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mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-01-12 01:20:14 +00:00

1396672 Commits

Author SHA1 Message Date
Rob Herring (Arm)
8b9ef71400 dt-bindings: dma: Convert apm,xgene-storm-dma to DT schema
Convert APM X-Gene Storm DMA binding to DT schema format. It's a
straight-forward conversion.

Link: https://patch.msgid.link/20251013213037.684981-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:51 -06:00
Rob Herring (Arm)
a18b0c9248 dt-bindings: thermal: Drop db8500-thermal.txt
The binding is already defined in mfd/stericsson,db8500-prcmu.yaml and none
of 'the tripN.*' properties appear to be in use.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251030195234.439141-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:51 -06:00
Rob Herring (Arm)
91d1e3f0f2 dt-bindings: thermal: Convert brcm,sr-thermal to DT schema
Convert the brcm,sr-thermal binding to DT schema format. It's a
straight-forward conversion. "polling-delay", "thermal-sensors", and
"temperature" all apply to the thermal zones, not the sensor node.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251013215810.783006-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:51 -06:00
Rob Herring (Arm)
3c09ca88c6 dt-bindings: thermal: Convert amazon,al-thermal to DT schema
Convert amazon,al-thermal binding to DT schema format. It's a
straight-forward conversion.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251013215820.783272-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:51 -06:00
Christophe JAILLET
b012c2ac37 of: overlay: Avoid spurious error messages in of_overlay_remove()
Make of_overlay_remove() tolerate ovcs_id being 0 without logging an error.

Suggested-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/f756e04e8bc239b33a0428c2dd055f202e214f0b.1761335298.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:51 -06:00
David Heidelberg
527bb3a747 docs: dt-bindings: Extend the ordering list with a blank newline before status
For better readability, it is recommended to insert a newline before the
'status' property. Adjust the examples accordingly.

Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251023-docs-dt-newline-v1-1-1bf5e0040c0b@ixit.cz
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Rob Herring (Arm)
0b2333183a dt-bindings: Remove extra blank lines
Generally at most 1 blank line is the standard style for DT schema
files. Remove the few cases with more than 1 so that the yamllint check
for this can be enabled.

Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> # remoteproc
Acked-by: Georgi Djakov <djakov@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org> # for allwinner,sun4i-a10-pwm.yaml
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> # mtd
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Manivannan Sadhasivam <mani@kernel.org> # For PCI controller bindings
Link: https://patch.msgid.link/20251023143957.2899600-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Krzysztof Kozlowski
bcc357c8e0 dt-bindings: Update Krzysztof Kozlowski's email
Update Krzysztof Kozlowski's email address to kernel.org account to stay
reachable.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251021095354.86455-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Rob Herring (Arm)
4827728f75 dt-bindings: nvmem: Convert brcm,ocotp to DT schema
Convert the brcm,ocotp binding to DT schema format. It's a
straight-forward conversion.

Link: https://patch.msgid.link/20251014152957.3782962-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Ariel D'Alessandro
fbf97d6c1d dt-bindings: media: Convert MediaTek mt8173-mdp bindings to DT schema
Convert the existing text-based DT bindings for MediaTek MT8173 Media Data
Path to a DT schema.

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251001183115.83111-1-ariel.dalessandro@collabora.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Rob Herring (Arm)
fc75109288 dt-bindings: arm: Add missing LGE SoC platforms
LGE LG131x SoCs have been in use for some time, but the root compatibles
have not been documented. Add them.

Acked-by: Chanho Min <chanho.min@lge.com>
Link: https://patch.msgid.link/20251022181144.4147944-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Rob Herring (Arm)
12466504ab dt-bindings: arm: Add missing AMD Seattle SoC platforms
AMD Seattle SoC has been in use for some time, but the root compatibles
have not been documented. Add them.

Link: https://patch.msgid.link/20251022181112.4147188-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Rob Herring (Arm)
6ca388cb90 dt-bindings: arm: Add missing APM X-Gene SoC platforms
APM X-Gene SoCs have been in use for some time, but the root compatibles
have not been documented. Add them.

Link: https://patch.msgid.link/20251022181127.4147542-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Rob Herring (Arm)
01585d7470 dt-bindings: Fix inconsistent quoting
yamllint has gained a new check which checks for inconsistent quoting
(mixed " and ' quotes within a file). Fix all the cases yamllint found
so we can enable the check (once the check is in a release). As single
quotes are (slightly) preferred, use them throughout the modified files
even if double quotes are mostly used.

Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://patch.msgid.link/20251015232015.846282-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Rob Herring (Arm)
0b651695a3 dt-bindings: power: Convert Actions Owl SPS to DT schema
Convert the Actions S500/S700/S900 Smart Power System binding to DT
schema format. It's a straight-forward conversion.

Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20251013215834.783501-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Louis-Alexis Eyraud
85cc68691c dt-bindings: gpu: mali-bifrost: Add compatible for MT8365 SoC
Add a compatible for the MediaTek MT8365 SoC, that has an integrated
ARM Mali G52 MC1 GPU and compatible with arm,mali-bifrost.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
Link: https://patch.msgid.link/20251021-mt8365-enable-gpu-v2-1-17e05cff2c86@collabora.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Niravkumar L Rabara
d2d3d76e74 MAINTAINERS: Change Altera socfpga-ecc-manager.yaml maintainer
Update Altera socfpga-ecc-manager dt bindings maintainer from
<matthew.gerlach@altera.com> to <niravkumarlaxmidas.rabara@altera.com>
as Matthew Gerlack is moving out of Altera.

Signed-off-by: Niravkumar L Rabara <niravkumarlaxmidas.rabara@altera.com>
Acked-by: Matthew Gerlach <matthew.gerlach@altera.com>
Link: https://patch.msgid.link/20251017083849.3213192-1-niravkumarlaxmidas.rabara@altera.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Wolfram Sang
3da115f9e0 dt-bindings: bus: don't check node names
Node names are already and properly checked by the core schema. No need
to do it again.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20251020060951.30776-7-wsa+renesas@sang-engineering.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:49 -06:00
Erick Setubal Bacurau
7b0f510376 dt-bindings: fix redundant quotes on fsl,imx6q-vdoa.yaml
Fix a dt-schema error: `fsl,imx6q-vdoa.yaml:19:12: [error] string value is
redundantly quoted with any quotes (quoted-strings)`

Signed-off-by: Erick Setubal Bacurau <erick.setubal@gmx.de>
Link: https://patch.msgid.link/20251020121145.190020-1-erick.setubal@gmx.de
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:49 -06:00
Marek Vasut
81d35c9f2e dt-bindings: interrupt-controller: fsl,irqsteer: Add i.MX95 support
Add compatible string "fsl,imx95-irqsteer" for the i.MX95 chip, which is
backward compatible with "fsl,imx-irqsteer".

Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251011170213.128907-38-marek.vasut@mailbox.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:49 -06:00
Rob Herring (Arm)
02fe7ca031 dt-bindings: arm: Convert Marvell AP80x System Controller to DT schema
Convert the Marvell AP80x System Controller binding to DT schema format.

There's not any specific compatible for the whole block which is a
separate problem, so just the child nodes are documented. Only the
pinctrl and clock child nodes need to be converted as the GPIO node
already has a schema.

Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://patch.msgid.link/20251014153040.3783896-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:49 -06:00
Rob Herring (Arm)
45a8d350e7 dt-bindings: arm: Convert Marvell CP110 System Controller to DT schema
Convert the Marvell CP110 System Controller binding to DT schema
format.

There's not any specific compatible for the whole block which is a
separate problem, so just the child nodes are documented. Only the
pinctrl and clock child nodes need to be converted as the GPIO node
already has a schema.

Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://patch.msgid.link/20251022165509.3917655-2-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:49 -06:00
Rob Herring (Arm)
e544bc7548 dt-bindings: bus: Convert cznic,moxtet to DT schema
Convert the cznic,moxtet binding to DT schema format. It's a
straight-forward conversion.

Reviewed-by: Marek Behún <kabel@kernel.org>
Link: https://patch.msgid.link/20251014153009.3783183-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:49 -06:00
Rob Herring (Arm)
ce1e204a51 dt-bindings: mailbox: Convert apm,xgene-slimpro-mbox to DT schema
Convert APM X-Gene slimpro-mbox binding to DT schema format. It's a
straight-forward conversion.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-10-14 17:12:15 -05:00
Linus Torvalds
3a86608788 Linux 6.18-rc1 v6.18-rc1 2025-10-12 13:42:36 -07:00
Linus Torvalds
3dd7b81235 i2c-for-6.18-rc1-hotfix
One revert because of a regression in the I2C core which has sadly not
 showed up during its time in -next.
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Merge tag 'i2c-for-6.18-rc1-hotfix' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fix from Wolfram Sang:
 "One revert because of a regression in the I2C core which has sadly not
  showed up during its time in -next"

* tag 'i2c-for-6.18-rc1-hotfix' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  Revert "i2c: boardinfo: Annotate code used in init phase only"
2025-10-12 13:27:56 -07:00
Linus Torvalds
8765f46791 - Skip interrupt ID 0 in sifive-plic during suspend/resume because ID 0 is
reserved and accessing reserved register space could result in undefined
   behavior
 
 - Fix a function's retval check in aspeed-scu-ic
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Merge tag 'irq_urgent_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Borislav Petkov:

 - Skip interrupt ID 0 in sifive-plic during suspend/resume because
   ID 0 is reserved and accessing reserved register space could result
   in undefined behavior

 - Fix a function's retval check in aspeed-scu-ic

* tag 'irq_urgent_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/sifive-plic: Avoid interrupt ID 0 handling during suspend/resume
  irqchip/aspeed-scu-ic: Fix an IS_ERR() vs NULL check
2025-10-12 08:45:52 -07:00
Linus Torvalds
67029a49db tracing fixes for v6.18:
The previous fix to trace_marker required updating trace_marker_raw
 as well. The difference between trace_marker_raw from trace_marker
 is that the raw version is for applications to write binary structures
 directly into the ring buffer instead of writing ASCII strings.
 This is for applications that will read the raw data from the ring
 buffer and get the data structures directly. It's a bit quicker than
 using the ASCII version.
 
 Unfortunately, it appears that our test suite has several tests that
 test writes to the trace_marker file, but lacks any tests to the
 trace_marker_raw file (this needs to be remedied). Two issues came
 about the update to the trace_marker_raw file that syzbot found:
 
 - Fix tracing_mark_raw_write() to use per CPU buffer
 
   The fix to use the per CPU buffer to copy from user space was needed for
   both the trace_maker and trace_maker_raw file.
 
   The fix for reading from user space into per CPU buffers properly fixed
   the trace_marker write function, but the trace_marker_raw file wasn't
   fixed properly. The user space data was correctly written into the per CPU
   buffer, but the code that wrote into the ring buffer still used the user
   space pointer and not the per CPU buffer that had the user space data
   already written.
 
 - Stop the fortify string warning from writing into trace_marker_raw
 
   After converting the copy_from_user_nofault() into a memcpy(), another
   issue appeared. As writes to the trace_marker_raw expects binary data, the
   first entry is a 4 byte identifier. The entry structure is defined as:
 
   struct {
 	struct trace_entry ent;
 	int id;
 	char buf[];
   };
 
   The size of this structure is reserved on the ring buffer with:
 
     size = sizeof(*entry) + cnt;
 
   Then it is copied from the buffer into the ring buffer with:
 
     memcpy(&entry->id, buf, cnt);
 
   This use to be a copy_from_user_nofault(), but now converting it to
   a memcpy() triggers the fortify-string code, and causes a warning.
 
   The allocated space is actually more than what is copied, as the cnt
   used also includes the entry->id portion. Allocating sizeof(*entry)
   plus cnt is actually allocating 4 bytes more than what is needed.
 
   Change the size function to:
 
     size = struct_size(entry, buf, cnt - sizeof(entry->id));
 
   And update the memcpy() to unsafe_memcpy().
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Merge tag 'trace-v6.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing fixes from Steven Rostedt:
 "The previous fix to trace_marker required updating trace_marker_raw as
  well. The difference between trace_marker_raw from trace_marker is
  that the raw version is for applications to write binary structures
  directly into the ring buffer instead of writing ASCII strings. This
  is for applications that will read the raw data from the ring buffer
  and get the data structures directly. It's a bit quicker than using
  the ASCII version.

  Unfortunately, it appears that our test suite has several tests that
  test writes to the trace_marker file, but lacks any tests to the
  trace_marker_raw file (this needs to be remedied). Two issues came
  about the update to the trace_marker_raw file that syzbot found:

   - Fix tracing_mark_raw_write() to use per CPU buffer

     The fix to use the per CPU buffer to copy from user space was
     needed for both the trace_maker and trace_maker_raw file.

     The fix for reading from user space into per CPU buffers properly
     fixed the trace_marker write function, but the trace_marker_raw
     file wasn't fixed properly. The user space data was correctly
     written into the per CPU buffer, but the code that wrote into the
     ring buffer still used the user space pointer and not the per CPU
     buffer that had the user space data already written.

