Commit Graph

1182580 Commits

Author SHA1 Message Date
Linus Torvalds
fbfaf03eba dlm for 6.4
Remove some unused features (related to lock timeouts) that have been
 previously scheduled for removal.
 
 Fix a bug where the pending callback flag would be incorrectly cleared,
 which could potentially result in missing a completion callback.
 
 Use an unbound workqueue for dlm socket handling so that socket
 operations can be processed with less delay.
 
 Fix possible lockspace join connection errors with large clusters (e.g.
 over 16 nodes) caused by a small socket backlog setting.
 
 Use atomic bit ops for internal flags to help avoid mistakes copying
 flag values from messages.
 
 Fix recently introduced bug where memory for lvb data could be
 unnecessarily allocated for a lock.
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Merge tag 'dlm-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:

 - Remove some unused features (related to lock timeouts) that have been
   previously scheduled for removal

 - Fix a bug where the pending callback flag would be incorrectly
   cleared, which could potentially result in missing a completion
   callback

 - Use an unbound workqueue for dlm socket handling so that socket
   operations can be processed with less delay

 - Fix possible lockspace join connection errors with large clusters
   (e.g. over 16 nodes) caused by a small socket backlog setting

 - Use atomic bit ops for internal flags to help avoid mistakes copying
   flag values from messages

 - Fix recently introduced bug where memory for lvb data could be
   unnecessarily allocated for a lock

* tag 'dlm-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  fs: dlm: stop unnecessarily filling zero ms_extra bytes
  fs: dlm: switch lkb_sbflags to atomic ops
  fs: dlm: rsb hash table flag value to atomic ops
  fs: dlm: move internal flags to atomic ops
  fs: dlm: change dflags to use atomic bits
  fs: dlm: store lkb distributed flags into own value
  fs: dlm: remove DLM_IFL_LOCAL_MS flag
  fs: dlm: rename stub to local message flag
  fs: dlm: remove deprecated code parts
  DLM: increase socket backlog to avoid hangs with 16 nodes
  fs: dlm: add unbound flag to dlm_io workqueue
  fs: dlm: fix DLM_IFL_CB_PENDING gets overwritten
2023-04-26 09:36:55 -07:00
Linus Torvalds
e0fcc9c68d gfs2 fixes
- Fix revoke processing at unmount and on read-only remount.
 
 - Refuse reading in inodes with an impossible indirect block height.
 
 - Various minor cleanups.
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Merge tag 'gfs2-v6.3-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - Fix revoke processing at unmount and on read-only remount

 - Refuse reading in inodes with an impossible indirect block height

 - Various minor cleanups

* tag 'gfs2-v6.3-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: gfs2_ail_empty_gl no log flush on error
  gfs2: Issue message when revokes cannot be written
  gfs2: Perform second log flush in gfs2_make_fs_ro
  gfs2: return errors from gfs2_ail_empty_gl
  gfs2: Move variable assignment behind a null pointer check in inode_go_dump
  gfs2: Use gfs2_holder_initialized for jindex
  gfs2: Eliminate gfs2_trim_blocks
  gfs2: Fix inode height consistency check
  gfs2: Remove ghs[] from gfs2_unlink
  gfs2: Remove ghs[] from gfs2_link
  gfs2: Remove duplicate i_nlink check from gfs2_link()
2023-04-26 09:28:15 -07:00
Linus Torvalds
85d7ab2463 for-6.4-tag
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Merge tag 'for-6.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "Mostly core changes and cleanups, some notable fixes and two
  performance improvements in directory logging.

  The IO path cleanups are removing or refactoring old code, scrub main
  loop has been completely rewritten also refactoring old code.

  There are some changes to non-btrfs code, mostly trivial, the cgroup
  punt bio logic is only moved from generic code.

  Performance improvements:

   - improve logging changes in a directory during one transaction,
     avoid iterating over items and reduce lock contention (fsync time
     4x lower)

   - when logging directory entries during one transaction, reduce
     locking of subvolume trees by checking tree-log instead
     (improvement in throughput and latency for concurrent access to a
     subvolume)

  Notable fixes:

   - dev-replace:
      - properly honor read mode when requested to avoid reading from
        source device
      - target device won't be used for eventual read repair, this is
        unreliable for NODATASUM files
      - when there are unpaired (and unrepairable) metadata during
        replace, exit early with error and don't try to finish whole
        operation

   - scrub ioctl properly rejects unknown flags

   - fix global block reserve calculations

   - fix partial direct io write when there's a page fault in the
     middle, iomap will try to continue with partial request but the
     btrfs part did not match that, this can lead to zeros written
     instead of data

  Core changes:

   - io path:
      - continued cleanups and refactoring around bio handling
      - extent io submit path simplifications and cleanups
      - flush write path simplifications and cleanups
      - rework logic of passing sync mode of bio, with further cleanups

   - rewrite scrub code flow, restructure how the stripes are enumerated
     and verified in a more unified way

   - allow to set lower threshold for block group reclaim in debug mode
     to aid zoned mode testing

   - remove obsolete time-based delayed ref throttling logic when
     truncating items

   - DREW locks are not using percpu variables anymore

   - more warning fixes (-Wmaybe-uninitialized)

   - u64 division simplifications

   - error handling improvements

  Non-btrfs code changes:

   - push cgroup punt bio logic to btrfs code (there was no other user
     of that), the functionality can be now selected separately by
     BLK_CGROUP_PUNT_BIO

   - crc32c_impl removed after removing last uses in btrfs code

   - add btrfs_assertfail() to objtool table"

* tag 'for-6.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (147 commits)
  btrfs: mark btrfs_assertfail() __noreturn
  btrfs: fix uninitialized variable warnings
  btrfs: use log root when iterating over index keys when logging directory
  btrfs: avoid iterating over all indexes when logging directory
  btrfs: dev-replace: error out if we have unrepaired metadata error during
  btrfs: remove pointless loop at btrfs_get_next_valid_item()
  btrfs: scrub: reject unsupported scrub flags
  btrfs: reinterpret async discard iops_limit=0 as no delay
  btrfs: set default discard iops_limit to 1000
  btrfs: remove unused raid56 functions which were dedicated for scrub
  btrfs: scrub: remove scrub_bio structure
  btrfs: scrub: remove scrub_block and scrub_sector structures
  btrfs: scrub: remove the old scrub recheck code
  btrfs: scrub: remove the old writeback infrastructure
  btrfs: scrub: remove scrub_parity structure
  btrfs: scrub: use scrub_stripe to implement RAID56 P/Q scrub
  btrfs: scrub: switch scrub_simple_mirror() to scrub_stripe infrastructure
  btrfs: scrub: introduce helper to queue a stripe for scrub
  btrfs: scrub: introduce error reporting functionality for scrub_stripe
  btrfs: scrub: introduce a writeback helper for scrub_stripe
  ...
2023-04-26 09:13:44 -07:00
Linus Torvalds
94fc079266 \n
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Merge tag 'fs_for_v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull ext2, reiserfs, udf, and quota updates from Jan Kara:
 "A couple of small fixes and cleanups for ext2, udf, reiserfs, and
  quota.

  The biggest change is making CONFIG_PRINT_QUOTA_WARNING depend on
  BROKEN with an outlook for removing it completely in an year or so"

* tag 'fs_for_v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: mark PRINT_QUOTA_WARNING as BROKEN
  quota: update Kconfig comment
  reiserfs: remove unused iter variable
  quota: Use register_sysctl_init() for registering fs_dqstats_table
  reiserfs: remove unused sched_count variable
  ext2: remove redundant assignment to pointer end
  quota: make dquot_set_dqinfo return errors from ->write_info
  quota: fixup *_write_file_info() to return proper error code
  quota: simplify two-level sysctl registration for fs_dqstats_table
  udf: use wrapper i_blocksize() in udf_discard_prealloc()
  udf: Use folios in udf_adinicb_writepage()
  ext2: Check block size validity during mount
  ext2: Correct maximum ext2 filesystem block size
2023-04-26 09:07:46 -07:00
Andrew Jones
b09313dd2e
RISC-V: hwprobe: Explicity check for -1 in vdso init
id_bitsmash is unsigned. We need to explicitly check for -1, rather
than use > 0.

