Commit Graph

1308825 Commits

Author SHA1 Message Date
Kent Overstreet
f8911ad88d bcachefs: Check for accounting keys with bversion=0
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
cf49f8a8c2 bcachefs: rename version -> bversion
give bversions a more distinct name, to aid in grepping

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
fd65378db9 bcachefs: Don't delete unlinked inodes before logged op resume
Previously, check_inode() would delete unlinked inodes if they weren't
on the deleted list - this code dating from before there was a deleted
list.

But, if we crash during a logged op (truncate or finsert/fcollapse) of
an unlinked file, logged op resume will get confused if the inode has
already been deleted - instead, just add it to the deleted list if it
needs to be there; delete_dead_inodes runs after logged op resume.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
8d65b15f8d bcachefs: Fix BCH_SB_ERRS() so we can reorder
BCH_SB_ERRS() has a field for the actual enum val so that we can reorder
to reorganize, but the way BCH_SB_ERR_MAX was defined didn't allow for
this.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
5612daafb7 bcachefs: Fix fsck warnings from bkey validation
__bch2_fsck_err() warns if the current task has a btree_trans object and
it wasn't passed in, because if it has to prompt for user input it has
to be able to unlock it.

But plumbing the btree_trans through bkey_validate(), as well as
transaction restarts, is problematic - so instead make bkey fsck errors
FSCK_AUTOFIX, which doesn't need to warn.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
7c980a43e9 bcachefs: Move transaction commit path validation to as late as possible
In order to check for accounting keys with version=0, we need to run
validation after they've been assigned version numbers.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
431312b59c bcachefs: Fix disk accounting attempting to mark invalid replicas entry
This fixes the following bug, where a disk accounting key has an invalid
replicas entry, and we attempt to add it to the superblock:

bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): starting version 1.12: rebalance_work_acct_fix opts=metadata_replicas=2,data_replicas=2,foreground_target=ssd,background_target=hdd,nopromote_whole_extents,verbose,fsck,fix_errors=yes
bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): recovering from clean shutdown, journal seq 15211644
bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): accounting_read...
accounting not marked in superblock replicas
  replicas cached: 1/1 [0], fixing
bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): sb invalid before write: Invalid superblock section replicas_v0: invalid device 0 in entry cached: 1/1 [0]
replicas_v0 (size 88):
user: 2 [3 5] user: 2 [1 4] cached: 1 [2] btree: 2 [1 2] user: 2 [2 5] cached: 1 [0] cached: 1 [4] journal: 2 [1 5] user: 2 [1 2] user: 2 [2 3] user: 2 [3 4] user: 2 [4 5] cached: 1 [1] cached: 1 [3] cached: 1 [5] journal: 2 [1 2] journal: 2 [2 5] btree: 2 [2 5] user: 2 [1 3] user: 2 [1 5] user: 2 [2 4]

bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): inconsistency detected - emergency read only at journal seq 15211644
accounting not marked in superblock replicas
  replicas user: 1/1 [3], fixing
bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): sb invalid before write: Invalid superblock section replicas_v0: invalid device 0 in entry cached: 1/1 [0]
replicas_v0 (size 96):
user: 2 [3 5] user: 2 [1 3] cached: 1 [2] btree: 2 [1 2] user: 2 [2 4] cached: 1 [0] cached: 1 [4] journal: 2 [1 5] user: 1 [3] user: 2 [1 5] user: 2 [3 4] user: 2 [4 5] cached: 1 [1] cached: 1 [3] cached: 1 [5] journal: 2 [1 2] journal: 2 [2 5] btree: 2 [2 5] user: 2 [1 2] user: 2 [1 4] user: 2 [2 3] user: 2 [2 5]

accounting not marked in superblock replicas
  replicas user: 1/2 [3 7], fixing
bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): sb invalid before write: Invalid superblock section replicas_v0: invalid device 7 in entry user: 1/2 [3 7]
replicas_v0 (size 96):
user: 2 [3 7] user: 2 [1 3] cached: 1 [2] btree: 2 [1 2] user: 2 [2 4] cached: 1 [0] cached: 1 [4] journal: 2 [1 5] user: 1 [3] user: 2 [1 5] user: 2 [3 4] user: 2 [4 5] cached: 1 [1] cached: 1 [3] cached: 1 [5] journal: 2 [1 2] journal: 2 [2 5] btree: 2 [2 5] user: 2 [1 2] user: 2 [1 4] user: 2 [2 3] user: 2 [2 5] user: 2 [3 5]

 done
bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): alloc_read... done
bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): stripes_read... done
bcachefs (3c0860e8-07ca-4276-8954-11c1774be868): snapshots_read... done

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
49fd90b2cc bcachefs: Fix unlocked access to c->disk_sb.sb in bch2_replicas_entry_validate()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
9104fc1928 bcachefs: Fix accounting read + device removal
accounting read was checking if accounting replicas entries were marked
in the superblock prior to applying accounting from the journal,
which meant that a recently removed device could spuriously trigger a
"not marked in superblocked" error (when journal entries zero out the
offending counter).