   - Stop the fortify string warning from writing into trace_marker_raw

     After converting the copy_from_user_nofault() into a memcpy(),
     another issue appeared. As writes to the trace_marker_raw expects
     binary data, the first entry is a 4 byte identifier. The entry
     structure is defined as:

     struct {
   	struct trace_entry ent;
   	int id;
   	char buf[];
     };

     The size of this structure is reserved on the ring buffer with:

       size = sizeof(*entry) + cnt;

     Then it is copied from the buffer into the ring buffer with:

       memcpy(&entry->id, buf, cnt);

     This use to be a copy_from_user_nofault(), but now converting it to
     a memcpy() triggers the fortify-string code, and causes a warning.

     The allocated space is actually more than what is copied, as the
     cnt used also includes the entry->id portion. Allocating
     sizeof(*entry) plus cnt is actually allocating 4 bytes more than
     what is needed.

     Change the size function to:

       size = struct_size(entry, buf, cnt - sizeof(entry->id));

     And update the memcpy() to unsafe_memcpy()"

* tag 'trace-v6.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing: Stop fortify-string from warning in tracing_mark_raw_write()
  tracing: Fix tracing_mark_raw_write() to use buf and not ubuf
2025-10-11 16:06:04 -07:00
Linus Torvalds
c04022dccb Kbuild fixes for 6.18 #1
- Fix UAPI types check in headers_check.pl
 
 - Only enable -Werror for hostprogs with CONFIG_WERROR / W=e
 
 - Ignore fsync() error when output of gen_init_cpio is a pipe
 
 - Several little build fixes for recent modules.builtin.modinfo series
 
 Signed-off-by: Nathan Chancellor <nathan@kernel.org>
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Merge tag 'kbuild-fixes-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux

Pull Kbuild fixes from Nathan Chancellor:

 - Fix UAPI types check in headers_check.pl

 - Only enable -Werror for hostprogs with CONFIG_WERROR / W=e

 - Ignore fsync() error when output of gen_init_cpio is a pipe

 - Several little build fixes for recent modules.builtin.modinfo series

* tag 'kbuild-fixes-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux:
  kbuild: Use '--strip-unneeded-symbol' for removing module device table symbols
  s390/vmlinux.lds.S: Move .vmlinux.info to end of allocatable sections
  kbuild: Add '.rel.*' strip pattern for vmlinux
  kbuild: Restore pattern to avoid stripping .rela.dyn from vmlinux
  gen_init_cpio: Ignore fsync() returning EINVAL on pipes
  scripts/Makefile.extrawarn: Respect CONFIG_WERROR / W=e for hostprogs
  kbuild: uapi: Strip comments before size type check
2025-10-11 15:47:12 -07:00
Wolfram Sang
a8482d2c90 Revert "i2c: boardinfo: Annotate code used in init phase only"
This reverts commit 1a2b423be6a89dd07d5fc27ea042be68697a6a49 because we
got a regression report and need time to find out the details.

Reported-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Closes: https://lore.kernel.org/r/29ec0082-4dd4-4120-acd2-44b35b4b9487@oss.qualcomm.com
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
2025-10-11 23:57:33 +02:00
Linus Torvalds
98906f9d85 RTC for 6.18
Subsystem:
  - Fix race when setting alarm
  - Ensure alarm irq is enabled when UIE is enabled
  - remove unneeded 'fast_io' parameter in regmap_config
 
 New driver:
  - SpacemiT P1 RTC
 
 Drivers:
  - efi: Remove wakeup functionality
  - optee: add alarms support
  - s3c: Drop support for S3C2410
  - zynqmp: Restore alarm functionality after kexec transition
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Merge tag 'rtc-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "This cycle, we have a new RTC driver, for the SpacemiT P1. The optee
  driver gets alarm support. We also get a fix for a race condition that
  was fairly rare unless while stress testing the alarms.

  Subsystem:
   - Fix race when setting alarm
   - Ensure alarm irq is enabled when UIE is enabled
   - remove unneeded 'fast_io' parameter in regmap_config

  New driver:
   - SpacemiT P1 RTC

  Drivers:
   - efi: Remove wakeup functionality
   - optee: add alarms support
   - s3c: Drop support for S3C2410
   - zynqmp: Restore alarm functionality after kexec transition"

* tag 'rtc-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (29 commits)
  rtc: interface: Ensure alarm irq is enabled when UIE is enabled
  rtc: tps6586x: Fix initial enable_irq/disable_irq balance
  rtc: cpcap: Fix initial enable_irq/disable_irq balance
  rtc: isl12022: Fix initial enable_irq/disable_irq balance
  rtc: interface: Fix long-standing race when setting alarm
  rtc: pcf2127: fix watchdog interrupt mask on pcf2131
  rtc: zynqmp: Restore alarm functionality after kexec transition
  rtc: amlogic-a4: Optimize global variables
  rtc: sd2405al: Add I2C address.
  rtc: Kconfig: move symbols to proper section
  rtc: optee: make optee_rtc_pm_ops static
  rtc: optee: Fix error code in optee_rtc_read_alarm()
  rtc: optee: fix error code in probe()
  dt-bindings: rtc: Convert apm,xgene-rtc to DT schema
  rtc: spacemit: support the SpacemiT P1 RTC
  rtc: optee: add alarm related rtc ops to optee rtc driver
  rtc: optee: remove unnecessary memory operations
  rtc: optee: fix memory leak on driver removal
  rtc: x1205: Fix Xicor X1205 vendor prefix
  dt-bindings: rtc: Fix Xicor X1205 vendor prefix
  ...
2025-10-11 11:56:47 -07:00
Linus Torvalds
2a6edd867b SCSI misc on 20251011
Fixes only in drivers (ufs, mvsas, qla2xxx, target) that came in just
 before or during the merge window.  The most important one is the
 qla2xxx which reverts a conversion to fix flexible array member
 warnings, that went up in this merge window but which turned out on
 further testing to be causing data corruption.
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Fixes only in drivers (ufs, mvsas, qla2xxx, target) that came in just
  before or during the merge window.

