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the ivytown files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-7-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:33 +0000 (16:52 +0800)]
perf vendor events: Update events and metrics for icelakex
Update the events to v1.15, the metrics are based on TMA 4.4 full, update
events and metrics for icelakex by the latest event converter tools.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the icelakex files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-6-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:32 +0000 (16:52 +0800)]
perf vendor events: Update events and metrics for haswellx
Update the events to v25, the metrics are based on TMA 4.4 full, update
events and metrics for haswellx by the latest event converter tools.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the haswellx files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-5-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:31 +0000 (16:52 +0800)]
perf vendor events: Update events and metrics for cascadelakex
Update to v16, the metrics are based on TMA 4.4 full, update events and add
new metrics “UNCORE_FREQ” for cascadelakex.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the cascadelakex files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-4-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:30 +0000 (16:52 +0800)]
perf vendor events: Update events and metrics for broadwellx
Update to v19, the metrics are based on TMA 4.4 full, update events and add
new metrics “UNCORE_FREQ” for broadwellx.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the broadwellx files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-3-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Zhengjun Xing [Fri, 12 Aug 2022 08:52:29 +0000 (16:52 +0800)]
perf vendor events: Update metrics for broadwellde
The metrics are based on TMA 4.4 full, add new metrics “UNCORE_FREQ” for
broadwellde.
Use script at:
https://github.com/intel/event-converter-for-linux-perf/blob/master/download_and_gen.py
to download and generate the latest events and metrics. Manually copy
the broadwellde files into perf.
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220812085239.3089231-2-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:49 +0000 (16:09 -0700)]
perf jevents: Fold strings optimization
If a shorter string ends a longer string then the shorter string may
reuse the longer string at an offset. For example, on x86 the event
arith.cycles_div_busy and cycles_div_busy can be folded, even though
they have difference names the strings are identical after 6
characters. cycles_div_busy can reuse the arith.cycles_div_busy string
at an offset of 6.
In pmu-events.c this looks like the following where the 'also:' lists
folded strings:
/* offset=177541 */ "arith.cycles_div_busy\000\000pipeline\000Cycles the divider is busy\000\000\000event=0x14,period=
2000000,umask=0x1\000\000\000\000\000\000\000\000\000" /* also: cycles_div_busy\000\000pipeline\000Cycles the divider is busy\000\000\000event=0x14,period=
2000000,umask=0x1\000\000\000\000\000\000\000\000\000 */
As jevents.py combines multiple strings for an event into a larger
string, the amount of folding is minimal as all parts of the event must
align. Other organizations can benefit more from folding, but lose space
by say recording more offsets.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-15-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:48 +0000 (16:09 -0700)]
perf jevents: Compress the pmu_events_table
The pmu_events array requires 15 pointers per entry which in position
independent code need relocating. Change the array to be an array of
offsets within a big C string. Only the offset of the first variable is
required, subsequent variables are stored in order after the \0
terminator (requiring a byte per variable rather than 4 bytes per
offset).
The file size savings are:
no jevents - the same 19,788,464bytes
x86 jevents - ~16.7% file size saving 23,744,288bytes vs 28,502,632bytes
all jevents - ~19.5% file size saving 24,469,056bytes vs 30,379,920bytes
default build options plus NO_LIBBFD=1.
For example, the x86 build savings come from .rela.dyn and
.data.rel.ro becoming smaller by 3,157,032bytes and 3,042,016bytes
respectively. .rodata increases by 1,432,448bytes, giving an overall
4,766,600bytes saving.
To make metric strings more shareable, the topic is changed from say
'skx metrics' to just 'metrics'.
To try to help with the memory layout the pmu_events are ordered as used
by perf qsort comparator functions.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-14-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:47 +0000 (16:09 -0700)]
perf metrics: Copy entire pmu_event in find metric
The pmu_event passed to the pmu_events_table_for_each_event is invalid
after the loop. Copy the entire struct in metricgroup__find_metric.
Reduce the scope of this function to static.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-13-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:46 +0000 (16:09 -0700)]
perf pmu-events: Hide the pmu_events
Hide that the pmu_event structs are an array with a new wrapper struct.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-12-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:45 +0000 (16:09 -0700)]
perf pmu-events: Don't assume pmu_event is an array
The current code assumes that a struct pmu_event can be iterated over
forward until a NULL pmu_event is encountered.
