Commit Graph

1265364 Commits

Author SHA1 Message Date
Johan Hovold
2a4b49bb58
regulator: core: fix debugfs creation regression
regulator_get() may sometimes be called more than once for the same
consumer device, something which before commit dbe954d8f1 ("regulator:
core: Avoid debugfs: Directory ...  already present! error") resulted in
errors being logged.

A couple of recent commits broke the handling of such cases so that
attributes are now erroneously created in the debugfs root directory the
second time a regulator is requested and the log is filled with errors
like:

	debugfs: File 'uA_load' in directory '/' already present!
	debugfs: File 'min_uV' in directory '/' already present!
	debugfs: File 'max_uV' in directory '/' already present!
	debugfs: File 'constraint_flags' in directory '/' already present!

on any further calls.

Fixes: 2715bb11cf ("regulator: core: Fix more error checking for debugfs_create_dir()")
Fixes: 08880713ce ("regulator: core: Streamline debugfs operations")
Cc: stable@vger.kernel.org
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240509133304.8883-1-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-09 17:43:57 +02:00
Alina Yu
d1ef160b45
regulator: rtq2208: Fix the BUCK ramp_delay range to maximum of 16mVstep/us
The maximum ramp up and down range of BUCK are shorten
from 64mVstep/us to 16mVstep/us.
Therefore, the RTQ2208_RAMP_VALUE_MAX_uV is modified
to 16000uV in this version.

Signed-off-by: Alina Yu <alina_yu@richtek.com>
Link: https://lore.kernel.org/r/1777b18c0faa1f6b7196630e679a03362686c301.1714467553.git.alina_yu@richtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-01 23:11:37 +09:00
Matti Vaittinen
ff33132605
regulator: change devm_regulator_get_enable_optional() stub to return Ok
The devm_regulator_get_enable_optional() should be a 'call and forget'
API, meaning, when it is used to enable the regulators, the API does not
provide a handle to do any further control of the regulators. It gives
no real benefit to return an error from the stub if CONFIG_REGULATOR is
not set.

On the contrary, returning an error is causing problems to drivers when
hardware is such it works out just fine with no regulator control.
Returning an error forces drivers to specifically handle the case where
CONFIG_REGULATOR is not set, making the mere existence of the stub
questionalble.

Change the stub implementation for the
devm_regulator_get_enable_optional() to return Ok so drivers do not
separately handle the case where the CONFIG_REGULATOR is not set.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Fixes: da279e6965 ("regulator: Add devm helpers for get and enable")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/ZiedtOE00Zozd3XO@fedora
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-04-24 10:13:30 +09:00
Matti Vaittinen
96e20adc43
regulator: change stubbed devm_regulator_get_enable to return Ok
The devm_regulator_get_enable() should be a 'call and forget' API,
meaning, when it is used to enable the regulators, the API does not
provide a handle to do any further control of the regulators. It gives
no real benefit to return an error from the stub if CONFIG_REGULATOR is
not set.

On the contrary, returning and error is causing problems to drivers when
hardware is such it works out just fine with no regulator control.
Returning an error forces drivers to specifically handle the case where
CONFIG_REGULATOR is not set, making the mere existence of the stub
questionalble. Furthermore, the stub of the regulator_enable() seems to
be returning Ok.

Change the stub implementation for the devm_regulator_get_enable() to
return Ok so drivers do not separately handle the case where the
CONFIG_REGULATOR is not set.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reported-by: Aleksander Mazur <deweloper@wp.pl>
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Fixes: da279e6965 ("regulator: Add devm helpers for get and enable")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/ZiYF6d1V1vSPcsJS@drtxq0yyyyyyyyyyyyyby-3.rev.dnainternet.fi
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-04-23 10:39:28 +09:00
Krzysztof Kozlowski
68adb581a3
regulator: vqmmc-ipq4019: fix module autoloading
Add MODULE_DEVICE_TABLE(), so the module could be properly autoloaded
based on the alias from of_device_id table.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://msgid.link/r/20240410172615.255424-2-krzk@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-04-10 18:48:59 +01:00
Krzysztof Kozlowski
ddd3f34c10
regulator: qcom-refgen: fix module autoloading
Add MODULE_DEVICE_TABLE(), so the module could be properly autoloaded
based on the alias from of_device_id table.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://msgid.link/r/20240410172615.255424-1-krzk@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-04-10 18:48:58 +01:00
AngeloGioacchino Del Regno
d3cf8a1749
regulator: mt6360: De-capitalize devicetree regulator subnodes
The MT6360 regulator binding, the example in the MT6360 mfd binding, and
the devicetree users of those bindings are rightfully declaring MT6360
regulator subnodes with non-capital names, and luckily without using the
deprecated regulator-compatible property.

With this driver declaring capitalized BUCKx/LDOx as of_match string for
the node names, obviously no regulator gets probed: fix that by changing
the MT6360_REGULATOR_DESC macro to add a "match" parameter which gets
assigned to the of_match.

Fixes: d321571d5e ("regulator: mt6360: Add support for MT6360 regulator")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://msgid.link/r/20240409144438.410060-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-04-09 16:22:59 +01:00
Matti Vaittinen
7ab681dded
regulator: irq_helpers: duplicate IRQ name
The regulator IRQ helper requires caller to provide pointer to IRQ name
which is kept in memory by caller. All other data passed to the helper
in the regulator_irq_desc structure is copied. This can cause some
confusion and unnecessary complexity.

Make the regulator_irq_helper() to copy also the provided IRQ name
information so caller can discard the name after the call to
regulator_irq_helper() completes.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://msgid.link/r/ZhJMuUYwaZbBXFGP@drtxq0yyyyyyyyyyyyydy-3.rev.dnainternet.fi
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-04-08 13:58:57 +01:00
Linus Torvalds
fec50db703 Linux 6.9-rc3 2024-04-07 13:22:46 -07:00
Linus Torvalds
9fe30842a9 Miscellaneous x86 fixes:
- Fix MCE timer reinit locking
  - Fix/improve CoCo guest random entropy pool init
  - Fix SEV-SNP late disable bugs
  - Fix false positive objtool build warning
  - Fix header dependency bug
  - Fix resctrl CPU offlining bug
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:

 - Fix MCE timer reinit locking

 - Fix/improve CoCo guest random entropy pool init

 - Fix SEV-SNP late disable bugs

 - Fix false positive objtool build warning

 - Fix header dependency bug

 - Fix resctrl CPU offlining bug

* tag 'x86-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/retpoline: Add NOENDBR annotation to the SRSO dummy return thunk
  x86/mce: Make sure to grab mce_sysfs_mutex in set_bank()
  x86/CPU/AMD: Track SNP host status with cc_platform_*()
  x86/cc: Add cc_platform_set/_clear() helpers
  x86/kvm/Kconfig: Have KVM_AMD_SEV select ARCH_HAS_CC_PLATFORM
  x86/coco: Require seeding RNG with RDRAND on CoCo systems
  x86/numa/32: Include missing <asm/pgtable_areas.h>
  x86/resctrl: Fix uninitialized memory read when last CPU of domain goes offline
2024-04-07 09:33:21 -07:00
Linus Torvalds
3520c35e5f Fix various timer bugs:
- Fix a timer migration bug that may result in missed events
  - Fix timer migration group hierarchy event updates
  - Fix a PowerPC64 build warning
  - Fix a handful of DocBook annotation bugs
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fixes from Ingo Molnar:
 "Fix various timer bugs:

   - Fix a timer migration bug that may result in missed events

   - Fix timer migration group hierarchy event updates

   - Fix a PowerPC64 build warning

   - Fix a handful of DocBook annotation bugs"

* tag 'timers-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  timers/migration: Return early on deactivation
  timers/migration: Fix ignored event due to missing CPU update
  vdso: Use CONFIG_PAGE_SHIFT in vdso/datapage.h
  timers: Fix text inconsistencies and spelling
  tick/sched: Fix struct tick_sched doc warnings
  tick/sched: Fix various kernel-doc warnings
  timers: Fix kernel-doc format and add Return values
  time/timekeeping: Fix kernel-doc warnings and typos
  time/timecounter: Fix inline documentation
2024-04-07 09:20:50 -07:00
Linus Torvalds
e2948effa9 Fix a combined PEBS events bug on x86 Intel CPUs.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 perf fix from Ingo Molnar:
 "Fix a combined PEBS events bug on x86 Intel CPUs"

* tag 'perf-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/ds: Don't clear ->pebs_data_cfg for the last PEBS event
2024-04-07 09:14:46 -07:00
Linus Torvalds
f2f80ac809 nfsd-6.9 fixes:
- Address a slow memory leak with RPC-over-TCP
 - Prevent another NFS4ERR_DELAY loop during CREATE_SESSION
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Merge tag 'nfsd-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd fixes from Chuck Lever:

 - Address a slow memory leak with RPC-over-TCP

 - Prevent another NFS4ERR_DELAY loop during CREATE_SESSION

* tag 'nfsd-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  nfsd: hold a lighter-weight client reference over CB_RECALL_ANY
  SUNRPC: Fix a slow server-side memory leak with RPC-over-TCP
2024-04-06 09:37:50 -07:00
Linus Torvalds
cf17b9503f Passing through a host driver build fix
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Merge tag 'i2c-for-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fix from Wolfram Sang:
 "A host driver build fix"

* tag 'i2c-for-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: pxa: hide unused icr_bits[] variable
2024-04-06 09:27:36 -07:00
Linus Torvalds
9520c192e8 Bug fixes for 6.9-rc3:
* Allow creating new links to special files which were not associated with a
    project quota.
 
 Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.9-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fix from Chandan Babu:

 - Allow creating new links to special files which were not associated
   with a project quota

* tag 'xfs-6.9-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: allow cross-linking special files without project quota
2024-04-06 09:14:18 -07:00
Linus Torvalds
119c289409 17 cifs.ko changesets, most also for stable
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Merge tag '6.9-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:

 - fix to retry close to avoid potential handle leaks when server
   returns EBUSY

 - DFS fixes including a fix for potential use after free

 - fscache fix

 - minor strncpy cleanup

 - reconnect race fix

 - deal with various possible UAF race conditions tearing sessions down

* tag '6.9-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  smb: client: fix potential UAF in cifs_signal_cifsd_for_reconnect()
  smb: client: fix potential UAF in smb2_is_network_name_deleted()
  smb: client: fix potential UAF in is_valid_oplock_break()
  smb: client: fix potential UAF in smb2_is_valid_oplock_break()
  smb: client: fix potential UAF in smb2_is_valid_lease_break()
  smb: client: fix potential UAF in cifs_stats_proc_show()
  smb: client: fix potential UAF in cifs_stats_proc_write()
  smb: client: fix potential UAF in cifs_dump_full_key()
  smb: client: fix potential UAF in cifs_debug_files_proc_show()
  smb3: retrying on failed server close
  smb: client: serialise cifs_construct_tcon() with cifs_mount_mutex
  smb: client: handle DFS tcons in cifs_construct_tcon()
  smb: client: refresh referral without acquiring refpath_lock
  smb: client: guarantee refcounted children from parent session
  cifs: Fix caching to try to do open O_WRONLY as rdwr on server
  smb: client: fix UAF in smb2_reconnect_server()
  smb: client: replace deprecated strncpy with strscpy
2024-04-06 09:06:17 -07:00
Borislav Petkov (AMD)
b377c66ae3 x86/retpoline: Add NOENDBR annotation to the SRSO dummy return thunk
srso_alias_untrain_ret() is special code, even if it is a dummy
which is called in the !SRSO case, so annotate it like its real
counterpart, to address the following objtool splat:

  vmlinux.o: warning: objtool: .export_symbol+0x2b290: data relocation to !ENDBR: srso_alias_untrain_ret+0x0

Fixes: 4535e1a417 ("x86/bugs: Fix the SRSO mitigation on Zen3/4")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240405144637.17908-1-bp@kernel.org
2024-04-06 13:01:50 +02:00
Ingo Molnar
5f2ca44ed2 Merge branch 'linus' into x86/urgent, to pick up dependent commit
We want to fix:

  0e11073247 ("x86/retpoline: Do the necessary fixup to the Zen3/4 srso return thunk for !SRSO")

So merge in Linus's latest into x86/urgent to have it available.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2024-04-06 13:00:32 +02:00
Wolfram Sang
5ceeabb0eb An unused const variable kind of error has been fixed by placing
the definition of icr_bits[] inside the ifdef block where it is
 used.
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Merge tag 'i2c-host-fixes-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current

An unused const variable kind of error has been fixed by placing
the definition of icr_bits[] inside the ifdef block where it is
used.
2024-04-06 11:29:15 +02:00
Linus Torvalds
6c6e47d69d firewire fixes for v6.9-rc2
The firewire-ohci kernel module has a parameter for verbose kernel logging.
 It is well-known that it logs the spurious IRQ for bus-reset event due to
 the unmasked register for IRQ event. This update fixes the issue.
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Merge tag 'firewire-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire fixes from Takashi Sakamoto:
 "The firewire-ohci kernel module has a parameter for verbose kernel
  logging. It is well-known that it logs the spurious IRQ for bus-reset
  event due to the unmasked register for IRQ event. This update fixes
  the issue"

* tag 'firewire-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: ohci: mask bus reset interrupts between ISR and bottom half
2024-04-05 21:25:31 -07:00
Adam Goldman
752e3c53de firewire: ohci: mask bus reset interrupts between ISR and bottom half
In the FireWire OHCI interrupt handler, if a bus reset interrupt has
occurred, mask bus reset interrupts until bus_reset_work has serviced and
cleared the interrupt.