  The most important one is the qla2xxx which reverts a conversion to
  fix flexible array member warnings, that went up in this merge window
  but which turned out on further testing to be causing data corruption"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: core: Include UTP error in INT_FATAL_ERRORS
  scsi: ufs: sysfs: Make HID attributes visible
  scsi: mvsas: Fix use-after-free bugs in mvs_work_queue
  scsi: ufs: core: Fix PM QoS mutex initialization
  scsi: ufs: core: Fix runtime suspend error deadlock
  Revert "scsi: qla2xxx: Fix memcpy() field-spanning write issue"
  scsi: target: target_core_configfs: Add length check to avoid buffer overflow
2025-10-11 11:49:00 -07:00
Linus Torvalds
9591fdb061 - Remove a bunch of asm implementing condition flags testing in KVM's
emulator in favor of int3_emulate_jcc() which is written in C
 
 - Replace KVM fastops with C-based stubs which avoids problems with the
   fastop infra related to latter not adhering to the C ABI due to their
   special calling convention and, more importantly, bypassing compiler
   control-flow integrity checking because they're written in asm
 
 - Remove wrongly used static branches and other ugliness accumulated
   over time in hyperv's hypercall implementation with a proper static
   function call to the correct hypervisor call variant
 
 - Add some fixes and modifications to allow running FRED-enabled kernels
   in KVM even on non-FRED hardware
 
 - Add kCFI improvements like validating indirect calls and prepare for
   enabling kCFI with GCC. Add cmdline params documentation and other
   code cleanups
 
 - Use the single-byte 0xd6 insn as the official #UD single-byte
   undefined opcode instruction as agreed upon by both x86 vendors
 
 - Other smaller cleanups and touchups all over the place
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Merge tag 'x86_core_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull more x86 updates from Borislav Petkov:

 - Remove a bunch of asm implementing condition flags testing in KVM's
   emulator in favor of int3_emulate_jcc() which is written in C

 - Replace KVM fastops with C-based stubs which avoids problems with the
   fastop infra related to latter not adhering to the C ABI due to their
   special calling convention and, more importantly, bypassing compiler
   control-flow integrity checking because they're written in asm

 - Remove wrongly used static branches and other ugliness accumulated
   over time in hyperv's hypercall implementation with a proper static
   function call to the correct hypervisor call variant

 - Add some fixes and modifications to allow running FRED-enabled
   kernels in KVM even on non-FRED hardware

 - Add kCFI improvements like validating indirect calls and prepare for
   enabling kCFI with GCC. Add cmdline params documentation and other
   code cleanups

 - Use the single-byte 0xd6 insn as the official #UD single-byte
   undefined opcode instruction as agreed upon by both x86 vendors

 - Other smaller cleanups and touchups all over the place

* tag 'x86_core_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  x86,retpoline: Optimize patch_retpoline()
  x86,ibt: Use UDB instead of 0xEA
  x86/cfi: Remove __noinitretpoline and __noretpoline
  x86/cfi: Add "debug" option to "cfi=" bootparam
  x86/cfi: Standardize on common "CFI:" prefix for CFI reports
  x86/cfi: Document the "cfi=" bootparam options
  x86/traps: Clarify KCFI instruction layout
  compiler_types.h: Move __nocfi out of compiler-specific header
  objtool: Validate kCFI calls
  x86/fred: KVM: VMX: Always use FRED for IRQs when CONFIG_X86_FRED=y
  x86/fred: Play nice with invoking asm_fred_entry_from_kvm() on non-FRED hardware
  x86/fred: Install system vector handlers even if FRED isn't fully enabled
  x86/hyperv: Use direct call to hypercall-page
  x86/hyperv: Clean up hv_do_hypercall()
  KVM: x86: Remove fastops
  KVM: x86: Convert em_salc() to C
  KVM: x86: Introduce EM_ASM_3WCL
  KVM: x86: Introduce EM_ASM_1SRC2
  KVM: x86: Introduce EM_ASM_2CL
  KVM: x86: Introduce EM_ASM_2W
  ...
2025-10-11 11:19:16 -07:00
Linus Torvalds
2f0a750453 - Simplify inline asm flag output operands now that the minimum compiler
version supports the =@ccCOND syntax
 
 - Remove a bunch of AS_* Kconfig symbols which detect assembler support for
   various instruction mnemonics now that the minimum assembler version
   supports them all
 
 - The usual cleanups all over the place
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Merge tag 'x86_cleanups_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 cleanups from Borislav Petkov:

 - Simplify inline asm flag output operands now that the minimum
   compiler version supports the =@ccCOND syntax

 - Remove a bunch of AS_* Kconfig symbols which detect assembler support
   for various instruction mnemonics now that the minimum assembler
   version supports them all

 - The usual cleanups all over the place

* tag 'x86_cleanups_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/asm: Remove code depending on __GCC_ASM_FLAG_OUTPUTS__
  x86/sgx: Use ENCLS mnemonic in <kernel/cpu/sgx/encls.h>
  x86/mtrr: Remove license boilerplate text with bad FSF address
  x86/asm: Use RDPKRU and WRPKRU mnemonics in <asm/special_insns.h>
  x86/idle: Use MONITORX and MWAITX mnemonics in <asm/mwait.h>
  x86/entry/fred: Push __KERNEL_CS directly
  x86/kconfig: Remove CONFIG_AS_AVX512
  crypto: x86 - Remove CONFIG_AS_VPCLMULQDQ
  crypto: X86 - Remove CONFIG_AS_VAES
  crypto: x86 - Remove CONFIG_AS_GFNI
  x86/kconfig: Drop unused and needless config X86_64_SMP
2025-10-11 10:51:14 -07:00
Linus Torvalds
6bb71f0fe5 slab hotfix for 6.18-rc1
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Merge tag 'slab-for-6.18-rc1-hotfix' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab fix from Vlastimil Babka:
 "A NULL pointer deref hotfix"

* tag 'slab-for-6.18-rc1-hotfix' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  slab: fix barn NULL pointer dereference on memoryless nodes
2025-10-11 10:40:24 -07:00
Linus Torvalds
fbde105f13 bpf-fixes
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Pull bpf fixes from Alexei Starovoitov:

 - Finish constification of 1st parameter of bpf_d_path() (Rong Tao)

 - Harden userspace-supplied xdp_desc validation (Alexander Lobakin)

 - Fix metadata_dst leak in __bpf_redirect_neigh_v{4,6}() (Daniel
   Borkmann)

 - Fix undefined behavior in {get,put}_unaligned_be32() (Eric Biggers)

 - Use correct context to unpin bpf hash map with special types (KaFai
   Wan)

* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  selftests/bpf: Add test for unpinning htab with internal timer struct
  bpf: Avoid RCU context warning when unpinning htab with internal structs
  xsk: Harden userspace-supplied xdp_desc validation
  bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6}
  libbpf: Fix undefined behavior in {get,put}_unaligned_be32()
  bpf: Finish constification of 1st parameter of bpf_d_path()
2025-10-11 10:31:38 -07:00
Linus Torvalds
ae13bd2310 Just one series here - Mike Rappoport has taught KEXEC handover to
preserve vmalloc allocations across handover.
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Merge tag 'mm-nonmm-stable-2025-10-10-15-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more updates from Andrew Morton:
 "Just one series here - Mike Rappoport has taught KEXEC handover to
  preserve vmalloc allocations across handover"

* tag 'mm-nonmm-stable-2025-10-10-15-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  lib/test_kho: use kho_preserve_vmalloc instead of storing addresses in fdt
  kho: add support for preserving vmalloc allocations
  kho: replace kho_preserve_phys() with kho_preserve_pages()
  kho: check if kho is finalized in __kho_preserve_order()
  MAINTAINERS, .mailmap: update Umang's email address
2025-10-11 10:27:52 -07:00
Linus Torvalds
971370a88c 7 hotfixes. All 7 are cc:stable and all 7 are for MM.
All singletons, please see the changelogs for details.
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Merge tag 'mm-hotfixes-stable-2025-10-10-15-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "7 hotfixes.  All 7 are cc:stable and all 7 are for MM.

