Commit Graph

1123555 Commits

Author SHA1 Message Date
Greg Kroah-Hartman
67102bd31b Merge 6.0-rc7 into usb-next
We need the USB fixes in here for other follow-on changes to be able to
be applied successfully.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-09-26 10:38:21 +02:00
Linus Torvalds
f76349cf41 Linux 6.0-rc7 2022-09-25 14:01:02 -07:00
Linus Torvalds
5e049663f6 Ext4 regression and bug fixes:
- Performance regression fix from 5.18 on a Rasberry Pi
 
 - Fix extent parsing bug which triggers a BUG_ON when a (corrupted)
   extent tree has has a non-root node when zero entries.
 
 - Fix a livelock where in the right (wrong) circumstances a large
   number of nfsd threads can try to write to a nearly full file
   system, and retry for hours(!)
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fixes from Ted Ts'o:
 "Regression and bug fixes:

   - Performance regression fix from 5.18 on a Rasberry Pi

   - Fix extent parsing bug which triggers a BUG_ON when a (corrupted)
     extent tree has has a non-root node when zero entries.

   - Fix a livelock where in the right (wrong) circumstances a large
     number of nfsd threads can try to write to a nearly full file
     system, and retry for hours(!)"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: limit the number of retries after discarding preallocations blocks
  ext4: fix bug in extents parsing when eh_entries == 0 and eh_depth > 0
  ext4: use buckets for cr 1 block scan instead of rbtree
  ext4: use locality group preallocation for small closed files
  ext4: make directory inode spreading reflect flexbg size
  ext4: avoid unnecessary spreading of allocations among groups
  ext4: make mballoc try target group first even with mb_optimize_scan
2022-09-25 09:03:31 -07:00
Linus Torvalds
4207d59567 dax-and-nvdimm-fixes-v6.0-final
- Fix a infinite loop bug in fsdax
 
 - Fix memory-type detection for devdax (EINJ regression)
 
 - Small cleanups
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Merge tag 'dax-and-nvdimm-fixes-v6.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull NVDIMM and DAX fixes from Dan Williams:
 "A recently discovered one-line fix for devdax that further addresses a
  v5.5 regression, and (a bit embarrassing) a small batch of fixes that
  have been sitting in my fixes tree for weeks.

  The older fixes have soaked in linux-next during that time and address
  an fsdax infinite loop and some other minor fixups.

   - Fix a infinite loop bug in fsdax

   - Fix memory-type detection for devdax (EINJ regression)

   - Small cleanups"

* tag 'dax-and-nvdimm-fixes-v6.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  devdax: Fix soft-reservation memory description
  fsdax: Fix infinite loop in dax_iomap_rw()
  nvdimm/namespace: drop nested variable in create_namespace_pmem()
  ndtest: Cleanup all of blk namespace specific code
  pmem: fix a name collision
2022-09-25 08:53:52 -07:00
Linus Torvalds
f0cc7c0008 I2C driver bugfixes for mlxbf and imx, a few documentation fixes after
the rework this cycle, and one hardening for the i2c-mux core
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Merge tag 'i2c-for-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "I2C driver bugfixes for mlxbf and imx, a few documentation fixes after
  the rework this cycle, and one hardening for the i2c-mux core"

* tag 'i2c-for-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: mux: harden i2c_mux_alloc() against integer overflows
  i2c: mlxbf: Fix frequency calculation
  i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()
  i2c: mlxbf: incorrect base address passed during io write
  Documentation: i2c: fix references to other documents
  MAINTAINERS: remove Nehal Shah from AMD MP2 I2C DRIVER
  i2c: imx: If pm_runtime_get_sync() returned 1 device access is possible
2022-09-25 08:44:46 -07:00
Dan Williams
b3bbcc5d1d Merge branch 'for-6.0/dax' into libnvdimm-fixes
Pick up another "Soft Reservation" fix for v6.0-final on top of some
straggling nvdimm fixes that missed v5.19.
2022-09-24 18:14:12 -07:00
Dan Williams
67feaba413 devdax: Fix soft-reservation memory description
The "hmem" platform-devices that are created to represent the
platform-advertised "Soft Reserved" memory ranges end up inserting a
resource that causes the iomem_resource tree to look like this:

340000000-43fffffff : hmem.0
  340000000-43fffffff : Soft Reserved
    340000000-43fffffff : dax0.0

This is because insert_resource() reparents ranges when they completely
intersect an existing range.

This matters because code that uses region_intersects() to scan for a
given IORES_DESC will only check that top-level 'hmem.0' resource and
not the 'Soft Reserved' descendant.

So, to support EINJ (via einj_error_inject()) to inject errors into
memory hosted by a dax-device, be sure to describe the memory as
IORES_DESC_SOFT_RESERVED. This is a follow-on to:

commit b13a3e5fd4 ("ACPI: APEI: Fix _EINJ vs EFI_MEMORY_SP")

...that fixed EINJ support for "Soft Reserved" ranges in the first
instance.

Fixes: 262b45ae3a ("x86/efi: EFI soft reservation to E820 enumeration")
Reported-by: Ricardo Sandoval Torres <ricardo.sandoval.torres@intel.com>
Tested-by: Ricardo Sandoval Torres <ricardo.sandoval.torres@intel.com>
Cc: <stable@vger.kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Omar Avelar <omar.avelar@intel.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Mark Gross <markgross@kernel.org>
Link: https://lore.kernel.org/r/166397075670.389916.7435722208896316387.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2022-09-24 18:05:53 -07:00
Linus Torvalds
105a36f369 Kbuild fixes for v6.0 (3rd)
- Fix build error for the combination of CONFIG_SYSTEM_TRUSTED_KEYRING=y
    and CONFIG_X509_CERTIFICATE_PARSER=m
 
  - Fix CONFIG_DEBUG_INFO_SPLIT to generate debug info for GCC 11+ and Clang 12+
 
  - Revive debug info for assembly files
 
  - Remove unused code
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Merge tag 'kbuild-fixes-v6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix build error for the combination of SYSTEM_TRUSTED_KEYRING=y and
   X509_CERTIFICATE_PARSER=m

 - Fix DEBUG_INFO_SPLIT to generate debug info for GCC 11+ and Clang 12+

 - Revive debug info for assembly files

 - Remove unused code

* tag 'kbuild-fixes-v6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  Makefile.debug: re-enable debug info for .S files
  Makefile.debug: set -g unconditional on CONFIG_DEBUG_INFO_SPLIT
  certs: make system keyring depend on built-in x509 parser
  Kconfig: remove unused function 'menu_get_root_menu'
  scripts/clang-tools: remove unused module
2022-09-24 17:41:17 -07:00
Linus Torvalds
23b99237f8 s390 updates for v6.0-rc7
- Fix potential hangs in VFIO AP driver.
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Merge tag 's390-6.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fix from Vasily Gorbik:

 - Fix potential hangs in VFIO AP driver

* tag 's390-6.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/vfio-ap: bypass unnecessary processing of AP resources
2022-09-24 17:35:42 -07:00
Linus Torvalds
42f9508b3b Power management fixes for 6.0-rc7
- Fix uninitialized variable usage in dev_pm_opp_config_clks_simple()
    (Christophe JAILLET).
 