Fixes: aa5af0aa90 ("RISC-V: Add hwprobe vDSO function and data")
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Evan Green <evan@rivosinc.com>
Link: https://lore.kernel.org/r/20230426141333.10063-3-ajones@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-04-26 08:58:34 -07:00
Andrew Jones
08dc107594
RISC-V: hwprobe: There can only be one first
Only capture the first cpu_id in order for the comparison
below to be of any use.

Fixes: ea3de9ce8a ("RISC-V: Add a syscall for HW probing")
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Evan Green <evan@rivosinc.com>
Link: https://lore.kernel.org/r/20230426141333.10063-2-ajones@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-04-26 08:58:33 -07:00
Linus Torvalds
0cfcde1faf There are a number of major cleanups in ext4 this cycle:
* The data=journal writepath has been significantly cleaned up and
   simplified, and reduces a large number of data=journal special cases
   by Jan Kara.
 
 * Ojaswin Muhoo has replaced linked list used to track extents that
   have been used for inode preallocation with a red-black tree in the
   multi-block allocator.  This improves performance for workloads
   which do a large number of random allocating writes.
 
 * Thanks to Kemeng Shi for a lot of cleanup and bug fixes in the
   multi-block allocator.
 
 * Matthew wilcox has converted the code paths for reading and writing
   ext4 pages to use folios.
 
 * Jason Yan has continued to factor out ext4_fill_super() into smaller
   functions for improve ease of maintenance and comprehension.
 
 * Josh Triplett has created an uapi header for ext4 userspace API's.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "There are a number of major cleanups in ext4 this cycle:

   - The data=journal writepath has been significantly cleaned up and
     simplified, and reduces a large number of data=journal special
     cases by Jan Kara.

   - Ojaswin Muhoo has replaced linked list used to track extents that
     have been used for inode preallocation with a red-black tree in the
     multi-block allocator. This improves performance for workloads
     which do a large number of random allocating writes.

   - Thanks to Kemeng Shi for a lot of cleanup and bug fixes in the
     multi-block allocator.

   - Matthew wilcox has converted the code paths for reading and writing
     ext4 pages to use folios.

   - Jason Yan has continued to factor out ext4_fill_super() into
     smaller functions for improve ease of maintenance and
     comprehension.

   - Josh Triplett has created an uapi header for ext4 userspace API's"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (105 commits)
  ext4: Add a uapi header for ext4 userspace APIs
  ext4: remove useless conditional branch code
  ext4: remove unneeded check of nr_to_submit
  ext4: move dax and encrypt checking into ext4_check_feature_compatibility()
  ext4: factor out ext4_block_group_meta_init()
  ext4: move s_reserved_gdt_blocks and addressable checking into ext4_check_geometry()
  ext4: rename two functions with 'check'
  ext4: factor out ext4_flex_groups_free()
  ext4: use ext4_group_desc_free() in ext4_put_super() to save some duplicated code
  ext4: factor out ext4_percpu_param_init() and ext4_percpu_param_destroy()
  ext4: factor out ext4_hash_info_init()
  Revert "ext4: Fix warnings when freezing filesystem with journaled data"
  ext4: Update comment in mpage_prepare_extent_to_map()
  ext4: Simplify handling of journalled data in ext4_bmap()
  ext4: Drop special handling of journalled data from ext4_quota_on()
  ext4: Drop special handling of journalled data from ext4_evict_inode()
  ext4: Fix special handling of journalled data from extent zeroing
  ext4: Drop special handling of journalled data from extent shifting operations
  ext4: Drop special handling of journalled data from ext4_sync_file()
  ext4: Commit transaction before writing back pages in data=journal mode
  ...
2023-04-26 08:57:41 -07:00
Linus Torvalds
c3558a6b2a fsverity updates for 6.4
Several cleanups and fixes for fs/verity/, including a couple minor
 fixes to the changes in 6.3 that added support for Merkle tree block
 sizes less than the page size.
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux

Pull fsverity updates from Eric Biggers:
 "Several cleanups and fixes for fs/verity/, including a couple minor
  fixes to the changes in 6.3 that added support for Merkle tree block
  sizes less than the page size"

* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux:
  fsverity: reject FS_IOC_ENABLE_VERITY on mode 3 fds
  fsverity: explicitly check for buffer overflow in build_merkle_tree()
  fsverity: use WARN_ON_ONCE instead of WARN_ON
  fs-verity: simplify sysctls with register_sysctl()
  fs/buffer.c: use b_folio for fsverity work
2023-04-26 08:51:51 -07:00
Linus Torvalds
dbe0e78d0e fscrypt updates for 6.4
A few cleanups for fs/crypto/, and another patch to prepare for the
 upcoming CephFS encryption support.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux

Pull fscrypt updates from Eric Biggers:
 "A few cleanups for fs/crypto/, and another patch to prepare for the
  upcoming CephFS encryption support"

* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux:
  fscrypt: optimize fscrypt_initialize()
  fscrypt: use WARN_ON_ONCE instead of WARN_ON
  fscrypt: new helper function - fscrypt_prepare_lookup_partial()
  fs/buffer.c: use b_folio for fscrypt work
2023-04-26 08:37:51 -07:00
Linus Torvalds
733f7e9c18 This update includes the following changes:
API:
 
 - Total usage stats now include all that returned error (instead of some).
 - Remove maximum hash statesize limit.
 - Add cloning support for hmac and unkeyed hashes.
 - Demote BUG_ON in crypto_unregister_alg to a WARN_ON.
 
 Algorithms:
 
 - Use RIP-relative addressing on x86 to prepare for PIE build.
 - Add accelerated AES/GCM stitched implementation on powerpc P10.
 - Add some test vectors for cmac(camellia).
 - Remove failure case where jent is unavailable outside of FIPS mode in drbg.
 - Add permanent and intermittent health error checks in jitter RNG.
 
 Drivers:
 
 - Add support for 402xx devices in qat.
 - Add support for HiSTB TRNG.
 - Fix hash concurrency issues in stm32.
 - Add OP-TEE firmware support in caam.
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Merge tag 'v6.4-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Total usage stats now include all that returned errors (instead of
     just some)
   - Remove maximum hash statesize limit
   - Add cloning support for hmac and unkeyed hashes
   - Demote BUG_ON in crypto_unregister_alg to a WARN_ON

  Algorithms:
   - Use RIP-relative addressing on x86 to prepare for PIE build
   - Add accelerated AES/GCM stitched implementation on powerpc P10
   - Add some test vectors for cmac(camellia)
   - Remove failure case where jent is unavailable outside of FIPS mode
     in drbg
   - Add permanent and intermittent health error checks in jitter RNG

  Drivers:
   - Add support for 402xx devices in qat
   - Add support for HiSTB TRNG
   - Fix hash concurrency issues in stm32
   - Add OP-TEE firmware support in caam"