Normally, we always leave bus reset interrupts masked. We infer the bus
reset from the self-ID interrupt that happens shortly thereafter. A
scenario where we unmask bus reset interrupts was introduced in 2008 in
a007bb857e: If
OHCI_PARAM_DEBUG_BUSRESETS (8) is set in the debug parameter bitmask, we
will unmask bus reset interrupts so we can log them.

irq_handler logs the bus reset interrupt. However, we can't clear the bus
reset event flag in irq_handler, because we won't service the event until
later. irq_handler exits with the event flag still set. If the
corresponding interrupt is still unmasked, the first bus reset will
usually freeze the system due to irq_handler being called again each
time it exits. This freeze can be reproduced by loading firewire_ohci
with "modprobe firewire_ohci debug=-1" (to enable all debugging output).
Apparently there are also some cases where bus_reset_work will get called
soon enough to clear the event, and operation will continue normally.

This freeze was first reported a few months after a007bb85 was committed,
but until now it was never fixed. The debug level could safely be set
to -1 through sysfs after the module was loaded, but this would be
ineffectual in logging bus reset interrupts since they were only
unmasked during initialization.

irq_handler will now leave the event flag set but mask bus reset
interrupts, so irq_handler won't be called again and there will be no
freeze. If OHCI_PARAM_DEBUG_BUSRESETS is enabled, bus_reset_work will
unmask the interrupt after servicing the event, so future interrupts
will be caught as desired.

As a side effect to this change, OHCI_PARAM_DEBUG_BUSRESETS can now be
enabled through sysfs in addition to during initial module loading.
However, when enabled through sysfs, logging of bus reset interrupts will
be effective only starting with the second bus reset, after
bus_reset_work has executed.

Signed-off-by: Adam Goldman <adamg@pobox.com>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
2024-04-06 09:36:46 +09:00
Linus Torvalds
104db052b6 spi: Fixes for v6.9
A few small driver specific fixes, the most important being the s3c64xx
 change which is likely to be hit during normal operation.
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Merge tag 'spi-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few small driver specific fixes, the most important being the
  s3c64xx change which is likely to be hit during normal operation"

* tag 'spi-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: mchp-pci1xxx: Fix a possible null pointer dereference in pci1xxx_spi_probe
  spi: spi-fsl-lpspi: remove redundant spi_controller_put call
  spi: s3c64xx: Use DMA mode from fifo size
2024-04-05 17:26:43 -07:00
Linus Torvalds
20668408ab regulator: Fix for v6.9
One simple regualtor fix, fixing module autoloading on tps65132.
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Merge tag 'regulator-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "One simple regualtor fix, fixing module autoloading on tps65132"

* tag 'regulator-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: tps65132: Add of_match table
2024-04-05 17:24:04 -07:00
Linus Torvalds
a6bec447a8 regmap: Fixes for v6.9
Richard found a nasty corner case in the maple tree code which he fixed,
 and also fixed a compiler warning which was showing up with the
 toolchain he uses and helpfully identified a possible incorrect error
 code which could have runtime impacts.
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Merge tag 'regmap-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fixes from Mark Brown:
 "Richard found a nasty corner case in the maple tree code which he
  fixed, and also fixed a compiler warning which was showing up with the
  toolchain he uses and helpfully identified a possible incorrect error
  code which could have runtime impacts"

* tag 'regmap-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: maple: Fix uninitialized symbol 'ret' warnings
  regmap: maple: Fix cache corruption in regcache_maple_drop()
2024-04-05 17:21:16 -07:00
Linus Torvalds
8a05ef7087 block-6.9-20240405
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Merge tag 'block-6.9-20240405' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Keith:
      - Atomic queue limits fixes (Christoph)
      - Fabrics fixes (Hannes, Daniel)

 - Discard overflow fix (Li)

 - Cleanup fix for null_blk (Damien)

* tag 'block-6.9-20240405' of git://git.kernel.dk/linux:
  nvme-fc: rename free_ctrl callback to match name pattern
  nvmet-fc: move RCU read lock to nvmet_fc_assoc_exists
  nvmet: implement unique discovery NQN
  nvme: don't create a multipath node for zero capacity devices
  nvme: split nvme_update_zone_info
  nvme-multipath: don't inherit LBA-related fields for the multipath node
  block: fix overflow in blk_ioctl_discard()
  nullblk: Fix cleanup order in null_add_dev() error path
2024-04-05 17:04:11 -07:00
Linus Torvalds
4f72ed492d io_uring-6.9-20240405
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Merge tag 'io_uring-6.9-20240405' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:

 - Backport of some fixes that came up during development of the 6.10
   io_uring patches. This includes some kbuf cleanups and reference
   fixes.

 - Disable multishot read if we don't have NOWAIT support on the target

 - Fix for a dependency issue with workqueue flushing

* tag 'io_uring-6.9-20240405' of git://git.kernel.dk/linux:
  io_uring/kbuf: hold io_buffer_list reference over mmap
  io_uring/kbuf: protect io_buffer_list teardown with a reference
  io_uring/kbuf: get rid of bl->is_ready
  io_uring/kbuf: get rid of lower BGID lists
  io_uring: use private workqueue for exit work
  io_uring: disable io-wq execution of multishot NOWAIT requests
  io_uring/rw: don't allow multishot reads without NOWAIT support
2024-04-05 16:58:52 -07:00
Linus Torvalds
4de2ff261f SCSI fixes on 20240405
The most important is the libsas fix, which is a problem for DMA to a
 kmalloc'd structure too small causing cache line interference.  The
 other fixes (all in drivers) are mostly for allocation length fixes,
 error leg unwinding, suspend races and a missing retry.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "The most important is the libsas fix, which is a problem for DMA to a
  kmalloc'd structure too small causing cache line interference. The
  other fixes (all in drivers) are mostly for allocation length fixes,
  error leg unwinding, suspend races and a missing retry"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: core: Fix MCQ mode dev command timeout
  scsi: libsas: Align SMP request allocation to ARCH_DMA_MINALIGN
  scsi: sd: Unregister device if device_add_disk() failed in sd_probe()
  scsi: ufs: core: WLUN suspend dev/link state error recovery
  scsi: mylex: Fix sysfs buffer lengths
2024-04-05 16:54:54 -07:00
Linus Torvalds
84985eb2c0 Devicetree fixes for v6.9, part 1:
- Fix NIOS2 boot with external DTB
 
 - Add missing synchronization needed between fw_devlink and DT overlay
   removals
 
 - Fix some unit-address regex's to be hex only
 
 - Drop some 10+ year old "unstable binding" statements
 
 - Add new SoCs to QCom UFS binding
 
 - Add TPM bindings to TPM maintainers
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Merge tag 'devicetree-fixes-for-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Fix NIOS2 boot with external DTB

 - Add missing synchronization needed between fw_devlink and DT overlay
   removals

