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Commit Graph

1279396 Commits

Author SHA1 Message Date
Krzysztof Kozlowski
a8197afc44 dt-bindings: clock: qcom,qcm2290-dispcc: reference qcom,gcc.yaml
Just like most of Qualcomm clock controllers, we can reference common
qcom,gcc.yaml schema to unify the common parts of the binding.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240605-dt-bindings-qcom-gcc-v2-9-f947b24f1283@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:03:13 -05:00
Krzysztof Kozlowski
fa02399d69 dt-bindings: clock: qcom,msm8998-gpucc: reference qcom,gcc.yaml
Just like most of Qualcomm clock controllers, we can reference common
qcom,gcc.yaml schema to unify the common parts of the binding.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240605-dt-bindings-qcom-gcc-v2-8-f947b24f1283@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:03:13 -05:00
Krzysztof Kozlowski
f68872fe10 dt-bindings: clock: qcom,gpucc: reference qcom,gcc.yaml
Just like most of Qualcomm clock controllers, we can reference common
qcom,gcc.yaml schema to unify the common parts of the binding.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240605-dt-bindings-qcom-gcc-v2-7-f947b24f1283@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:03:13 -05:00
Krzysztof Kozlowski
b20b9a7626 dt-bindings: clock: qcom,gpucc-sdm660: reference qcom,gcc.yaml
Just like most of Qualcomm clock controllers, we can reference common
qcom,gcc.yaml schema to unify the common parts of the binding.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240605-dt-bindings-qcom-gcc-v2-6-f947b24f1283@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:03:13 -05:00
Krzysztof Kozlowski
5576b6f8e9 dt-bindings: clock: qcom,dispcc-sm8x50: reference qcom,gcc.yaml
Just like most of Qualcomm clock controllers, we can reference common
qcom,gcc.yaml schema to unify the common parts of the binding.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240605-dt-bindings-qcom-gcc-v2-5-f947b24f1283@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:03:13 -05:00
Krzysztof Kozlowski
f168430195 dt-bindings: clock: qcom,dispcc-sm6350: reference qcom,gcc.yaml
Just like most of Qualcomm clock controllers, we can reference common
qcom,gcc.yaml schema to unify the common parts of the binding.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240605-dt-bindings-qcom-gcc-v2-4-f947b24f1283@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:03:13 -05:00
Krzysztof Kozlowski
cc9d138fff dt-bindings: clock: qcom,dispcc-sc8280xp: reference qcom,gcc.yaml
Just like most of Qualcomm clock controllers, we can reference common
qcom,gcc.yaml schema to unify the common parts of the binding.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240605-dt-bindings-qcom-gcc-v2-3-f947b24f1283@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:03:13 -05:00
Krzysztof Kozlowski
3b39fb00be dt-bindings: clock: qcom,videocc: reference qcom,gcc.yaml
Just like most of Qualcomm clock controllers, we can reference common
qcom,gcc.yaml schema to unify the common parts of the binding.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240605-dt-bindings-qcom-gcc-v2-2-f947b24f1283@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:03:12 -05:00
Krzysztof Kozlowski
acc4101466 dt-bindings: clock: qcom,sm8450-videocc: reference qcom,gcc.yaml
Just like most of Qualcomm clock controllers, we can reference common
qcom,gcc.yaml schema to unify the common parts of the binding.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240605-dt-bindings-qcom-gcc-v2-1-f947b24f1283@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:03:12 -05:00
Dmitry Baryshkov
e81e9a845b dt-bindings: clock: add schema for qcom,gcc-mdm9615
Add schema for the Global Clock Controller (GCC) present on the Qualcomm
MDM9615 platform.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240529-qcom-gdscs-v2-3-69c63d0ae1e7@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-31 18:07:30 -05:00
Dmitry Baryshkov
b0ef3434da dt-bindings: clock: qcom,gcc: sort out power-domains support
On some of Qualcomm platforms the Global Clock Controller (GCC) doesn't
provide power domains. Move requirement for the '#power-domain-cells'
out of the common qcom,gcc.yaml into individual schema files. For the
platforms that do not provide power-domains, explicitly forbid having
the '#power-domain-cells' property.

Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240529-qcom-gdscs-v2-2-69c63d0ae1e7@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-31 18:07:30 -05:00
Dmitry Baryshkov
d99c899d2c dt-bindings: clock: qcom,gcc-other: rename to qcom,mdm-mdm9607
The only platform remaining in qcom,gcc-other.yaml is MDM9607. Drop the
stale mentioning of gcc-msm8953.h include and rename the schema file
accordingly.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240529-qcom-gdscs-v2-1-69c63d0ae1e7@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-31 18:07:30 -05:00
Taniya Das
63aec3e4d9 clk: qcom: camcc-sc7280: Add parent dependency to all camera GDSCs
Camera titan top GDSC is a parent supply to all other camera GDSCs. Titan
top GDSC is required to be enabled before enabling any other camera GDSCs
and it should be disabled only after all other camera GDSCs are disabled.
Ensure this behavior by marking titan top GDSC as parent of all other
camera GDSCs.