* tag 'v6.4-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (139 commits)
  i2c: designware: Add doorbell support for Mendocino
  i2c: designware: Use PCI PSP driver for communication
  powerpc: Move Power10 feature PPC_MODULE_FEATURE_P10
  crypto: p10-aes-gcm - Remove POWER10_CPU dependency
  crypto: testmgr - Add some test vectors for cmac(camellia)
  crypto: cryptd - Add support for cloning hashes
  crypto: cryptd - Convert hash to use modern init_tfm/exit_tfm
  crypto: hmac - Add support for cloning
  crypto: hash - Add crypto_clone_ahash/shash
  crypto: api - Add crypto_clone_tfm
  crypto: api - Add crypto_tfm_get
  crypto: x86/sha - Use local .L symbols for code
  crypto: x86/crc32 - Use local .L symbols for code
  crypto: x86/aesni - Use local .L symbols for code
  crypto: x86/sha256 - Use RIP-relative addressing
  crypto: x86/ghash - Use RIP-relative addressing
  crypto: x86/des3 - Use RIP-relative addressing
  crypto: x86/crc32c - Use RIP-relative addressing
  crypto: x86/cast6 - Use RIP-relative addressing
  crypto: x86/cast5 - Use RIP-relative addressing
  ...
2023-04-26 08:32:52 -07:00
Linus Torvalds
98f99e67a1 flexible-array transformations for 6.4-rc1
Hi Linus,
 
 Please, pull the following patches that transform zero-length and
 one-element arrays into C99 flexible-array members. These patches
 have been baking in linux-next for a while now.
 
 Thanks
 --
 Gustavo
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Merge tag 'flex-array-transformations-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull flexible-array updates from Gustavo Silva:
 "Transform more zero-length and one-element arrays into C99
  flexible-array members"

* tag 'flex-array-transformations-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  uapi: net: ipv6: Replace fake flex-array with flex-array member
  drm/vmwgfx: Replace one-element array with flexible-array member
  ASoC: uapi: Replace zero-length arrays with __DECLARE_FLEX_ARRAY() helper
2023-04-26 08:25:57 -07:00
Alexandre Ghiti
26e7aacb83
riscv: Allow to downgrade paging mode from the command line
Add 2 early command line parameters that allow to downgrade satp mode
(using the same naming as x86):
- "no5lvl": use a 4-level page table (down from sv57 to sv48)
- "no4lvl": use a 3-level page table (down from sv57/sv48 to sv39)

Note that going through the device tree to get the kernel command line
works with ACPI too since the efi stub creates a device tree anyway with
the command line.

In KASAN kernels, we can't use the libfdt that early in the boot process
since we are not ready to execute instrumented functions. So instead of
using the "generic" libfdt, we compile our own versions of those functions
that are not instrumented and that are prefixed so that they do not
conflict with the generic ones. We also need the non-instrumented versions
of the string functions and the prefixed versions of memcpy/memmove.

This is largely inspired by commit aacd149b62 ("arm64: head: avoid
relocating the kernel twice for KASLR") from which I removed compilation
flags that were not relevant to RISC-V at the moment (LTO, SCS). Also
note that we have to link with -z norelro to avoid ld.lld to throw a
warning with the new .got sections, like in commit 311bea3cb9 ("arm64:
link with -z norelro for LLD or aarch64-elf").

Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20230424092313.178699-2-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-04-26 07:30:52 -07:00
Conor Dooley
d4dda690b4
dt-bindings: riscv: add sv57 mmu-type
Dumping the dtb from new versions of QEMU warns that sv57 is an
undocumented mmu-type. The kernel has supported sv57 for about a year,
so bring it into the fold.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230424-rival-habitual-478567c516f0@spud
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-04-26 07:29:02 -07:00
Ken Lin
adace44082 tracing: Add missing spaces in trace_print_hex_seq()
If the buffer length is larger than 16 and concatenate is set to false,
there would be missing spaces every 16 bytes.
Example:
  Before: c5 11 10 50 05 4d 31 40 00 40 00 40 00 4d 31 4000 40 00
  After:  c5 11 10 50 05 4d 31 40 00 40 00 40 00 4d 31 40 00 40 00

Link: https://lore.kernel.org/linux-trace-kernel/20230426032257.3157247-1-lyenting@google.com

Signed-off-by: Ken Lin <lyenting@google.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2023-04-26 09:10:02 -04:00
Tze-nan Wu
7c339fb4d8 ring-buffer: Ensure proper resetting of atomic variables in ring_buffer_reset_online_cpus
In ring_buffer_reset_online_cpus, the buffer_size_kb write operation
may permanently fail if the cpu_online_mask changes between two
for_each_online_buffer_cpu loops. The number of increases and decreases
on both cpu_buffer->resize_disabled and cpu_buffer->record_disabled may be
inconsistent, causing some CPUs to have non-zero values for these atomic
variables after the function returns.

This issue can be reproduced by "echo 0 > trace" while hotplugging cpu.
After reproducing success, we can find out buffer_size_kb will not be
functional anymore.

To prevent leaving 'resize_disabled' and 'record_disabled' non-zero after
ring_buffer_reset_online_cpus returns, we ensure that each atomic variable
has been set up before atomic_sub() to it.

Link: https://lore.kernel.org/linux-trace-kernel/20230426062027.17451-1-Tze-nan.Wu@mediatek.com

Cc: stable@vger.kernel.org
Cc: <mhiramat@kernel.org>
Cc: npiggin@gmail.com
Fixes: b23d7a5f4a ("ring-buffer: speed up buffer resets by avoiding synchronize_rcu for each CPU")
Reviewed-by: Cheng-Jui Wang <cheng-jui.wang@mediatek.com>
Signed-off-by: Tze-nan Wu <Tze-nan.Wu@mediatek.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2023-04-26 09:08:53 -04:00
Chuck Lever
647a2a6428 SUNRPC: Convert svc_xprt_release() to the release_pages() API
Instead of invoking put_page() one-at-a-time, pass the "response"
portion of rq_pages directly to release_pages() to reduce the number
of times each nfsd thread invokes a page allocator API.

Since svc_xprt_release() is not invoked while a client is waiting
for an RPC Reply, this is not expected to directly impact mean
request latencies on a lightly or moderately loaded server. However
as workload intensity increases, I expect somewhat better
scalability: the same number of server threads should be able to
handle more work.

Reviewed-by: Calum Mackay <calum.mackay@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:02 -04:00
Chuck Lever
b20cb39def SUNRPC: Relocate svc_free_res_pages()
Clean-up: There doesn't seem to be a reason why this function is
stuck in a header. One thing it prevents is the convenient addition
of tracing. Moving it to a source file also makes the rq_respages
clean-up logic easier to find.

Reviewed-by: Calum Mackay <calum.mackay@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:01 -04:00
Jeff Layton
92e4a6733f nfsd: simplify the delayed disposal list code
When queueing a dispose list to the appropriate "freeme" lists, it
pointlessly queues the objects one at a time to an intermediate list.

Remove a few helpers and just open code a list_move to make it more
clear and efficient. Better document the resulting functions with
kerneldoc comments.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:01 -04:00
Chuck Lever
55fcc7d915 SUNRPC: Ignore return value of ->xpo_sendto
Clean up: All callers of svc_process() ignore its return value, so
svc_process() can safely be converted to return void. Ditto for
svc_send().

The return value of ->xpo_sendto() is now used only as part of a
trace event.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:01 -04:00
Chuck Lever
ae0d77708a SUNRPC: Ensure server-side sockets have a sock->file
The TLS handshake upcall mechanism requires a non-NULL sock->file on
the socket it hands to user space. svc_sock_free() already releases
sock->file properly if one exists.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:01 -04:00
Chuck Lever
0f5162480b NFSD: Watch for rq_pages bounds checking errors in nfsd_splice_actor()
There have been several bugs over the years where the NFSD splice
actor has attempted to write outside the rq_pages array.

This is a "should never happen" condition, but if for some reason
the pipe splice actor should attempt to walk past the end of
rq_pages, it needs to terminate the READ operation to prevent
corruption of the pointer addresses in the fields just beyond the
array.