  All singletons, please see the changelogs for details"

* tag 'mm-hotfixes-stable-2025-10-10-15-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm: hugetlb: avoid soft lockup when mprotect to large memory area
  fsnotify: pass correct offset to fsnotify_mmap_perm()
  mm/ksm: fix flag-dropping behavior in ksm_madvise
  mm/damon/vaddr: do not repeat pte_offset_map_lock() until success
  mm/rmap: fix soft-dirty and uffd-wp bit loss when remapping zero-filled mTHP subpage to shared zeropage
  mm/thp: fix MTE tag mismatch when replacing zero-filled subpages
  memcg: skip cgroup_file_notify if spinning is not allowed
2025-10-11 10:14:55 -07:00
Steven Rostedt
54b91e54b1 tracing: Stop fortify-string from warning in tracing_mark_raw_write()
The way tracing_mark_raw_write() records its data is that it has the
following structure:

  struct {
	struct trace_entry;
	int id;
	char buf[];
  };

But memcpy(&entry->id, buf, size) triggers the following warning when the
size is greater than the id:

 ------------[ cut here ]------------
 memcpy: detected field-spanning write (size 6) of single field "&entry->id" at kernel/trace/trace.c:7458 (size 4)
 WARNING: CPU: 7 PID: 995 at kernel/trace/trace.c:7458 write_raw_marker_to_buffer.isra.0+0x1f9/0x2e0
 Modules linked in:
 CPU: 7 UID: 0 PID: 995 Comm: bash Not tainted 6.17.0-test-00007-g60b82183e78a-dirty #211 PREEMPT(voluntary)
 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.17.0-debian-1.17.0-1 04/01/2014
 RIP: 0010:write_raw_marker_to_buffer.isra.0+0x1f9/0x2e0
 Code: 04 00 75 a7 b9 04 00 00 00 48 89 de 48 89 04 24 48 c7 c2 e0 b1 d1 b2 48 c7 c7 40 b2 d1 b2 c6 05 2d 88 6a 04 01 e8 f7 e8 bd ff <0f> 0b 48 8b 04 24 e9 76 ff ff ff 49 8d 7c 24 04 49 8d 5c 24 08 48
 RSP: 0018:ffff888104c3fc78 EFLAGS: 00010292
 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000
 RDX: 0000000000000000 RSI: 1ffffffff6b363b4 RDI: 0000000000000001
 RBP: ffff888100058a00 R08: ffffffffb041d459 R09: ffffed1020987f40
 R10: 0000000000000007 R11: 0000000000000001 R12: ffff888100bb9010
 R13: 0000000000000000 R14: 00000000000003e3 R15: ffff888134800000
 FS:  00007fa61d286740(0000) GS:ffff888286cad000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 0000560d28d509f1 CR3: 00000001047a4006 CR4: 0000000000172ef0
 Call Trace:
  <TASK>
  tracing_mark_raw_write+0x1fe/0x290
  ? __pfx_tracing_mark_raw_write+0x10/0x10
  ? security_file_permission+0x50/0xf0
  ? rw_verify_area+0x6f/0x4b0
  vfs_write+0x1d8/0xdd0
  ? __pfx_vfs_write+0x10/0x10
  ? __pfx_css_rstat_updated+0x10/0x10
  ? count_memcg_events+0xd9/0x410
  ? fdget_pos+0x53/0x5e0
  ksys_write+0x182/0x200
  ? __pfx_ksys_write+0x10/0x10
  ? do_user_addr_fault+0x4af/0xa30
  do_syscall_64+0x63/0x350
  entry_SYSCALL_64_after_hwframe+0x76/0x7e
 RIP: 0033:0x7fa61d318687
 Code: 48 89 fa 4c 89 df e8 58 b3 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
 RSP: 002b:00007ffd87fe0120 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
 RAX: ffffffffffffffda RBX: 00007fa61d286740 RCX: 00007fa61d318687
 RDX: 0000000000000006 RSI: 0000560d28d509f0 RDI: 0000000000000001
 RBP: 0000560d28d509f0 R08: 0000000000000000 R09: 0000000000000000
 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000006
 R13: 00007fa61d4715c0 R14: 00007fa61d46ee80 R15: 0000000000000000
  </TASK>
 ---[ end trace 0000000000000000 ]---

This is because fortify string sees that the size of entry->id is only 4
bytes, but it is writing more than that. But this is OK as the
dynamic_array is allocated to handle that copy.

The size allocated on the ring buffer was actually a bit too big:

  size = sizeof(*entry) + cnt;

But cnt includes the 'id' and the buffer data, so adding cnt to the size
of *entry actually allocates too much on the ring buffer.

Change the allocation to:

  size = struct_size(entry, buf, cnt - sizeof(entry->id));

and the memcpy() to unsafe_memcpy() with an added justification.

Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/20251011112032.77be18e4@gandalf.local.home
Fixes: 64cf7d058a00 ("tracing: Have trace_marker use per-cpu data to read user space")
Reported-by: syzbot+9a2ede1643175f350105@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/68e973f5.050a0220.1186a4.0010.GAE@google.com/
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-10-11 11:27:27 -04:00
Vlastimil Babka
fd6db58867 slab: fix barn NULL pointer dereference on memoryless nodes
Phil reported a boot failure once sheaves become used in commits
59faa4da7cd4 ("maple_tree: use percpu sheaves for maple_node_cache") and
3accabda4da1 ("mm, vma: use percpu sheaves for vm_area_struct cache"):