Fixes: 1daec8cfeb ("clk: qcom: camcc: Add camera clock controller driver for SC7280")
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240531095142.9688-4-quic_tdas@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-31 17:52:47 -05:00
Taniya Das
f38467b5a9 clk: qcom: gcc-sc7280: Update force mem core bit for UFS ICE clock
Update the force mem core bit for UFS ICE clock to force the core on signal
to remain active during halt state of the clk. When retention bit of the
clock is set the memories of the subsystem will retain the logic across
power states.

Fixes: a3cc092196 ("clk: qcom: Add Global Clock controller (GCC) driver for SC7280")
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240531095142.9688-3-quic_tdas@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-31 17:52:47 -05:00
Taniya Das
7f10197853 clk: qcom: sc7280: Update the transition delay for GDSC
Add support to update the GDSC transition delay values to avoid
the GDSC FSM state stuck issues without which it could lead to GDSC
power on/off failures.

Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240531095142.9688-2-quic_tdas@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-31 17:52:47 -05:00
Alexandru Gagniuc
a8fe85d40f clk: qcom: gcc-ipq9574: Add PCIe pipe clocks
The IPQ9574 has four PCIe "pipe" clocks. These clocks are required by
PCIe PHYs. Port the pipe clocks from the downstream 5.4 kernel.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240501040800.1542805-3-mr.nuke.me@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-28 16:17:01 -05:00
Alexandru Gagniuc
475beea0b9 dt-bindings: clock: Add PCIe pipe related clocks for IPQ9574
Add defines for the missing PCIe PIPE clocks.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240501040800.1542805-2-mr.nuke.me@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-28 16:17:01 -05:00
Danila Tikhonov
aa9fc5c908 clk: qcom: Add Video Clock Controller driver for SM7150
Add support for the video clock controller found on SM7150.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Link: https://lore.kernel.org/r/20240505201038.276047-9-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 12:01:56 -05:00
Danila Tikhonov
a4be1860b9 dt-bindings: clock: qcom: Add SM7150 VIDEOCC clocks
Add device tree bindings for the video clock controller on Qualcomm
SM7150 platform.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240505201038.276047-8-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 12:01:56 -05:00
Danila Tikhonov
9f0532da42 clk: qcom: Add Camera Clock Controller driver for SM7150
Add support for the camera clock controller found on SM7150.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Link: https://lore.kernel.org/r/20240505201038.276047-7-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 12:01:56 -05:00
Danila Tikhonov
0fd2a04836 dt-bindings: clock: qcom: Add SM7150 CAMCC clocks
Add device tree bindings for the camera clock controller on Qualcomm
SM7150 platform.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240505201038.276047-6-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 12:01:56 -05:00
Danila Tikhonov
3829c41219 clk: qcom: Add Display Clock Controller driver for SM7150
Add support for the display clock controller found on SM7150.

Co-developed-by: David Wronek <david@mainlining.org>
Signed-off-by: David Wronek <david@mainlining.org>
Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Link: https://lore.kernel.org/r/20240505201038.276047-5-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 12:01:56 -05:00
Danila Tikhonov
ca3a91063a dt-bindings: clock: qcom: Add SM7150 DISPCC clocks
Add device tree bindings for the display clock controller on Qualcomm
SM7150 platform.

Co-developed-by: David Wronek <david@mainlining.org>
Signed-off-by: David Wronek <david@mainlining.org>
Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240505201038.276047-4-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 12:01:55 -05:00
Danila Tikhonov
734b6e7a3b clk: qcom: gcc-sm7150: constify clk_init_data structures
The clk_init_data structures are never modified, make them const.

No functional changes.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Link: https://lore.kernel.org/r/20240505201038.276047-3-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 12:01:55 -05:00
Danila Tikhonov
97cf92963a clk: qcom: Fix SM_GCC_7150 dependencies
Add dependencies on "ARM64 or COMPILE_TEST" for SM_GCC_7150.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Link: https://lore.kernel.org/r/20240505201038.276047-2-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 12:01:55 -05:00
Christophe JAILLET
fcd9354ceb clk: qcom: Constify struct pll_vco
pll_vco structure are never modified. They are used as .vco_table in
"struct clk_alpha_pll".