 - Fix some unit-address regex's to be hex only

 - Drop some 10+ year old "unstable binding" statements

 - Add new SoCs to QCom UFS binding

 - Add TPM bindings to TPM maintainers

* tag 'devicetree-fixes-for-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  nios2: Only use built-in devicetree blob if configured to do so
  dt-bindings: timer: narrow regex for unit address to hex numbers
  dt-bindings: soc: fsl: narrow regex for unit address to hex numbers
  dt-bindings: remoteproc: ti,davinci: remove unstable remark
  dt-bindings: clock: ti: remove unstable remark
  dt-bindings: clock: keystone: remove unstable remark
  of: module: prevent NULL pointer dereference in vsnprintf()
  dt-bindings: ufs: qcom: document SM6125 UFS
  dt-bindings: ufs: qcom: document SC7180 UFS
  dt-bindings: ufs: qcom: document SC8180X UFS
  of: dynamic: Synchronize of_changeset_destroy() with the devlink removals
  driver core: Introduce device_link_wait_removal()
  docs: dt-bindings: add missing address/size-cells to example
  MAINTAINERS: Add TPM DT bindings to TPM maintainers
2024-04-05 14:07:22 -07:00
Linus Torvalds
af709adfaa 8 hotfixes, 3 are cc:stable
There are a couple of fixups for this cycle's vmalloc changes and one for
 the stackdepot changes.  And a fix for a very old x86 PAT issue which can
 cause a warning splat.
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Merge tag 'mm-hotfixes-stable-2024-04-05-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "8 hotfixes, 3 are cc:stable

  There are a couple of fixups for this cycle's vmalloc changes and one
  for the stackdepot changes. And a fix for a very old x86 PAT issue
  which can cause a warning splat"

* tag 'mm-hotfixes-stable-2024-04-05-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  stackdepot: rename pool_index to pool_index_plus_1
  x86/mm/pat: fix VM_PAT handling in COW mappings
  MAINTAINERS: change vmware.com addresses to broadcom.com
  selftests/mm: include strings.h for ffsl
  mm: vmalloc: fix lockdep warning
  mm: vmalloc: bail out early in find_vmap_area() if vmap is not init
  init: open output files from cpio unpacking with O_LARGEFILE
  mm/secretmem: fix GUP-fast succeeding on secretmem folios
2024-04-05 13:30:01 -07:00
Linus Torvalds
c7830236d5 arm64/ptrace fix to use the correct SVE layout based on the saved
floating point state rather than the TIF_SVE flag. The latter may be
 left on during syscalls even if the SVE state is discarded.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fix from Catalin Marinas:
 "arm64/ptrace fix to use the correct SVE layout based on the saved
  floating point state rather than the TIF_SVE flag. The latter may be
  left on during syscalls even if the SVE state is discarded"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/ptrace: Use saved floating point state type to determine SVE layout
2024-04-05 13:12:35 -07:00
Linus Torvalds
261b8e89b6 RISC-V Fixes for 6.9-rc3
* A fix for an __{get,put}_kernel_nofault to avoid an uninitialized
   value causing spurious failures.
 * compat_vdso.so.dbg is now installed to the standard install location.
 * A fix to avoid initializing PERF_SAMPLE_BRANCH_*-related events, as
   they aren't supported and will just later fail.
 * A fix to make AT_VECTOR_SIZE_ARCH correct now that we're providing
   AT_MINSIGSTKSZ.
 * pgprot_nx() is now implemented, which fixes vmap W^X protection.
 * A fix for the vector save/restore code, which at least manifests as
   corrupted vector state when a signal is taken.
 * A fix for a race condition in instruction patching.
 * A fix to avoid leaking the kernel-mode GP to userspace, which is a
   kernel pointer leak that can be used to defeat KASLR in various ways.
 * A handful of smaller fixes to build warnings, an overzealous printk,
   and some missing tracing annotations.
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Merge tag 'riscv-for-linus-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - A fix for an __{get,put}_kernel_nofault to avoid an uninitialized
   value causing spurious failures

 - compat_vdso.so.dbg is now installed to the standard install location

 - A fix to avoid initializing PERF_SAMPLE_BRANCH_*-related events, as
   they aren't supported and will just later fail

 - A fix to make AT_VECTOR_SIZE_ARCH correct now that we're providing
   AT_MINSIGSTKSZ

 - pgprot_nx() is now implemented, which fixes vmap W^X protection

 - A fix for the vector save/restore code, which at least manifests as
   corrupted vector state when a signal is taken

 - A fix for a race condition in instruction patching

 - A fix to avoid leaking the kernel-mode GP to userspace, which is a
   kernel pointer leak that can be used to defeat KASLR in various ways

 - A handful of smaller fixes to build warnings, an overzealous printk,
   and some missing tracing annotations

* tag 'riscv-for-linus-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: process: Fix kernel gp leakage
  riscv: Disable preemption when using patch_map()
  riscv: Fix warning by declaring arch_cpu_idle() as noinstr
  riscv: use KERN_INFO in do_trap
  riscv: Fix vector state restore in rt_sigreturn()
  riscv: mm: implement pgprot_nx
  riscv: compat_vdso: align VDSOAS build log
  RISC-V: Update AT_VECTOR_SIZE_ARCH for new AT_MINSIGSTKSZ
  riscv: Mark __se_sys_* functions __used
  drivers/perf: riscv: Disable PERF_SAMPLE_BRANCH_* while not supported
  riscv: compat_vdso: install compat_vdso.so.dbg to /lib/modules/*/vdso/
  riscv: hwprobe: do not produce frtace relocation
  riscv: Fix spurious errors from __get/put_kernel_nofault
  riscv: mm: Fix prototype to avoid discarding const
2024-04-05 13:09:48 -07:00
Linus Torvalds
50094473ec s390 updates for 6.9-rc3
- Fix missing NULL pointer check when determining guest/host fault
 
 - Mark all functions in asm/atomic_ops.h, asm/atomic.h and asm/preempt.h
   as __always_inline to avoid unwanted instrumentation
 
 - Fix removal of a Processor Activity Instrumentation (PAI) sampling
   event in PMU device driver
 
 - Align system call table on 8 bytes
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Merge tag 's390-6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Alexander Gordeev:

 - Fix missing NULL pointer check when determining guest/host fault

 - Mark all functions in asm/atomic_ops.h, asm/atomic.h and
   asm/preempt.h as __always_inline to avoid unwanted instrumentation

 - Fix removal of a Processor Activity Instrumentation (PAI) sampling
   event in PMU device driver

 - Align system call table on 8 bytes

* tag 's390-6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/entry: align system call table on 8 bytes
  s390/pai: fix sampling event removal for PMU device driver
  s390/preempt: mark all functions __always_inline
  s390/atomic: mark all functions __always_inline
  s390/mm: fix NULL pointer dereference
2024-04-05 13:07:25 -07:00
Linus Torvalds
2f9fd9e439 Power management fix for 6.9-rc3
Fix a recent Energy Model change that went against a recent scheduler
 change made independently (Vincent Guittot).
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Merge tag 'pm-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix a recent Energy Model change that went against a recent scheduler
  change made independently (Vincent Guittot)"

* tag 'pm-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM: EM: fix wrong utilization estimation in em_cpu_energy()
2024-04-05 12:55:40 -07:00
Linus Torvalds
b21defcb52 Thermal control fixes for 6.9-rc3
- Allow the power allocator thermal governor to bind to a thermal zone
    without cooling devices and/or without trip points (Nikita Travkin).
 