A server crash is thus prevented. Since the code is not behaving,
the READ operation returns -EIO to the client. None of the READ
payload data can be trusted if the splice actor isn't operating as
expected.

Suggested-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2023-04-26 09:05:01 -04:00
Luis Chamberlain
376bcd9b37 sunrpc: simplify two-level sysctl registration for svcrdma_parm_table
There is no need to declare two tables to just create directories,
this can be easily be done with a prefix path with register_sysctl().

Simplify this registration.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:01 -04:00
NeilBrown
cf64b9bce9 SUNRPC: return proper error from get_expiry()
The get_expiry() function currently returns a timestamp, and uses the
special return value of 0 to indicate an error.

Unfortunately this causes a problem when 0 is the correct return value.

On a system with no RTC it is possible that the boot time will be seen
to be "3".  When exportfs probes to see if a particular filesystem
supports NFS export it tries to cache information with an expiry time of
"3".  The intention is for this to be "long in the past".  Even with no
RTC it will not be far in the future (at most a second or two) so this
is harmless.
But if the boot time happens to have been calculated to be "3", then
get_expiry will fail incorrectly as it converts the number to "seconds
since bootime" - 0.

To avoid this problem we change get_expiry() to report the error quite
separately from the expiry time.  The error is now the return value.
The expiry time is reported through a by-reference parameter.

Reported-by: Jerry Zhang <jerry@skydio.com>
Tested-by: Jerry Zhang <jerry@skydio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:00 -04:00
Jeff Layton
2f90e18ffe lockd: add some client-side tracepoints
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:00 -04:00
Jeff Layton
e59fb6749e nfs: move nfs_fhandle_hash to common include file
lockd needs to be able to hash filehandles for tracepoints. Move the
nfs_fhandle_hash() helper to a common nfs include file.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:00 -04:00
Jeff Layton
244cc19196 lockd: server should unlock lock if client rejects the grant
Currently lockd just dequeues the block and ignores it if the client
sends a GRANT_RES with a status of nlm_lck_denied. That status is an
indicator that the client has rejected the lock, so the right thing to
do is to unlock the lock we were trying to grant.

Reported-by: Yongcheng Yang <yoyang@redhat.com>
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2063818
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:00 -04:00
Jeff Layton
2005f5b9c3 lockd: fix races in client GRANTED_MSG wait logic
After the wait for a grant is done (for whatever reason), nlmclnt_block
updates the status of the nlm_rqst with the status of the block. At the
point it does this, however, the block is still queued its status could
change at any time.

This is particularly a problem when the waiting task is signaled during
the wait. We can end up giving up on the lock just before the GRANTED_MSG
callback comes in, and accept it even though the lock request gets back
an error, leaving a dangling lock on the server.

Since the nlm_wait never lives beyond the end of nlmclnt_lock, put it on
the stack and add functions to allow us to enqueue and dequeue the
block. Enqueue it just before the lock/wait loop, and dequeue it
just after we exit the loop instead of waiting until the end of
the function. Also, scrape the status at the time that we dequeue it to
ensure that it's final.

Reported-by: Yongcheng Yang <yoyang@redhat.com>
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2063818
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:00 -04:00
Jeff Layton
f0aa4852e6 lockd: move struct nlm_wait to lockd.h
The next patch needs struct nlm_wait in fs/lockd/clntproc.c, so move
the definition to a shared header file. As an added clean-up, drop
the unused b_reclaim field.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:05:00 -04:00
Jeff Layton
c88c680c6d lockd: remove 2 unused helper functions
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:59 -04:00
Jeff Layton
bfca7a6f0c lockd: purge resources held on behalf of nlm clients when shutting down
It's easily possible for the server to have an outstanding lock when we
go to shut down. When that happens, we often get a warning like this in
the kernel log:

    lockd: couldn't shutdown host module for net f0000000!

This is because the shutdown procedures skip removing any hosts that
still have outstanding resources (locks). Eventually, things seem to get
cleaned up anyway, but the log message is unsettling, and server
shutdown doesn't seem to be working the way it was intended.

Ensure that we tear down any resources held on behalf of a client when
tearing one down for server shutdown.

Reported-by: Yongcheng Yang <yoyang@redhat.com>
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2063818
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:59 -04:00
Chuck Lever
c4c649ab41 NFSD: Convert filecache to rhltable
While we were converting the nfs4_file hashtable to use the kernel's
resizable hashtable data structure, Neil Brown observed that the
list variant (rhltable) would be better for managing nfsd_file items
as well. The nfsd_file hash table will contain multiple entries for
the same inode -- these should be kept together on a list. And, it
could be possible for exotic or malicious client behavior to cause
the hash table to resize itself on every insertion.

A nice simplification is that rhltable_lookup() can return a list
that contains only nfsd_file items that match a given inode, which
enables us to eliminate specialized hash table helper functions and
use the default functions provided by the rhashtable implementation).

Since we are now storing nfsd_file items for the same inode on a
single list, that effectively reduces the number of hash entries
that have to be tracked in the hash table. The mininum bucket count
is therefore lowered.

Light testing with fstests generic/531 show no regressions.

Suggested-by: Neil Brown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:59 -04:00
Jeff Layton
dcb779fcd4 nfsd: allow reaping files still under writeback
On most filesystems, there is no reason to delay reaping an nfsd_file
just because its underlying inode is still under writeback. nfsd just
relies on client activity or the local flusher threads to do writeback.

The main exception is NFS, which flushes all of its dirty data on last
close. Add a new EXPORT_OP_FLUSH_ON_CLOSE flag to allow filesystems to
signal that they do this, and only skip closing files under writeback on
such filesystems.

Also, remove a redundant NULL file pointer check in
nfsd_file_check_writeback, and clean up nfs's export op flag
definitions.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:59 -04:00
Jeff Layton
972cc0e092 nfsd: update comment over __nfsd_file_cache_purge
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:59 -04:00
Jeff Layton
b2ff1bd71d nfsd: don't take/put an extra reference when putting a file
The last thing that filp_close does is an fput, so don't bother taking
and putting the extra reference.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:59 -04:00
Jeff Layton
b680cb9b73 nfsd: add some comments to nfsd_file_do_acquire
David Howells mentioned that he found this bit of code confusing, so
sprinkle in some comments to clarify.

Reported-by: David Howells <dhowells@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:58 -04:00
Jeff Layton
c6593366c0 nfsd: don't kill nfsd_files because of lease break error
An error from break_lease is non-fatal, so we needn't destroy the
nfsd_file in that case. Just put the reference like we normally would
and return the error.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:58 -04:00
Jeff Layton
d69b8dbfd0 nfsd: simplify test_bit return in NFSD_FILE_KEY_FULL comparator
test_bit returns bool, so we can just compare the result of that to the
key->gc value without the "!!".

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:58 -04:00
Jeff Layton
6c31e4c988 nfsd: NFSD_FILE_KEY_INODE only needs to find GC'ed entries
Since v4 files are expected to be long-lived, there's little value in
closing them out of the cache when there is conflicting access.

Change the comparator to also match the gc value in the key. Change both
of the current users of that key to set the gc value in the key to
"true".

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:58 -04:00
Jeff Layton
b8bea9f6cd nfsd: don't open-code clear_and_wake_up_bit
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-26 09:04:58 -04:00
Paolo Abeni
9b78d91963 net: phy: hide the PHYLIB_LEDS knob
commit 4bb7aac70b ("net: phy: fix circular LEDS_CLASS dependencies")
solved a build failure, but introduces a new config knob with a default
'y' value: PHYLIB_LEDS.

The latter is against the current new config policy. The exception
was raised to allow the user to catch bad configurations without led
support.