And in this structure, we have:
	const struct pll_vco *vco_table;

Constifying these structures moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig:
Before:
   text	   data	    bss	    dec	    hex	filename
   9905	  47576	      0	  57481	   e089	drivers/clk/qcom/mmcc-msm8994.o

After:
   text	   data	    bss	    dec	    hex	filename
  10033	  47440	      0	  57473	   e081	drivers/clk/qcom/mmcc-msm8994.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/c3c9a75ed77a5ef2e9b72081e88225d84bba91cd.1715359776.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 11:45:04 -05:00
Dmitry Baryshkov
d85dc696ca dt-bindings: clk: qcom,dispcc-sm8x50: describe additional DP clocks
On the affected Qualcomm platforms the display clock controller has
additional DP input clocks, describe them in DT schema.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240512-typec-fix-sm8250-v4-1-ad153c747a97@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-27 11:43:57 -05:00
Jeff Johnson
65424b99a1 clk: qcom: add missing MODULE_DESCRIPTION() macros
Fix the following from 'make W=1' with allmodconfig:

WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/qcom/clk-qcom.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/qcom/gcc-msm8976.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/qcom/lpass-gfm-sm8250.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/qcom/videocc-sdm845.o

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240516-qcom-clk-md-v1-1-baca27dd2fb2@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-26 22:13:01 -05:00
Linus Torvalds
1613e604df Linux 6.10-rc1 2024-05-26 15:20:12 -07:00
Kent Overstreet
9b0abe7948 mm: percpu: Include smp.h in alloc_tag.h
percpu.h depends on smp.h, but doesn't include it directly because of
circular header dependency issues; percpu.h is needed in a bunch of low
level headers.

This fixes a randconfig build error on mips:

  include/linux/alloc_tag.h: In function '__alloc_tag_ref_set':
  include/asm-generic/percpu.h:31:40: error: implicit declaration of function 'raw_smp_processor_id' [-Werror=implicit-function-declaration]

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 24e44cc22a ("mm: percpu: enable per-cpu allocation tagging")
Closes: https://lore.kernel.org/oe-kbuild-all/202405210052.DIrMXJNz-lkp@intel.com/
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-05-26 14:40:39 -07:00
Linus Torvalds
6fbf71854e Revert a patch causing a regression as described in the cset:
"This made a simple 'perf record -e cycles:pp make -j199' stop working on
     the Ampere ARM64 system Linus uses to test ARM64 kernels, as discussed
     at length in the threads in the Link tags below.
 
     The fix provided by Ian wasn't acceptable and work to fix this will take
     time we don't have at this point, so lets revert this and work on it on
     the next devel cycle."
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.10-1-2024-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tool fix from Arnaldo Carvalho de Melo:
 "Revert a patch causing a regression.

  This made a simple 'perf record -e cycles:pp make -j199' stop working
  on the Ampere ARM64 system Linus uses to test ARM64 kernels".

* tag 'perf-tools-fixes-for-v6.10-1-2024-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
  Revert "perf parse-events: Prefer sysfs/JSON hardware events over legacy"
2024-05-26 09:54:26 -07:00
Arnaldo Carvalho de Melo
4f1b067359 Revert "perf parse-events: Prefer sysfs/JSON hardware events over legacy"
This reverts commit 617824a7f0.

This made a simple 'perf record -e cycles:pp make -j199' stop working on
the Ampere ARM64 system Linus uses to test ARM64 kernels, as discussed
at length in the threads in the Link tags below.

The fix provided by Ian wasn't acceptable and work to fix this will take
time we don't have at this point, so lets revert this and work on it on
the next devel cycle.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Cc: Ethan Adams <j.ethan.adams@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Tycho Andersen <tycho@tycho.pizza>
Cc: Yang Jihong <yangjihong@bytedance.com>
Link: https://lore.kernel.org/lkml/CAHk-=wi5Ri=yR2jBVk-4HzTzpoAWOgstr1LEvg_-OXtJvXXJOA@mail.gmail.com
Link: https://lore.kernel.org/lkml/CAHk-=wiWvtFyedDNpoV7a8Fq_FpbB+F5KmWK2xPY3QoYseOf_A@mail.gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2024-05-26 08:41:34 -03:00
Linus Torvalds
c13320499b four smb client fixes, including two important netfs integration fixes
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Merge tag '6.10-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:

 - two important netfs integration fixes - including for a data
   corruption and also fixes for multiple xfstests

 - reenable swap support over SMB3

* tag '6.10-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Fix missing set of remote_i_size
  cifs: Fix smb3_insert_range() to move the zero_point
  cifs: update internal version number
  smb3: reenable swapfiles over SMB3 mounts
2024-05-25 22:33:10 -07:00
Linus Torvalds
9b62e02e63 16 hotfixes, 11 of which are cc:stable.
A few nilfs2 fixes, the remainder are for MM: a couple of selftests fixes,
 various singletons fixing various issues in various parts.
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Merge tag 'mm-hotfixes-stable-2024-05-25-09-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "16 hotfixes, 11 of which are cc:stable.