  - Make the ACPI thermal driver register a tripless thermal zone when
    it cannot find any usable trip points instead of returning an error
    from acpi_thermal_add() (Stephen Horvath).
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Merge tag 'thermal-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control fixes from Rafael Wysocki:
 "These fix two power allocator thermal governor issues and an ACPI
  thermal driver regression that all were introduced during the 6.8
  development cycle.

  Specifics:

   - Allow the power allocator thermal governor to bind to a thermal
     zone without cooling devices and/or without trip points (Nikita
     Travkin)

   - Make the ACPI thermal driver register a tripless thermal zone when
     it cannot find any usable trip points instead of returning an error
     from acpi_thermal_add() (Stephen Horvath)"

* tag 'thermal-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: gov_power_allocator: Allow binding without trip points
  thermal: gov_power_allocator: Allow binding without cooling devices
  ACPI: thermal: Register thermal zones without valid trip points
2024-04-05 12:51:32 -07:00
Linus Torvalds
2e69af16b0 gpio fixes for v6.9-rc3
- make sure GPIO devices are registered with the subsystem before trying
   to return them to a caller of gpio_device_find()
 - fix two issues with incorrect sanitization of the interrupt labels
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Merge tag 'gpio-fixes-for-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - make sure GPIO devices are registered with the subsystem before
   trying to return them to a caller of gpio_device_find()

 - fix two issues with incorrect sanitization of the interrupt labels

* tag 'gpio-fixes-for-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: cdev: fix missed label sanitizing in debounce_setup()
  gpio: cdev: check for NULL labels when sanitizing them for irqs
  gpiolib: Fix triggering "kobject: 'gpiochipX' is not initialized, yet" kobject_get() errors
2024-04-05 12:12:19 -07:00
Linus Torvalds
4c3fc3459b ata fixes for 6.9-rc3
- Compilation warning fixes from Arnd: one in the sata_sx4 driver due
    to an incorrect calculation of the parameters passed to memcpy() and
    another one in the sata_mv driver when CONFIG_PCI is not set.
 
  - Drop the owner driver field assignment in the pata_macio driver. That
    is not needed as the PCI core code does that already (Krzysztof).
 
  - Remove an unusued field in struct st_ahci_drv_data of the ahci_st
    driver (Christophe).
 
  - Add a missing clock probe error check in the sata_gemini driver
    (Chen).
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Merge tag 'ata-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux

Pull ata fixes from Damien Le Moal:

 - Compilation warning fixes from Arnd: one in the sata_sx4 driver due
   to an incorrect calculation of the parameters passed to memcpy() and
   another one in the sata_mv driver when CONFIG_PCI is not set

 - Drop the owner driver field assignment in the pata_macio driver. That
   is not needed as the PCI core code does that already (Krzysztof)

 - Remove an unusued field in struct st_ahci_drv_data of the ahci_st
   driver (Christophe)

 - Add a missing clock probe error check in the sata_gemini driver
   (Chen)

* tag 'ata-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
  ata: sata_gemini: Check clk_enable() result
  ata: sata_mv: Fix PCI device ID table declaration compilation warning
  ata: ahci_st: Remove an unused field in struct st_ahci_drv_data
  ata: pata_macio: drop driver owner assignment
  ata: sata_sx4: fix pdc20621_get_from_dimm() on 64-bit
2024-04-05 12:09:16 -07:00
Linus Torvalds
c42881d48c sound fixes for 6.9-rc3
This became a bit bigger collection of patches, but almost all are
 about device-specific fixes, and should be safe for 6.9.
 
 - Lots of ASoC Intel SOF-related fixes/updates
 - Locking fixes in SoundWire drivers
 - ASoC AMD ACP/SOF updates
 - ASoC ES8326 codec fixes
 - HD-audio codec fixes and quirks
 - A regression fix in emu10k1 synth code
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Merge tag 'sound-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This became a bit bigger collection of patches, but almost all are
  about device-specific fixes, and should be safe for 6.9:

   - Lots of ASoC Intel SOF-related fixes/updates

   - Locking fixes in SoundWire drivers

   - ASoC AMD ACP/SOF updates

   - ASoC ES8326 codec fixes

   - HD-audio codec fixes and quirks

   - A regression fix in emu10k1 synth code"

* tag 'sound-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (49 commits)
  ASoC: SOF: Core: Add remove_late() to sof_init_environment failure path
  ASoC: SOF: amd: fix for false dsp interrupts
  ASoC: SOF: Intel: lnl: Disable DMIC/SSP offload on remove
  ASoC: Intel: avs: boards: Add modules description
  ASoC: codecs: ES8326: Removing the control of ADC_SCALE
  ASoC: codecs: ES8326: Solve a headphone detection issue after suspend and resume
  ASoC: codecs: ES8326: modify clock table
  ASoC: codecs: ES8326: Solve error interruption issue
  ALSA: line6: Zero-initialize message buffers
  ALSA: hda/realtek: cs35l41: Support ASUS ROG G634JYR
  ALSA: hda/realtek: Update Panasonic CF-SZ6 quirk to support headset with microphone
  ALSA: hda/realtek: Add sound quirks for Lenovo Legion slim 7 16ARHA7 models
  Revert "ALSA: emu10k1: fix synthesizer sample playback position and caching"
  OSS: dmasound/paula: Mark driver struct with __refdata to prevent section mismatch
  ALSA: hda/realtek: Add quirks for ASUS Laptops using CS35L56
  ASoC: amd: acp: fix for acp_init function error handling
  ASoC: tas2781: mark dvc_tlv with __maybe_unused
  ASoC: ops: Fix wraparound for mask in snd_soc_get_volsw
  ASoC: rt-sdw*: add __func__ to all error logs
  ASoC: rt722-sdca-sdw: fix locking sequence
  ...
2024-04-05 11:58:55 -07:00
Linus Torvalds
89103a1642 drm fixes for v6.9-rc3
display:
 - fix typos in kerneldoc
 
 prime:
 - unbreak dma-buf export for virt-gpu
 
 nouveau:
 - uvmm: fix remap address calculation
 - minor cleanups
 
 panfrost:
 - fix power-transition timeouts
 
 xe:
 - Stop using system_unbound_wq for preempt fences,
 - Fix saving unordered rebinding fences by attaching
   them as kernel feces to the vm's resv
 - Fix TLB invalidation fences completing out of order
 - Move rebind TLB invalidation to the ring ops to reduce
   the latency
 
 i915:
 - A few DisplayPort related fixes
 - eDP PSR fixes
 - Remove some VM space restrictions on older platforms
 - Disable automatic load CCS load balancing
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Merge tag 'drm-fixes-2024-04-05' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Weekly fixes, mostly xe and i915, amdgpu on a week off, otherwise a
  nouveau fix for a crash with new vulkan cts tests, and a couple of
  cleanups and misc fixes.