Anyway the current definition of PHYLIB_LEDS does not fit the above
goal: if LEDS_CLASS is disabled, the new config will be available
only with PHYLIB disabled, too.

Hide the mentioned config, to preserve the randconfig testing done so
far, while respecting the mentioned policy.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/d82489be8ed911c383c3447e9abf469995ccf39a.1682496488.git.pabeni@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-04-26 11:54:50 +02:00
Thomas Gleixner
7e0664b660 - Fix error returned for shared timers on Exynos MCT timers (Krzysztof Kozlowski)
- Code reorg by splitting the CPUXGPT timer code (AngeloGioacchino Del Regno)
 
 - Remove the unused mxc_timer_init() function on i.MX (Fabio Estevam)
 
 - Replace of_get_address() and of_translate_address() calls with
   single call to of_address_to_resource() on TI timer (Rob Herring)
 
 - Mark driver as non-removable and remove useless remove() callback on
   SH MTU2 and STM32 LP timers. Improve the error message in the remove
   callback of the TI DM timer (Uwe Kleine-König)
 
 - Convert to platform remove callback returning void on Tegra186, TI
   DM timers (Uwe Kleine-König)
 
 - Drop pointless of_match_ptr for ID table in the STM32 LP timer
   (Krzysztof Kozlowski)
 
 - Fix memory leak in davinci_timer_register when init fails on DaVinci
   (Qinrun Dai)
 
 - Fix finding alwon timer regression on Timer TI DM (Tony Lindgren)
 
 - Use of_property_read_bool() for boolean properties on TI timer (Rob
   Herring)
 
 - Drop superfluous rk3288 compatible and add rk3588 compatible DT
   bindings (Cristian Ciocaltea)
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Merge tag 'timers-v6.4-rc1' of https://git.linaro.org/people/daniel.lezcano/linux into timers/core

Pull clocksource and clockevent updates from Daniel Lezcano:

  - Fix error returned for shared timers on Exynos MCT timers (Krzysztof Kozlowski)

  - Code reorg by splitting the CPUXGPT timer code (AngeloGioacchino Del Regno)

  - Remove the unused mxc_timer_init() function on i.MX (Fabio Estevam)

  - Replace of_get_address() and of_translate_address() calls with
    single call to of_address_to_resource() on TI timer (Rob Herring)

  - Mark driver as non-removable and remove useless remove() callback on
    SH MTU2 and STM32 LP timers. Improve the error message in the remove
    callback of the TI DM timer (Uwe Kleine-König)

  - Convert to platform remove callback returning void on Tegra186, TI
    DM timers (Uwe Kleine-König)

  - Drop pointless of_match_ptr for ID table in the STM32 LP timer
    (Krzysztof Kozlowski)

  - Fix memory leak in davinci_timer_register when init fails on DaVinci
    (Qinrun Dai)

  - Fix finding alwon timer regression on Timer TI DM (Tony Lindgren)

  - Use of_property_read_bool() for boolean properties on TI timer (Rob
    Herring)

  - Drop superfluous rk3288 compatible and add rk3588 compatible DT
    bindings (Cristian Ciocaltea)

Link: htttps://lore.kernel.org/lkml/d30fd923-e6e5-a1a6-ca76-1b39f8fad6c9@linaro.org
2023-04-26 11:06:00 +02:00
Paolo Abeni
c248b27cfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-04-26 10:17:46 +02:00
Nicholas Piggin
169f899796 powerpc/64s: Disable pcrel code model on Clang
Clang has a bug that casues the pcrel code model not to be used when any of
-msoft-float, -mno-altivec, or -mno-vsx are set. Leaving these off causes
FP/vector instructions to be generated, causing crashes. So disable pcrel
for clang for now.

Fixes: 7e3a68be42 ("powerpc/64: vmlinux support building with PCREL addresing")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230426055848.402993-3-npiggin@gmail.com
2023-04-26 16:21:33 +10:00
Nicholas Piggin
0c993300d5 powerpc: Fix merge conflict between pcrel and copy_thread changes
Fix a conflict between commit 4e991e3c16 ("powerpc: add CFUNC
assembly label annotation") and commit b504b6aade ("powerpc:
differentiate kthread from user kernel thread start").

Fixes: 4e991e3c16 ("powerpc: add CFUNC assembly label annotation")
Fixes: b504b6aade ("powerpc: differentiate kthread from user kernel thread start")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230426055848.402993-2-npiggin@gmail.com
2023-04-26 16:20:16 +10:00
Evan Green
bb3f89487f
RISC-V: hwprobe: Remove __init on probe_vendor_features()
probe_vendor_features() is now called from smp_callin(), which is not
__init code and runs during cpu hotplug events. Remove the
__init_or_module decoration from it and the functions it calls to avoid
walking into outer space.

Fixes: 62a31d6e38 ("RISC-V: hwprobe: Support probing of misaligned access performance")
Signed-off-by: Evan Green <evan@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230420194934.1871356-1-evan@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-04-25 21:58:42 -07:00
Linus Torvalds
0cfd8703e7 Power management updates for 6.4-rc1
- Fix the frequency unit in cpufreq_verify_current_freq checks()
    (Sanjay Chandrashekara).
 
  - Make mode_state_machine in amd-pstate static (Tom Rix).
 
  - Make the cpufreq core require drivers with target_index() to set
    freq_table (Viresh Kumar).
 
  - Fix typo in the ARM_BRCMSTB_AVS_CPUFREQ Kconfig entry (Jingyu Wang).
 
  - Use of_property_read_bool() for boolean properties in the pmac32
    cpufreq driver (Rob Herring).
 
  - Make the cpufreq sysfs interface return proper error codes on
    obviously invalid input (qinyu).
 
  - Add guided autonomous mode support to the AMD P-state driver (Wyes
    Karny).
 
  - Make the Intel P-state driver enable HWP IO boost on all server
    platforms (Srinivas Pandruvada).
 
  - Add opp and bandwidth support to tegra194 cpufreq driver (Sumit
    Gupta).
 
  - Use of_property_present() for testing DT property presence (Rob
    Herring).
 
  - Remove MODULE_LICENSE in non-modules (Nick Alcock).
 
  - Add SM7225 to cpufreq-dt-platdev blocklist (Luca Weiss).
 
  - Optimizations and fixes for qcom-cpufreq-hw driver (Krzysztof
    Kozlowski, Konrad Dybcio, and Bjorn Andersson).
 
  - DT binding updates for qcom-cpufreq-hw driver (Konrad Dybcio and
    Bartosz Golaszewski).
 
  - Updates and fixes for mediatek driver (Jia-Wei Chang and
    AngeloGioacchino Del Regno).
 
  - Use of_property_present() for testing DT property presence in the
    cpuidle code (Rob Herring).
 
  - Drop unnecessary (void *) conversions from the PM core (Li zeming).
 
  - Add sysfs files to represent time spent in a platform sleep state
    during suspend-to-idle and make AMD and Intel PMC drivers use them
    (Mario Limonciello).
 
  - Use of_property_present() for testing DT property presence (Rob
    Herring).
 
  - Add set_required_opps() callback to the 'struct opp_table', to make
    the code paths cleaner (Viresh Kumar).
 
  - Update the pm-graph siute of utilities to v5.11 with the following
    changes:
    * New script which allows users to install the latest pm-graph
      from the upstream github repo.
    * Update all the dmesg suspend/resume PM print formats to be able to
      process recent timelines using dmesg only.
    * Add ethtool output to the log for the system's ethernet device if
      ethtool exists.
    * Make the tool more robustly handle events where mangled dmesg or
      ftrace outputs do not include all the requisite data.
 
  - Make the sleepgraph utility recognize "CPU killed" messages (Xueqin
    Luo).
 