  A few nilfs2 fixes, the remainder are for MM: a couple of selftests
  fixes, various singletons fixing various issues in various parts"

* tag 'mm-hotfixes-stable-2024-05-25-09-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm/ksm: fix possible UAF of stable_node
  mm/memory-failure: fix handling of dissolved but not taken off from buddy pages
  mm: /proc/pid/smaps_rollup: avoid skipping vma after getting mmap_lock again
  nilfs2: fix potential hang in nilfs_detach_log_writer()
  nilfs2: fix unexpected freezing of nilfs_segctor_sync()
  nilfs2: fix use-after-free of timer for log writer thread
  selftests/mm: fix build warnings on ppc64
  arm64: patching: fix handling of execmem addresses
  selftests/mm: compaction_test: fix bogus test success and reduce probability of OOM-killer invocation
  selftests/mm: compaction_test: fix incorrect write of zero to nr_hugepages
  selftests/mm: compaction_test: fix bogus test success on Aarch64
  mailmap: update email address for Satya Priya
  mm/huge_memory: don't unpoison huge_zero_folio
  kasan, fortify: properly rename memintrinsics
  lib: add version into /proc/allocinfo output
  mm/vmalloc: fix vmalloc which may return null if called with __GFP_NOFAIL
2024-05-25 15:10:33 -07:00
Linus Torvalds
a0db36ed57 Misc fixes:
- Fix x86 IRQ vector leak caused by a CPU offlining race
 
  - Fix build failure in the riscv-imsic irqchip driver
    caused by an API-change semantic conflict
 
  - Fix use-after-free in irq_find_at_or_after()
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2024-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Ingo Molnar:

 - Fix x86 IRQ vector leak caused by a CPU offlining race

 - Fix build failure in the riscv-imsic irqchip driver
   caused by an API-change semantic conflict

 - Fix use-after-free in irq_find_at_or_after()

* tag 'irq-urgent-2024-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq/irqdesc: Prevent use-after-free in irq_find_at_or_after()
  genirq/cpuhotplug, x86/vector: Prevent vector leak during CPU offline
  irqchip/riscv-imsic: Fixup riscv_ipi_set_virq_range() conflict
2024-05-25 14:48:40 -07:00
Linus Torvalds
3a390f24b7 Miscellaneous fixes:
- Fix regressions of the new x86 CPU VFM (vendor/family/model)
    enumeration/matching code
 
  - Fix crash kernel detection on buggy firmware with
    non-compliant ACPI MADT tables
 
  - Address Kconfig warning
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2024-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:

 - Fix regressions of the new x86 CPU VFM (vendor/family/model)
   enumeration/matching code

 - Fix crash kernel detection on buggy firmware with
   non-compliant ACPI MADT tables

 - Address Kconfig warning

* tag 'x86-urgent-2024-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/cpu: Fix x86_match_cpu() to match just X86_VENDOR_INTEL
  crypto: x86/aes-xts - switch to new Intel CPU model defines
  x86/topology: Handle bogus ACPI tables correctly
  x86/kconfig: Select ARCH_WANT_FRAME_POINTERS again when UNWINDER_FRAME_POINTER=y
2024-05-25 14:40:09 -07:00
Linus Torvalds
56676c4c06 ipmi: Mostly updates for deprecated interfaces
These changes are mostly updates for deprecated interfaces,
 platform.remove and converting from a tasklet to a BH workqueue.  Also
 use HAS_IOPORT for disabling inb()/outb().
 
 -corey
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Merge tag 'for-linus-6.10-1' of https://github.com/cminyard/linux-ipmi

Pull ipmi updates from Corey Minyard:
 "Mostly updates for deprecated interfaces, platform.remove and
  converting from a tasklet to a BH workqueue.

  Also use HAS_IOPORT for disabling inb()/outb()"

* tag 'for-linus-6.10-1' of https://github.com/cminyard/linux-ipmi:
  ipmi: kcs_bmc_npcm7xx: Convert to platform remove callback returning void
  ipmi: kcs_bmc_aspeed: Convert to platform remove callback returning void
  ipmi: ipmi_ssif: Convert to platform remove callback returning void
  ipmi: ipmi_si_platform: Convert to platform remove callback returning void
  ipmi: ipmi_powernv: Convert to platform remove callback returning void
  ipmi: bt-bmc: Convert to platform remove callback returning void
  char: ipmi: handle HAS_IOPORT dependencies
  ipmi: Convert from tasklet to BH workqueue
2024-05-25 14:32:29 -07:00
Linus Torvalds
74eca356f6 We have a series from Xiubo that adds support for additional access
checks based on MDS auth caps which were recently made available to
 clients.  This is needed to prevent scenarios where the MDS quietly
 discards updates that a UID-restricted client previously (wrongfully)
 acked to the user.  Other than that, just a documentation fixup.
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Merge tag 'ceph-for-6.10-rc1' of https://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "A series from Xiubo that adds support for additional access checks
  based on MDS auth caps which were recently made available to clients.