This makes it difficult to refactor pmu_event.
Add a loop function taking a callback function that's passed the struct
pmu_event.
This way the pmu_event is only needed for one element and not an entire
array.
Switch existing code iterating over the pmu_event arrays to use the new
loop function pmu_events_table_for_each_event.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-11-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:44 +0000 (16:09 -0700)]
perf pmu-events: Move test events/metrics to JSON
Move arrays of pmu_events into the JSON code so that it may be
regenerated and modified by the jevents.py script.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-10-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:43 +0000 (16:09 -0700)]
perf test: Use full metric resolution
The simple metric resolution doesn't handle recursion properly, switch
to use the full resolution as with the parse-metric tests which also
increases coverage. Don't set the values for the metric backward as
failures to generate a result are ignored.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-9-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:42 +0000 (16:09 -0700)]
perf pmu-events: Hide pmu_events_map
Move usage of the table to pmu-events.c so it may be hidden. By
abstracting the table the implementation can later be changed.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-8-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:41 +0000 (16:09 -0700)]
perf pmu-events: Avoid passing pmu_events_map
Preparation for hiding pmu_events_map as an implementation detail. While
the map is passed, the table of events is all that is normally wanted.
While modifying the function's types, rename pmu_events_map__find to
pmu_events_table__find to match later encapsulation. Similarly rename
pmu_add_cpu_aliases_map to pmu_add_cpu_aliases_table.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-7-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:40 +0000 (16:09 -0700)]
perf pmu-events: Hide pmu_sys_event_tables
Move usage of the table to pmu-events.c so it may be hidden. By
abstracting the table the implementation can later be changed.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-6-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:39 +0000 (16:09 -0700)]
perf jevents: Sort JSON files entries
Sort the JSON files entries on conversion to C. The sort order tries to
replicated cmp_sevent from pmu.c so that the input there is already
sorted except for sysfs events. Specifically, the sort order is given by
the tuple:
(not j.desc is None, fix_none(j.topic), fix_none(j.name), fix_none(j.pmu), fix_none(j.metric_name))
which is putting events with descriptions and topics before those
without, then sorting by name, then pmu and finally metric_name
Add the topic to JsonEvent on reading to simplify. Remove an unnecessary
lambda in the JSON reading.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-5-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:38 +0000 (16:09 -0700)]
perf jevents: Provide path to JSON file on error
If a JSONDecoderError or similar is raised then it is useful to know the
path. Print this and then raise the exception agan.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:37 +0000 (16:09 -0700)]
perf jevents: Remove the type/version variables
pmu_events_map has a type variable that is always initialized to "core"
and a version variable that is never read. Remove these from the API as
it is straightforward to add them back when necessary.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Fri, 12 Aug 2022 23:09:36 +0000 (16:09 -0700)]
perf jevent: Add an 'all' architecture argument
When 'all' is passed as the architecture generate a mapping table for
all architectures. This simplifies testing. To identify the table for an
architecture add an arch variable to the pmu_events_map.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Linus Torvalds [Sat, 13 Aug 2022 01:39:43 +0000 (18:39 -0700)]
Merge tag 'riscv-for-linus-5.20-mw2' of git://git./linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
"There's still a handful of new features in here, but there are a lot
of fixes/cleanups as well:
- Support for the Zicbom extension for explicit cache-block
management, along with the necessary bits to make the non-standard
cache management ops on the Allwinner D1 function
- Support for the Zihintpause extension, which codifies a go-slow
instruction used for cpu_relax()
- Support for the Sstc extension for supervisor-mode timer/counter
management
- Many device tree fixes and cleanups, including a large set for the
Canaan device trees
- A handful of fixes and cleanups for the PMU driver"
* tag 'riscv-for-linus-5.20-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (43 commits)
dt-bindings: gpio: sifive: add gpio-line-names
wireguard: selftests: set CONFIG_NONPORTABLE on riscv32
RISC-V: KVM: Support sstc extension
RISC-V: Improve SBI definitions
RISC-V: Move counter info definition to sbi header file
RISC-V: Fix SBI PMU calls for RV32
RISC-V: Update user page mapping only once during start
RISC-V: Fix counter restart during overflow for RV32
RISC-V: Prefer sstc extension if available
RISC-V: Enable sstc extension parsing from DT
RISC-V: Add SSTC extension CSR details
riscv:uprobe fix SR_SPIE set/clear handling
dt-bindings: riscv: fix SiFive l2-cache's cache-sets
riscv: ensure cpu_ops_sbi is declared
RISC-V: cpu_ops_spinwait.c should include head.h
RISC-V: Declare cpu_ops_spinwait in <asm/cpu_ops.h>
riscv: dts: starfive: correct number of external interrupts
riscv: dts: sifive unmatched: Add PWM controlled LEDs
riscv/purgatory: Omit use of bin2c
riscv/purgatory: hard-code obj-y in Makefile
...
