1170410 Commits

Author SHA1 Message Date
Yonggil Song
d11cef14f8 f2fs: Fix system crash due to lack of free space in LFS
When f2fs tries to checkpoint during foreground gc in LFS mode, system
crash occurs due to lack of free space if the amount of dirty node and
dentry pages generated by data migration exceeds free space.
The reproduction sequence is as follows.

 - 20GiB capacity block device (null_blk)
 - format and mount with LFS mode
 - create a file and write 20,000MiB
 - 4k random write on full range of the file

 RIP: 0010:new_curseg+0x48a/0x510 [f2fs]
 Code: 55 e7 f5 89 c0 48 0f af c3 48 8b 5d c0 48 c1 e8 20 83 c0 01 89 43 6c 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc <0f> 0b f0 41 80 4f 48 04 45 85 f6 0f 84 ba fd ff ff e9 ef fe ff ff
 RSP: 0018:ffff977bc397b218 EFLAGS: 00010246
 RAX: 00000000000027b9 RBX: 0000000000000000 RCX: 00000000000027c0
 RDX: 0000000000000000 RSI: 00000000000027b9 RDI: ffff8c25ab4e74f8
 RBP: ffff977bc397b268 R08: 00000000000027b9 R09: ffff8c29e4a34b40
 R10: 0000000000000001 R11: ffff977bc397b0d8 R12: 0000000000000000
 R13: ffff8c25b4dd81a0 R14: 0000000000000000 R15: ffff8c2f667f9000
 FS: 0000000000000000(0000) GS:ffff8c344ec80000(0000) knlGS:0000000000000000
 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 000000c00055d000 CR3: 0000000e30810003 CR4: 00000000003706e0
 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
 Call Trace:
 <TASK>
 allocate_segment_by_default+0x9c/0x110 [f2fs]
 f2fs_allocate_data_block+0x243/0xa30 [f2fs]
 ? __mod_lruvec_page_state+0xa0/0x150
 do_write_page+0x80/0x160 [f2fs]
 f2fs_do_write_node_page+0x32/0x50 [f2fs]
 __write_node_page+0x339/0x730 [f2fs]
 f2fs_sync_node_pages+0x5a6/0x780 [f2fs]
 block_operations+0x257/0x340 [f2fs]
 f2fs_write_checkpoint+0x102/0x1050 [f2fs]
 f2fs_gc+0x27c/0x630 [f2fs]
 ? folio_mark_dirty+0x36/0x70
 f2fs_balance_fs+0x16f/0x180 [f2fs]

This patch adds checking whether free sections are enough before checkpoint
during gc.

Signed-off-by: Yonggil Song <yonggil.song@samsung.com>
[Jaegeuk Kim: code clean-up]
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-04-10 10:58:45 -07:00
Yangtao Li
19e0e21a51 f2fs: remove struct victim_selection default_v_ops
There is only single instance of these ops, and Jaegeuk point out that:

    Originally this was intended to give a chance to provide other
    allocation option. Anyway, it seems quit hard to do it anymore.

So remove the indirection and call f2fs_get_victim() directly.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-04-10 10:58:44 -07:00
Jaegeuk Kim
da6ea0b050 f2fs: fix null pointer panic in tracepoint in __replace_atomic_write_block
We got a kernel panic if old_addr is NULL.

https://bugzilla.kernel.org/show_bug.cgi?id=217266

BUG: kernel NULL pointer dereference, address: 0000000000000000
 Call Trace:
  <TASK>
  f2fs_commit_atomic_write+0x619/0x990 [f2fs a1b985b80f5babd6f3ea778384908880812bfa43]
  __f2fs_ioctl+0xd8e/0x4080 [f2fs a1b985b80f5babd6f3ea778384908880812bfa43]
  ? vfs_write+0x2ae/0x3f0
  ? vfs_write+0x2ae/0x3f0
  __x64_sys_ioctl+0x91/0xd0
  do_syscall_64+0x5c/0x90
  entry_SYSCALL_64_after_hwframe+0x72/0xdc
 RIP: 0033:0x7f69095fe53f

Fixes: 2f3a9ae990a7 ("f2fs: introduce trace_f2fs_replace_atomic_write_block")
Cc: <stable@vger.kernel.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-04-04 13:57:30 -07:00
Qilin Tan
144f1cd40b f2fs: fix iostat lock protection
Made iostat lock irq safe to avoid potentinal deadlock.

Deadlock scenario:
f2fs_attr_store
  -> f2fs_sbi_store
  -> _sbi_store
  -> spin_lock(sbi->iostat_lock)
    <interrupt request>
    -> scsi_end_request
    -> bio_endio
    -> f2fs_dio_read_end_io
    -> f2fs_update_iostat
    -> spin_lock_irqsave(sbi->iostat_lock)  ===> Dead lock here

Fixes: 61803e984307 ("f2fs: fix iostat related lock protection")
Fixes: a1e09b03e6f5 ("f2fs: use iomap for direct I/O")
Signed-off-by: Qilin Tan <qilin.tan@mediatek.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-04-04 13:57:30 -07:00
Yohan Joung
f26aaee60a f2fs: fix align check for npo2
Fix alignment check to be correct in npo2 as well