  This is needed to prevent scenarios where the MDS quietly discards
  updates that a UID-restricted client previously (wrongfully) acked to
  the user.

  Other than that, just a documentation fixup"

* tag 'ceph-for-6.10-rc1' of https://github.com/ceph/ceph-client:
  doc: ceph: update userspace command to get CephFS metadata
  ceph: add CEPHFS_FEATURE_MDS_AUTH_CAPS_CHECK feature bit
  ceph: check the cephx mds auth access for async dirop
  ceph: check the cephx mds auth access for open
  ceph: check the cephx mds auth access for setattr
  ceph: add ceph_mds_check_access() helper
  ceph: save cap_auths in MDS client when session is opened
2024-05-25 14:23:58 -07:00
Linus Torvalds
89b61ca478 driver ntfs3 for linux 6.10
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Merge tag 'ntfs3_for_6.10' of https://github.com/Paragon-Software-Group/linux-ntfs3

Pull ntfs3 updates from Konstantin Komarov:
 "Fixes:
   - reusing of the file index (could cause the file to be trimmed)
   - infinite dir enumeration
   - taking DOS names into account during link counting
   - le32_to_cpu conversion, 32 bit overflow, NULL check
   - some code was refactored

  Changes:
   - removed max link count info display during driver init

  Remove:
   - atomic_open has been removed for lack of use"

* tag 'ntfs3_for_6.10' of https://github.com/Paragon-Software-Group/linux-ntfs3:
  fs/ntfs3: Break dir enumeration if directory contents error
  fs/ntfs3: Fix case when index is reused during tree transformation
  fs/ntfs3: Mark volume as dirty if xattr is broken
  fs/ntfs3: Always make file nonresident on fallocate call
  fs/ntfs3: Redesign ntfs_create_inode to return error code instead of inode
  fs/ntfs3: Use variable length array instead of fixed size
  fs/ntfs3: Use 64 bit variable to avoid 32 bit overflow
  fs/ntfs3: Check 'folio' pointer for NULL
  fs/ntfs3: Missed le32_to_cpu conversion
  fs/ntfs3: Remove max link count info display during driver init
  fs/ntfs3: Taking DOS names into account during link counting
  fs/ntfs3: remove atomic_open
  fs/ntfs3: use kcalloc() instead of kzalloc()
2024-05-25 14:19:01 -07:00
Linus Torvalds
6c8b1a2dca two ksmbd server fixes, both for stable
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Merge tag '6.10-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd

Pull smb server fixes from Steve French:
 "Two ksmbd server fixes, both for stable"

* tag '6.10-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
  ksmbd: ignore trailing slashes in share paths
  ksmbd: avoid to send duplicate oplock break notifications
2024-05-25 14:15:39 -07:00
Linus Torvalds
54f71b0369 RTC for 6.10
New driver:
  - Epson RX8111
 
 Drivers:
  - Many Device Tree bindings conversions to dtschema
  - pcf8563: wakeup-source support
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Merge tag 'rtc-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "There is one new driver and then most of the changes are the device
  tree bindings conversions to yaml.

  New driver:
   - Epson RX8111

  Drivers:
   - Many Device Tree bindings conversions to dtschema
   - pcf8563: wakeup-source support"

* tag 'rtc-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  pcf8563: add wakeup-source support
  rtc: rx8111: handle VLOW flag
  rtc: rx8111: demote warnings to debug level
  rtc: rx6110: Constify struct regmap_config
  dt-bindings: rtc: convert trivial devices into dtschema
  dt-bindings: rtc: stmp3xxx-rtc: convert to dtschema
  dt-bindings: rtc: pxa-rtc: convert to dtschema
  rtc: Add driver for Epson RX8111
  dt-bindings: rtc: Add Epson RX8111
  rtc: mcp795: drop unneeded MODULE_ALIAS
  rtc: nuvoton: Modify part number value
  rtc: test: Split rtc unit test into slow and normal speed test
  dt-bindings: rtc: nxp,lpc1788-rtc: convert to dtschema
  dt-bindings: rtc: digicolor-rtc: move to trivial-rtc
  dt-bindings: rtc: alphascale,asm9260-rtc: convert to dtschema
  dt-bindings: rtc: armada-380-rtc: convert to dtschema
  rtc: cros-ec: provide ID table for avoiding fallback match
2024-05-25 13:33:53 -07:00
Linus Torvalds
4286e1fceb I3C for 6.10
Core:
  - Allow device driver to trigger controller runtime PM
 
 Drivers:
  - dw: hot-join support
  - svc: better IBI handling
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Merge tag 'i3c/for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c updates from Alexandre Belloni:
 "Runtime PM (power management) is improved and hot-join support has
  been added to the dw controller driver.