  - Add missing OPP DT properties (Rob Herring).
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Merge tag 'pm-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix an uninitialized variable usage in the operating performance
  points code and add missing DT bindings for it.

  Specifics:

   - Fix uninitialized variable usage in dev_pm_opp_config_clks_simple()
     (Christophe JAILLET)

   - Add missing OPP DT properties (Rob Herring)"

* tag 'pm-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  dt-bindings: opp: Add missing (unevaluated|additional)Properties on child nodes
  OPP: Fix an un-initialized variable usage
2022-09-24 08:53:57 -07:00
Linus Torvalds
1a61b82856 Char/Misc driver fixes for 6.0-rc7
Here are 3 tiny driver fixes for 6.0-rc7.  They include:
 	- phy driver reset bugfix
 	- fpga memleak bugfix
 	- counter irq config bugfix
 
 The first 2 have been in linux-next for a while, the last one has only
 been added to my tree in the past few days, but was in linux-next under
 a different commit id.  I couldn't pull directly from the counter tree
 due to some gpg key propagation issue, so I took the commit directly
 from email instead.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are three tiny driver fixes for 6.0-rc7.  They include:

   - phy driver reset bugfix

   - fpga memleak bugfix

   - counter irq config bugfix

  The first two have been in linux-next for a while, the last one has
  only been added to my tree in the past few days, but was in linux-next
  under a different commit id. I couldn't pull directly from the counter
  tree due to some gpg key propagation issue, so I took the commit
  directly from email instead"

* tag 'char-misc-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  counter: 104-quad-8: Fix skipped IRQ lines during events configuration
  fpga: m10bmc-sec: Fix possible memory leak of flash_buf
  phy: marvell: phy-mvebu-a3700-comphy: Remove broken reset support
2022-09-24 08:46:07 -07:00
Linus Torvalds
7e2cd21e02 TTY/Serial driver fixes for 6.0-rc7
Here are some small, and late, serial driver fixes for 6.0-rc7 to
 resolve some reported problems.
 
 Included in here are:
 	- tegra icount accounting fixes, including a framework function
 	  that other drivers will be converted over to using in 6.1-rc1.
 	- fsl_lpuart reset bugfix
 	- 8250 omap 485 bugfix
 	- sifive serial clock bugfix
 
 The last 3 patches have not shown up in linux-next due to them being
 added to my tree only 2 days ago, but they are tiny and self-contained
 and the developers say they resolve issues that they have with 6.0-rc.
 The other 3 have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are some small, and late, serial driver fixes for 6.0-rc7 to
  resolve some reported problems.

  Included in here are:

   - tegra icount accounting fixes, including a framework function that
     other drivers will be converted over to using in 6.1-rc1.

   - fsl_lpuart reset bugfix

   - 8250 omap 485 bugfix

   - sifive serial clock bugfix

  The last three patches have not shown up in linux-next due to them
  being added to my tree only 2 days ago, but they are tiny and
  self-contained and the developers say they resolve issues that they
  have with 6.0-rc. The other three have been in linux-next for a while
  with no reported issues"

* tag 'tty-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: sifive: enable clocks for UART when probed
  serial: 8250: omap: Use serial8250_em485_supported
  serial: fsl_lpuart: Reset prior to registration
  serial: tegra-tcu: Use uart_xmit_advance(), fixes icount.tx accounting
  serial: tegra: Use uart_xmit_advance(), fixes icount.tx accounting
  serial: Create uart_xmit_advance()
2022-09-24 08:42:55 -07:00
Linus Torvalds
1772094f12 Cgroup fixes for v6.0-rc6
* Add Waiman Long as a cpuset maintainer.
 
 * cgroup_get_from_id() could be fed a kernfs ID which doesn't point to a
   cgroup directory but a knob file and then crash. Error out if the lookup
   kernfs_node isn't a directory.
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Merge tag 'cgroup-for-6.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup fixes from Tejun Heo:

 - Add Waiman Long as a cpuset maintainer

 - cgroup_get_from_id() could be fed a kernfs ID which doesn't point to
   a cgroup directory but a knob file and then crash. Error out if the
   lookup kernfs_node isn't a directory.

* tag 'cgroup-for-6.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: cgroup_get_from_id() must check the looked-up kn is a directory
  cpuset: Add Waiman Long as a cpuset maintainer
2022-09-24 08:36:10 -07:00
Linus Torvalds
aae8dda519 Workqueue fixes for v6.0-rc6
Just one patch to improve flush lockdep coverage.
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Merge tag 'wq-for-6.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue fix from Tejun Heo:
 "Just one patch to improve flush lockdep coverage"

* tag 'wq-for-6.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: don't skip lockdep work dependency in cancel_work_sync()
2022-09-24 08:32:59 -07:00
Linus Torvalds
3db61221f4 io_uring-6.0-2022-09-23
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Merge tag 'io_uring-6.0-2022-09-23' of git://git.kernel.dk/linux

Pull io_uring fix from Jens Axboe:
 "Just a single fix for an issue with un-reaped IOPOLL requests on ring
  exit"

* tag 'io_uring-6.0-2022-09-23' of git://git.kernel.dk/linux:
  io_uring: ensure that cached task references are always put on exit
2022-09-24 08:27:08 -07:00
Linus Torvalds
0be27f7be2 block-6.0-2022-09-22
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Merge tag 'block-6.0-2022-09-22' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "Fix a regression that's been plaguing us by reverting the offending
  commit, as attempts to both reproduce the issue and fix it in a saner
  fashion have failed.

  Fix for a potential oops condition in the s390 dasd block driver"

* tag 'block-6.0-2022-09-22' of git://git.kernel.dk/linux:
  Revert "block: freeze the queue earlier in del_gendisk"
  s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup
2022-09-24 08:22:53 -07:00
Nick Desaulniers
32ef9e5054 Makefile.debug: re-enable debug info for .S files
Alexey reported that the fraction of unknown filename instances in
kallsyms grew from ~0.3% to ~10% recently; Bill and Greg tracked it down
to assembler defined symbols, which regressed as a result of:

commit b8a9092330 ("Kbuild: do not emit debug info for assembly with LLVM_IAS=1")

In that commit, I allude to restoring debug info for assembler defined
symbols in a follow up patch, but it seems I forgot to do so in

commit a66049e2cf ("Kbuild: make DWARF version a choice")

Link: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=31bf18645d98b4d3d7357353be840e320649a67d
Fixes: b8a9092330 ("Kbuild: do not emit debug info for assembly with LLVM_IAS=1")
Reported-by: Alexey Alexandrov <aalexand@google.com>
Reported-by: Bill Wendling <morbo@google.com>
Reported-by: Greg Thelen <gthelen@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-09-24 11:19:19 +09:00
Nick Desaulniers
61f2b7c749 Makefile.debug: set -g unconditional on CONFIG_DEBUG_INFO_SPLIT
Dmitrii, Fangrui, and Mashahiro note:

  Before GCC 11 and Clang 12 -gsplit-dwarf implicitly uses -g2.