Signed-off-by: Yohan Joung <yohan.joung@sk.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-04-04 13:57:30 -07:00
Yangtao Li
d4998b7895 f2fs: add compression feature check for all compress mount opt
Opt_compress_chksum, Opt_compress_mode and Opt_compress_cache
lack the necessary check to see if the image supports compression,
let's add it.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-04-04 13:57:29 -07:00
Yangtao Li
c0abbdf2b5 f2fs: convert is_extension_exist() to return bool type
is_extension_exist() only return two values, 0 or 1.
So there is no need to use int type.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-04-04 13:57:29 -07:00
Jaegeuk Kim
1aa161e431 f2fs: fix scheduling while atomic in decompression path
[   16.945668][    C0] Call trace:
[   16.945678][    C0]  dump_backtrace+0x110/0x204
[   16.945706][    C0]  dump_stack_lvl+0x84/0xbc
[   16.945735][    C0]  __schedule_bug+0xb8/0x1ac
[   16.945756][    C0]  __schedule+0x724/0xbdc
[   16.945778][    C0]  schedule+0x154/0x258
[   16.945793][    C0]  bit_wait_io+0x48/0xa4
[   16.945808][    C0]  out_of_line_wait_on_bit+0x114/0x198
[   16.945824][    C0]  __sync_dirty_buffer+0x1f8/0x2e8
[   16.945853][    C0]  __f2fs_commit_super+0x140/0x1f4
[   16.945881][    C0]  f2fs_commit_super+0x110/0x28c
[   16.945898][    C0]  f2fs_handle_error+0x1f4/0x2f4
[   16.945917][    C0]  f2fs_decompress_cluster+0xc4/0x450
[   16.945942][    C0]  f2fs_end_read_compressed_page+0xc0/0xfc
[   16.945959][    C0]  f2fs_handle_step_decompress+0x118/0x1cc
[   16.945978][    C0]  f2fs_read_end_io+0x168/0x2b0
[   16.945993][    C0]  bio_endio+0x25c/0x2c8
[   16.946015][    C0]  dm_io_dec_pending+0x3e8/0x57c
[   16.946052][    C0]  clone_endio+0x134/0x254
[   16.946069][    C0]  bio_endio+0x25c/0x2c8
[   16.946084][    C0]  blk_update_request+0x1d4/0x478
[   16.946103][    C0]  scsi_end_request+0x38/0x4cc
[   16.946129][    C0]  scsi_io_completion+0x94/0x184
[   16.946147][    C0]  scsi_finish_command+0xe8/0x154
[   16.946164][    C0]  scsi_complete+0x90/0x1d8
[   16.946181][    C0]  blk_done_softirq+0xa4/0x11c
[   16.946198][    C0]  _stext+0x184/0x614
[   16.946214][    C0]  __irq_exit_rcu+0x78/0x144
[   16.946234][    C0]  handle_domain_irq+0xd4/0x154
[   16.946260][    C0]  gic_handle_irq.33881+0x5c/0x27c
[   16.946281][    C0]  call_on_irq_stack+0x40/0x70
[   16.946298][    C0]  do_interrupt_handler+0x48/0xa4
[   16.946313][    C0]  el1_interrupt+0x38/0x68
[   16.946346][    C0]  el1h_64_irq_handler+0x20/0x30
[   16.946362][    C0]  el1h_64_irq+0x78/0x7c
[   16.946377][    C0]  finish_task_switch+0xc8/0x3d8
[   16.946394][    C0]  __schedule+0x600/0xbdc
[   16.946408][    C0]  preempt_schedule_common+0x34/0x5c
[   16.946423][    C0]  preempt_schedule+0x44/0x48
[   16.946438][    C0]  process_one_work+0x30c/0x550
[   16.946456][    C0]  worker_thread+0x414/0x8bc
[   16.946472][    C0]  kthread+0x16c/0x1e0
[   16.946486][    C0]  ret_from_fork+0x10/0x20

Fixes: bff139b49d9f ("f2fs: handle decompress only post processing in softirq")
Fixes: 95fa90c9e5a7 ("f2fs: support recording errors into superblock")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:40 -07:00
Hans Holmberg
92318f20d7 f2fs: preserve direct write semantics when buffering is forced
In some cases, e.g. for zoned block devices, direct writes are
forced into buffered writes that will populate the page cache
and be written out just like buffered io.

Direct reads, on the other hand, is supported for the zoned
block device case. This has the effect that applications
built for direct io will fill up the page cache with data
that will never be read, and that is a waste of resources.

If we agree that this is a problem, how do we fix it?

A) Supporting proper direct writes for zoned block devices would
be the best, but it is currently not supported (probably for
a good but non-obvious reason). Would it be feasible to
implement proper direct IO?

B) Avoid the cost of keeping unwanted data by syncing and throwing
out the cached pages for buffered O_DIRECT writes before completion.

This patch implements B) by reusing the code for how partial
block writes are flushed out on the "normal" direct write path.

Note that this changes the performance characteristics of f2fs
quite a bit.

Direct IO performance for zoned block devices is lower for
small writes after this patch, but this should be expected
with direct IO and in line with how f2fs behaves on top of
conventional block devices.

Another open question is if the flushing should be done for
all cases where buffered writes are forced.

Signed-off-by: Hans Holmberg <hans.holmberg@wdc.com>
Reviewed-by: Yonggil Song <yonggil.song@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:39 -07:00
Yangtao Li
babedcbac1 f2fs: compress: fix to call f2fs_wait_on_page_writeback() in f2fs_write_raw_pages()
BUG_ON() will be triggered when writing files concurrently,
because the same page is writtenback multiple times.