  Core:
   - Allow device driver to trigger controller runtime PM

  Drivers:
   - dw: hot-join support
   - svc: better IBI handling"

* tag 'i3c/for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  i3c: dw: Add hot-join support.
  i3c: master: Enable runtime PM for master controller
  i3c: master: svc: fix invalidate IBI type and miss call client IBI handler
  i3c: master: svc: change ENXIO to EAGAIN when IBI occurs during start frame
  i3c: Add comment for -EAGAIN in i3c_device_do_priv_xfers()
2024-05-25 13:28:29 -07:00
Linus Torvalds
6951abe8f3 This pull request contains the following changes for JFFS2:
- Fix Illegal memory access jffs2_free_inode()
 - Kernel-doc fixes
 - Print symbolic error names
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Merge tag 'jffs2-for-linus-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull jffs2 updates from Richard Weinberger:

 - Fix illegal memory access in jffs2_free_inode()

 - Kernel-doc fixes

 - print symbolic error names

* tag 'jffs2-for-linus-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  jffs2: Fix potential illegal address access in jffs2_free_inode
  jffs2: Simplify the allocation of slab caches
  jffs2: nodemgmt: fix kernel-doc comments
  jffs2: print symbolic error name instead of error code
2024-05-25 13:23:42 -07:00
Linus Torvalds
2313022ec5 This pull request contains the following changes for UML:
- Fixes for -Wmissing-prototypes warnings and further cleanup
 - Remove callback returning void from rtc and virtio drivers
 - Fix bash location
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Merge tag 'uml-for-linus-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux

Pull UML updates from Richard Weinberger:

 - Fixes for -Wmissing-prototypes warnings and further cleanup

 - Remove callback returning void from rtc and virtio drivers

 - Fix bash location

* tag 'uml-for-linus-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (26 commits)
  um: virtio_uml: Convert to platform remove callback returning void
  um: rtc: Convert to platform remove callback returning void
  um: Remove unused do_get_thread_area function
  um: Fix -Wmissing-prototypes warnings for __vdso_*
  um: Add an internal header shared among the user code
  um: Fix the declaration of kasan_map_memory
  um: Fix the -Wmissing-prototypes warning for get_thread_reg
  um: Fix the -Wmissing-prototypes warning for __switch_mm
  um: Fix -Wmissing-prototypes warnings for (rt_)sigreturn
  um: Stop tracking host PID in cpu_tasks
  um: process: remove unused 'n' variable
  um: vector: remove unused len variable/calculation
  um: vector: fix bpfflash parameter evaluation
  um: slirp: remove set but unused variable 'pid'
  um: signal: move pid variable where needed
  um: Makefile: use bash from the environment
  um: Add winch to winch_handlers before registering winch IRQ
  um: Fix -Wmissing-prototypes warnings for __warp_* and foo
  um: Fix -Wmissing-prototypes warnings for text_poke*
  um: Move declarations to proper headers
  ...
2024-05-25 13:17:48 -07:00
Linus Torvalds
56fb6f9285 drm fixes for 6.10-rc1
nouveau:
 - fix bo metadata uAPI for vm bind
 
 panthor:
 - Fixes for panthor's heap logical block.
 - Reset on unrecoverable fault
 - Fix VM references.
 - Reset fix.
 
 xlnx:
 - xlnx compile and doc fixes.
 
 amdgpu:
 - Handle vbios table integrated info v2.3
 
 amdkfd:
 - Handle duplicate BOs in reserve_bo_and_cond_vms
 - Handle memory limitations on small APUs
 
 dp/mst:
 - MST null deref fix.
 
 bridge:
 - Don't let next bridge create connector in adv7511 to make probe work.
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Merge tag 'drm-next-2024-05-25' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Some fixes for the end of the merge window, mostly amdgpu and panthor,
  with one nouveau uAPI change that fixes a bad decision we made a few
  months back.

  nouveau:
   - fix bo metadata uAPI for vm bind

  panthor:
   - Fixes for panthor's heap logical block.
   - Reset on unrecoverable fault
   - Fix VM references.
   - Reset fix.

  xlnx:
   - xlnx compile and doc fixes.

  amdgpu:
   - Handle vbios table integrated info v2.3

  amdkfd:
   - Handle duplicate BOs in reserve_bo_and_cond_vms
   - Handle memory limitations on small APUs

  dp/mst:
   - MST null deref fix.

  bridge:
   - Don't let next bridge create connector in adv7511 to make probe
     work"