Fix CONFIG_DEBUG_INFO_SPLIT for gcc-11+ & clang-12+ which now need -g
specified in order for -gsplit-dwarf to work at all.

-gsplit-dwarf has been mutually exclusive with -g since support for
CONFIG_DEBUG_INFO_SPLIT was introduced in
commit 866ced950b ("kbuild: Support split debug info v4")
I don't think it ever needed to be.

Link: https://lore.kernel.org/lkml/20220815013317.26121-1-dmitrii.bundin.a@gmail.com/
Link: https://lore.kernel.org/lkml/CAK7LNARPAmsJD5XKAw7m_X2g7Fi-CAAsWDQiP7+ANBjkg7R7ng@mail.gmail.com/
Link: https://reviews.llvm.org/D80391
Cc: Andi Kleen <ak@linux.intel.com>
Reported-by: Dmitrii Bundin <dmitrii.bundin.a@gmail.com>
Reported-by: Fangrui Song <maskray@google.com>
Reported-by: Masahiro Yamada <masahiroy@kernel.org>
Suggested-by: Dmitrii Bundin <dmitrii.bundin.a@gmail.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-09-24 11:12:54 +09:00
Jens Axboe
e775f93f2a io_uring: ensure that cached task references are always put on exit
io_uring caches task references to avoid doing atomics for each of them
per request. If a request is put from the same task that allocated it,
then we can maintain a per-ctx cache of them. This obviously relies
on io_uring always pruning caches in a reliable way, and there's
currently a case off io_uring fd release where we can miss that.

One example is a ring setup with IOPOLL, which relies on the task
polling for completions, which will free them. However, if such a task
submits a request and then exits or closes the ring without reaping
the completion, then ring release will reap and put. If release happens
from that very same task, the completed request task refs will get
put back into the cache pool. This is problematic, as we're now beyond
the point of pruning caches.

Manually drop these caches after doing an IOPOLL reap. This releases
references from the current task, which is enough. If another task
happens to be doing the release, then the caching will not be
triggered and there's no issue.

Cc: stable@vger.kernel.org
Fixes: e98e49b2bb ("io_uring: extend task put optimisations")
Reported-by: Homin Rhee <hominlab@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-23 18:51:08 -06:00
Linus Torvalds
a63f2e7cb1 arm64 fixes for -rc7
- Fix false positive "sleeping while atomic" warning resulting from
   the kPTI rework taking a mutex too early.
 
 - Fix possible overflow in AMU frequency calculation
 
 - Fix incorrect shift in CMN PMU driver which causes problems with
   newer versions of the IP
 
 - Reduce alignment of the CFI jump table to avoid huge kernel images
   and link errors with !4KiB page size configurations
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "These are all very simple and self-contained, although the CFI
  jump-table fix touches the generic linker script as that's where the
  problematic macro lives.

   - Fix false positive "sleeping while atomic" warning resulting from
     the kPTI rework taking a mutex too early.

   - Fix possible overflow in AMU frequency calculation

   - Fix incorrect shift in CMN PMU driver which causes problems with
     newer versions of the IP

   - Reduce alignment of the CFI jump table to avoid huge kernel images
     and link errors with !4KiB page size configurations"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  vmlinux.lds.h: CFI: Reduce alignment of jump-table to function alignment
  perf/arm-cmn: Add more bits to child node address offset field
  arm64: topology: fix possible overflow in amu_fie_setup()
  arm64: mm: don't acquire mutex when rewriting swapper
2022-09-23 15:28:51 -07:00
Masahiro Yamada
2154aca214 certs: make system keyring depend on built-in x509 parser
Commit e90886291c ("certs: make system keyring depend on x509 parser")
is not the right fix because x509_load_certificate_list() can be modular.

The combination of CONFIG_SYSTEM_TRUSTED_KEYRING=y and
CONFIG_X509_CERTIFICATE_PARSER=m still results in the following error:

    LD      .tmp_vmlinux.kallsyms1
  ld: certs/system_keyring.o: in function `load_system_certificate_list':
  system_keyring.c:(.init.text+0x8c): undefined reference to `x509_load_certificate_list'
  make: *** [Makefile:1169: vmlinux] Error 1

Fixes: e90886291c ("certs: make system keyring depend on x509 parser")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Adam Borowski <kilobyte@angband.pl>
2022-09-24 04:31:18 +09:00
Zeng Heng
03764b30a4 Kconfig: remove unused function 'menu_get_root_menu'
There is nowhere calling `menu_get_root_menu` function,
so remove it.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-09-24 04:30:30 +09:00
yangxingwu
237fe72749 scripts/clang-tools: remove unused module
Remove unused imported 'os' module.

Signed-off-by: yangxingwu <xingwu.yang@gmail.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-09-24 04:30:06 +09:00
Ming Lei
df02452f3d cgroup: cgroup_get_from_id() must check the looked-up kn is a directory
cgroup has to be one kernfs dir, otherwise kernel panic is caused,
especially cgroup id is provide from userspace.

Reported-by: Marco Patalano <mpatalan@redhat.com>
Fixes: 6b658c4863 ("scsi: cgroup: Add cgroup_get_from_id()")
Cc: Muneendra <muneendra.kumar@broadcom.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Cc: stable@vger.kernel.org # v5.14+
Signed-off-by: Tejun Heo <tj@kernel.org>
2022-09-23 07:18:45 -10:00
Linus Torvalds
1707c39ae3 Driver core fixes for 6.0-rc7
Here are two tiny driver core fixes for 6.0-rc7 that resolve some
 oft-reported problems.
 
 The first is a revert of the "fw_devlink.strict=1" default option that
 we keep trying to enable, but we keep finding platforms that this just
 breaks everything on.  So again, we need it reverted and hopefully it
 can be worked on in future releases.
 
 The second is a sysfs file-size bugfix that resolves an issue that many
 people are starting to hit as the fix it is fixing also was backported
 to stable kernels.  The util-linux developers are starting to get
 bugreports about sysfs files that contain no data because of this
 problem, and this fix which has been in linux-next in the bitfield tree
 for a long time, resolves it.  I'm submitting it here as it needs to be
 merged for 6.0-final, not for 6.1-rc1.
 