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
1e0272ef47 bcachefs: bch_accounting_mode
Minor refactoring - replace multiple bool arguments with an enum; prep
work for fixing a bug in accounting read.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
3672bda8f5 bcachefs: fix transaction restart handling in check_extents(), check_dirents()
Dealing with outside state within a btree transaction is always tricky.

check_extents() and check_dirents() have to accumulate counters for
i_sectors and i_nlink (for subdirectories). There were two bugs:

- transaction commit may return a restart; therefore we have to commit
  before accumulating to those counters
- get_inode_all_snapshots() may return a transaction restart, before
  updating w->last_pos; then, on the restart,
  check_i_sectors()/check_subdir_count() would see inodes that were not
  for w->last_pos

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:35 -04:00
Kent Overstreet
22a507d68e bcachefs: kill inode_walker_entry.seen_this_pos
dead code

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Kent Overstreet
b29c30ab48 bcachefs: Fix incorrect IS_ERR_OR_NULL usage
Returning a positive integer instead of an error code causes error paths
to become very confused.

Closes: syzbot+c0360e8367d6d8d04a66@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Hongbo Li
dc5bfdf8ea bcachefs: fix the memory leak in exception case
The pointer clean points the memory allocated by kmemdup, when the
return value of bch2_sb_clean_validate_late is not zero. The memory
pointed by clean is leaked. So we should free it in this case.

Fixes: a37ad1a3ab ("bcachefs: sb-clean.c")
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Hongbo Li
3125c95ea6 bcachefs: fast exit when darray_make_room failed
In downgrade_table_extra, the return value is needed. When it
return failed, we should exit immediately.

Fixes: 7773df19c3 ("bcachefs: metadata version bucket_stripe_sectors")
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Kent Overstreet
951dd86e7c bcachefs: Fix iterator leak in check_subvol()
A couple small error handling fixes

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Kent Overstreet
2a1df87346 bcachefs: Add snapshot to bch_inode_unpacked
this allows for various cleanups in fsck

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Diogo Jahchan Koike
40d40c6bea bcachefs: assign return error when iterating through layout
syzbot reported a null ptr deref in __copy_user [0]

In __bch2_read_super, when a corrupt backup superblock matches the
default opts offset, no error is assigned to ret and the freed superblock
gets through, possibly being assigned as the best sb in bch2_fs_open and
being later dereferenced, causing a fault. Assign EINVALID to ret when
iterating through layout.

[0]: https://syzkaller.appspot.com/bug?extid=18a5c5e8a9c856944876

Reported-by: syzbot+18a5c5e8a9c856944876@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=18a5c5e8a9c856944876
Signed-off-by: Diogo Jahchan Koike <djahchankoike@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Kent Overstreet
c6040447c5 bcachefs: Fix srcu warning in check_topology
check_topology doesn't need the srcu lock and doesn't use normal btree
transactions - we can just drop the srcu lock.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Kent Overstreet
18c520f408 bcachefs: Fix error path in check_dirent_inode_dirent()
fsck_err() jumps to the fsck_err label when bailing out; need to make
sure bp_iter was initialized...

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Piotr Zalewski
0696a18a8c bcachefs: memset bounce buffer portion to 0 after key_sort_fix_overlapping
Zero-initialize part of allocated bounce buffer which wasn't touched by
subsequent bch2_key_sort_fix_overlapping to mitigate later uinit-value
use KMSAN bug[1].

After applying the patch reproducer still triggers stack overflow[2] but
it seems unrelated to the uninit-value use warning. After further
investigation it was found that stack overflow occurs because KMSAN adds
too many function calls[3]. Backtrace of where the stack magic number gets
smashed was added as a reply to syzkaller thread[3].

It was confirmed that task's stack magic number gets smashed after the code
path where KSMAN detects uninit-value use is executed, so it can be assumed
that it doesn't contribute in any way to uninit-value use detection.

[1] https://syzkaller.appspot.com/bug?extid=6f655a60d3244d0c6718
[2] https://lore.kernel.org/lkml/66e57e46.050a0220.115905.0002.GAE@google.com
[3] https://lore.kernel.org/all/rVaWgPULej8K7HqMPNIu8kVNyXNjjCiTB-QBtItLFBmk0alH6fV2tk4joVPk97Evnuv4ZRDd8HB5uDCkiFG6u81xKdzDj-KrtIMJSlF6Kt8=@proton.me

Reported-by: syzbot+6f655a60d3244d0c6718@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=6f655a60d3244d0c6718
Fixes: ec4edd7b9d ("bcachefs: Prep work for variable size btree node buffers")
Suggested-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Piotr Zalewski <pZ010001011111@proton.me>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Kent Overstreet
51b7cc7c0f bcachefs: Improve bch2_is_inode_open() warning message
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Kent Overstreet
4a8f8fafbd bcachefs: Add extra padding in bkey_make_mut_noupdate()
This fixes a kasan splat in propagate_key_to_snapshot_leaves() -
varint_decode_fast() does reads (that it never uses) up to 7 bytes past
the end of the integer.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Kent Overstreet
f890c8513f bcachefs: Mark inode errors as autofix
Most or all errors will be autofix in the future, we're currently just
doing the ones that we know are well tested.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-09-27 21:46:34 -04:00
Dave Airlie
e7268dd9bb amd-drm-fixes-6.12-2024-09-27:
amdgpu:
 - MES 12 fix
 - KFD fence sync fix
 - SR-IOV fixes
 - VCN 4.0.6 fix
 - SDMA 7.x fix
 - Bump driver version to note cleared VRAM support
 - SWSMU fix
 
 amdgpu:
 - CU occupancy logic fix
 - SDMA queue fix
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Merge tag 'amd-drm-fixes-6.12-2024-09-27' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-fixes-6.12-2024-09-27:

amdgpu:
- MES 12 fix
- KFD fence sync fix
- SR-IOV fixes
- VCN 4.0.6 fix
- SDMA 7.x fix
- Bump driver version to note cleared VRAM support
- SWSMU fix

amdgpu:
- CU occupancy logic fix
- SDMA queue fix

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

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240927202819.2978109-1-alexander.deucher@amd.com
2024-09-28 08:42:53 +10:00
Andrey Shumilin
9cf14f5a27 fbdev: sisfb: Fix strbuf array overflow
The values of the variables xres and yres are placed in strbuf.
These variables are obtained from strbuf1.
The strbuf1 array contains digit characters
and a space if the array contains non-digit characters.
Then, when executing sprintf(strbuf, "%ux%ux8", xres, yres);
more than 16 bytes will be written to strbuf.
It is suggested to increase the size of the strbuf array to 24.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Andrey Shumilin <shum.sdl@nppct.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
2024-09-28 00:42:11 +02:00
Linus Torvalds
ad46e8f95e Power management fix for 6.12-rc1
Fix idle states enumeration in the intel_idle driver on platforms
 supporting multiple flavors of the C6 idle state (Artem Bityutskiy).
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Merge tag 'pm-6.12-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix idle states enumeration in the intel_idle driver on platforms
  supporting multiple flavors of the C6 idle state (Artem Bityutskiy)"

* tag 'pm-6.12-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  intel_idle: fix ACPI _CST matching for newer Xeon platforms
2024-09-27 13:30:07 -07:00
Linus Torvalds
12cc5240f4 This pull request contains the following changes for UML:
- Removal of dead code (TT mode leftovers, etc.)
 - Fixes for the network vector driver
 - Fixes for time-travel mode
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Merge tag 'uml-for-linus-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux

Pull UML updates from Richard Weinberger:

 - Removal of dead code (TT mode leftovers, etc)

 - Fixes for the network vector driver

 - Fixes for time-travel mode

* tag 'uml-for-linus-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
  um: fix time-travel syscall scheduling hack
  um: Remove outdated asm/sysrq.h header
  um: Remove the declaration of user_thread function
  um: Remove the call to SUBARCH_EXECVE1 macro
  um: Remove unused mm_fd field from mm_id
  um: Remove unused fields from thread_struct
  um: Remove the redundant newpage check in update_pte_range
  um: Remove unused kpte_clear_flush macro
  um: Remove obsoleted declaration for execute_syscall_skas
  user_mode_linux_howto_v2: add VDE vector support in doc
  vector_user: add VDE support
  um: remove ARCH_NO_PREEMPT_DYNAMIC
  um: vector: Fix NAPI budget handling
  um: vector: Replace locks guarding queue depth with atomics
  um: remove variable stack array in os_rcv_fd_msg()
2024-09-27 12:48:48 -07:00
Amir Goldstein
0c33037c82 ovl: fix file leak in ovl_real_fdget_meta()
ovl_open_realfile() is wrongly called twice after conversion to
new struct fd.

Fixes: 88a2f6468d ("struct fd: representation change")
Reported-by: syzbot+d9efec94dcbfa0de1c07@syzkaller.appspotmail.com
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-09-27 12:38:47 -07:00
Linus Torvalds
34e1a5d43c Random number generator fixes for Linux 6.12-rc1.
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Merge tag 'random-6.12-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull more random number generator updates from Jason Donenfeld:

 - Christophe realized that the LoongArch64 instructions could be
   scheduled more similar to how GCC generates code, which Ruoyao
   implemented, for a 5% speedup from basically some rearrangements

 - An update to MAINTAINERS to match the right files

* tag 'random-6.12-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
  LoongArch: vDSO: Tune chacha implementation
  MAINTAINERS: make vDSO getrandom matches more generic
2024-09-27 12:32:06 -07:00
Linus Torvalds
9c44575c78 bitmap-for-6.12
- switch all bitmamp APIs from inline to __always_inline from Brian Norris;
  - introduce GENMASK_U128() macro from Anshuman Khandual;
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Merge tag 'bitmap-for-6.12' of https://github.com/norov/linux

Pull bitmap updates from Yury Norov:

 - switch all bitmamp APIs from inline to __always_inline (Brian Norris)

   The __always_inline series improves on code generation, and now with
   the latest compiler versions is required to avoid compilation
   warnings. It spent enough in my backlog, and I'm thankful to Brian
   Norris for taking over and moving it forward.

 - introduce GENMASK_U128() macro (Anshuman Khandual)

   GENMASK_U128() is a prerequisite needed for arm64 development

* tag 'bitmap-for-6.12' of https://github.com/norov/linux:
  lib/test_bits.c: Add tests for GENMASK_U128()
  uapi: Define GENMASK_U128
  nodemask: Switch from inline to __always_inline
  cpumask: Switch from inline to __always_inline
  bitmap: Switch from inline to __always_inline
  find: Switch from inline to __always_inline
2024-09-27 12:10:45 -07:00
Linus Torvalds
ba33a49fcd One bugfix patch, one preparation patch, and one conversion patch.
TOMOYO is useful as an analysis tool for learning how a Linux system works.
 My boss was hoping that SELinux's policy is generated from what TOMOYO has
 observed. A translated paper describing it is available at
 https://master.dl.sourceforge.net/project/tomoyo/docs/nsf2003-en.pdf/nsf2003-en.pdf?viasf=1 .
 Although that attempt failed due to mapping problem between inode and pathname,
 TOMOYO remains as an access restriction tool due to ability to write custom
 policy by individuals.
 