Linus Torvalds [Sat, 13 Aug 2022 01:23:52 +0000 (18:23 -0700)]
Merge tag 'devicetree-fixes-for-6.0-1' of git://git./linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fix schema warnings in qcom,ipq6018-pinctrl and sdhci-msm
- Convert Qualcomm SPMI PMIC to DT schema
- Make secure interrupt optional for arm,mhu
- Fix google,cros-ec-typec binding allowed properties
- Update a bunch of bouncing email addresses
* tag 'devicetree-fixes-for-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: chrome: google,cros-ec-typec: restrict allowed properties
dt-bindings: Drop Dan Murphy and Ricardo Rivera-Matos
dt-bindings: Drop Robert Jones
dt-bindings: Drop Beniamin Bia and Stefan Popa
dt-bindings: iio: Drop Bogdan Pricop
dt-bindings: iio: Drop Joachim Eastwood
dt-bindings: mailbox: arm,mhu: Make secure interrupt optional
dt-bindings: pinctrl: qcom,ipq6018: Fix example 'gpio-ranges' size
dt-bindings: Drop DT_MK_SCHEMA_FLAGS conditional selecting schema files
dt-bindings: mfd: convert to yaml Qualcomm SPMI PMIC
dt-bindings: mmc: sdhci-msm: Fix 'operating-points-v2 was unexpected' issue
dt-bindings: display: simple-framebuffer: Drop Bartlomiej Zolnierkiewicz
Linus Torvalds [Sat, 13 Aug 2022 01:17:42 +0000 (18:17 -0700)]
Merge tag 'rtc-6.0' of git://git./linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"New drivers:
- Microchip PolarFire
- Nuvoton NCT3018Y
- TI K3 RTC
Subsystem:
- Replace flush_scheduled_work() with flush_work()
- Remove deprecated ida_simple_get()/ida_simple_remove() calls
Drivers:
- use simple i2c probe where possible
- sun6i: add R329 support
- zynqmp: add calibration support
- vr41xx: remove unused driver"
* tag 'rtc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (31 commits)
rtc: spear: set range max
rtc: rtc-cmos: Do not check ACPI_FADT_LOW_POWER_S0
rtc: zynqmp: initialize fract_tick
rtc: Add NCT3018Y real time clock driver
dt-bindings: rtc: nuvoton: add NCT3018Y Real Time Clock
dt-bindings: rtc: nxp,pcf85063: Convert to DT schema
dt-bindings: rtc: microcrystal,rv3032: Add missing type to 'trickle-voltage-millivolt'
rtc: rx8025: fix 12/24 hour mode detection on RX-8035
rtc: cros-ec: Only warn once in .remove() about notifier_chain problems
rtc: vr41xx: remove driver
rtc: mpfs: remove 'pending' variable from mpfs_rtc_wakeup_irq_handler()
rtc: rv8803: fix missing unlock on error in rv8803_set_time()
rtc: zynqmp: Add calibration set and get support
rtc: zynqmp: Updated calibration value
dt-bindings: rtc: zynqmp: Add clock information
rtc: sun6i: add support for R329 RTC
rtc: Directly use ida_alloc()/free()
rtc: Introduce ti-k3-rtc
dt-bindings: rtc: Add TI K3 RTC description
dt-bindings: rtc: qcom-pm8xxx-rtc: Update the maintainers section
...