 Both of these have been in linux-next with no reported issues, only
 reports were that these fixed problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two tiny driver core fixes for 6.0-rc7 that resolve some
  oft-reported problems.

  The first is a revert of the "fw_devlink.strict=1" default option that
  we keep trying to enable, but we keep finding platforms that this just
  breaks everything on. So again, we need it reverted and hopefully it
  can be worked on in future releases.

  The second is a sysfs file-size bugfix that resolves an issue that
  many people are starting to hit as the fix it is fixing also was
  backported to stable kernels. The util-linux developers are starting
  to get bugreports about sysfs files that contain no data because of
  this problem, and this fix which has been in linux-next in the
  bitfield tree for a long time, resolves it. I'm submitting it here as
  it needs to be merged for 6.0-final, not for 6.1-rc1.

  Both of these have been in linux-next with no reported issues, only
  reports were that these fixed problems"

* tag 'driver-core-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  drivers/base: Fix unsigned comparison to -1 in CPUMAP_FILE_MAX_BYTES
  Revert "driver core: Set fw_devlink.strict=1 by default"
2022-09-23 09:12:18 -07:00
Linus Torvalds
33a4e37ebc USB / Thunderbolt driver fixes and ids for 6.0-rc7
Here are a few small USB and Thunderbolt driver fixes and new device ids
 for 6.0-rc7.
 
 They contain:
 	- new usb-serial driver ids
 	- documentation build warning fix in USB hub code
 	- flexcop-usb long-posted bugfix (the v4l maintainer for this is
 	  MIA so I have finally picked this up as it is a fix for a
 	  reported problem.)
 	- dwc3 64bit DMA bugfix
 	- new thunderbolt device ids
 	- typec build error fix
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt driver fixes and ids from Greg KH:
 "Here are a few small USB and Thunderbolt driver fixes and new device
  ids for 6.0-rc7.

  They contain:

   - new usb-serial driver ids

   - documentation build warning fix in USB hub code

   - flexcop-usb long-posted bugfix (the v4l maintainer for this is MIA
     so I have finally picked this up as it is a fix for a reported
     problem.)

   - dwc3 64bit DMA bugfix

   - new thunderbolt device ids

   - typec build error fix

  All of these have been in linux-next with no reported issues"

* tag 'usb-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: typec: anx7411: Fix build error without CONFIG_POWER_SUPPLY
  media: flexcop-usb: fix endpoint type check
  USB: serial: option: add Quectel RM520N
  USB: serial: option: add Quectel BG95 0x0203 composition
  thunderbolt: Add support for Intel Maple Ridge single port controller
  usb: dwc3: core: leave default DMA if the controller does not support 64-bit DMA
  USB: core: Fix RST error in hub.c
2022-09-23 09:07:08 -07:00
Linus Torvalds
9395cd7cef Landlock fix for v6.0-rc7
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Merge tag 'landlock-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

Pull landlock fix from Mickaël Salaün:
 "Fix out-of-tree builds for Landlock tests"

* tag 'landlock-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
  selftests/landlock: Fix out-of-tree builds
2022-09-23 08:59:16 -07:00
Linus Torvalds
a7b7751aeb RISC-V Fixes for 6.0-rc7
* A handful of build fixes for the T-Head errata, including some
   functional issues the compilers found.
 * A fix for a nasty sigreturn bug.
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Merge tag 'riscv-for-linus-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - A handful of build fixes for the T-Head errata, including some
   functional issues the compilers found

 - A fix for a nasty sigreturn bug

* tag 'riscv-for-linus-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  RISC-V: Avoid coupling the T-Head CMOs and Zicbom
  riscv: fix a nasty sigreturn bug...
  riscv: make t-head erratas depend on MMU
  riscv: fix RISCV_ISA_SVPBMT kconfig dependency warning
  RISC-V: Clean up the Zicbom block size probing
2022-09-23 08:51:05 -07:00
Linus Torvalds
317fab7ec5 ARM:
* Fix for kmemleak with pKVM
 
 s390:
 
 * Fixes for VFIO with zPCI
 
 * smatch fix
 
 x86:
 
 * Ensure XSAVE-capable hosts always allow  FP and SSE state to be saved
   and restored via KVM_{GET,SET}_XSAVE
 
 * Fix broken max_mmu_rmap_size stat
 
 * Fix compile error with old glibc that doesn't have gettid()
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "As everyone back came back from conferences, here are the pending
  patches for Linux 6.0.

  ARM:

   - Fix for kmemleak with pKVM

  s390:

   - Fixes for VFIO with zPCI

   - smatch fix

  x86:

   - Ensure XSAVE-capable hosts always allow FP and SSE state to be
     saved and restored via KVM_{GET,SET}_XSAVE

   - Fix broken max_mmu_rmap_size stat

   - Fix compile error with old glibc that doesn't have gettid()"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: Inject #UD on emulated XSETBV if XSAVES isn't enabled
  KVM: x86: Always enable legacy FP/SSE in allowed user XFEATURES
  KVM: x86: Reinstate kvm_vcpu_arch.guest_supported_xcr0
  KVM: x86/mmu: add missing update to max_mmu_rmap_size
  selftests: kvm: Fix a compile error in selftests/kvm/rseq_test.c
  KVM: s390: pci: register pci hooks without interpretation
  KVM: s390: pci: fix GAIT physical vs virtual pointers usage
  KVM: s390: Pass initialized arg even if unused
  KVM: s390: pci: fix plain integer as NULL pointer warnings
  KVM: arm64: Use kmemleak_free_part_phys() to unregister hyp_mem_base
2022-09-23 08:42:30 -07:00
Linus Torvalds
526e826285 xen: branch for v6.0-rc7
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Merge tag 'for-linus-6.0-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fix from Juergen Gross:
 "A single fix for an issue in the xenbus driver (initialization of
  multi-page rings for Xen PV devices)"

* tag 'for-linus-6.0-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/xenbus: fix xenbus_setup_ring()
2022-09-23 08:31:24 -07:00
Linus Torvalds
22565ae784 drm fixes for v6.0-rc7
i915:
 - avoid a general protection failure when using perf/OA
 - avoid kernel warnings on driver release
 
 amdgpu:
 - SDMA 6.x fix
 - GPUVM TF fix
 - DCN 3.2.x fixes
 - DCN 3.1.x fixes
 - SMU 13.x fixes
 - Clang stack size fixes for recently enabled DML code
 - Fix drm dirty callback change on non-atomic cases
 - USB4 display fix
 
 mediatek:
 - dsi: Add atomic {destroy,duplicate}_state, reset callbacks
 - dsi: Move mtk_dsi_stop() call back to mtk_dsi_poweroff()
 - Fix wrong dither settings
 
 hisilicon:
 - Depend on MMU
 
 mgag200:
 - Fix console on G200ER
 
 panel:
 - Fix innolux_g121i1_l01 bus format
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Merge tag 'drm-fixes-2022-09-23-1' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Regular fixes for the week, i915, mediatek, hisilicon, mgag200 and
  panel have some small fixes.