1597 void folio_end_writeback(struct folio *folio)
1598 {
		......
1618     if (!__folio_end_writeback(folio))
1619         BUG();
		......
1625 }

kernel BUG at mm/filemap.c:1619!
Call Trace:
 <TASK>
 f2fs_write_end_io+0x1a0/0x370
 blk_update_request+0x6c/0x410
 blk_mq_end_request+0x15/0x130
 blk_complete_reqs+0x3c/0x50
 __do_softirq+0xb8/0x29b
 ? sort_range+0x20/0x20
 run_ksoftirqd+0x19/0x20
 smpboot_thread_fn+0x10b/0x1d0
 kthread+0xde/0x110
 ? kthread_complete_and_exit+0x20/0x20
 ret_from_fork+0x22/0x30
 </TASK>

Below is the concurrency scenario:

[Process A]		[Process B]		[Process C]
f2fs_write_raw_pages()
  - redirty_page_for_writepage()
  - unlock page()
			f2fs_do_write_data_page()
			  - lock_page()
			  - clear_page_dirty_for_io()
			  - set_page_writeback() [1st writeback]
			    .....
			    - unlock page()

						generic_perform_write()
						  - f2fs_write_begin()
						    - wait_for_stable_page()

						  - f2fs_write_end()
						    - set_page_dirty()

  - lock_page()
    - f2fs_do_write_data_page()
      - set_page_writeback() [2st writeback]

This problem was introduced by the previous commit 7377e853967b ("f2fs:
compress: fix potential deadlock of compress file"). All pagelocks were
released in f2fs_write_raw_pages(), but whether the page was
in the writeback state was ignored in the subsequent writing process.
Let's fix it by waiting for the page to writeback before writing.

Cc: Christoph Hellwig <hch@lst.de>
Fixes: 4c8ff7095bef ("f2fs: support data compression")
Fixes: 7377e853967b ("f2fs: compress: fix potential deadlock of compress file")
Signed-off-by: Qi Han <hanqi@vivo.com>
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:39 -07:00
Yangtao Li
c948be797d f2fs: remove else in f2fs_write_cache_pages()
As Christoph Hellwig point out:

	Please avoid the else by doing the goto in the branch.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:39 -07:00
Jaegeuk Kim
0b37ed21e3 f2fs: apply zone capacity to all zone type
If we manage the zone capacity per zone type, it'll break the GC assumption.
And, the current logic complains valid block count mismatch.
Let's apply zone capacity to all zone type, if specified.

Fixes: de881df97768 ("f2fs: support zone capacity less than zone size")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:39 -07:00
Yangtao Li
b822dc9149 f2fs: fix to handle filemap_fdatawrite() error in f2fs_ioc_decompress_file/f2fs_ioc_compress_file
It seems inappropriate that the current logic does not handle
filemap_fdatawrite() errors, so let's fix it.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:39 -07:00
Yangtao Li
5bb9c111cd f2fs: convert to MAX_SBI_FLAG instead of 32 in stat_show()
BIW reduce the s_flag array size and make s_flag constant.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:39 -07:00
Yonggil Song
6797ebc4ac f2fs: Fix discard bug on zoned block devices with 2MiB zone size
When using f2fs on a zoned block device with 2MiB zone size, IO errors
occurs because f2fs tries to write data to a zone that has not been reset.

The cause is that f2fs tries to discard multiple zones at once. This is
caused by a condition in f2fs_clear_prefree_segments that does not check
for zoned block devices when setting the discard range. This leads to
invalid reset commands and write pointer mismatches.

This patch fixes the zoned block device with 2MiB zone size to reset one
zone at a time.

Signed-off-by: Yonggil Song <yonggil.song@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:38 -07:00
Jaegeuk Kim
bf21acf995 f2fs: remove entire rb_entry sharing
This is a last part to remove the memory sharing for rb_tree in extent_cache.

This should also fix arm32 memory alignment issue.

[struct extent_node]               [struct rb_entry]
[0] struct rb_node rb_node;        [0] struct rb_node rb_node;
  union {                              union {
    struct {                             struct {
[16]  unsigned int fofs;           [12]    unsigned int ofs;
      unsigned int len;                    unsigned int len;
                                         };
                                         unsigned long long key;
                                       } __packed;

Cc: <stable@vger.kernel.org>
Fixes: 13054c548a1c ("f2fs: introduce infra macro and data structure of rb-tree extent cache")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:38 -07:00
Jaegeuk Kim
f69475dd48 f2fs: factor out discard_cmd usage from general rb_tree use
This is a second part to remove the mixed use of rb_tree in discard_cmd from
extent_cache.

This should also fix arm32 memory alignment issue caused by shared rb_entry.

[struct discard_cmd]               [struct rb_entry]
[0] struct rb_node rb_node;        [0] struct rb_node rb_node;
  union {                              union {
    struct {                             struct {
[16]  block_t lstart;              [12]    unsigned int ofs;
      block_t len;                         unsigned int len;
                                         };
                                         unsigned long long key;
                                       } __packed;

Cc: <stable@vger.kernel.org>
Fixes: 004b68621897 ("f2fs: use rb-tree to track pending discard commands")
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:38 -07:00
Jaegeuk Kim
043d2d00b4 f2fs: factor out victim_entry usage from general rb_tree use
Let's reduce the complexity of mixed use of rb_tree in victim_entry from
extent_cache and discard_cmd.

This should fix arm32 memory alignment issue caused by shared rb_entry.