  display:
   - fix typos in kerneldoc

  prime:
   - unbreak dma-buf export for virt-gpu

  nouveau:
   - uvmm: fix remap address calculation
   - minor cleanups

  panfrost:
   - fix power-transition timeouts

  xe:
   - Stop using system_unbound_wq for preempt fences
   - Fix saving unordered rebinding fences by attaching them as kernel
     feces to the vm's resv
   - Fix TLB invalidation fences completing out of order
   - Move rebind TLB invalidation to the ring ops to reduce the latency

  i915:
   - A few DisplayPort related fixes
   - eDP PSR fixes
   - Remove some VM space restrictions on older platforms
   - Disable automatic load CCS load balancing"

* tag 'drm-fixes-2024-04-05' of https://gitlab.freedesktop.org/drm/kernel: (22 commits)
  drm/xe: Use ordered wq for preempt fence waiting
  drm/xe: Move vma rebinding to the drm_exec locking loop
  drm/xe: Make TLB invalidation fences unordered
  drm/xe: Rework rebinding
  drm/xe: Use ring ops TLB invalidation for rebinds
  drm/i915/mst: Reject FEC+MST on ICL
  drm/i915/mst: Limit MST+DSC to TGL+
  drm/i915/dp: Fix the computation for compressed_bpp for DISPLAY < 13
  drm/i915/gt: Enable only one CCS for compute workload
  drm/i915/gt: Do not generate the command streamer for all the CCS
  drm/i915/gt: Disable HW load balancing for CCS
  drm/i915/gt: Limit the reserved VM space to only the platforms that need it
  drm/i915/psr: Fix intel_psr2_sel_fetch_et_alignment usage
  drm/i915/psr: Move writing early transport pipe src
  drm/i915/psr: Calculate PIPE_SRCSZ_ERLY_TPT value
  drm/i915/dp: Remove support for UHBR13.5
  drm/i915/dp: Fix DSC state HW readout for SST connectors
  drm/display: fix typo
  drm/prime: Unbreak virtgpu dma-buf export
  nouveau/uvmm: fix addr/range calcs for remap operations
  ...
2024-04-05 11:53:46 -07:00
Peter Collingbourne
a6c1d9cb9a stackdepot: rename pool_index to pool_index_plus_1
Commit 3ee34eabac ("lib/stackdepot: fix first entry having a 0-handle")
changed the meaning of the pool_index field to mean "the pool index plus
1".  This made the code accessing this field less self-documenting, as
well as causing debuggers such as drgn to not be able to easily remain
compatible with both old and new kernels, because they typically do that
by testing for presence of the new field.  Because stackdepot is a
debugging tool, we should make sure that it is debugger friendly. 
Therefore, give the field a different name to improve readability as well
as enabling debugger backwards compatibility.

This is needed in 6.9, which would otherwise become an odd release with
the new semantics and old name so debuggers wouldn't recognize the new
semantics there.

Fixes: 3ee34eabac ("lib/stackdepot: fix first entry having a 0-handle")
Link: https://lkml.kernel.org/r/20240402001500.53533-1-pcc@google.com
Link: https://linux-review.googlesource.com/id/Ib3e70c36c1d230dd0a118dc22649b33e768b9f88
Signed-off-by: Peter Collingbourne <pcc@google.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Alexander Potapenko <glider@google.com>
Acked-by: Marco Elver <elver@google.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Omar Sandoval <osandov@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-05 11:21:31 -07:00
David Hildenbrand
04c35ab3bd x86/mm/pat: fix VM_PAT handling in COW mappings
PAT handling won't do the right thing in COW mappings: the first PTE (or,
in fact, all PTEs) can be replaced during write faults to point at anon
folios.  Reliably recovering the correct PFN and cachemode using
follow_phys() from PTEs will not work in COW mappings.

Using follow_phys(), we might just get the address+protection of the anon
folio (which is very wrong), or fail on swap/nonswap entries, failing
follow_phys() and triggering a WARN_ON_ONCE() in untrack_pfn() and
track_pfn_copy(), not properly calling free_pfn_range().

In free_pfn_range(), we either wouldn't call memtype_free() or would call
it with the wrong range, possibly leaking memory.

To fix that, let's update follow_phys() to refuse returning anon folios,
and fallback to using the stored PFN inside vma->vm_pgoff for COW mappings
if we run into that.

We will now properly handle untrack_pfn() with COW mappings, where we
don't need the cachemode.  We'll have to fail fork()->track_pfn_copy() if
the first page was replaced by an anon folio, though: we'd have to store
the cachemode in the VMA to make this work, likely growing the VMA size.

For now, lets keep it simple and let track_pfn_copy() just fail in that
case: it would have failed in the past with swap/nonswap entries already,
and it would have done the wrong thing with anon folios.

Simple reproducer to trigger the WARN_ON_ONCE() in untrack_pfn():

<--- C reproducer --->
 #include <stdio.h>
 #include <sys/mman.h>
 #include <unistd.h>
 #include <liburing.h>

 int main(void)
 {
         struct io_uring_params p = {};
         int ring_fd;
         size_t size;
         char *map;

         ring_fd = io_uring_setup(1, &p);
         if (ring_fd < 0) {
                 perror("io_uring_setup");
                 return 1;
         }
         size = p.sq_off.array + p.sq_entries * sizeof(unsigned);

         /* Map the submission queue ring MAP_PRIVATE */
         map = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE,
                    ring_fd, IORING_OFF_SQ_RING);
         if (map == MAP_FAILED) {
                 perror("mmap");
                 return 1;
         }

         /* We have at least one page. Let's COW it. */
         *map = 0;
         pause();
         return 0;
 }
<--- C reproducer --->