  amdgpu has more stack size fixes for clang build, and fixes for new
  IPs, but all with low regression chances since they are for stuff new
  in v6.0.

  i915:
   - avoid a general protection failure when using perf/OA
   - avoid kernel warnings on driver release

  amdgpu:
   - SDMA 6.x fix
   - GPUVM TF fix
   - DCN 3.2.x fixes
   - DCN 3.1.x fixes
   - SMU 13.x fixes
   - Clang stack size fixes for recently enabled DML code
   - Fix drm dirty callback change on non-atomic cases
   - USB4 display fix

  mediatek:
   - dsi: Add atomic {destroy,duplicate}_state, reset callbacks
   - dsi: Move mtk_dsi_stop() call back to mtk_dsi_poweroff()
   - Fix wrong dither settings

  hisilicon:
   - Depend on MMU

  mgag200:
   - Fix console on G200ER

  panel:
   - Fix innolux_g121i1_l01 bus format"

* tag 'drm-fixes-2022-09-23-1' of git://anongit.freedesktop.org/drm/drm: (30 commits)
  MAINTAINERS: switch graphics to airlied other addresses
  drm/mediatek: dsi: Move mtk_dsi_stop() call back to mtk_dsi_poweroff()
  drm/amd/display: Reduce number of arguments of dml314's CalculateFlipSchedule()
  drm/amd/display: Reduce number of arguments of dml314's CalculateWatermarksAndDRAMSpeedChangeSupport()
  drm/amdgpu: don't register a dirty callback for non-atomic
  drm/amd/pm: drop the pptable related workarounds for SMU 13.0.0
  drm/amd/pm: add support for 3794 pptable for SMU13.0.0
  drm/amd/display: correct num_dsc based on HW cap
  drm/amd/display: Disable OTG WA for the plane_state NULL case on DCN314
  drm/amd/display: Add shift and mask for ICH_RESET_AT_END_OF_LINE
  drm/amd/display: increase dcn315 pstate change latency
  drm/amd/display: Fix DP MST timeslot issue when fallback happened
  drm/amd/display: Display distortion after hotplug 5K tiled display
  drm/amd/display: Update dummy P-state search to use DCN32 DML
  drm/amd/display: skip audio setup when audio stream is enabled
  drm/amd/display: update gamut remap if plane has changed
  drm/amd/display: Assume an LTTPR is always present on fixed_vs links
  drm/amd/display: fix dcn315 memory channel count and width read
  drm/amd/display: Fix double cursor on non-video RGB MPO
  drm/amd/display: Only consider pixle rate div policy for DCN32+
  ...
2022-09-23 08:18:55 -07:00
Paolo Bonzini
69604fe76e More pci fixes
Fix for a code analyser warning
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Merge tag 'kvm-s390-master-6.0-2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

More pci fixes
Fix for a code analyser warning
2022-09-23 10:06:08 -04:00
Will Deacon
13b0566962 vmlinux.lds.h: CFI: Reduce alignment of jump-table to function alignment
Due to undocumented, hysterical raisins on x86, the CFI jump-table
sections in .text are needlessly aligned to PMD_SIZE in the vmlinux
linker script. When compiling a CFI-enabled arm64 kernel with a 64KiB
page-size, a PMD maps 512MiB of virtual memory and so the .text section
increases to a whopping 940MiB and blows the final Image up to 960MiB.
Others report a link failure.

Since the CFI jump-table requires only instruction alignment, reduce the
alignment directives to function alignment for parity with other parts
of the .text section. This reduces the size of the .text section for the
aforementioned 64KiB page size arm64 kernel to 19MiB for a much more
reasonable total Image size of 39MiB.

Cc: Sami Tolvanen <samitolvanen@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: "Mohan Rao .vanimina" <mailtoc.mohanrao@gmail.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/all/CAL_GTzigiNOMYkOPX1KDnagPhJtFNqSK=1USNbS0wUL4PW6-Uw@mail.gmail.com/
Fixes: cf68fffb66 ("add support for Clang CFI")
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220922215715.13345-1-will@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
2022-09-23 13:39:01 +01:00
Dave Airlie
8288206c27 MAINTAINERS: switch graphics to airlied other addresses
My linux.ie address is in a bad place.
also add dri-devel for agpgart.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2022-09-23 15:38:06 +10:00
Dave Airlie
3b38b65ed0 Short summary of fixes pull
* drm/hisilicon: Depend on MMU
  * drm/mgag200: Fix console on G200ER
  * drm/panel: Fix innolux_g121i1_l01 bus format
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Merge tag 'drm-misc-fixes-2022-09-22' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Short summary of fixes pull

 * drm/hisilicon: Depend on MMU
 * drm/mgag200: Fix console on G200ER
 * drm/panel: Fix innolux_g121i1_l01 bus format

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

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YyxtXS588at6S4wg@linux-uq9g
2022-09-23 13:18:26 +10:00
Dave Airlie
73646baf68 Mediatek DRM Fixes for Linux 6.0
1. dsi: Add atomic {destroy,duplicate}_state, reset callbacks
 2. drm/mediatek: Fix wrong dither settings
 3. dsi: Move mtk_dsi_stop() call back to mtk_dsi_poweroff()
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Merge tag 'mediatek-drm-fixes-6.0' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes

Mediatek DRM Fixes for Linux 6.0

1. dsi: Add atomic {destroy,duplicate}_state, reset callbacks
2. drm/mediatek: Fix wrong dither settings
3. dsi: Move mtk_dsi_stop() call back to mtk_dsi_poweroff()

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

From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220921235624.23580-1-chunkuang.hu@kernel.org
2022-09-23 13:15:34 +10:00
Dave Airlie
387df878fd Merge tag 'amd-drm-fixes-6.0-2022-09-21' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.0-2022-09-21:

amdgpu:
- SDMA 6.x fix
- GPUVM TF fix
- DCN 3.2.x fixes
- DCN 3.1.x fixes
- SMU 13.x fixes
- Clang stack size fixes for recently enabled DML code
- Fix drm dirty callback change on non-atomic cases
- USB4 display fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220921220605.6136-1-alexander.deucher@amd.com
2022-09-23 11:12:07 +10:00
Linus Torvalds
bf682942cd SCSI fixes on 20220922
Three small and pretty obvious fixes, all in drivers.
 
 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:
 "Three small and pretty obvious fixes, all in drivers"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: mpt3sas: Fix return value check of dma_get_required_mask()
  scsi: qla2xxx: Fix memory leak in __qlt_24xx_handle_abts()
  scsi: qedf: Fix a UAF bug in __qedf_probe()
2022-09-22 14:43:55 -07:00
Linus Torvalds
3c0f396a38 slab fixes for 6.0-rc7
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Merge tag 'slab-for-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab fixes from Vlastimil Babka:

 - Fix a possible use-after-free in SLUB's kmem_cache removal,
   introduced in this cycle, by Feng Tang.