[struct victim_entry]              [struct rb_entry]
[0] struct rb_node rb_node;        [0] struct rb_node rb_node;
                                       union {
                                         struct {
                                           unsigned int ofs;
                                           unsigned int len;
                                         };
[16] unsigned long long mtime;     [12] unsigned long long key;
                                       } __packed;

Cc: <stable@vger.kernel.org>
Fixes: 093749e296e2 ("f2fs: support age threshold based garbage collection")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:38 -07:00
Yonggil Song
c17caf0ba3 f2fs: fix uninitialized skipped_gc_rwsem
When f2fs skipped a gc round during victim migration, there was a bug which
would skip all upcoming gc rounds unconditionally because skipped_gc_rwsem
was not initialized. It fixes the bug by correctly initializing the
skipped_gc_rwsem inside the gc loop.

Fixes: 6f8d4455060d ("f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc")
Signed-off-by: Yonggil Song <yonggil.song@samsung.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:38 -07:00
Yangtao Li
8051692f5f f2fs: handle dqget error in f2fs_transfer_project_quota()
We should set the error code when dqget() failed.

Fixes: 2c1d03056991 ("f2fs: support F2FS_IOC_FS{GET,SET}XATTR")
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:37 -07:00
Yangtao Li
447286ebad f2fs: convert to use bitmap API
Let's use BIT() and GENMASK() instead of open it.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:37 -07:00
Yangtao Li
960fa2c828 f2fs: export compress_percent and compress_watermark entries
This patch export below sysfs entries for better control cached
compress page count.

/sys/fs/f2fs/<disk>/compress_watermark
/sys/fs/f2fs/<disk>/compress_percent

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:37 -07:00
Li Zetao
6063037506 f2fs: make f2fs_sync_inode_meta() static
After commit 26b5a079197c ("f2fs: cleanup dirty pages if recover failed"),
f2fs_sync_inode_meta() is only used in checkpoint.c, so
f2fs_sync_inode_meta() should only be visible inside. Delete the
declaration in the header file and change f2fs_sync_inode_meta()
to static.

Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-03-29 15:17:37 -07:00
Linus Torvalds
ffe78bbd51 Xtensa fixes for v6.3:
- fix KASAN report in show_stack
 - drop linux-xtensa mailing list from the MAINTAINERS file
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Merge tag 'xtensa-20230327' of https://github.com/jcmvbkbc/linux-xtensa

Pull xtensa fixes from Max Filippov:

 - fix KASAN report in show_stack

 - drop linux-xtensa mailing list from the MAINTAINERS file

* tag 'xtensa-20230327' of https://github.com/jcmvbkbc/linux-xtensa:
  MAINTAINERS: xtensa: drop linux-xtensa@linux-xtensa.org mailing list
  xtensa: fix KASAN report for show_stack
2023-03-29 10:24:07 -07:00
Linus Torvalds
3577a4d37f f2fs fix for 6.3-rc5
This fixes a tracepoint field size in f2fs, and another patch [1] to reveal this
 bug comes in rc5 as well.
 
 [1] https://patchwork.kernel.org/project/linux-trace-kernel/patch/20230309221302.642e82d9@gandalf.local.home/
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Merge tag 'f2fs-fix-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs fix from Jaegeuk Kim:
 "This fixes a tracepoint field size in f2fs in preparation for stricter
  rules for tracing fields"

* tag 'f2fs-fix-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
  f2fs: Fix f2fs_truncate_partial_nodes ftrace event
2023-03-29 10:13:37 -07:00
Linus Torvalds
fcd476ea6a Urgent RCU pull request for v6.3
This commit brings the rcu_torture_read event trace into line with
 the new trace tools by replacing this event trace's __field() with the
 corresponding __array().  Without this commit, the new trace tools will
 fail when presented wtih an rcu_torture_read event trace, which is a
 regression from the viewpoint of trace tools users.
 
 https://lore.kernel.org/all/20230320133650.5388a05e@gandalf.local.home/
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Merge tag 'urgent-rcu.2023.03.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull RCU fix from Paul McKenney:
 "This brings the rcu_torture_read event trace into line with the new
  trace tools by replacing this event trace's __field() with the
  corresponding __array().

  Without this, the new trace tools will fail when presented wtih an
  rcu_torture_read event trace, which is a regression from the viewpoint
  of trace tools users"

Link: https://lore.kernel.org/all/20230320133650.5388a05e@gandalf.local.home/

* tag 'urgent-rcu.2023.03.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  rcu: Fix rcu_torture_read ftrace event
2023-03-28 13:28:52 -07:00
Linus Torvalds
756c1a0593 linux-kselftest-fixes-6.3-rc5
This Kselftest fixes update for Linux 6.3-rc5 consists of one single
 fix for sigaltstack test -Wuninitialized warning found when building
 with clang.
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Merge tag 'linux-kselftest-fixes-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest fixes from Shuah Khan:
 "One single fix for sigaltstack test -Wuninitialized warning found when
  building with clang"

* tag 'linux-kselftest-fixes-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: sigaltstack: fix -Wuninitialized
2023-03-28 13:14:47 -07:00
Linus Torvalds
05c24161f4 s390 updates for 6.3-rc5
- Fix an error handling issue with PTRACE_GET_LAST_BREAK request so that
   an -EFAULT is returned if put_user() fails, instead of ignoring it.
 
 - Fix a build race for the modules_prepare target when
   CONFIG_EXPOLINE_EXTERN is enabled by reintroducing the dependence
   on scripts.
 
 - Fix a memory leak in vfio_ap device driver.
 