  - Remove unneeded SRCU selection in Kconfig because it's always set
    from devfreq core (Paul E. McKenney).
 
  - Drop of_match_ptr() macro from exynos-bus.c because this driver is
    always using the DT table for driver probe (Krzysztof Kozlowski).
 
  - Use the preferred of_property_present() instead of the low-level
    of_get_property() on exynos-bus.c (Rob Herring).
 
  - Use devm_platform_get_and_ioream_resource() in exyno-ppmu.c (Yang Li).
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Merge tag 'pm-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These update several cpufreq drivers and the cpufreq core, add sysfs
  interface for exposing the time really spent in the platform low-power
  state during suspend-to-idle, update devfreq (core and drivers) and
  the pm-graph suite of tools and clean up code.

  Specifics:

   - Fix the frequency unit in cpufreq_verify_current_freq checks()
     Sanjay Chandrashekara)

   - Make mode_state_machine in amd-pstate static (Tom Rix)

   - Make the cpufreq core require drivers with target_index() to set
     freq_table (Viresh Kumar)

   - Fix typo in the ARM_BRCMSTB_AVS_CPUFREQ Kconfig entry (Jingyu Wang)

   - Use of_property_read_bool() for boolean properties in the pmac32
     cpufreq driver (Rob Herring)

   - Make the cpufreq sysfs interface return proper error codes on
     obviously invalid input (qinyu)

   - Add guided autonomous mode support to the AMD P-state driver (Wyes
     Karny)

   - Make the Intel P-state driver enable HWP IO boost on all server
     platforms (Srinivas Pandruvada)

   - Add opp and bandwidth support to tegra194 cpufreq driver (Sumit
     Gupta)

   - Use of_property_present() for testing DT property presence (Rob
     Herring)

   - Remove MODULE_LICENSE in non-modules (Nick Alcock)

   - Add SM7225 to cpufreq-dt-platdev blocklist (Luca Weiss)

   - Optimizations and fixes for qcom-cpufreq-hw driver (Krzysztof
     Kozlowski, Konrad Dybcio, and Bjorn Andersson)

   - DT binding updates for qcom-cpufreq-hw driver (Konrad Dybcio and
     Bartosz Golaszewski)

   - Updates and fixes for mediatek driver (Jia-Wei Chang and
     AngeloGioacchino Del Regno)

   - Use of_property_present() for testing DT property presence in the
     cpuidle code (Rob Herring)

   - Drop unnecessary (void *) conversions from the PM core (Li zeming)

   - Add sysfs files to represent time spent in a platform sleep state
     during suspend-to-idle and make AMD and Intel PMC drivers use them
     Mario Limonciello)

   - Use of_property_present() for testing DT property presence (Rob
     Herring)

   - Add set_required_opps() callback to the 'struct opp_table', to make
     the code paths cleaner (Viresh Kumar)

   - Update the pm-graph siute of utilities to v5.11 with the following
     changes:
       * New script which allows users to install the latest pm-graph
         from the upstream github repo.
       * Update all the dmesg suspend/resume PM print formats to be able
         to process recent timelines using dmesg only.
       * Add ethtool output to the log for the system's ethernet device
         if ethtool exists.
       * Make the tool more robustly handle events where mangled dmesg
         or ftrace outputs do not include all the requisite data.

   - Make the sleepgraph utility recognize "CPU killed" messages (Xueqin
     Luo)

   - Remove unneeded SRCU selection in Kconfig because it's always set
     from devfreq core (Paul E. McKenney)

   - Drop of_match_ptr() macro from exynos-bus.c because this driver is
     always using the DT table for driver probe (Krzysztof Kozlowski)

   - Use the preferred of_property_present() instead of the low-level
     of_get_property() on exynos-bus.c (Rob Herring)

   - Use devm_platform_get_and_ioream_resource() in exyno-ppmu.c (Yang
     Li)"

* tag 'pm-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (44 commits)
  platform/x86/intel/pmc: core: Report duration of time in HW sleep state
  platform/x86/intel/pmc: core: Always capture counters on suspend
  platform/x86/amd: pmc: Report duration of time in hw sleep state
  PM: Add sysfs files to represent time spent in hardware sleep state
  cpufreq: use correct unit when verify cur freq
  cpufreq: tegra194: add OPP support and set bandwidth
  cpufreq: amd-pstate: Make varaiable mode_state_machine static
  PM: core: Remove unnecessary (void *) conversions
  cpufreq: drivers with target_index() must set freq_table
  PM / devfreq: exynos-ppmu: Use devm_platform_get_and_ioremap_resource()
  OPP: Move required opps configuration to specialized callback
  OPP: Handle all genpd cases together in _set_required_opps()
  cpufreq: qcom-cpufreq-hw: Revert adding cpufreq qos
  dt-bindings: cpufreq: cpufreq-qcom-hw: Add QCM2290
  dt-bindings: cpufreq: cpufreq-qcom-hw: Sanitize data per compatible
  dt-bindings: cpufreq: cpufreq-qcom-hw: Allow just 1 frequency domain
  cpufreq: Add SM7225 to cpufreq-dt-platdev blocklist
  cpufreq: qcom-cpufreq-hw: fix double IO unmap and resource release on exit
  cpufreq: mediatek: Raise proc and sram max voltage for MT7622/7623
  cpufreq: mediatek: raise proc/sram max voltage for MT8516
  ...
2023-04-25 18:44:10 -07:00
Linus Torvalds
793582ff47 ACPI updates for 6.4-rc1
- Update the ACPICA code in the kernel to upstream revision 20230331
    including the following changes:
    * Delete bogus node_array array of pointers from AEST table (Jessica
      Clarke).
    * Add support for trace buffer extension in GICC to the ACPI MADT
      parser (Xiongfeng Wang).
    * Add missing macro ACPI_FUNCTION_TRACE() for acpi_ns_repair_HID()
      (Xiongfeng Wang).
    * Add missing tables to astable (Pedro Falcato).
    * Add support for 64 bit loong_arch compilation to ACPICA (Huacai
      Chen).
    * Add support for ASPT table in disassembler to ACPICA (Jeremi
      Piotrowski).
    * Add support for Arm's MPAM ACPI table version 2 (Hesham Almatary).
    * Update all copyrights/signons in ACPICA to 2023 (Bob Moore).
    * Add support for ClockInput resource (v6.5) (Niyas Sait).
    * Add RISC-V INTC interrupt controller definition to the list of
      supported interrupt controllers for MADT (Sunil V L).
    * Add structure definitions for the RISC-V RHCT ACPI table (Sunil V L).
    * Address several cases in which the ACPICA code might lead to
      undefined behavior (Tamir Duberstein).
    * Make ACPICA code support flexible arrays properly (Kees Cook).
    * Check null return of ACPI_ALLOCATE_ZEROED in
      acpi_db_display_objects() (void0red).
    * Add os specific support for Zephyr RTOS to ACPICA (Najumon).
    * Update version to 20230331 (Bob Moore).
 
  - Fix evaluating the _PDC ACPI control method when running as Xen
    dom0 (Roger Pau Monne).
 
  - Use platform devices to load ACPI PPC and PCC drivers (Petr Pavlu).
 
  - Check for null return of devm_kzalloc() in fch_misc_setup() (Kang
    Chen).
 
  - Log a message if enable_irq_wake() fails for the ACPI SCI (Simon
    Gaiser).
 
  - Initialize the correct IOMMU fwspec while parsing ACPI VIOT
    (Jean-Philippe Brucker).
 
  - Amend indentation and prefix error messages with FW_BUG in the ACPI
    SPCR parsing code (Andy Shevchenko).
 