 BUG: kernel NULL pointer dereference, address: 0000000000000040
 #PF: supervisor read access in kernel mode
 #PF: error_code(0x0000) - not-present page
 PGD 0 P4D 0
 Oops: Oops: 0000 [#1] SMP NOPTI
 CPU: 21 UID: 0 PID: 818 Comm: kworker/u398:0 Not tainted 6.17.0-rc3.slab+ #5 PREEMPT(voluntary)
 Hardware name: Dell Inc. PowerEdge R7425/02MJ3T, BIOS 1.26.0 07/30/2025
 RIP: 0010:__pcs_replace_empty_main+0x44/0x1d0
 Code: ec 08 48 8b 46 10 48 8b 76 08 48 85 c0 74 0b 8b 48 18 85 c9 0f 85 e5 00 00 00 65 48 63 05 e4 ee 50 02 49 8b 84 c6 e0 00 00 00 <4c> 8b 68 40 4c 89 ef e8 b0 81 ff ff 48 89 c5 48 85 c0 74 1d 48 89
 RSP: 0018:ffffd2d10950bdb0 EFLAGS: 00010246
 RAX: 0000000000000000 RBX: ffff8a775dab74b0 RCX: 00000000ffffffff
 RDX: 0000000000000cc0 RSI: ffff8a6800804000 RDI: ffff8a680004e300
 RBP: ffffd2d10950be40 R08: 0000000000000060 R09: ffffffffb9367388
 R10: 00000000000149e8 R11: ffff8a6f87a38000 R12: 0000000000000cc0
 R13: 0000000000000cc0 R14: ffff8a680004e300 R15: 00000000000000c0
 FS:  0000000000000000(0000) GS:ffff8a77a3541000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 0000000000000040 CR3: 0000000e1aa24000 CR4: 00000000003506f0
 Call Trace:
  <TASK>
  ? srso_return_thunk+0x5/0x5f
  ? vm_area_alloc+0x1e/0x60
  kmem_cache_alloc_noprof+0x4ec/0x5b0
  vm_area_alloc+0x1e/0x60
  create_init_stack_vma+0x26/0x210
  alloc_bprm+0x139/0x200
  kernel_execve+0x4a/0x140
  call_usermodehelper_exec_async+0xd0/0x190
  ? __pfx_call_usermodehelper_exec_async+0x10/0x10
  ret_from_fork+0xf0/0x110
  ? __pfx_call_usermodehelper_exec_async+0x10/0x10
  ret_from_fork_asm+0x1a/0x30
  </TASK>
 Modules linked in:
 CR2: 0000000000000040
 ---[ end trace 0000000000000000 ]---
 RIP: 0010:__pcs_replace_empty_main+0x44/0x1d0
 Code: ec 08 48 8b 46 10 48 8b 76 08 48 85 c0 74 0b 8b 48 18 85 c9 0f 85 e5 00 00 00 65 48 63 05 e4 ee 50 02 49 8b 84 c6 e0 00 00 00 <4c> 8b 68 40 4c 89 ef e8 b0 81 ff ff 48 89 c5 48 85 c0 74 1d 48 89
 RSP: 0018:ffffd2d10950bdb0 EFLAGS: 00010246
 RAX: 0000000000000000 RBX: ffff8a775dab74b0 RCX: 00000000ffffffff
 RDX: 0000000000000cc0 RSI: ffff8a6800804000 RDI: ffff8a680004e300
 RBP: ffffd2d10950be40 R08: 0000000000000060 R09: ffffffffb9367388
 R10: 00000000000149e8 R11: ffff8a6f87a38000 R12: 0000000000000cc0
 R13: 0000000000000cc0 R14: ffff8a680004e300 R15: 00000000000000c0
 FS:  0000000000000000(0000) GS:ffff8a77a3541000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 0000000000000040 CR3: 0000000e1aa24000 CR4: 00000000003506f0
 Kernel panic - not syncing: Fatal exception
 Kernel Offset: 0x36a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
 ---[ end Kernel panic - not syncing: Fatal exception ]---

And noted "this is an AMD EPYC 7401 with 8 NUMA nodes configured such
that memory is only on 2 of them."

 # numactl --hardware
 available: 8 nodes (0-7)
 node 0 cpus: 0 8 16 24 32 40 48 56 64 72 80 88
 node 0 size: 0 MB
 node 0 free: 0 MB
 node 1 cpus: 2 10 18 26 34 42 50 58 66 74 82 90
 node 1 size: 31584 MB
 node 1 free: 30397 MB
 node 2 cpus: 4 12 20 28 36 44 52 60 68 76 84 92
 node 2 size: 0 MB
 node 2 free: 0 MB
 node 3 cpus: 6 14 22 30 38 46 54 62 70 78 86 94
 node 3 size: 0 MB
 node 3 free: 0 MB
 node 4 cpus: 1 9 17 25 33 41 49 57 65 73 81 89
 node 4 size: 0 MB
 node 4 free: 0 MB
 node 5 cpus: 3 11 19 27 35 43 51 59 67 75 83 91
 node 5 size: 32214 MB
 node 5 free: 31625 MB
 node 6 cpus: 5 13 21 29 37 45 53 61 69 77 85 93
 node 6 size: 0 MB
 node 6 free: 0 MB
 node 7 cpus: 7 15 23 31 39 47 55 63 71 79 87 95
 node 7 size: 0 MB
 node 7 free: 0 MB

Linus decoded the stacktrace to get_barn() and get_node() and determined
that kmem_cache->node[numa_mem_id()] is NULL.

The problem is due to a wrong assumption that memoryless nodes only
exist on systems with CONFIG_HAVE_MEMORYLESS_NODES, where numa_mem_id()
points to the nearest node that has memory. SLUB has been allocating its
kmem_cache_node structures only on nodes with memory and so it does with
struct node_barn.

For kmem_cache_node, get_partial_node() checks if get_node() result is
not NULL, which I assumed was for protection from a bogus node id passed
to kmalloc_node() but apparently it's also for systems where
numa_mem_id() (used when no specific node is given) might return a
memoryless node.

Fix the sheaves code the same way by checking the result of get_node()
and bailing out if it's NULL. Note that cpus on such memoryless nodes
will have degraded sheaves performance, which can be improved later,
preferably by making numa_mem_id() work properly on such systems.

Fixes: 2d517aa09bbc ("slab: add opt-in caching layer of percpu sheaves")
Reported-and-tested-by: Phil Auld <pauld@redhat.com>
Closes: https://lore.kernel.org/all/20251010151116.GA436967@pauld.westford.csb/
Analyzed-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/all/CAHk-%3Dwg1xK%2BBr%3DFJ5QipVhzCvq7uQVPt5Prze6HDhQQ%3DQD_BcQ@mail.gmail.com/
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
2025-10-11 10:47:57 +02:00
Steven Rostedt
bda745ee8f tracing: Fix tracing_mark_raw_write() to use buf and not ubuf
The fix to use a per CPU buffer to read user space tested only the writes
to trace_marker. But it appears that the selftests are missing tests to
the trace_maker_raw file. The trace_maker_raw file is used by applications
that writes data structures and not strings into the file, and the tools
read the raw ring buffer to process the structures it writes.