 - Adds missing earlyclobber annotations to __clear_user() inline assembly
   to prevent incorrect register allocation.
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Merge tag 's390-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Vasily Gorbik:

 - Fix an error handling issue with PTRACE_GET_LAST_BREAK request so
   that -EFAULT is returned if put_user() fails, instead of ignoring it

 - Fix a build race for the modules_prepare target when
   CONFIG_EXPOLINE_EXTERN is enabled by reintroducing the dependence on
   scripts

 - Fix a memory leak in vfio_ap device driver

 - Add missing earlyclobber annotations to __clear_user() inline
   assembly to prevent incorrect register allocation

* tag 's390-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/ptrace: fix PTRACE_GET_LAST_BREAK error handling
  s390: reintroduce expoline dependence to scripts
  s390/vfio-ap: fix memory leak in vfio_ap device driver
  s390/uaccess: add missing earlyclobber annotations to __clear_user()
2023-03-28 10:43:04 -07:00
Linus Torvalds
3a93e40326 RISC-V:
* Fix VM hang in case of timer delta being zero
 
 ARM:
 
 * Fixes for the MMU:
 
   * Read the MMU notifier seq before dropping the mmap lock to guard
     against reading a potentially stale VMA
 
   * Disable interrupts when walking user page tables to protect against
     the page table being freed
 
   * Read the MTE permissions for the VMA within the mmap lock critical
     section, avoiding the use of a potentally stale VMA pointer
 
 * Fixes for the vPMU:
 
   * Return the sum of the current perf event value and PMC snapshot for
     reads from userspace
 
   * Don't save the value of guest writes to PMCR_EL0.{C,P}, which could
     otherwise lead to userspace erroneously resetting the vPMU during VM
     save/restore
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "RISC-V:

   - Fix VM hang in case of timer delta being zero

 ARM:

   - MMU fixes:

      - Read the MMU notifier seq before dropping the mmap lock to guard
        against reading a potentially stale VMA

      - Disable interrupts when walking user page tables to protect
        against the page table being freed

      - Read the MTE permissions for the VMA within the mmap lock
        critical section, avoiding the use of a potentally stale VMA
        pointer

   - vPMU fixes:

      - Return the sum of the current perf event value and PMC snapshot
        for reads from userspace

      - Don't save the value of guest writes to PMCR_EL0.{C,P}, which
        could otherwise lead to userspace erroneously resetting the vPMU
        during VM save/restore"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  riscv/kvm: Fix VM hang in case of timer delta being zero.
  KVM: arm64: Check for kvm_vma_mte_allowed in the critical section
  KVM: arm64: Disable interrupts while walking userspace PTs
  KVM: arm64: Retry fault if vma_lookup() results become invalid
  KVM: arm64: PMU: Don't save PMCR_EL0.{C,P} for the vCPU
  KVM: arm64: PMU: Fix GET_ONE_REG for vPMC regs to return the current value
2023-03-27 12:22:45 -07:00
Linus Torvalds
91fe204578 platform-drivers-x86 for v6.3-3
Highlights:
  -  Intel tpmi/vsec fixes
  -  think-lmi fixes
  -  2 other small fixes / hw-id additions
 
 The following is an automated git shortlog grouped by driver:
 
 platform/surface:
  -  aggregator: Add missing fwnode_handle_put()
 
 platform/x86 (gigabyte-wmi):
  -  Add support for A320M-S2H V2
 
 platform/x86/intel:
  -  tpmi: Revise the comment of intel_vsec_add_aux
  -  tpmi: Fix double free in tpmi_create_device()
  -  vsec: Fix a memory leak in intel_vsec_add_aux
 
 think-lmi:
  -  Add possible_values for ThinkStation
  -  only display possible_values if available
  -  use correct possible_values delimiters
  -  add missing type attribute
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Merge tag 'platform-drivers-x86-v6.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:

 -  Intel tpmi/vsec fixes

 -  think-lmi fixes

 -  two other small fixes / hw-id additions

* tag 'platform-drivers-x86-v6.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/surface: aggregator: Add missing fwnode_handle_put()
  platform/x86: think-lmi: Add possible_values for ThinkStation
  platform/x86: think-lmi: only display possible_values if available
  platform/x86: think-lmi: use correct possible_values delimiters
  platform/x86: think-lmi: add missing type attribute
  platform/x86 (gigabyte-wmi): Add support for A320M-S2H V2
  platform/x86/intel: tpmi: Revise the comment of intel_vsec_add_aux
  platform/x86/intel: tpmi: Fix double free in tpmi_create_device()
  platform/x86/intel: vsec: Fix a memory leak in intel_vsec_add_aux
2023-03-27 09:45:39 -07:00
Linus Torvalds
fc5d1a9233 Raw NAND controller driver fixes:
* meson:
   - Invalidate cache on polling ECC bit
   - Initialize struct with zeroes
 * nandsim: Artificially prevent sequential page reads
 
 ECC engine driver fixes:
 * mxic-ecc: Fix mxic_ecc_data_xfer_wait_for_completion() when irq is used
 
 Binging fixes:
 * jedec,spi-nor: Document CPOL/CPHA support
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Merge tag 'mtd/fixes-for-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD fixes from Miquel Raynal:
 "Raw NAND controller driver fixes:

   - meson:
      - Invalidate cache on polling ECC bit
      - Initialize struct with zeroes

   - nandsim: Artificially prevent sequential page reads

  ECC engine driver fixes:

   - mxic-ecc: Fix mxic_ecc_data_xfer_wait_for_completion() when irq is
     used

  Binging fixes:

   - jedec,spi-nor: Document CPOL/CPHA support"

* tag 'mtd/fixes-for-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
  mtd: rawnand: meson: invalidate cache on polling ECC bit
  mtd: rawnand: nandsim: Artificially prevent sequential page reads
  dt-bindings: mtd: jedec,spi-nor: Document CPOL/CPHA support
  mtd: nand: mxic-ecc: Fix mxic_ecc_data_xfer_wait_for_completion() when irq is used
  mtd: rawnand: meson: initialize struct with zeroes
2023-03-27 09:41:17 -07:00
Heiko Carstens
f9bbf25e7b s390/ptrace: fix PTRACE_GET_LAST_BREAK error handling
Return -EFAULT if put_user() for the PTRACE_GET_LAST_BREAK
request fails, instead of silently ignoring it.

Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2023-03-27 17:23:08 +02:00
Jiri Slaby (SUSE)
7bb2107e63 s390: reintroduce expoline dependence to scripts
Expolines depend on scripts/basic/fixdep. And build of expolines can now
race with the fixdep build:

 make[1]: *** Deleting file 'arch/s390/lib/expoline/expoline.o'
 /bin/sh: line 1: scripts/basic/fixdep: Permission denied
 make[1]: *** [../scripts/Makefile.build:385: arch/s390/lib/expoline/expoline.o] Error 126
 make: *** [../arch/s390/Makefile:166: expoline_prepare] Error 2

The dependence was removed in the below Fixes: commit. So reintroduce
the dependence on scripts.

Fixes: a0b0987a7811 ("s390/nospec: remove unneeded header includes")
Cc: Joe Lawrence <joe.lawrence@redhat.com>
Cc: stable@vger.kernel.org
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: linux-s390@vger.kernel.org
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230316112809.7903-1-jirislaby@kernel.org
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2023-03-27 17:23:08 +02:00
Tony Krowiak
8f8cf76758 s390/vfio-ap: fix memory leak in vfio_ap device driver
The device release callback function invoked to release the matrix device
uses the dev_get_drvdata(device *dev) function to retrieve the
pointer to the vfio_matrix_dev object in order to free its storage. The
problem is, this object is not stored as drvdata with the device; since the
kfree function will accept a NULL pointer, the memory for the
vfio_matrix_dev object is never freed.

Since the device being released is contained within the vfio_matrix_dev
object, the container_of macro will be used to retrieve its pointer.

Fixes: 1fde573413b5 ("s390: vfio-ap: base implementation of VFIO AP device driver")
Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Link: https://lore.kernel.org/r/20230320150447.34557-1-akrowiak@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2023-03-27 17:23:08 +02:00
Heiko Carstens
89aba4c26f s390/uaccess: add missing earlyclobber annotations to __clear_user()
Add missing earlyclobber annotation to size, to, and tmp2 operands of the
__clear_user() inline assembly since they are modified or written to before
the last usage of all input operands. This can lead to incorrect register
allocation for the inline assembly.

Fixes: 6c2a9e6df604 ("[S390] Use alternative user-copy operations for new hardware.")
Reported-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/all/20230321122514.1743889-3-mark.rutland@arm.com/
Cc: stable@vger.kernel.org
Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2023-03-27 17:23:08 +02:00
Paolo Bonzini
9e347ba030 KVM/riscv fixes for 6.3, take #1
- Fix VM hang in case of timer delta being zero
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Merge tag 'kvm-riscv-fixes-6.3-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv fixes for 6.3, take #1

- Fix VM hang in case of timer delta being zero
2023-03-27 10:04:07 -04:00
Paolo Bonzini
8607daa214 KVM/arm64 fixes for 6.3, part #2
Fixes for a rather interesting set of bugs relating to the MMU:
 
  - Read the MMU notifier seq before dropping the mmap lock to guard
    against reading a potentially stale VMA
 
  - Disable interrupts when walking user page tables to protect against
    the page table being freed
 
  - Read the MTE permissions for the VMA within the mmap lock critical
    section, avoiding the use of a potentally stale VMA pointer
 
 Additionally, some fixes targeting the vPMU:
 
  - Return the sum of the current perf event value and PMC snapshot for
    reads from userspace
 
  - Don't save the value of guest writes to PMCR_EL0.{C,P}, which could
    otherwise lead to userspace erroneously resetting the vPMU during VM
    save/restore
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Merge tag 'kvmarm-fixes-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.3, part #2

Fixes for a rather interesting set of bugs relating to the MMU:

 - Read the MMU notifier seq before dropping the mmap lock to guard
   against reading a potentially stale VMA

 - Disable interrupts when walking user page tables to protect against
   the page table being freed

 - Read the MTE permissions for the VMA within the mmap lock critical
   section, avoiding the use of a potentally stale VMA pointer

Additionally, some fixes targeting the vPMU:

 - Return the sum of the current perf event value and PMC snapshot for
   reads from userspace

 - Don't save the value of guest writes to PMCR_EL0.{C,P}, which could
   otherwise lead to userspace erroneously resetting the vPMU during VM
   save/restore
2023-03-27 10:03:16 -04:00
Linus Torvalds
197b6b60ae Linux 6.3-rc4 v6.3-rc4 2023-03-26 14:40:20 -07:00
Linus Torvalds
0ec57cfa72 USB/Thunderbolt driver fixes for 6.3-rc4
Here are a small set of USB and Thunderbolt driver fixes for reported
 problems and a documentation update, for 6.3-rc4.
 
 Included in here are:
   - documentation update for uvc gadget driver
   - small thunderbolt driver fixes
   - cdns3 driver fixes
   - dwc3 driver fixes
   - dwc2 driver fixes
   - chipidea driver fixes
   - typec driver fixes
   - onboard_usb_hub device id updates
   - quirk updates
 
 All of these have been in linux-next with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt driver fixes from Greg KH:
 "Here are a small set of USB and Thunderbolt driver fixes for reported
  problems and a documentation update, for 6.3-rc4.