  - Enable ACPI sysfs support for CCEL records (Kuppuswamy
    Sathyanarayanan).
 
  - Make the APEI error injection code warn on invalid arguments when
    explicitly indicated by platform (Shuai Xue).
 
  - Add CXL error types to the error injection code in APEI (Tony Luck).
 
  - Refactor acpi_data_prop_read_single() (Andy Shevchenko).
 
  - Fix two issues in the ACPI SBS driver (Armin Wolf).
 
  - Replace ternary operator with min_t() in the generic ACPI thermal
    zone driver (Jiangshan Yi).
 
  - Ensure that ACPI notify handlers are not running after removal and
    clean up code in acpi_sb_notify() (Rafael Wysocki).
 
  - Remove register_backlight_delay module option and code and remove
    quirks for false-positive backlight control support advertised on
    desktop boards (Hans de Goede).
 
  - Replace irqdomain.h include with struct declarations in ACPI headers
    and update several pieces of code previously including of.h
    implicitly through those headers (Rob Herring).
 
  - Fix acpi_evaluate_dsm_typed() redefinition error (Kiran K).
 
  - Update the pm_profile sysfs attribute documentation (Rafael Wysocki).
 
  - Add 80862289 ACPI _HID for second PWM controller on Cherry Trail to
    the ACPI driver for Intel SoCs (Hans de Goede).
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Merge tag 'acpi-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to upstream revision
  20230331, fix the ACPI SBS driver and the evaluation of the _PDC
  method on Xen dom0 in the ACPI processor driver, update the ACPI
  driver for Intel SoCs and clean up code in multiple places.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20230331
     including the following changes:
       * Delete bogus node_array array of pointers from AEST table
         (Jessica Clarke)
       * Add support for trace buffer extension in GICC to the ACPI MADT
         parser (Xiongfeng Wang)
       * Add missing macro ACPI_FUNCTION_TRACE() for
         acpi_ns_repair_HID() (Xiongfeng Wang)
       * Add missing tables to astable (Pedro Falcato)
       * Add support for 64 bit loong_arch compilation to ACPICA (Huacai
         Chen)
       * Add support for ASPT table in disassembler to ACPICA (Jeremi
         Piotrowski)
       * Add support for Arm's MPAM ACPI table version 2 (Hesham
         Almatary)
       * Update all copyrights/signons in ACPICA to 2023 (Bob Moore)
       * Add support for ClockInput resource (v6.5) (Niyas Sait)
       * Add RISC-V INTC interrupt controller definition to the list of
         supported interrupt controllers for MADT (Sunil V L)
       * Add structure definitions for the RISC-V RHCT ACPI table (Sunil
         V L)
       * Address several cases in which the ACPICA code might lead to
         undefined behavior (Tamir Duberstein)
       * Make ACPICA code support flexible arrays properly (Kees Cook)
       * Check null return of ACPI_ALLOCATE_ZEROED in
         acpi_db_display_objects() (void0red)
       * Add os specific support for Zephyr RTOS to ACPICA (Najumon)
       * Update version to 20230331 (Bob Moore)

   - Fix evaluating the _PDC ACPI control method when running as Xen
     dom0 (Roger Pau Monne)

   - Use platform devices to load ACPI PPC and PCC drivers (Petr Pavlu)

   - Check for null return of devm_kzalloc() in fch_misc_setup() (Kang
     Chen)

   - Log a message if enable_irq_wake() fails for the ACPI SCI (Simon
     Gaiser)

   - Initialize the correct IOMMU fwspec while parsing ACPI VIOT
     (Jean-Philippe Brucker)

   - Amend indentation and prefix error messages with FW_BUG in the ACPI
     SPCR parsing code (Andy Shevchenko)

   - Enable ACPI sysfs support for CCEL records (Kuppuswamy
     Sathyanarayanan)

   - Make the APEI error injection code warn on invalid arguments when
     explicitly indicated by platform (Shuai Xue)

   - Add CXL error types to the error injection code in APEI (Tony Luck)

   - Refactor acpi_data_prop_read_single() (Andy Shevchenko)

   - Fix two issues in the ACPI SBS driver (Armin Wolf)

   - Replace ternary operator with min_t() in the generic ACPI thermal
     zone driver (Jiangshan Yi)

   - Ensure that ACPI notify handlers are not running after removal and
     clean up code in acpi_sb_notify() (Rafael Wysocki)

   - Remove register_backlight_delay module option and code and remove
     quirks for false-positive backlight control support advertised on
     desktop boards (Hans de Goede)

   - Replace irqdomain.h include with struct declarations in ACPI
     headers and update several pieces of code previously including of.h
     implicitly through those headers (Rob Herring)

   - Fix acpi_evaluate_dsm_typed() redefinition error (Kiran K)

   - Update the pm_profile sysfs attribute documentation (Rafael
     Wysocki)

   - Add 80862289 ACPI _HID for second PWM controller on Cherry Trail to
     the ACPI driver for Intel SoCs (Hans de Goede)"

* tag 'acpi-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (64 commits)
  ACPI: LPSS: Add 80862289 ACPI _HID for second PWM controller on Cherry Trail
  ACPI: bus: Ensure that notify handlers are not running after removal
  ACPI: bus: Add missing braces to acpi_sb_notify()
  ACPI: video: Remove desktops without backlight DMI quirks
  ACPI: video: Remove register_backlight_delay module option and code
  ACPI: Replace irqdomain.h include with struct declarations
  fpga: lattice-sysconfig-spi: Add explicit include for of.h
  tpm: atmel: Add explicit include for of.h
  virtio-mmio: Add explicit include for of.h
  pata: ixp4xx: Add explicit include for of.h
  ata: pata_macio: Add explicit include of irqdomain.h
  serial: 8250_tegra: Add explicit include for of.h
  net: rfkill-gpio: Add explicit include for of.h
  staging: iio: resolver: ad2s1210: Add explicit include for of.h
  iio: adc: ad7292: Add explicit include for of.h
  ACPICA: Update version to 20230331
  ACPICA: add os specific support for Zephyr RTOS
  ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects
  ACPICA: acpi_resource_irq: Replace 1-element arrays with flexible array
  ACPICA: acpi_madt_oem_data: Fix flexible array member definition
  ...
2023-04-25 18:37:41 -07:00
Linus Torvalds
5e0ca0bfc3 Thermal control updates for 6.4-rc1
- Add a thermal zone 'devdata' accessor and modify several drivers to
    use it (Daniel Lezcano).
 
  - Prevent drivers from using the 'device' internal thermal zone
    structure field directly (Daniel Lezcano).
 
  - Clean up the hwmon thermal driver (Daniel Lezcano).
 
  - Add thermal zone id accessor and thermal zone type accessor
    and prevent drivers from using thermal zone fields directly (Daniel
    Lezcano).
 
  - Clean up the acerhdf and tegra thermal drivers (Daniel Lezcano).
 
  - Add lower bound check for sysfs input to the x86_pkg_temp_thermal
    Intel thermal driver (Zhang Rui).
 
  - Add more thermal zone device encapsulation: prevent setting structure
    field directly, access the sensor device instead the thermal zone's
    device for trace, relocate the traces in drivers/thermal (Daniel
    Lezcano).
 
  - Use the generic trip point for the i.MX and remove the get_trip_temp
    ops (Daniel Lezcano).
 
  - Use the devm_platform_ioremap_resource() in the Hisilicon driver
    (Yang Li).
 
  - Remove R-Car H3 ES1.* handling as public has only access to the ES2
    version and the upstream support for the ES1 has been shutdown (Wolfram
    Sang).
 
  - Add a delay after initializing the bank in order to let the time to
    the hardware to initialze itself before reading the temperature
    (Amjad Ouled-Ameur).
 