 I was delivering pure LKM version of TOMOYO (named AKARI) to users who
 cannot afford rebuilding their distro kernels with TOMOYO enabled. But
 since the LSM framework was converted to static calls, it became more
 difficult to deliver AKARI to such users. Therefore, I decided to update
 TOMOYO so that people can use mostly LKM version of TOMOYO with minimal
 burden for both distributors and users.
 
 Tetsuo Handa (3):
   tomoyo: preparation step for building as a loadable LSM module
   tomoyo: allow building as a loadable LSM module
   tomoyo: fallback to realpath if symlink's pathname does not exist
 
  security/tomoyo/Kconfig         |   15 ++++++++
  security/tomoyo/Makefile        |   10 ++++-
  security/tomoyo/common.c        |   14 ++++++-
  security/tomoyo/common.h        |   72 ++++++++++++++++++++++++++++++++++++++
  security/tomoyo/domain.c        |    9 +++-
  security/tomoyo/gc.c            |    3 +
  security/tomoyo/hooks.h         |  110 -----------------------------------------------------------
  security/tomoyo/init.c          |  366 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  security/tomoyo/load_policy.c   |   12 ++++++
  security/tomoyo/proxy.c         |   82 ++++++++++++++++++++++++++++++++++++++++++++
  security/tomoyo/securityfs_if.c |   12 ++++--
  security/tomoyo/util.c          |    3 -
  12 files changed, 585 insertions(+), 123 deletions(-)
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Merge tag 'tomoyo-pr-20240927' of git://git.code.sf.net/p/tomoyo/tomoyo

Pull tomoyo updates from Tetsuo Handa:
 "One bugfix patch, one preparation patch, and one conversion patch.

  TOMOYO is useful as an analysis tool for learning how a Linux system
  works. My boss was hoping that SELinux's policy is generated from what
  TOMOYO has observed. A translated paper describing it is available at

    https://master.dl.sourceforge.net/project/tomoyo/docs/nsf2003-en.pdf/nsf2003-en.pdf?viasf=1

  Although that attempt failed due to mapping problem between inode and
  pathname, TOMOYO remains as an access restriction tool due to ability
  to write custom policy by individuals.

  I was delivering pure LKM version of TOMOYO (named AKARI) to users who
  cannot afford rebuilding their distro kernels with TOMOYO enabled. But
  since the LSM framework was converted to static calls, it became more
  difficult to deliver AKARI to such users. Therefore, I decided to
  update TOMOYO so that people can use mostly LKM version of TOMOYO with
  minimal burden for both distributors and users"

* tag 'tomoyo-pr-20240927' of git://git.code.sf.net/p/tomoyo/tomoyo:
  tomoyo: fallback to realpath if symlink's pathname does not exist
  tomoyo: allow building as a loadable LSM module
  tomoyo: preparation step for building as a loadable LSM module
2024-09-27 12:03:48 -07:00
Linus Torvalds
033af36def cxl changes for v6.12
Misc cleanups:
 - Convert devm_cxl_add_root() to return using ERR_CAST().
 - cxl_test use dev_is_platform() instead of open coding.
 - Remove duplicate include of header core.h in core/cdat.c.
 - use scoped resource management to drop put_device() for cxl_port
 - Use scoped_guard to drop device_lock() for cxl_port
 - Refactor __devm_cxl_add_port() to drop gotos
 - Rename cxl_setup_parent_dport to cxl_dport_init_aer and cxl_dport_map_regs()
   to cxl_dport_map_ras().
 - Refactor cxl_dport_init_aer() to be more concise.
 - Remove duplicate host_bridge->native_aer checking in cxl_dport_init_ras_reporting().
 - Fix comment for cxl_query_cmd()
 
 Series to address HDM decoder initialization from DVSEC ranges:
 - Only register non-zero DVSEC ranges.
 - Remove duplicate implementation of waiting for memory_info_valid.
 - Simplify the checking of mem_enabled in  cxl_hdm_decode_init().
 
 Remove locking from memory notifier callback
 
 Series that refactors the code related to cxl mailboxes to be independent of the memory devices
 - Move cxl headers in include/linux/ to include/cxl.
 - Move all mailbox related data to 'struct cxl_mailbox'.
 - Refactor mailbox APIs with 'struct cxl_mailbox' as input instead of memory device state.
 
 Series that adds support for shared upstream link access_coordinate calculation for
 configurations that have multiple targets under a switch or a root port where the
 aggregated bandwidth can be greater than the upstream link of the switch/RP upstream
 link.
 - Preserve the CDAT access_coordinate from an endpoint
 - Add the support for shared upstream link access_coordinate calculation
 - Add documentation to explain how the calculations are done.
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Merge tag 'cxl-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull compute express link (cxl) updates from Dave Jiang:
 "Major changes address HDM decoder initialization from DVSEC ranges,
  refactoring the code related to cxl mailboxes to be independent of the
  memory devices, and adding support for shared upstream link
  access_coordinate calculation, as well as a change to remove locking
  from memory notifier callback.

  In addition, a number of misc cleanups and refactoring of the code are
  also included.