The fix that reads the per CPU buffers passes the new per CPU buffer to
the trace_marker file writes, but the update to the trace_marker_raw write
read the data from user space into the per CPU buffer, but then still used
then passed the user space address to the function that records the data.

Pass in the per CPU buffer and not the user space address.

TODO: Add a test to better test trace_marker_raw.

Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/20251011035243.386098147@kernel.org
Fixes: 64cf7d058a00 ("tracing: Have trace_marker use per-cpu data to read user space")
Reported-by: syzbot+9a2ede1643175f350105@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/68e973f5.050a0220.1186a4.0010.GAE@google.com/
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-10-10 23:58:44 -04:00
Nathan Chancellor
b0f2942a16 kbuild: Use '--strip-unneeded-symbol' for removing module device table symbols
After commit 5ab23c7923a1 ("modpost: Create modalias for builtin
modules"), relocatable RISC-V kernels with CONFIG_KASAN=y start failing
when attempting to strip the module device table symbols:

  riscv64-linux-objcopy: not stripping symbol `__mod_device_table__kmod_irq_starfive_jh8100_intc__of__starfive_intc_irqchip_match_table' because it is named in a relocation
  make[4]: *** [scripts/Makefile.vmlinux:97: vmlinux] Error 1

The relocation appears to come from .LASANLOC5 in .data.rel.local:

  $ llvm-objdump --disassemble-symbols=.LASANLOC5 --disassemble-all -r drivers/irqchip/irq-starfive-jh8100-intc.o

  drivers/irqchip/irq-starfive-jh8100-intc.o:   file format elf64-littleriscv

  Disassembly of section .data.rel.local:

  0000000000000180 <.LASANLOC5>:
  ...
       1d0: 0000          unimp
                  00000000000001d0:  R_RISCV_64   __mod_device_table__kmod_irq_starfive_jh8100_intc__of__starfive_intc_irqchip_match_table
  ...

This section appears to come from GCC for including additional
information about global variables that may be protected by KASAN.

There appears to be no way to opt out of the generation of these symbols
through either a flag or attribute. Attempting to remove '.LASANLOC*'
with '--strip-symbol' results in the same error as above because these
symbols may refer to (thus have relocation between) each other.

Avoid this build breakage by switching to '--strip-unneeded-symbol' for
removing __mod_device_table__ symbols, as it will only remove the symbol
when there is no relocation pointing to it. While this may result in a
little more bloat in the symbol table in certain configurations, it is
not as bad as outright build failures.

Fixes: 5ab23c7923a1 ("modpost: Create modalias for builtin modules")
Reported-by: Charles Mirabile <cmirabil@redhat.com>
Closes: https://lore.kernel.org/20251007011637.2512413-1-cmirabil@redhat.com/
Suggested-by: Alexey Gladkov <legion@kernel.org>
Tested-by: Nicolas Schier <nsc@kernel.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
2025-10-10 14:50:35 -07:00
Linus Torvalds
0739473694 - Avoid -Wflex-array-member-not-at-end warnings
- Replace simple_strtoul with kstrtoint
 
 - Fix error code for new_inode() failure
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Merge tag 'for-6.18/hpfs-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull hpfs updates from Mikulas Patocka:

 - Avoid -Wflex-array-member-not-at-end warnings

 - Replace simple_strtoul with kstrtoint

 - Fix error code for new_inode() failure

* tag 'for-6.18/hpfs-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  fs/hpfs: Fix error code for new_inode() failure in mkdir/create/mknod/symlink
  hpfs: Replace simple_strtoul with kstrtoint in hpfs_parse_param
  fs: hpfs: Avoid multiple -Wflex-array-member-not-at-end warnings
2025-10-10 14:06:02 -07:00
Linus Torvalds
284fc30e66 drm next fixes for 6.18-rc1
amdgpu:
 - DC DCE6 fixes
 - GPU reset fixes
 - Secure diplay messaging cleanup
 - MES fix
 - GPUVM locking fixes
 - PMFW messaging cleanup
 - PCI US/DS switch handling fix
 - VCN queue reset fix
 - DC FPU handling fix
 - DCN 3.5 fix
 - DC mirroring fix
 
 amdkfd:
 - Fix kfd process ref leak
 - mmap write lock handling fix
 - Fix comments in IOCTL
 
 xe:
 - Fix build with clang 16
 - Fix handling of invalid configfs syntax usage and spell out the
   expected syntax in the documentation
 - Do not try late bind firmware when running as VF since it
   shouldn't handle firmware loading
 - Fix idle assertion for local BOs
 - Fix uninitialized variable for late binding
 - Do not require perfmon_capable to expose free memory at page
   granularity. Handle it like other drm drivers do
 - Fix lock handling on suspend error path
 - Fix I2C controller resume after S3
 
 v3d:
 - fix fence locking
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Merge tag 'drm-next-2025-10-11-1' of https://gitlab.freedesktop.org/drm/kernel

Pull more drm fixes from Dave Airlie:
 "Just the follow up fixes for rc1 from the next branch, amdgpu and xe
  mostly with a single v3d fix in there.

  amdgpu:
   - DC DCE6 fixes
   - GPU reset fixes
   - Secure diplay messaging cleanup
   - MES fix
   - GPUVM locking fixes
   - PMFW messaging cleanup
   - PCI US/DS switch handling fix
   - VCN queue reset fix
   - DC FPU handling fix
   - DCN 3.5 fix
   - DC mirroring fix

  amdkfd:
   - Fix kfd process ref leak
   - mmap write lock handling fix
   - Fix comments in IOCTL

  xe:
   - Fix build with clang 16
   - Fix handling of invalid configfs syntax usage and spell out the
     expected syntax in the documentation
   - Do not try late bind firmware when running as VF since it shouldn't
     handle firmware loading
   - Fix idle assertion for local BOs
   - Fix uninitialized variable for late binding
   - Do not require perfmon_capable to expose free memory at page
     granularity. Handle it like other drm drivers do
   - Fix lock handling on suspend error path
   - Fix I2C controller resume after S3

  v3d:
   - fix fence locking"