 - WQ_MEM_RECLAIM dependency fix for the workqueue-based cpu slab
   flushing introduced in 5.15, by Maurizio Lombardi.

 - Add missing KASAN hooks in two kmalloc entry paths, by Peter
   Collingbourne.

 - A BUG_ON() removal in SLUB's kmem_cache creation when allocation
   fails (too small to possibly happen in practice, syzbot used fault
   injection), by Chao Yu.

* tag 'slab-for-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context.
  mm/slab_common: fix possible double free of kmem_cache
  kasan: call kasan_malloc() from __kmalloc_*track_caller()
  mm/slub: fix to return errno if kmalloc() fails
2022-09-22 14:37:58 -07:00
Sean Christopherson
50b2d49baf KVM: x86: Inject #UD on emulated XSETBV if XSAVES isn't enabled
Inject #UD when emulating XSETBV if CR4.OSXSAVE is not set.  This also
covers the "XSAVE not supported" check, as setting CR4.OSXSAVE=1 #GPs if
XSAVE is not supported (and userspace gets to keep the pieces if it
forces incoherent vCPU state).

Add a comment to kvm_emulate_xsetbv() to call out that the CPU checks
CR4.OSXSAVE before checking for intercepts.  AMD'S APM implies that #UD
has priority (says that intercepts are checked before #GP exceptions),
while Intel's SDM says nothing about interception priority.  However,
testing on hardware shows that both AMD and Intel CPUs prioritize the #UD
over interception.

Fixes: 02d4160fbd ("x86: KVM: add xsetbv to the emulator")
Cc: stable@vger.kernel.org
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220824033057.3576315-4-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-22 17:04:20 -04:00
Dr. David Alan Gilbert
a1020a25e6 KVM: x86: Always enable legacy FP/SSE in allowed user XFEATURES
Allow FP and SSE state to be saved and restored via KVM_{G,SET}_XSAVE on
XSAVE-capable hosts even if their bits are not exposed to the guest via
XCR0.

Failing to allow FP+SSE first showed up as a QEMU live migration failure,
where migrating a VM from a pre-XSAVE host, e.g. Nehalem, to an XSAVE
host failed due to KVM rejecting KVM_SET_XSAVE.  However, the bug also
causes problems even when migrating between XSAVE-capable hosts as
KVM_GET_SAVE won't set any bits in user_xfeatures if XSAVE isn't exposed
to the guest, i.e. KVM will fail to actually migrate FP+SSE.

Because KVM_{G,S}ET_XSAVE are designed to allowing migrating between
hosts with and without XSAVE, KVM_GET_XSAVE on a non-XSAVE (by way of
fpu_copy_guest_fpstate_to_uabi()) always sets the FP+SSE bits in the
header so that KVM_SET_XSAVE will work even if the new host supports
XSAVE.

Fixes: ad856280dd ("x86/kvm/fpu: Limit guest user_xfeatures to supported bits of XCR0")
bz: https://bugzilla.redhat.com/show_bug.cgi?id=2079311
Cc: stable@vger.kernel.org
Cc: Leonardo Bras <leobras@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
[sean: add comment, massage changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220824033057.3576315-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-22 17:04:19 -04:00
Sean Christopherson
ee519b3a2a KVM: x86: Reinstate kvm_vcpu_arch.guest_supported_xcr0
Reinstate the per-vCPU guest_supported_xcr0 by partially reverting
commit 988896bb6182; the implicit assessment that guest_supported_xcr0 is
always the same as guest_fpu.fpstate->user_xfeatures was incorrect.

kvm_vcpu_after_set_cpuid() isn't the only place that sets user_xfeatures,
as user_xfeatures is set to fpu_user_cfg.default_features when guest_fpu
is allocated via fpu_alloc_guest_fpstate() => __fpstate_reset().
guest_supported_xcr0 on the other hand is zero-allocated.  If userspace
never invokes KVM_SET_CPUID2, supported XCR0 will be '0', whereas the
allowed user XFEATURES will be non-zero.

Practically speaking, the edge case likely doesn't matter as no sane
userspace will live migrate a VM without ever doing KVM_SET_CPUID2. The
primary motivation is to prepare for KVM intentionally and explicitly
setting bits in user_xfeatures that are not set in guest_supported_xcr0.

Because KVM_{G,S}ET_XSAVE can be used to svae/restore FP+SSE state even
if the host doesn't support XSAVE, KVM needs to set the FP+SSE bits in
user_xfeatures even if they're not allowed in XCR0, e.g. because XCR0
isn't exposed to the guest.  At that point, the simplest fix is to track
the two things separately (allowed save/restore vs. allowed XCR0).

Fixes: 988896bb61 ("x86/kvm/fpu: Remove kvm_vcpu_arch.guest_supported_xcr0")
Cc: stable@vger.kernel.org
Cc: Leonardo Bras <leobras@redhat.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220824033057.3576315-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-22 17:04:19 -04:00
Miaohe Lin
604f533262 KVM: x86/mmu: add missing update to max_mmu_rmap_size
The update to statistic max_mmu_rmap_size is unintentionally removed by
commit 4293ddb788 ("KVM: x86/mmu: Remove redundant spte present check
in mmu_set_spte"). Add missing update to it or max_mmu_rmap_size will
always be nonsensical 0.

Fixes: 4293ddb788 ("KVM: x86/mmu: Remove redundant spte present check in mmu_set_spte")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Message-Id: <20220907080657.42898-1-linmiaohe@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-22 17:03:20 -04:00
Jinrong Liang
561cafebb2 selftests: kvm: Fix a compile error in selftests/kvm/rseq_test.c
The following warning appears when executing:
	make -C tools/testing/selftests/kvm

rseq_test.c: In function ‘main’:
rseq_test.c:237:33: warning: implicit declaration of function ‘gettid’; did you mean ‘getgid’? [-Wimplicit-function-declaration]
          (void *)(unsigned long)gettid());
                                 ^~~~~~
                                 getgid
/usr/bin/ld: /tmp/ccr5mMko.o: in function `main':
../kvm/tools/testing/selftests/kvm/rseq_test.c:237: undefined reference to `gettid'
collect2: error: ld returned 1 exit status
make: *** [../lib.mk:173: ../kvm/tools/testing/selftests/kvm/rseq_test] Error 1

Use the more compatible syscall(SYS_gettid) instead of gettid() to fix it.
More subsequent reuse may cause it to be wrapped in a lib file.

Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
Message-Id: <20220802071240.84626-1-cloudliang@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-22 17:02:20 -04:00
Paolo Bonzini
b4ac28a32f KVM/arm64 fixes for 6.0, take #2
- Fix kmemleak usage in Protected KVM (again)
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Merge tag 'kvmarm-fixes-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.0, take #2

- Fix kmemleak usage in Protected KVM (again)
2022-09-22 17:01:33 -04:00
Maurizio Lombardi
e45cc28872 mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context.
Commit 5a836bf6b0 ("mm: slub: move flush_cpu_slab() invocations
__free_slab() invocations out of IRQ context") moved all flush_cpu_slab()
invocations to the global workqueue to avoid a problem related
with deactivate_slab()/__free_slab() being called from an IRQ context
on PREEMPT_RT kernels.

When the flush_all_cpu_locked() function is called from a task context
it may happen that a workqueue with WQ_MEM_RECLAIM bit set ends up
flushing the global workqueue, this will cause a dependency issue.

 workqueue: WQ_MEM_RECLAIM nvme-delete-wq:nvme_delete_ctrl_work [nvme_core]
   is flushing !WQ_MEM_RECLAIM events:flush_cpu_slab
 WARNING: CPU: 37 PID: 410 at kernel/workqueue.c:2637
   check_flush_dependency+0x10a/0x120
 Workqueue: nvme-delete-wq nvme_delete_ctrl_work [nvme_core]
 RIP: 0010:check_flush_dependency+0x10a/0x120[  453.262125] Call Trace:
 __flush_work.isra.0+0xbf/0x220
 ? __queue_work+0x1dc/0x420
 flush_all_cpus_locked+0xfb/0x120
 __kmem_cache_shutdown+0x2b/0x320
 kmem_cache_destroy+0x49/0x100
 bioset_exit+0x143/0x190
 blk_release_queue+0xb9/0x100
 kobject_cleanup+0x37/0x130
 nvme_fc_ctrl_free+0xc6/0x150 [nvme_fc]
 nvme_free_ctrl+0x1ac/0x2b0 [nvme_core]

Fix this bug by creating a workqueue for the flush operation with
the WQ_MEM_RECLAIM bit set.

Fixes: 5a836bf6b0 ("mm: slub: move flush_cpu_slab() invocations __free_slab() invocations out of IRQ context")
Cc: <stable@vger.kernel.org>
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
2022-09-22 21:48:48 +02:00
Linus Torvalds
c69cf88cda ARM: SoC fixes for 6.0-rc6
Another set of fixes for fixes for the soc tree:
 
  - A fix for the interrupt number on at91/lan966 ethernet PHYs
 
  - A second round of fixes for NXP i.MX series, including a couple
    of build issues, and board specific DT corrections on
    TQMa8MPQL, imx8mp-venice-gw74xx and imx8mm-verdin for reliability
    and partially broken functionality.
 
  - Several fixes for Rockchip SoCs, addressing a USB issue on BPI-R2-Pro,
    wakeup on Gru-Bob and reliability of high-speed SD cards, among
    other minor issues.
 
  - A fix for a long-running naming mistake that prevented the moxart mmc
    driver from working at all.
 
  - Multiple Arm SCMI firmware fixes for hardening some corner cases.
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Merge tag 'soc-fixes-6.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Another set of fixes for fixes for the soc tree:

   - A fix for the interrupt number on at91/lan966 ethernet PHYs

   - A second round of fixes for NXP i.MX series, including a couple of
     build issues, and board specific DT corrections on TQMa8MPQL,
     imx8mp-venice-gw74xx and imx8mm-verdin for reliability and
     partially broken functionality

   - Several fixes for Rockchip SoCs, addressing a USB issue on
     BPI-R2-Pro, wakeup on Gru-Bob and reliability of high-speed SD
     cards, among other minor issues

   - A fix for a long-running naming mistake that prevented the moxart
     mmc driver from working at all

   - Multiple Arm SCMI firmware fixes for hardening some corner cases"

* tag 'soc-fixes-6.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (30 commits)
  arm64: dts: imx8mp-venice-gw74xx: fix port/phy validation
  ARM: dts: lan966x: Fix the interrupt number for internal PHYs
  arm64: dts: imx8mp-venice-gw74xx: fix ksz9477 cpu port
  arm64: dts: imx8mp-venice-gw74xx: fix CAN STBY polarity
  dt-bindings: memory-controllers: fsl,imx8m-ddrc: drop Leonard Crestez
  arm64: dts: tqma8mqml: Include phy-imx8-pcie.h header
  arm64: defconfig: enable ARCH_NXP
  arm64: dts: imx8mp-tqma8mpql-mba8mpxl: add missing pinctrl for RTC alarm
  ARM: dts: fix Moxa SDIO 'compatible', remove 'sdhci' misnomer
  arm64: dts: imx8mm-verdin: extend pmic voltages
  arm64: dts: rockchip: Remove 'enable-active-low' from rk3566-quartz64-a
  arm64: dts: rockchip: Remove 'enable-active-low' from rk3399-puma
  arm64: dts: rockchip: fix property for usb2 phy supply on rk3568-evb1-v10
  arm64: dts: rockchip: fix property for usb2 phy supply on rock-3a
  arm64: dts: imx8ulp: add #reset-cells for pcc
  arm64: dts: tqma8mpxl-ba8mpxl: Fix button GPIOs
  arm64: dts: imx8mn: remove GPU power domain reset
  arm64: dts: rockchip: Set RK3399-Gru PCLK_EDP to 24 MHz
  arm64: dts: imx8mm: Reverse CPLD_Dn GPIO label mapping on MX8Menlo
  arm64: dts: rockchip: fix upper usb port on BPI-R2-Pro
  ...
2022-09-22 11:10:11 -07:00
Linus Torvalds
504c25cb76 Including fixes from wifi, netfilter and can.
A handful of awaited fixes here - revert of the FEC changes,
 bluetooth fix, fixes for iwlwifi spew.
 
 We added a warning in PHY/MDIO code which is triggering on
 a couple of platforms in a false-positive-ish way. If we can't
 iron that out over the week we'll drop it and re-add for 6.1.
 
 I've added a new "follow up fixes" section for fixes to fixes
 in 6.0-rcs but it may actually give the false impression that
 those are problematic or that more testing time would have
 caught them. So likely a one time thing.
 