  Address HDM decoder initialization from DVSEC ranges:
   - Only register non-zero DVSEC ranges
   - Remove duplicate implementation of waiting for memory_info_valid
   - Simplify the checking of mem_enabled in  cxl_hdm_decode_init()

  Refactor the code related to cxl mailboxes to be independent of the memory devices:
   - Move cxl headers in include/linux/ to include/cxl
   - Move all mailbox related data to 'struct cxl_mailbox'
   - Refactor mailbox APIs with 'struct cxl_mailbox' as input instead of
     memory device state

  Add support for shared upstream link access_coordinate calculation for
  configurations that have multiple targets under a switch or a root
  port where the aggregated bandwidth can be greater than the upstream
  link of the switch/RP upstream link:
   - Preserve the CDAT access_coordinate from an endpoint
   - Add the support for shared upstream link access_coordinate calculation
   - Add documentation to explain how the calculations are done

  Remove locking from memory notifier callback.

  Misc cleanups:
   - Convert devm_cxl_add_root() to return using ERR_CAST()
   - cxl_test use dev_is_platform() instead of open coding
   - Remove duplicate include of header core.h in core/cdat.c
   - use scoped resource management to drop put_device() for cxl_port
   - Use scoped_guard to drop device_lock() for cxl_port
   - Refactor __devm_cxl_add_port() to drop gotos
   - Rename cxl_setup_parent_dport to cxl_dport_init_aer and
     cxl_dport_map_regs() to cxl_dport_map_ras()
   - Refactor cxl_dport_init_aer() to be more concise
   - Remove duplicate host_bridge->native_aer checking in
     cxl_dport_init_ras_reporting()
   - Fix comment for cxl_query_cmd()"

* tag 'cxl-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (21 commits)
  cxl: Add documentation to explain the shared link bandwidth calculation
  cxl: Calculate region bandwidth of targets with shared upstream link
  cxl: Preserve the CDAT access_coordinate for an endpoint
  cxl: Fix comment regarding cxl_query_cmd() return data
  cxl: Convert cxl_internal_send_cmd() to use 'struct cxl_mailbox' as input
  cxl: Move mailbox related bits to the same context
  cxl: move cxl headers to new include/cxl/ directory
  cxl/region: Remove lock from memory notifier callback
  cxl/pci: simplify the check of mem_enabled in cxl_hdm_decode_init()
  cxl/pci: Check Mem_info_valid bit for each applicable DVSEC
  cxl/pci: Remove duplicated implementation of waiting for memory_info_valid
  cxl/pci: Fix to record only non-zero ranges
  cxl/pci: Remove duplicate host_bridge->native_aer checking
  cxl/pci: cxl_dport_map_rch_aer() cleanup
  cxl/pci: Rename cxl_setup_parent_dport() and cxl_dport_map_regs()
  cxl/port: Refactor __devm_cxl_add_port() to drop goto pattern
  cxl/port: Use scoped_guard()/guard() to drop device_lock() for cxl_port
  cxl/port: Use __free() to drop put_device() for cxl_port
  cxl: Remove duplicate included header file core.h
  tools/testing/cxl: Use dev_is_platform()
  ...
2024-09-27 11:42:03 -07:00
Jason A. Donenfeld
4b721fcc09 selftests: vDSO: align stack for O2-optimized memcpy
When switching on -O2, gcc generates SSE2 instructions that assume a
16-byte aligned stack, which the standalone test's start point wasn't
aligning. Fix this with the usual alignment sequence.

Fixes: ecb8bd70d5 ("selftests: vDSO: build tests with O2 optimization")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202409241558.98e13f6f-oliver.sang@intel.com
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-09-27 12:17:12 -06:00
Linus Torvalds
eee280841e 19 hotfixes. 13 are cc:stable.
There's a focus on fixes for the memfd_pin_folios() work which was added
 into 6.11.  Apart from that, the usual shower of singleton fixes.
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Merge tag 'mm-hotfixes-stable-2024-09-27-09-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull  misc fixes from Andrew Morton:
 "19 hotfixes.  13 are cc:stable.

  There's a focus on fixes for the memfd_pin_folios() work which was
  added into 6.11. Apart from that, the usual shower of singleton fixes"

* tag 'mm-hotfixes-stable-2024-09-27-09-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  ocfs2: fix uninit-value in ocfs2_get_block()
  zram: don't free statically defined names
  memory tiers: use default_dram_perf_ref_source in log message
  Revert "list: test: fix tests for list_cut_position()"
  kselftests: mm: fix wrong __NR_userfaultfd value
  compiler.h: specify correct attribute for .rodata..c_jump_table
  mm/damon/Kconfig: update DAMON doc URL
  mm: kfence: fix elapsed time for allocated/freed track
  ocfs2: fix deadlock in ocfs2_get_system_file_inode
  ocfs2: reserve space for inline xattr before attaching reflink tree
  mm: migrate: annotate data-race in migrate_folio_unmap()
  mm/hugetlb: simplify refs in memfd_alloc_folio
  mm/gup: fix memfd_pin_folios alloc race panic
  mm/gup: fix memfd_pin_folios hugetlb page allocation
  mm/hugetlb: fix memfd_pin_folios resv_huge_pages leak
  mm/hugetlb: fix memfd_pin_folios free_huge_pages leak
  mm/filemap: fix filemap_get_folios_contig THP panic
  mm: make SPLIT_PTE_PTLOCKS depend on SMP
  tools: fix shared radix-tree build
2024-09-27 10:27:22 -07:00
Linus Torvalds
3630400697 LoongArch changes for v6.12
1, Fix objtool about do_syscall() and Clang;
 2, Enable generic CPU vulnerabilites support;
 3, Enable ACPI BGRT handling;
 4, Rework CPU feature probe from CPUCFG/IOCSR;
 5, Add ARCH_HAS_SET_MEMORY support;
 6, Add ARCH_HAS_SET_DIRECT_MAP support;
 7, Improve hardware page table walker;
 8, Simplify _percpu_read() and _percpu_write();
 9, Add advanced extended IRQ model documentions;
 10, Some bug fixes and other small changes.
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Merge tag 'loongarch-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch updates from Huacai Chen:

 - Fix objtool about do_syscall() and Clang

 - Enable generic CPU vulnerabilites support

 - Enable ACPI BGRT handling

 - Rework CPU feature probe from CPUCFG/IOCSR

 - Add ARCH_HAS_SET_MEMORY support

 - Add ARCH_HAS_SET_DIRECT_MAP support

 - Improve hardware page table walker

 - Simplify _percpu_read() and _percpu_write()

 - Add advanced extended IRQ model documentions

 - Some bug fixes and other small changes

* tag 'loongarch-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  Docs/LoongArch: Add advanced extended IRQ model description
  LoongArch: Remove posix_types.h include from sigcontext.h
  LoongArch: Fix memleak in pci_acpi_scan_root()
  LoongArch: Simplify _percpu_read() and _percpu_write()
  LoongArch: Improve hardware page table walker
  LoongArch: Add ARCH_HAS_SET_DIRECT_MAP support
  LoongArch: Add ARCH_HAS_SET_MEMORY support
  LoongArch: Rework CPU feature probe from CPUCFG/IOCSR
  LoongArch: Enable ACPI BGRT handling
  LoongArch: Enable generic CPU vulnerabilites support
  LoongArch: Remove STACK_FRAME_NON_STANDARD(do_syscall)
  LoongArch: Set AS_HAS_THIN_ADD_SUB as y if AS_IS_LLVM
  LoongArch: Enable objtool for Clang
  objtool: Handle frame pointer related instructions
2024-09-27 10:14:35 -07:00
Linus Torvalds
ec38498450 sh updates for v6.12
- sh: intc: Replace simple_strtoul() with kstrtoul()
 - sh: Remove unused declarations for make_maskreg_irq() and irq_mask_register
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Merge tag 'sh-for-v6.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux

Pull sh updates from John Paul Adrian Glaubitz:
 "The first change by Gaosheng Cui removes unused declarations which
  have been obsoleted since commit 5a4053b232 ("sh: Kill off dead
  boards.") and the second by his colleague Hongbo Li replaces the use
  of the unsafe simple_strtoul() with the safer kstrtoul() function in
  the sh interrupt controller driver code"

* tag 'sh-for-v6.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
  sh: intc: Replace simple_strtoul() with kstrtoul()
  sh: Remove unused declarations for make_maskreg_irq() and irq_mask_register
2024-09-27 10:10:21 -07:00
Wolfram Sang
26de8614d8 I2C host fixes for v6.12-rc1
The DesignWare driver now has the correct ENABLE-ABORT sequence,
 ensuring ABORT can always be sent when needed.
 
 In the SynQuacer controller we now check for PCLK as an optional
 clock, allowing ACPI to directly provide the clock rate.
 
 The recent KEBA driver required a dependency fix in Kconfig.
 
 The XIIC driver now has a corrected power suspend sequence.
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Merge tag 'i2c-host-fixes-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current

I2C host fixes for v6.12-rc1

The DesignWare driver now has the correct ENABLE-ABORT sequence,
ensuring ABORT can always be sent when needed.

In the SynQuacer controller we now check for PCLK as an optional
clock, allowing ACPI to directly provide the clock rate.

The recent KEBA driver required a dependency fix in Kconfig.

The XIIC driver now has a corrected power suspend sequence.
2024-09-27 18:57:38 +02:00
Linus Torvalds
653608c67a xen: branch for v6.12-rc1a
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Merge tag 'for-linus-6.12-rc1a-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull more xen updates from Juergen Gross:
 "A second round of Xen related changes and features:

   - a small fix of the xen-pciback driver for a warning issued by
     sparse

   - support PCI passthrough when using a PVH dom0

   - enable loading the kernel in PVH mode at arbitrary addresses,
     avoiding conflicts with the memory map when running as a Xen dom0
     using the host memory layout"

* tag 'for-linus-6.12-rc1a-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  x86/pvh: Add 64bit relocation page tables
  x86/kernel: Move page table macros to header
  x86/pvh: Set phys_base when calling xen_prepare_pvh()
  x86/pvh: Make PVH entrypoint PIC for x86-64
  xen: sync elfnote.h from xen tree
  xen/pciback: fix cast to restricted pci_ers_result_t and pci_power_t
  xen/privcmd: Add new syscall to get gsi from dev
  xen/pvh: Setup gsi for passthrough device
  xen/pci: Add a function to reset device for xen
2024-09-27 09:55:30 -07:00
Linus Torvalds
e477dba544 - Misc VDO fixes
- Remove unused declarations dm_get_rq_mapinfo() and dm_zone_map_bio()
 
 - Dm-delay: Improve kernel documentation
 
 - Dm-crypt: Allow to specify the integrity key size as an option
 
 - Dm-bufio: Remove pointless NULL check
 
 - Small code cleanups: Use ERR_CAST; remove unlikely() around IS_ERR; use
   __assign_bit
 