  - Add MT8365 support (Amjad Ouled-Ameur).
 
  - Preparational cleanup and DT bindings for RK3588 support (Sebastian
    Reichel).
 
  - Add driver support for RK3588 (Finley Xiao).
 
  - Use devm_reset_control_array_get_exclusive() for the Rockchip driver
    (Ye Xingchen).
 
  - Detect power gated thermal zones and return -EAGAIN when reading the
    temperature (Mikko Perttunen).
 
  - Remove thermal_bind_params structure as it is unused (Zhang Rui)
 
  - Drop unneeded quotes in DT bindings allowing to run yamllint (Rob
    Herring).
 
  - Update the power allocator documentation according to the thermal
    trace relocation (Lukas Bulwahn).
 
  - Fix sensor 1 interrupt status bitmask for the Mediatek LVTS sensor
    (Chen-Yu Tsai).
 
  - Use the dev_err_probe() helper in the Amlogic driver (Ye Xingchen).
 
  - Add AP domain support to LVTS thermal controllers for mt8195
    (Balsam CHIHI).
 
  - Remove buggy call to thermal_of_zone_unregister() (Daniel Lezcano).
 
  - Make thermal_of_zone_[un]register() private to the thermal OF code
    (Daniel Lezcano).
 
  - Create a private copy of the thermal zone device parameters
    structure when registering a thermal zone (Daniel Lezcano).
 
  - Fix a kernel NULL pointer dereference in thermal_hwmon (Zhang Rui).
 
  - Revert recent message adjustment in thermal_hwmon (Rafael Wysocki).
 
  - Use of_property_present() for testing DT property presence in
    thermal control code (Rob Herring).
 
  - Clean up thermal_list_lock locking in the thermal core (Rafael
    Wysocki).
 
  - Add DLVR support for RFIM control in the int340x Intel thermal
    driver (Srinivas Pandruvada).
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Merge tag 'thermal-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "These mostly continue to prepare the thermal control subsystem for
  using unified representation of trip points, which includes cleanups,
  code refactoring and similar and update several drivers (for other
  reasons), which includes new hardware support.

  Specifics:

   - Add a thermal zone 'devdata' accessor and modify several drivers to
     use it (Daniel Lezcano)

   - Prevent drivers from using the 'device' internal thermal zone
     structure field directly (Daniel Lezcano)

   - Clean up the hwmon thermal driver (Daniel Lezcano)

   - Add thermal zone id accessor and thermal zone type accessor and
     prevent drivers from using thermal zone fields directly (Daniel
     Lezcano)

   - Clean up the acerhdf and tegra thermal drivers (Daniel Lezcano)

   - Add lower bound check for sysfs input to the x86_pkg_temp_thermal
     Intel thermal driver (Zhang Rui)

   - Add more thermal zone device encapsulation: prevent setting
     structure field directly, access the sensor device instead the
     thermal zone's device for trace, relocate the traces in
     drivers/thermal (Daniel Lezcano)

   - Use the generic trip point for the i.MX and remove the
     get_trip_temp ops (Daniel Lezcano)

   - Use the devm_platform_ioremap_resource() in the Hisilicon driver
     (Yang Li)

   - Remove R-Car H3 ES1.* handling as public has only access to the ES2
     version and the upstream support for the ES1 has been shutdown
     (Wolfram Sang)

   - Add a delay after initializing the bank in order to let the time to
     the hardware to initialze itself before reading the temperature
     (Amjad Ouled-Ameur)

   - Add MT8365 support (Amjad Ouled-Ameur)

   - Preparational cleanup and DT bindings for RK3588 support (Sebastian
     Reichel)

   - Add driver support for RK3588 (Finley Xiao)

   - Use devm_reset_control_array_get_exclusive() for the Rockchip
     driver (Ye Xingchen)

   - Detect power gated thermal zones and return -EAGAIN when reading
     the temperature (Mikko Perttunen)

   - Remove thermal_bind_params structure as it is unused (Zhang Rui)

   - Drop unneeded quotes in DT bindings allowing to run yamllint (Rob
     Herring)

   - Update the power allocator documentation according to the thermal
     trace relocation (Lukas Bulwahn)

   - Fix sensor 1 interrupt status bitmask for the Mediatek LVTS sensor
     (Chen-Yu Tsai)

   - Use the dev_err_probe() helper in the Amlogic driver (Ye Xingchen)

   - Add AP domain support to LVTS thermal controllers for mt8195
     (Balsam CHIHI)

   - Remove buggy call to thermal_of_zone_unregister() (Daniel Lezcano)

   - Make thermal_of_zone_[un]register() private to the thermal OF code
     (Daniel Lezcano)

   - Create a private copy of the thermal zone device parameters
     structure when registering a thermal zone (Daniel Lezcano)

   - Fix a kernel NULL pointer dereference in thermal_hwmon (Zhang Rui)

   - Revert recent message adjustment in thermal_hwmon (Rafael Wysocki)

   - Use of_property_present() for testing DT property presence in
     thermal control code (Rob Herring)

   - Clean up thermal_list_lock locking in the thermal core (Rafael
     Wysocki)

   - Add DLVR support for RFIM control in the int340x Intel thermal
     driver (Srinivas Pandruvada)"

* tag 'thermal-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (55 commits)
  thermal: intel: int340x: Add DLVR support for RFIM control
  thermal/core: Alloc-copy-free the thermal zone parameters structure
  thermal/of: Unexport unused OF functions
  thermal/drivers/bcm2835: Remove buggy call to thermal_of_zone_unregister
  thermal/drivers/mediatek/lvts_thermal: Add AP domain for mt8195
  dt-bindings: thermal: mediatek: Add AP domain to LVTS thermal controllers for mt8195
  thermal: amlogic: Use dev_err_probe()
  thermal/drivers/mediatek/lvts_thermal: Fix sensor 1 interrupt status bitmask
  MAINTAINERS: adjust entry in THERMAL/POWER_ALLOCATOR after header movement
  dt-bindings: thermal: Drop unneeded quotes
  thermal/core: Remove thermal_bind_params structure
  thermal/drivers/tegra-bpmp: Handle offline zones
  thermal/drivers/rockchip: use devm_reset_control_array_get_exclusive()
  dt-bindings: rockchip-thermal: Support the RK3588 SoC compatible
  thermal/drivers/rockchip: Support RK3588 SoC in the thermal driver
  thermal/drivers/rockchip: Support dynamic sized sensor array
  thermal/drivers/rockchip: Simplify channel id logic
  thermal/drivers/rockchip: Use dev_err_probe
  thermal/drivers/rockchip: Simplify clock logic
  thermal/drivers/rockchip: Simplify getting match data
  ...
2023-04-25 18:32:43 -07:00
Hao Zeng
fa359d0685 recordmcount: Fix memory leaks in the uwrite function
Common realloc mistake: 'file_append' nulled but not freed upon failure

Link: https://lkml.kernel.org/r/20230426010527.703093-1-zenghao@kylinos.cn

Signed-off-by: Hao Zeng <zenghao@kylinos.cn>
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2023-04-25 21:10:20 -04:00
Beau Belgrave
41d8fba193 tracing/user_events: Limit max fault-in attempts
When event enablement changes, user_events attempts to update a bit in
the user process. If a fault is hit, an attempt to fault-in the page and
the write is retried if the page made it in. While this normally requires
a couple attempts, it is possible a bad user process could attempt to
cause infinite loops.

Ensure fault-in attempts either sync or async are limited to a max of 10
attempts for each update. When the max is hit, return -EFAULT so another
attempt is not made in all cases.

Link: https://lkml.kernel.org/r/20230425225107.8525-5-beaub@linux.microsoft.com

Suggested-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2023-04-25 21:04:45 -04:00