 Follow up fixes:
 
  - nf_tables_addchain: fix nft_counters_enabled underflow
 
  - ebtables: fix memory leak when blob is malformed
 
  - nf_ct_ftp: fix deadlock when nat rewrite is needed
 
 Current release - regressions:
 
  - Revert "fec: Restart PPS after link state change"
  - Revert "net: fec: Use a spinlock to guard `fep->ptp_clk_on`"
 
  - Bluetooth: fix HCIGETDEVINFO regression
 
  - wifi: mt76: fix 5 GHz connection regression on mt76x0/mt76x2
 
  - mptcp: fix fwd memory accounting on coalesce
 
  - rwlock removal fall out:
    - ipmr: always call ip{,6}_mr_forward() from RCU read-side
      critical section
    - ipv6: fix crash when IPv6 is administratively disabled
 
  - tcp: read multiple skbs in tcp_read_skb()
 
  - mdio_bus_phy_resume state warning fallout:
    - eth: ravb: fix PHY state warning splat during system resume
    - eth: sh_eth: fix PHY state warning splat during system resume
 
 Current release - new code bugs:
 
  - wifi: iwlwifi: don't spam logs with NSS>2 messages
 
  - eth: mtk_eth_soc: enable XDP support just for MT7986 SoC
 
 Previous releases - regressions:
 
  - bonding: fix NULL deref in bond_rr_gen_slave_id
 
  - wifi: iwlwifi: mark IWLMEI as broken
 
 Previous releases - always broken:
 
  - nf_conntrack helpers:
    - irc: tighten matching on DCC message
    - sip: fix ct_sip_walk_headers
    - osf: fix possible bogus match in nf_osf_find()
 
  - ipvlan: fix out-of-bound bugs caused by unset skb->mac_header
 
  - core: fix flow symmetric hash
 
  - bonding, team: unsync device addresses on ndo_stop
 
  - phy: micrel: fix shared interrupt on LAN8814
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from wifi, netfilter and can.

  A handful of awaited fixes here - revert of the FEC changes, bluetooth
  fix, fixes for iwlwifi spew.

  We added a warning in PHY/MDIO code which is triggering on a couple of
  platforms in a false-positive-ish way. If we can't iron that out over
  the week we'll drop it and re-add for 6.1.

  I've added a new "follow up fixes" section for fixes to fixes in
  6.0-rcs but it may actually give the false impression that those are
  problematic or that more testing time would have caught them. So
  likely a one time thing.

  Follow up fixes:

   - nf_tables_addchain: fix nft_counters_enabled underflow

   - ebtables: fix memory leak when blob is malformed

   - nf_ct_ftp: fix deadlock when nat rewrite is needed

  Current release - regressions:

   - Revert "fec: Restart PPS after link state change" and the related
     "net: fec: Use a spinlock to guard `fep->ptp_clk_on`"

   - Bluetooth: fix HCIGETDEVINFO regression

   - wifi: mt76: fix 5 GHz connection regression on mt76x0/mt76x2

   - mptcp: fix fwd memory accounting on coalesce

   - rwlock removal fall out:
      - ipmr: always call ip{,6}_mr_forward() from RCU read-side
        critical section
      - ipv6: fix crash when IPv6 is administratively disabled

   - tcp: read multiple skbs in tcp_read_skb()

   - mdio_bus_phy_resume state warning fallout:
      - eth: ravb: fix PHY state warning splat during system resume
      - eth: sh_eth: fix PHY state warning splat during system resume

  Current release - new code bugs:

   - wifi: iwlwifi: don't spam logs with NSS>2 messages

   - eth: mtk_eth_soc: enable XDP support just for MT7986 SoC

  Previous releases - regressions:

   - bonding: fix NULL deref in bond_rr_gen_slave_id

   - wifi: iwlwifi: mark IWLMEI as broken

  Previous releases - always broken:

   - nf_conntrack helpers:
      - irc: tighten matching on DCC message
      - sip: fix ct_sip_walk_headers
      - osf: fix possible bogus match in nf_osf_find()

   - ipvlan: fix out-of-bound bugs caused by unset skb->mac_header

   - core: fix flow symmetric hash

   - bonding, team: unsync device addresses on ndo_stop

   - phy: micrel: fix shared interrupt on LAN8814"

* tag 'net-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
  selftests: forwarding: add shebang for sch_red.sh
  bnxt: prevent skb UAF after handing over to PTP worker
  net: marvell: Fix refcounting bugs in prestera_port_sfp_bind()
  net: sched: fix possible refcount leak in tc_new_tfilter()
  net: sunhme: Fix packet reception for len < RX_COPY_THRESHOLD
  udp: Use WARN_ON_ONCE() in udp_read_skb()
  selftests: bonding: cause oops in bond_rr_gen_slave_id
  bonding: fix NULL deref in bond_rr_gen_slave_id
  net: phy: micrel: fix shared interrupt on LAN8814
  net/smc: Stop the CLC flow if no link to map buffers on
  ice: Fix ice_xdp_xmit() when XDP TX queue number is not sufficient
  net: atlantic: fix potential memory leak in aq_ndev_close()
  can: gs_usb: gs_usb_set_phys_id(): return with error if identify is not supported
  can: gs_usb: gs_can_open(): fix race dev->can.state condition
  can: flexcan: flexcan_mailbox_read() fix return value for drop = true
  net: sh_eth: Fix PHY state warning splat during system resume
  net: ravb: Fix PHY state warning splat during system resume
  netfilter: nf_ct_ftp: fix deadlock when nat rewrite is needed
  netfilter: ebtables: fix memory leak when blob is malformed
  netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()
  ...
2022-09-22 10:58:13 -07:00
Linus Torvalds
129e715218 EFI fixes (take #2)
- Use the right variable to check for shim insecure mode
 - Wipe setup_data field when booting via EFI
 - Add missing error check to efibc driver
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Merge tag 'efi-urgent-for-v6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI fixes from Ard Biesheuvel:

 - Use the right variable to check for shim insecure mode

 - Wipe setup_data field when booting via EFI

 - Add missing error check to efibc driver

* tag 'efi-urgent-for-v6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: libstub: check Shim mode using MokSBStateRT
  efi: x86: Wipe setup_data on pure EFI boot
  efi: efibc: Guard against allocation failure
2022-09-22 10:27:38 -07:00
Linus Torvalds
5e0a93e427 gpio fixes for v6.0-rc7
- fix a NULL-pointer dereference at driver unbind and a potential
   resource leak in error path in gpio-mockup
 - make the irqchip immutable in gpio-ftgpio010
 - fix dereferencing a potentially uninitialized variable in gpio-tqmx86
 - fix interrupt registering in gpiolib's character device code
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Merge tag 'gpio-fixes-for-v6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - fix a NULL-pointer dereference at driver unbind and a potential
   resource leak in error path in gpio-mockup

 - make the irqchip immutable in gpio-ftgpio010

 - fix dereferencing a potentially uninitialized variable in gpio-tqmx86

 - fix interrupt registering in gpiolib's character device code

* tag 'gpio-fixes-for-v6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpiolib: cdev: Set lineevent_state::irq after IRQ register successfully
  gpio: tqmx86: fix uninitialized variable girq
  gpio: ftgpio010: Make irqchip immutable
  gpio: mockup: Fix potential resource leakage when register a chip
  gpio: mockup: fix NULL pointer dereference when removing debugfs
2022-09-22 10:17:29 -07:00