* tag 'drm-next-2024-05-25' of https://gitlab.freedesktop.org/drm/kernel:
  drm/amdgpu/atomfirmware: add intergrated info v2.3 table
  drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2
  drm/amdkfd: Let VRAM allocations go to GTT domain on small APUs
  drm/amdkfd: handle duplicate BOs in reserve_bo_and_cond_vms
  drm/bridge: adv7511: Attach next bridge without creating connector
  drm/buddy: Fix the warn on's during force merge
  drm/nouveau: use tile_mode and pte_kind for VM_BIND bo allocations
  drm/panthor: Call panthor_sched_post_reset() even if the reset failed
  drm/panthor: Reset the FW VM to NULL on unplug
  drm/panthor: Keep a ref to the VM at the panthor_kernel_bo level
  drm/panthor: Force an immediate reset on unrecoverable faults
  drm/panthor: Document drm_panthor_tiler_heap_destroy::handle validity constraints
  drm/panthor: Fix an off-by-one in the heap context retrieval logic
  drm/panthor: Relax the constraints on the tiler chunk size
  drm/panthor: Make sure the tiler initial/max chunks are consistent
  drm/panthor: Fix tiler OOM handling to allow incremental rendering
  drm: xlnx: zynqmp_dpsub: Fix compilation error
  drm: xlnx: zynqmp_dpsub: Fix few function comments
2024-05-24 17:28:02 -07:00
David Howells
93a4315512 cifs: Fix missing set of remote_i_size
Occasionally, the generic/001 xfstest will fail indicating corruption in
one of the copy chains when run on cifs against a server that supports
FSCTL_DUPLICATE_EXTENTS_TO_FILE (eg. Samba with a share on btrfs).  The
problem is that the remote_i_size value isn't updated by cifs_setsize()
when called by smb2_duplicate_extents(), but i_size *is*.

This may cause cifs_remap_file_range() to then skip the bit after calling
->duplicate_extents() that sets sizes.

Fix this by calling netfs_resize_file() in smb2_duplicate_extents() before
calling cifs_setsize() to set i_size.

This means we don't then need to call netfs_resize_file() upon return from
->duplicate_extents(), but we also fix the test to compare against the pre-dup
inode size.

[Note that this goes back before the addition of remote_i_size with the
netfs_inode struct.  It should probably have been setting cifsi->server_eof
previously.]

Fixes: cfc63fc812 ("smb3: fix cached file size problems in duplicate extents (reflink)")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-05-24 16:05:56 -05:00
David Howells
8a16072335 cifs: Fix smb3_insert_range() to move the zero_point
Fix smb3_insert_range() to move the zero_point over to the new EOF.
Without this, generic/147 fails as reads of data beyond the old EOF point
return zeroes.

Fixes: 3ee1a1fc39 ("cifs: Cut over to using netfslib")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-05-24 16:04:36 -05:00
Linus Torvalds
0b32d436c0 Jeff Xu's implementation of the mseal() syscall.
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Merge tag 'mm-stable-2024-05-24-11-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more mm updates from Andrew Morton:
 "Jeff Xu's implementation of the mseal() syscall"

* tag 'mm-stable-2024-05-24-11-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  selftest mm/mseal read-only elf memory segment
  mseal: add documentation
  selftest mm/mseal memory sealing
  mseal: add mseal syscall
  mseal: wire up mseal syscall
2024-05-24 12:47:28 -07:00
Chengming Zhou
90e8234988 mm/ksm: fix possible UAF of stable_node
The commit 2c653d0ee2 ("ksm: introduce ksm_max_page_sharing per page
deduplication limit") introduced a possible failure case in the
stable_tree_insert(), where we may free the new allocated stable_node_dup
if we fail to prepare the missing chain node.

Then that kfolio return and unlock with a freed stable_node set...  And
any MM activities can come in to access kfolio->mapping, so UAF.

Fix it by moving folio_set_stable_node() to the end after stable_node
is inserted successfully.

Link: https://lkml.kernel.org/r/20240513-b4-ksm-stable-node-uaf-v1-1-f687de76f452@linux.dev
Fixes: 2c653d0ee2 ("ksm: introduce ksm_max_page_sharing per page deduplication limit")
Signed-off-by: Chengming Zhou <chengming.zhou@linux.dev>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Stefan Roesch <shr@devkernel.io>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-05-24 11:55:08 -07:00
Miaohe Lin
8cf360b9d6 mm/memory-failure: fix handling of dissolved but not taken off from buddy pages
When I did memory failure tests recently, below panic occurs:

page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8cee00
flags: 0x6fffe0000000000(node=1|zone=2|lastcpupid=0x7fff)
raw: 06fffe0000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000009 00000000ffffffff 0000000000000000
page dumped because: VM_BUG_ON_PAGE(!PageBuddy(page))
------------[ cut here ]------------
kernel BUG at include/linux/page-flags.h:1009!
invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
RIP: 0010:__del_page_from_free_list+0x151/0x180
RSP: 0018:ffffa49c90437998 EFLAGS: 00000046
RAX: 0000000000000035 RBX: 0000000000000009 RCX: ffff8dd8dfd1c9c8
RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff8dd8dfd1c9c0
RBP: ffffd901233b8000 R08: ffffffffab5511f8 R09: 0000000000008c69
R10: 0000000000003c15 R11: ffffffffab5511f8 R12: ffff8dd8fffc0c80
R13: 0000000000000001 R14: ffff8dd8fffc0c80 R15: 0000000000000009
FS:  00007ff916304740(0000) GS:ffff8dd8dfd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055eae50124c8 CR3: 00000008479e0000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __rmqueue_pcplist+0x23b/0x520
 get_page_from_freelist+0x26b/0xe40
 __alloc_pages_noprof+0x113/0x1120
 __folio_alloc_noprof+0x11/0xb0
 alloc_buddy_hugetlb_folio.isra.0+0x5a/0x130
 __alloc_fresh_hugetlb_folio+0xe7/0x140
 alloc_pool_huge_folio+0x68/0x100
 set_max_huge_pages+0x13d/0x340
 hugetlb_sysctl_handler_common+0xe8/0x110
 proc_sys_call_handler+0x194/0x280
 vfs_write+0x387/0x550
 ksys_write+0x64/0xe0
 do_syscall_64+0xc2/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff916114887
RSP: 002b:00007ffec8a2fd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055eae500e350 RCX: 00007ff916114887
RDX: 0000000000000004 RSI: 000055eae500e390 RDI: 0000000000000003
RBP: 000055eae50104c0 R08: 0000000000000000 R09: 000055eae50104c0
R10: 0000000000000077 R11: 0000000000000246 R12: 0000000000000004
R13: 0000000000000004 R14: 00007ff916216b80 R15: 00007ff916216a00
 </TASK>
Modules linked in: mce_inject hwpoison_inject
---[ end trace 0000000000000000 ]---

And before the panic, there had an warning about bad page state:

BUG: Bad page state in process page-types  pfn:8cee00
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8cee00
flags: 0x6fffe0000000000(node=1|zone=2|lastcpupid=0x7fff)
page_type: 0xffffff7f(buddy)
raw: 06fffe0000000000 ffffd901241c0008 ffffd901240f8008 0000000000000000
raw: 0000000000000000 0000000000000009 00000000ffffff7f 0000000000000000
page dumped because: nonzero mapcount
Modules linked in: mce_inject hwpoison_inject
CPU: 8 PID: 154211 Comm: page-types Not tainted 6.9.0-rc4-00499-g5544ec3178e2-dirty #22
Call Trace:
 <TASK>
 dump_stack_lvl+0x83/0xa0
 bad_page+0x63/0xf0
 free_unref_page+0x36e/0x5c0
 unpoison_memory+0x50b/0x630
 simple_attr_write_xsigned.constprop.0.isra.0+0xb3/0x110
 debugfs_attr_write+0x42/0x60
 full_proxy_write+0x5b/0x80
 vfs_write+0xcd/0x550
 ksys_write+0x64/0xe0
 do_syscall_64+0xc2/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f189a514887
RSP: 002b:00007ffdcd899718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f189a514887
RDX: 0000000000000009 RSI: 00007ffdcd899730 RDI: 0000000000000003
RBP: 00007ffdcd8997a0 R08: 0000000000000000 R09: 00007ffdcd8994b2
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdcda199a8
R13: 0000000000404af1 R14: 000000000040ad78 R15: 00007f189a7a5040
 </TASK>

The root cause should be the below race:

 memory_failure
  try_memory_failure_hugetlb
   me_huge_page
    __page_handle_poison
     dissolve_free_hugetlb_folio
     drain_all_pages -- Buddy page can be isolated e.g. for compaction.
     take_page_off_buddy -- Failed as page is not in the buddy list.
	     -- Page can be putback into buddy after compaction.
    page_ref_inc -- Leads to buddy page with refcnt = 1.

Then unpoison_memory() can unpoison the page and send the buddy page back
into buddy list again leading to the above bad page state warning.  And
bad_page() will call page_mapcount_reset() to remove PageBuddy from buddy
page leading to later VM_BUG_ON_PAGE(!PageBuddy(page)) when trying to
allocate this page.

Fix this issue by only treating __page_handle_poison() as successful when
it returns 1.

Link: https://lkml.kernel.org/r/20240523071217.1696196-1-linmiaohe@huawei.com
Fixes: ceaf8fbea7 ("mm, hwpoison: skip raw hwpoison page in freeing 1GB hugepage")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-05-24 11:55:08 -07:00