 - Dm-integrity: Fix gcc 5 warning; convert comma to semicolon; fix smatch
   warning
 
 - Dm-integrity: Support recalculation in the 'I' mode
 
 - Revert "dm: requeue IO if mapping table not yet available"
 
 - Dm-crypt: Small refactoring to make the code more readable
 
 - Dm-cache: Remove pointless error check
 
 - Dm: Fix spelling errors
 
 - Dm-verity: Restart or panic on an I/O error if restart or panic was
   requested
 
 - Dm-verity: Fallback to platform keyring also if key in trusted keyring
   is rejected
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Merge tag 'for-6.12/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mikulas Patocka:

 - Misc VDO fixes

 - Remove unused declarations dm_get_rq_mapinfo() and dm_zone_map_bio()

 - Dm-delay: Improve kernel documentation

 - Dm-crypt: Allow to specify the integrity key size as an option

 - Dm-bufio: Remove pointless NULL check

 - Small code cleanups: Use ERR_CAST; remove unlikely() around IS_ERR;
   use __assign_bit

 - Dm-integrity: Fix gcc 5 warning; convert comma to semicolon; fix
   smatch warning

 - Dm-integrity: Support recalculation in the 'I' mode

 - Revert "dm: requeue IO if mapping table not yet available"

 - Dm-crypt: Small refactoring to make the code more readable

 - Dm-cache: Remove pointless error check

 - Dm: Fix spelling errors

 - Dm-verity: Restart or panic on an I/O error if restart or panic was
   requested

 - Dm-verity: Fallback to platform keyring also if key in trusted
   keyring is rejected

* tag 'for-6.12/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (26 commits)
  dm verity: fallback to platform keyring also if key in trusted keyring is rejected
  dm-verity: restart or panic on an I/O error
  dm: fix spelling errors
  dm-cache: remove pointless error check
  dm vdo: handle unaligned discards correctly
  dm vdo indexer: Convert comma to semicolon
  dm-crypt: Use common error handling code in crypt_set_keyring_key()
  dm-crypt: Use up_read() together with key_put() only once in crypt_set_keyring_key()
  Revert "dm: requeue IO if mapping table not yet available"
  dm-integrity: check mac_size against HASH_MAX_DIGESTSIZE in sb_mac()
  dm-integrity: support recalculation in the 'I' mode
  dm integrity: Convert comma to semicolon
  dm integrity: fix gcc 5 warning
  dm: Make use of __assign_bit() API
  dm integrity: Remove extra unlikely helper
  dm: Convert to use ERR_CAST()
  dm bufio: Remove NULL check of list_entry()
  dm-crypt: Allow to specify the integrity key size as option
  dm: Remove unused declaration and empty definition "dm_zone_map_bio"
  dm delay: enhance kernel documentation
  ...
2024-09-27 09:12:51 -07:00
Linus Torvalds
b6c49fca9f ata fixes for 6.12-rc1
- Fix a NULL pointer dereference introduced by the recent cleanups of
    the command duration limits feature handling (from me)
 
  - Fix incorrect generation of the mode sense data for the
    ALL_SUB_MPAGES page (from me)
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Merge tag 'ata-6.12-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux

Pull ata fixes from Damien Le Moal:

 - Fix a NULL pointer dereference introduced by the recent cleanups of
   the command duration limits feature handling (me)

 - Fix incorrect generation of the mode sense data for the
   ALL_SUB_MPAGES page (me)

* tag 'ata-6.12-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
  ata: libata-scsi: Fix ata_msense_control() CDL page reporting
  ata: libata-scsi: Fix ata_msense_control_spgt2()
2024-09-27 09:05:18 -07:00
Linus Torvalds
e5f0e38e7e Driver core update for 6.12-rc1
Here is a small set of patches for the driver core code for 6.12-rc1.
 
 This set is the one that caused the most delay on my side, due to lots
 of last-minute reports of problems in the async shutdown feature that
 was added.  In the end, I've reverted all of the patches in that series
 so we are back to "normal" and the patch set is being reworked for the
 next merge window.
 
 Other than the async shutdown patches that were reverted, included in
 here are:
   - minor driver core cleanups
   - minor driver core bus and class api cleanups and simplifications for
     some callbacks
   - some const markings of structures
   - other even more minor cleanups
 
 All of these, including the last minute reverts, have been in
 linux-next, but all of the reports of problems in linux-next were before
 the reverts happened.  After the reverts, all is good.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is a small set of patches for the driver core code for 6.12-rc1.

  This set is the one that caused the most delay on my side, due to lots
  of last-minute reports of problems in the async shutdown feature that
  was added. In the end, I've reverted all of the patches in that series
  so we are back to "normal" and the patch set is being reworked for the
  next merge window.