Stefan Metzmacher [Thu, 11 Aug 2022 07:11:16 +0000 (09:11 +0200)]
io_uring: add missing BUILD_BUG_ON() checks for new io_uring_sqe fields
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Link: https://lore.kernel.org/r/ffcaf8dc4778db4af673822df60dbda6efdd3065.1660201408.git.metze@samba.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Stefan Metzmacher [Thu, 11 Aug 2022 07:11:15 +0000 (09:11 +0200)]
io_uring: make io_kiocb_to_cmd() typesafe
We need to make sure (at build time) that struct io_cmd_data is not
casted to a structure that's larger.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Link: https://lore.kernel.org/r/c024cdf25ae19fc0319d4180e2298bade8ed17b8.1660201408.git.metze@samba.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Keith Busch [Fri, 12 Aug 2022 22:56:33 +0000 (15:56 -0700)]
fs: don't randomize struct kiocb fields
This is a size sensitive structure and randomizing can introduce extra
padding that breaks io_uring's fixed size expectations. There are few
fields here as it is, half of which need a fixed order to optimally
pack, so the randomization isn't providing much.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/io-uring/b6f508ca-b1b2-5f40-7998-e4cff1cf7212@kernel.dk/
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Ronnie Sahlberg [Fri, 12 Aug 2022 00:51:18 +0000 (19:51 -0500)]
cifs: Do not access tcon->cfids->cfid directly from is_path_accessible
cfids will soon keep a list of cached fids so we should not access this
directly from outside of cached_dir.c
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Jon Mason [Fri, 12 Aug 2022 19:42:05 +0000 (15:42 -0400)]
MAINTAINERS: add PCI Endpoint NTB drivers to NTB files
The PCI Endpoint NTB drivers are under the NTB umbrella. Add an entry
there to allow for notification of changes for it.
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Yang Li [Thu, 4 Aug 2022 00:52:13 +0000 (08:52 +0800)]
perf stat: Remove duplicated include in builtin-stat.c
util/topdown.h is included twice in builtin-stat.c,
remove one of them.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=1818
Link: https://lore.kernel.org/r/20220804005213.71990-1-yang.lee@linux.alibaba.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
shaomin Deng [Sun, 7 Aug 2022 16:02:39 +0000 (12:02 -0400)]
perf scripting python: Delete repeated word in comments
Delete the repeated word "into" in comments.
Signed-off-by: shaomin Deng <dengshaomin@cdjrlc.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220807160239.474-1-dengshaomin@cdjrlc.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
shaomin Deng [Sun, 7 Aug 2022 15:55:49 +0000 (11:55 -0400)]
perf tools: Fix double word in comments
Delete the repeated word "to" in comments.
Signed-off-by: shaomin Deng <dengshaomin@cdjrlc.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220807155549.30953-1-dengshaomin@cdjrlc.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
shaomin Deng [Sun, 7 Aug 2022 08:46:29 +0000 (04:46 -0400)]
perf trace: Fix double word in comments
Delete repeated word "and" in comments.
Signed-off-by: shaomin Deng <dengshaomin@cdjrlc.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220807084629.23121-1-dengshaomin@cdjrlc.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
shaomin Deng [Sun, 7 Aug 2022 08:06:42 +0000 (04:06 -0400)]
perf script: Delete repeated word "from"
Delete the repeated word "from" in code.
Signed-off-by: shaomin Deng <dengshaomin@cdjrlc.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220807080642.13004-1-dengshaomin@cdjrlc.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
shaomin Deng [Sun, 7 Aug 2022 07:47:53 +0000 (03:47 -0400)]
perf test: Fix double word in comments
Delete the redundant word "then" in comments.
Signed-off-by: shaomin Deng <dengshaomin@cdjrlc.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220807074753.7857-1-dengshaomin@cdjrlc.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Krzysztof Kozlowski [Thu, 11 Aug 2022 06:22:45 +0000 (09:22 +0300)]
dt-bindings: chrome: google,cros-ec-typec: restrict allowed properties
Describe exactly what properties are allowed in Google Chrome OS EC Type
C port, so the schema can properly validate the DTS. Existing DTS
defines always connectors with unit addresses, not a sole "connector"
child.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220811062245.4316-1-krzysztof.kozlowski@linaro.org