On a system with 16 GiB RAM and swap configured:
 # ./iouring &
 # memhog 16G
 # killall iouring
[  301.552930] ------------[ cut here ]------------
[  301.553285] WARNING: CPU: 7 PID: 1402 at arch/x86/mm/pat/memtype.c:1060 untrack_pfn+0xf4/0x100
[  301.553989] Modules linked in: binfmt_misc nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_g
[  301.558232] CPU: 7 PID: 1402 Comm: iouring Not tainted 6.7.5-100.fc38.x86_64 #1
[  301.558772] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebu4
[  301.559569] RIP: 0010:untrack_pfn+0xf4/0x100
[  301.559893] Code: 75 c4 eb cf 48 8b 43 10 8b a8 e8 00 00 00 3b 6b 28 74 b8 48 8b 7b 30 e8 ea 1a f7 000
[  301.561189] RSP: 0018:ffffba2c0377fab8 EFLAGS: 00010282
[  301.561590] RAX: 00000000ffffffea RBX: ffff9208c8ce9cc0 RCX: 000000010455e047
[  301.562105] RDX: 07fffffff0eb1e0a RSI: 0000000000000000 RDI: ffff9208c391d200
[  301.562628] RBP: 0000000000000000 R08: ffffba2c0377fab8 R09: 0000000000000000
[  301.563145] R10: ffff9208d2292d50 R11: 0000000000000002 R12: 00007fea890e0000
[  301.563669] R13: 0000000000000000 R14: ffffba2c0377fc08 R15: 0000000000000000
[  301.564186] FS:  0000000000000000(0000) GS:ffff920c2fbc0000(0000) knlGS:0000000000000000
[  301.564773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  301.565197] CR2: 00007fea88ee8a20 CR3: 00000001033a8000 CR4: 0000000000750ef0
[  301.565725] PKRU: 55555554
[  301.565944] Call Trace:
[  301.566148]  <TASK>
[  301.566325]  ? untrack_pfn+0xf4/0x100
[  301.566618]  ? __warn+0x81/0x130
[  301.566876]  ? untrack_pfn+0xf4/0x100
[  301.567163]  ? report_bug+0x171/0x1a0
[  301.567466]  ? handle_bug+0x3c/0x80
[  301.567743]  ? exc_invalid_op+0x17/0x70
[  301.568038]  ? asm_exc_invalid_op+0x1a/0x20
[  301.568363]  ? untrack_pfn+0xf4/0x100
[  301.568660]  ? untrack_pfn+0x65/0x100
[  301.568947]  unmap_single_vma+0xa6/0xe0
[  301.569247]  unmap_vmas+0xb5/0x190
[  301.569532]  exit_mmap+0xec/0x340
[  301.569801]  __mmput+0x3e/0x130
[  301.570051]  do_exit+0x305/0xaf0
...

Link: https://lkml.kernel.org/r/20240403212131.929421-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: Wupeng Ma <mawupeng1@huawei.com>
Closes: https://lkml.kernel.org/r/20240227122814.3781907-1-mawupeng1@huawei.com
Fixes: b1a86e15dc ("x86, pat: remove the dependency on 'vm_pgoff' in track/untrack pfn vma routines")
Fixes: 5899329b19 ("x86: PAT: implement track/untrack of pfnmap regions for x86 - v3")
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-05 11:21:31 -07:00
Alexey Makhalov
87f0e65cdf MAINTAINERS: change vmware.com addresses to broadcom.com
Update all remaining vmware.com email addresses to actual broadcom.com.

Add corresponding .mailmap entries for maintainers who contributed in the
past as the vmware.com address will start bouncing soon.

Maintainership update. Jeff Sipek has left VMware, Nick Shi will be
maintaining VMware PTP.

Link: https://lkml.kernel.org/r/20240402232334.33167-1-alexey.makhalov@broadcom.com
Signed-off-by: Alexey Makhalov <alexey.makhalov@broadcom.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Acked-by: Ajay Kaher <ajay.kaher@broadcom.com>
Acked-by: Ronak Doshi <ronak.doshi@broadcom.com>
Acked-by: Nick Shi <nick.shi@broadcom.com>
Acked-by: Bryan Tan <bryan-bt.tan@broadcom.com>
Acked-by: Vishnu Dasa <vishnu.dasa@broadcom.com>
Acked-by: Vishal Bhakta <vishal.bhakta@broadcom.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-05 11:21:31 -07:00
Edward Liaw
176517c931 selftests/mm: include strings.h for ffsl
Got a compilation error on Android for ffsl after 91b80cc5b3
("selftests: mm: fix map_hugetlb failure on 64K page size systems")
included vm_util.h.

Link: https://lkml.kernel.org/r/20240329185814.16304-1-edliaw@google.com
Fixes: af605d26a8 ("selftests/mm: merge util.h into vm_util.h")
Signed-off-by: Edward Liaw <edliaw@google.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Mike Rapoport (IBM)" <rppt@kernel.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-05 11:21:30 -07:00
Uladzislau Rezki (Sony)
fc2c22693c mm: vmalloc: fix lockdep warning
A lockdep reports a possible deadlock in the find_vmap_area_exceed_addr_lock()
function:

============================================
WARNING: possible recursive locking detected
6.9.0-rc1-00060-ged3ccc57b108-dirty #6140 Not tainted
--------------------------------------------
drgn/455 is trying to acquire lock:
ffff0000c00131d0 (&vn->busy.lock/1){+.+.}-{2:2}, at: find_vmap_area_exceed_addr_lock+0x64/0x124

but task is already holding lock:
ffff0000c0011878 (&vn->busy.lock/1){+.+.}-{2:2}, at: find_vmap_area_exceed_addr_lock+0x64/0x124

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&vn->busy.lock/1);
  lock(&vn->busy.lock/1);

 *** DEADLOCK ***

indeed it can happen if the find_vmap_area_exceed_addr_lock() gets called
concurrently because it tries to acquire two nodes locks.  It was done to
prevent removing a lowest VA found on a previous step.

To address this a lowest VA is found first without holding a node lock
where it resides.  As a last step we check if a VA still there because it
can go away, if removed, proceed with next lowest.

[akpm@linux-foundation.org: fix comment typos, per Baoquan]
Link: https://lkml.kernel.org/r/20240328140330.4747-1-urezki@gmail.com
Fixes: 53becf32ae ("mm: vmalloc: support multiple nodes in vread_iter")
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Tested-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Omar Sandoval <osandov@fb.com>
Reported-by: Jens Axboe <axboe@kernel.dk>
Cc: Baoquan He <bhe@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-05 11:21:30 -07:00
Uladzislau Rezki (Sony)
4ed91fa917 mm: vmalloc: bail out early in find_vmap_area() if vmap is not init
During the boot the s390 system triggers "spinlock bad magic" messages
if the spinlock debugging is enabled:

[    0.465445] BUG: spinlock bad magic on CPU#0, swapper/0
[    0.465490]  lock: single+0x1860/0x1958, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
[    0.466067] CPU: 0 PID: 0 Comm: swapper Not tainted 6.8.0-12955-g8e938e398669 #1
[    0.466188] Hardware name: QEMU 8561 QEMU (KVM/Linux)
[    0.466270] Call Trace:
[    0.466470]  [<00000000011f26c8>] dump_stack_lvl+0x98/0xd8
[    0.466516]  [<00000000001dcc6a>] do_raw_spin_lock+0x8a/0x108
[    0.466545]  [<000000000042146c>] find_vmap_area+0x6c/0x108
[    0.466572]  [<000000000042175a>] find_vm_area+0x22/0x40
[    0.466597]  [<000000000012f152>] __set_memory+0x132/0x150
[    0.466624]  [<0000000001cc0398>] vmem_map_init+0x40/0x118
[    0.466651]  [<0000000001cc0092>] paging_init+0x22/0x68
[    0.466677]  [<0000000001cbbed2>] setup_arch+0x52a/0x708
[    0.466702]  [<0000000001cb6140>] start_kernel+0x80/0x5c8
[    0.466727]  [<0000000000100036>] startup_continue+0x36/0x40

it happens because such system tries to access some vmap areas
whereas the vmalloc initialization is not even yet done:

[    0.465490] lock: single+0x1860/0x1958, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
[    0.466067] CPU: 0 PID: 0 Comm: swapper Not tainted 6.8.0-12955-g8e938e398669 #1
[    0.466188] Hardware name: QEMU 8561 QEMU (KVM/Linux)
[    0.466270] Call Trace:
[    0.466470] dump_stack_lvl (lib/dump_stack.c:117)
[    0.466516] do_raw_spin_lock (kernel/locking/spinlock_debug.c:87 kernel/locking/spinlock_debug.c:115)
[    0.466545] find_vmap_area (mm/vmalloc.c:1059 mm/vmalloc.c:2364)
[    0.466572] find_vm_area (mm/vmalloc.c:3150)
[    0.466597] __set_memory (arch/s390/mm/pageattr.c:360 arch/s390/mm/pageattr.c:393)
[    0.466624] vmem_map_init (./arch/s390/include/asm/set_memory.h:55 arch/s390/mm/vmem.c:660)
[    0.466651] paging_init (arch/s390/mm/init.c:97)
[    0.466677] setup_arch (arch/s390/kernel/setup.c:972)
[    0.466702] start_kernel (init/main.c:899)
[    0.466727] startup_continue (arch/s390/kernel/head64.S:35)
[    0.466811] INFO: lockdep is turned off.
...
[    0.718250] vmalloc init - busy lock init 0000000002871860
[    0.718328] vmalloc init - busy lock init 00000000028731b8

Some background. It worked before because the lock that is in question
was statically defined and initialized. As of now, the locks and data
structures are initialized in the vmalloc_init() function.

To address that issue add the check whether the "vmap_initialized"
variable is set, if not find_vmap_area() bails out on entry returning NULL.

Link: https://lkml.kernel.org/r/20240323141544.4150-1-urezki@gmail.com
Fixes: 72210662c5 ("mm: vmalloc: offload free_vmap_area_lock lock")
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Baoquan He <bhe@redhat.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-05 11:21:30 -07:00
John Sperbeck
8434f9aa6b init: open output files from cpio unpacking with O_LARGEFILE
If a member of a cpio archive for an initrd or initrams is larger than
2Gb, we'll eventually fail to write to that file when we get to that
limit, unless O_LARGEFILE is set.

The problem can be seen with this recipe, assuming that BLK_DEV_RAM
is not configured:

cd /tmp
dd if=/dev/zero of=BIGFILE bs=1048576 count=2200
echo BIGFILE | cpio -o -H newc -R root:root > initrd.img
kexec -l /boot/vmlinuz-$(uname -r) --initrd=initrd.img --reuse-cmdline
kexec -e

The console will show 'Initramfs unpacking failed: write error'.  With
the patch, the error is gone.

Link: https://lkml.kernel.org/r/20240323152934.3307391-1-jsperbeck@google.com
Signed-off-by: John Sperbeck <jsperbeck@google.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-05 11:21:30 -07:00
David Hildenbrand
65291dcfcf mm/secretmem: fix GUP-fast succeeding on secretmem folios
folio_is_secretmem() currently relies on secretmem folios being LRU
folios, to save some cycles.

However, folios might reside in a folio batch without the LRU flag set, or
temporarily have their LRU flag cleared.  Consequently, the LRU flag is
unreliable for this purpose.

In particular, this is the case when secretmem_fault() allocates a fresh
page and calls filemap_add_folio()->folio_add_lru().  The folio might be
added to the per-cpu folio batch and won't get the LRU flag set until the
batch was drained using e.g., lru_add_drain().

Consequently, folio_is_secretmem() might not detect secretmem folios and
GUP-fast can succeed in grabbing a secretmem folio, crashing the kernel
when we would later try reading/writing to the folio, because the folio
has been unmapped from the directmap.

Fix it by removing that unreliable check.

Link: https://lkml.kernel.org/r/20240326143210.291116-2-david@redhat.com
Fixes: 1507f51255 ("mm: introduce memfd_secret system call to create "secret" memory areas")
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: xingwei lee <xrivendell7@gmail.com>
Reported-by: yue sun <samsun1006219@gmail.com>
Closes: https://lore.kernel.org/lkml/CABOYnLyevJeravW=QrH0JUPYEcDN160aZFb7kwndm-J2rmz0HQ@mail.gmail.com/
Debugged-by: Miklos Szeredi <miklos@szeredi.hu>
Tested-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-05 11:21:29 -07:00
Rafael J. Wysocki
6f824c9fcc Merge branch 'acpi-thermal'
* acpi-thermal:
  ACPI: thermal: Register thermal zones without valid trip points
2024-04-05 20:17:48 +02:00
Jeff Layton
10396f4df8 nfsd: hold a lighter-weight client reference over CB_RECALL_ANY
Currently the CB_RECALL_ANY job takes a cl_rpc_users reference to the
client. While a callback job is technically an RPC that counter is
really more for client-driven RPCs, and this has the effect of
preventing the client from being unhashed until the callback completes.

If nfsd decides to send a CB_RECALL_ANY just as the client reboots, we
can end up in a situation where the callback can't complete on the (now
dead) callback channel, but the new client can't connect because the old
client can't be unhashed. This usually manifests as a NFS4ERR_DELAY
return on the CREATE_SESSION operation.

The job is only holding a reference to the client so it can clear a flag
after the RPC completes. Fix this by having CB_RECALL_ANY instead hold a
reference to the cl_nfsdfs.cl_ref. Typically we only take that sort of
reference when dealing with the nfsdfs info files, but it should work
appropriately here to ensure that the nfs4_client doesn't disappear.

Fixes: 44df6f439a ("NFSD: add delegation reaper to react to low memory condition")
Reported-by: Vladimir Benes <vbenes@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2024-04-05 14:05:35 -04:00
Linus Torvalds
e8b0ccb2a7 minor 9p cleanups:
- kernel doc fix & removal of unused flag
 - some bogus debug statement for read/write
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Merge tag '9p-for-6.9-rc3' of https://github.com/martinetd/linux

Pull minor 9p cleanups from Dominique Martinet:

 - kernel doc fix & removal of unused flag

 - fix some bogus debug statement for read/write

* tag '9p-for-6.9-rc3' of https://github.com/martinetd/linux:
  9p: remove SLAB_MEM_SPREAD flag usage
  9p: Fix read/write debug statements to report server reply
  9p/trans_fd: remove Excess kernel-doc comment
2024-04-05 10:05:42 -07:00
Linus Torvalds
405ac6a572 3 ksmbd changesets, all also for stable
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Merge tag '6.9-rc2-ksmbd-server-fixes' of git://git.samba.org/ksmbd

Pull smb server fixes from Steve French:
 "Three fixes, all also for stable:

   - encryption fix

   - memory overrun fix

   - oplock break fix"

* tag '6.9-rc2-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
  ksmbd: do not set SMB2_GLOBAL_CAP_ENCRYPTION for SMB 3.1.1
  ksmbd: validate payload size in ipc response
  ksmbd: don't send oplock break if rename fails
2024-04-05 10:02:09 -07:00