* tag 'drm-next-2025-10-11-1' of https://gitlab.freedesktop.org/drm/kernel: (34 commits)
  drm/amd/display: Incorrect Mirror Cositing
  drm/amd/display: Enable Dynamic DTBCLK Switch
  drm/amdgpu: Report individual reset error
  drm/amdgpu: partially revert "revert to old status lock handling v3"
  drm/amd/display: Fix unsafe uses of kernel mode FPU
  drm/amd/pm: Disable VCN queue reset on SMU v13.0.6 due to regression
  drm/amdgpu: Fix general protection fault in amdgpu_vm_bo_reset_state_machine
  drm/amdgpu: Check swus/ds for switch state save
  drm/amdkfd: Fix two comments in kfd_ioctl.h
  drm/amd/pm: Avoid interface mismatch messaging
  drm/amdgpu: Merge amdgpu_vm_set_pasid into amdgpu_vm_init
  drm/amd/amdgpu: Fix the mes version that support inv_tlbs
  drm/amd: Check whether secure display TA loaded successfully
  drm/amdkfd: Fix mmap write lock not release
  drm/amdkfd: Fix kfd process ref leaking when userptr unmapping
  drm/amdgpu: Fix for GPU reset being blocked by KIQ I/O.
  drm/amd/display: Disable scaling on DCE6 for now
  drm/amd/display: Properly disable scaling on DCE6
  drm/amd/display: Properly clear SCL_*_FILTER_CONTROL on DCE6
  drm/amd/display: Add missing DCE6 SCL_HORZ_FILTER_INIT* SRIs
  ...
2025-10-10 14:02:14 -07:00
Linus Torvalds
1e5d41b981 drm fixes for 6.18-rc1
nouveau:
 - Return errno code from TTM move helper
 
 vmwgfx:
 - Fix null-ptr access in cursor code
 - Fix UAF in validation
 - Use correct iterator in validation
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Merge tag 'drm-fixes-2025-10-11' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Some fixes leftover from our fixes branch, just nouveau and vmwgfx:

  nouveau:
   - Return errno code from TTM move helper

  vmwgfx:
   - Fix null-ptr access in cursor code
   - Fix UAF in validation
   - Use correct iterator in validation"

* tag 'drm-fixes-2025-10-11' of https://gitlab.freedesktop.org/drm/kernel:
  drm/nouveau: fix bad ret code in nouveau_bo_move_prep
  drm/vmwgfx: Fix copy-paste typo in validation
  drm/vmwgfx: Fix Use-after-free in validation
  drm/vmwgfx: Fix a null-ptr access in the cursor snooper
2025-10-10 13:59:38 -07:00
Dave Airlie
5ca5f00a16 Short summary of fixes pull:
nouveau:
 - Return errno code from TTM move helper
 
 vmwgfx:
 - Fix null-ptr access in cursor code
 - Fix UAF in validation
 - Use correct iterator in validation
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Merge tag 'drm-misc-fixes-2025-10-09' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes

Short summary of fixes pull:

nouveau:
- Return errno code from TTM move helper

vmwgfx:
- Fix null-ptr access in cursor code
- Fix UAF in validation
- Use correct iterator in validation

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20251009120004.GA17570@linux.fritz.box
2025-10-11 06:17:13 +10:00
Linus Torvalds
f76b1683d1 Devicetree fixes for v6.18:
- Allow child nodes on renesas-bsc bus binding
 
 - Drop node name pattern on allwinner,sun50i-a64-de2 bus binding
 
 - Switch DT patchwork to kernel.org from ozlabs.org
 
 - Fix some typos in docs and bindings
 
 - Fix reference count in PCI node unittest
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Merge tag 'devicetree-fixes-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Allow child nodes on renesas-bsc bus binding

 - Drop node name pattern on allwinner,sun50i-a64-de2 bus binding

 - Switch DT patchwork to kernel.org from ozlabs.org

 - Fix some typos in docs and bindings

 - Fix reference count in PCI node unittest

* tag 'devicetree-fixes-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: bus: renesas-bsc: allow additional properties
  dt-bindings: bus: allwinner,sun50i-a64-de2: don't check node names
  MAINTAINERS: Move DT patchwork to kernel.org
  of: unittest: Fix device reference count leak in of_unittest_pci_node_verify
  of: doc: Fix typo in doc comments.
  dt-bindings: mmc: Correct typo "upto" to "up to"
2025-10-10 13:05:40 -07:00
Wolfram Sang
ce740955b2 dt-bindings: bus: renesas-bsc: allow additional properties
Allow additional properties to enable devices attached to the bus.
Fixes warnings like these:

arch/arm/boot/dts/renesas/sh73a0-kzm9g.dtb: bus@fec10000 (renesas,bsc-sh73a0): Unevaluated properties are not allowed ('ethernet@10000000' was unexpected)
arch/arm/boot/dts/renesas/r8a73a4-ape6evm.dtb: bus@fec10000 (renesas,bsc-r8a73a4): Unevaluated properties are not allowed ('ethernet@8000000', 'flash@0' were unexpected)

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-10-10 13:51:15 -05:00
Wolfram Sang
f7045387a6 dt-bindings: bus: allwinner,sun50i-a64-de2: don't check node names
Node names are already and properly checked by the core schema. No need
to do it again.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
[robh: Also drop [A-F] in unit address]
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-10-10 13:50:30 -05:00
Linus Torvalds
8bd9238e51 Some messenger improvements from Eric and Max, a patch to address the
issue (also affected userspace) of incorrect permissions being granted
 to users who have access to multiple different CephFS instances within
 the same cluster from Kotresh and a bunch of assorted CephFS fixes from
 Slava.
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Merge tag 'ceph-for-6.18-rc1' of https://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:

 - some messenger improvements (Eric and Max)

 - address an issue (also affected userspace) of incorrect permissions
   being granted to users who have access to multiple different CephFS
   instances within the same cluster (Kotresh)

 - a bunch of assorted CephFS fixes (Slava)

* tag 'ceph-for-6.18-rc1' of https://github.com/ceph/ceph-client:
  ceph: add bug tracking system info to MAINTAINERS
  ceph: fix multifs mds auth caps issue
  ceph: cleanup in ceph_alloc_readdir_reply_buffer()
  ceph: fix potential NULL dereference issue in ceph_fill_trace()
  libceph: add empty check to ceph_con_get_out_msg()
  libceph: pass the message pointer instead of loading con->out_msg
  libceph: make ceph_con_get_out_msg() return the message pointer
  ceph: fix potential race condition on operations with CEPH_I_ODIRECT flag
  ceph: refactor wake_up_bit() pattern of calling
  ceph: fix potential race condition in ceph_ioctl_lazyio()
  ceph: fix overflowed constant issue in ceph_do_objects_copy()
  ceph: fix wrong sizeof argument issue in register_session()
  ceph: add checking of wait_for_completion_killable() return value
  ceph: make ceph_start_io_*() killable
  libceph: Use HMAC-SHA256 library instead of crypto_shash
2025-10-10 11:30:19 -07:00