  Other than the async shutdown patches that were reverted, included in
  here are:

   - minor driver core cleanups

   - minor driver core bus and class api cleanups and simplifications
     for some callbacks

   - some const markings of structures

   - other even more minor cleanups

  All of these, including the last minute reverts, have been in
  linux-next, but all of the reports of problems in linux-next were
  before the reverts happened. After the reverts, all is good"

* tag 'driver-core-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (32 commits)
  Revert "driver core: don't always lock parent in shutdown"
  Revert "driver core: separate function to shutdown one device"
  Revert "driver core: shut down devices asynchronously"
  Revert "nvme-pci: Make driver prefer asynchronous shutdown"
  Revert "driver core: fix async device shutdown hang"
  driver core: fix async device shutdown hang
  driver core: attribute_container: Remove unused functions
  driver core: Trivially simplify ((struct device_private *)curr)->device->p to @curr
  devres: Correclty strip percpu address space of devm_free_percpu() argument
  driver core: Make parameter check consistent for API cluster device_(for_each|find)_child()
  bus: fsl-mc: make fsl_mc_bus_type const
  nvme-pci: Make driver prefer asynchronous shutdown
  driver core: shut down devices asynchronously
  driver core: separate function to shutdown one device
  driver core: don't always lock parent in shutdown
  platform: Make platform_bus_type constant
  driver core: class: Check namespace relevant parameters in class_register()
  driver:base:core: Adding a "Return:" line in comment for device_link_add()
  drivers/base: Introduce device_match_t for device finding APIs
  firmware_loader: Block path traversal
  ...
2024-09-27 08:48:37 -07:00
Paolo Bonzini
efbc6bd090 Documentation: KVM: fix warning in "make htmldocs"
The warning

 Documentation/virt/kvm/locking.rst:31: ERROR: Unexpected indentation.

is caused by incorrectly treating a line as the continuation of a paragraph,
rather than as the first line in a bullet list.

Fixed: 44d1745962 ("KVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-09-27 11:45:50 -04:00
Al Viro
cb787f4ac0 [tree-wide] finally take no_llseek out
no_llseek had been defined to NULL two years ago, in commit 868941b144
("fs: remove no_llseek")

To quote that commit,

  At -rc1 we'll need do a mechanical removal of no_llseek -

  git grep -l -w no_llseek | grep -v porting.rst | while read i; do
	sed -i '/\<no_llseek\>/d' $i
  done

  would do it.

Unfortunately, that hadn't been done.  Linus, could you do that now, so
that we could finally put that thing to rest? All instances are of the
form
	.llseek = no_llseek,
so it's obviously safe.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-09-27 08:18:43 -07:00
Arnd Bergmann
54595f2807 mailbox, remoteproc: omap2+: fix compile testing
Selecting CONFIG_OMAP2PLUS_MBOX while compile testing
causes a build failure:

WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX
  Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3)
  Selected by [m]:
  - TI_K3_M4_REMOTEPROC [=m] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y])

Using 'select' to force-enable another subsystem is generally
a mistake and causes problems such as this one, so change the
three drivers that link against this driver to use 'depends on'
instead, and ensure the driver itself can be compile tested
regardless of the platform.

When compile-testing without CONFIG_TI_SCI_PROTOCOL=m, there
is a chance for a link failure, so add a careful dependency
on that.

arm-linux-gnueabi-ld: drivers/remoteproc/ti_k3_m4_remoteproc.o: in function `k3_m4_rproc_probe':
ti_k3_m4_remoteproc.c:(.text.k3_m4_rproc_probe+0x76): undefined reference to `devm_ti_sci_get_by_phandle'

Fixes: ebcf9008a8 ("remoteproc: k3-m4: Add a remoteproc driver for M4F subsystem")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Andrew Davis <afd@ti.com>
Reviewed-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2024-09-27 09:11:05 -05:00
Jinjie Ruan
0c8d604dea i2c: xiic: Fix pm_runtime_set_suspended() with runtime pm enabled
It is not valid to call pm_runtime_set_suspended() for devices
with runtime PM enabled because it returns -EAGAIN if it is enabled
already and working. So, call pm_runtime_disable() before to fix it.

Fixes: 36ecbcab84 ("i2c: xiic: Implement power management")
Cc: <stable@vger.kernel.org> # v4.6+
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
2024-09-27 11:48:21 +02:00
Geert Uytterhoeven
6d3405415f i2c: keba: I2C_KEBA should depend on KEBA_CP500
The KEBA I2C controller is only present on KEBA PLC devices.  Hence add
a dependency on KEBA_CP500, to prevent asking the user about this driver
when configuring a kernel without KEBA CP500 system FPGA support.

Fixes: c7e08c816c ("i2c: keba: Add KEBA I2C controller support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Gerhard Engleder <eg@keba.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
2024-09-27 11:48:11 +02:00
Enzo Matsumiya
220d83b52c smb: client: make SHA-512 TFM ephemeral
The SHA-512 shash TFM is used only briefly during Session Setup stage,
when computing SMB 3.1.1 preauth hash.

There's no need to keep it allocated in servers' secmech the whole time,
so keep its lifetime inside smb311_update_preauth_hash().

This also makes smb311_crypto_shash_allocate() redundant, so expose
smb3_crypto_shash_allocate() and use that.

Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-09-26 18:15:19 -05:00
Enzo Matsumiya
db44ca9f7b smb: client: make HMAC-MD5 TFM ephemeral
The HMAC-MD5 shash TFM is used only briefly during Session Setup stage,
when computing NTLMv2 hashes.

There's no need to keep it allocated in servers' secmech the whole time,
so keep its lifetime inside setup_ntlmv2_rsp().

Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-09-26 18:15:17 -05:00
Paulo Alcantara
a13ca780af smb: client: stop flooding dmesg in smb2_calc_signature()
When having several mounts that share same credential and the client
couldn't re-establish an SMB session due to an expired kerberos ticket
or rotated password, smb2_calc_signature() will end up flooding dmesg
when not finding SMB sessions to calculate signatures.

Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-09-26 18:15:06 -05:00