  Included in here are:

   - documentation update for uvc gadget driver

   - small thunderbolt driver fixes

   - cdns3 driver fixes

   - dwc3 driver fixes

   - dwc2 driver fixes

   - chipidea driver fixes

   - typec driver fixes

   - onboard_usb_hub device id updates

   - quirk updates

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

* tag 'usb-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (30 commits)
  usb: dwc2: fix a race, don't power off/on phy for dual-role mode
  usb: dwc2: fix a devres leak in hw_enable upon suspend resume
  usb: chipidea: core: fix possible concurrent when switch role
  usb: chipdea: core: fix return -EINVAL if request role is the same with current role
  thunderbolt: Rename shadowed variables bit to interrupt_bit and auto_clear_bit
  thunderbolt: Disable interrupt auto clear for rings
  thunderbolt: Use const qualifier for `ring_interrupt_index`
  usb: gadget: Use correct endianness of the wLength field for WebUSB
  uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS583Gen 2
  usb: cdnsp: changes PCI Device ID to fix conflict with CNDS3 driver
  usb: cdns3: Fix issue with using incorrect PCI device function
  usb: cdnsp: Fixes issue with redundant Status Stage
  MAINTAINERS: make me a reviewer of USB/IP
  thunderbolt: Use scale field when allocating USB3 bandwidth
  thunderbolt: Limit USB3 bandwidth of certain Intel USB4 host routers
  thunderbolt: Call tb_check_quirks() after initializing adapters
  thunderbolt: Add missing UNSET_INBOUND_SBTX for retimer access
  thunderbolt: Fix memory leak in margining
  usb: dwc2: drd: fix inconsistent mode if role-switch-default-mode="host"
  docs: usb: Add documentation for the UVC Gadget
  ...
2023-03-26 10:22:44 -07:00
Linus Torvalds
18940c888c - Fix a corner case where vruntime of a task is not being sanitized
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Merge tag 'sched_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Borislav Petkov:

 - Fix a corner case where vruntime of a task is not being sanitized

* tag 'sched_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Sanitize vruntime of entity being migrated
2023-03-26 09:18:30 -07:00
Linus Torvalds
974fc94336 - Properly clear perf event status tracking in the AMD perf event
overflow handler
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Merge tag 'perf_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fix from Borislav Petkov:

 - Properly clear perf event status tracking in the AMD perf event
   overflow handler

* tag 'perf_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/amd/core: Always clear status for idx
2023-03-26 09:13:35 -07:00
Linus Torvalds
f6cdaeb08b - Do the delayed RCU wakeup for kthreads in the proper order so that
former doesn't get ignored
 
 - A noinstr warning fix
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Merge tag 'core_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull core fixes from Borislav Petkov:

 - Do the delayed RCU wakeup for kthreads in the proper order so that
   former doesn't get ignored

 - A noinstr warning fix

* tag 'core_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  entry/rcu: Check TIF_RESCHED _after_ delayed RCU wake-up
  entry: Fix noinstr warning in __enter_from_user_mode()
2023-03-26 09:06:20 -07:00
Linus Torvalds
986c63741d - Add a AMX ptrace self test
- Prevent a false-positive warning when retrieving the (invalid) address of
   dynamic FPU features in their init state which are not saved in
   init_fpstate at all
 
 - Randomize per-CPU entry areas only when KASLR is enabled
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Merge tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:

 - Add a AMX ptrace self test

 - Prevent a false-positive warning when retrieving the (invalid)
   address of dynamic FPU features in their init state which are not
   saved in init_fpstate at all

 - Randomize per-CPU entry areas only when KASLR is enabled

* tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  selftests/x86/amx: Add a ptrace test
  x86/fpu/xstate: Prevent false-positive warning in __copy_xstate_uabi_buf()
  x86/mm: Do not shuffle CPU entry areas without KASLR
2023-03-26 09:01:24 -07:00
Linus Torvalds
6485ac65af Twelve cifs/smb3 client fixes (most also for stable)
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Merge tag 'smb3-client-fixes-6.3-rc3' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs client fixes from Steve French:
 "Twelve cifs/smb3 client fixes (most also for stable)

   - forced umount fix

   - fix for two perf regressions

   - reconnect fixes

   - small debugging improvements

   - multichannel fixes"

* tag 'smb3-client-fixes-6.3-rc3' of git://git.samba.org/sfrench/cifs-2.6:
  smb3: fix unusable share after force unmount failure
  cifs: fix dentry lookups in directory handle cache
  smb3: lower default deferred close timeout to address perf regression
  cifs: fix missing unload_nls() in smb2_reconnect()
  cifs: avoid race conditions with parallel reconnects
  cifs: append path to open_enter trace event
  cifs: print session id while listing open files
  cifs: dump pending mids for all channels in DebugData
  cifs: empty interface list when server doesn't support query interfaces
  cifs: do not poll server interfaces too regularly
  cifs: lock chan_lock outside match_session
  cifs: check only tcon status on tcon related functions
2023-03-26 08:56:09 -07:00
Linus Torvalds
da8e7da11e nfsd-6.3 fixes:
- Fix a crash when using NFS with krb5p
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Merge tag 'nfsd-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd fix from Chuck Lever:

 - Fix a crash when using NFS with krb5p

* tag 'nfsd-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  SUNRPC: Fix a crash in gss_krb5_checksum()
2023-03-25 13:32:43 -07:00
Linus Torvalds
5b9ff397a2 More fixes for 6.3-rc3:
* Fix the new allocator tracepoints because git am mismerged the
    changes such that the trace_XXX got rebased to be in function YYY
    instead of XXX.
  * Ensure that the perag AGFL_RESET state is consistent with whatever
    we've just read off the disk.
  * Fix a bug where we used the wrong iext cursor during a write begin.
 
 Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-fixes-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull yet more xfs bug fixes from Darrick Wong:
 "The first bugfix addresses a longstanding problem where we use the
  wrong file mapping cursors when trying to compute the speculative
  preallocation quantity. This has been causing sporadic crashes when
  alwayscow mode is engaged.

  The other two fixes correct minor problems in more recent changes.

   - Fix the new allocator tracepoints because git am mismerged the
     changes such that the trace_XXX got rebased to be in function YYY
     instead of XXX

   - Ensure that the perag AGFL_RESET state is consistent with whatever
     we've just read off the disk

   - Fix a bug where we used the wrong iext cursor during a write begin"

* tag 'xfs-6.3-fixes-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: fix mismerged tracepoints
  xfs: clear incore AGFL_RESET state if it's not needed
  xfs: pass the correct cursor to xfs_iomap_prealloc_size
2023-03-25 13:12:36 -07:00
Linus Torvalds
f768b35a23 Fixes for 6.3-rc3:
* Fix a race in the percpu counters summation code where the summation
    failed to add in the values for any CPUs that were dying but not yet
    dead.  This fixes some minor discrepancies and incorrect assertions
    when running generic/650.
 
 Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs percpu counter fixes from Darrick Wong:
 "We discovered a filesystem summary counter corruption problem that was
  traced to cpu hot-remove racing with the call to percpu_counter_sum
  that sets the free block count in the superblock when writing it to
  disk. The root cause is that percpu_counter_sum doesn't cull from
  dying cpus and hence misses those counter values if the cpu shutdown
  hooks have not yet run to merge the values.

  I'm hoping this is a fairly painless fix to the problem, since the
  dying cpu mask should generally be empty. It's been in for-next for a
  week without any complaints from the bots.

   - Fix a race in the percpu counters summation code where the
     summation failed to add in the values for any CPUs that were dying
     but not yet dead. This fixes some minor discrepancies and incorrect
     assertions when running generic/650"

* tag 'xfs-6.3-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  pcpcntr: remove percpu_counter_sum_all()
  fork: remove use of percpu_counter_sum_all
  pcpcntrs: fix dying cpu summation race
  cpumask: introduce for_each_cpu_or
2023-03-25 12:57:34 -07:00
Linus Torvalds
d704426300 Fixes for 6.3-rc2:
* Add a few debugging assertions so that people (me) trying to port
    code to the new allocator functions don't mess up the caller
    requirements.
  * Relax some overly cautious lock ordering enforcement in the new
    allocator code, which means that file allocations will locklessly
    scan for the best space they can get before backing off to the
    traditional lock-and-really-get-it behavior.
  * Add tracepoints to make it easier to trace the xfs allocator
    behavior.
  * Actually test the dir/xattr hash algorithm to make sure it produces
    consistent results across all the platforms XFS supports.
 
 Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Darrick Wong:
 "This batch started with some debugging enhancements to the new
  allocator refactoring that we put in 6.3-rc1 to assist developers in
  rebasing their dev branches.

  As for more serious code changes -- there's a bug fix to make the
  lockless allocator scan the whole filesystem before resorting to the
  locking allocator. We're also adding a selftest for the venerable
  directory/xattr hash function to make sure that it produces consistent
  results so that we can address any fallout as soon as possible.

   - Add a few debugging assertions so that people (me) trying to port
     code to the new allocator functions don't mess up the caller
     requirements

   - Relax some overly cautious lock ordering enforcement in the new
     allocator code, which means that file allocations will locklessly
     scan for the best space they can get before backing off to the
     traditional lock-and-really-get-it behavior

   - Add tracepoints to make it easier to trace the xfs allocator
     behavior

   - Actually test the dir/xattr hash algorithm to make sure it produces
     consistent results across all the platforms XFS supports"

* tag 'xfs-6.3-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: test dir/attr hash when loading module
  xfs: add tracepoints for each of the externally visible allocators
  xfs: walk all AGs if TRYLOCK passed to xfs_alloc_vextent_iterate_ags
  xfs: try to idiot-proof the allocators
2023-03-25 12:51:25 -07:00
Linus Torvalds
4bdec23f97 hwmon fixes for v6.3-rc4
- it87: Fix voltage scaling for chips with 10.9mV ADCs
 
 - xgene: Fix ioremap and memremap leak
 
 - peci/cputemp: Fix miscalculated DTS temperature for SKX
 
 - hwmon core: fix potential sensor registration failure with thermal subsystem
   if of_node is missing
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Merge tag 'hwmon-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - it87: Fix voltage scaling for chips with 10.9mV ADCs

 - xgene: Fix ioremap and memremap leak

 - peci/cputemp: Fix miscalculated DTS temperature for SKX

 - hwmon core: fix potential sensor registration failure with thermal
   subsystem if of_node is missing

* tag 'hwmon-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon (it87): Fix voltage scaling for chips with 10.9mV  ADCs
  hwmon: (xgene) Fix ioremap and memremap leak
  hwmon: fix potential sensor registration fail if of_node is missing
  hwmon: (peci/cputemp) Fix miscalculated DTS for SKX
2023-03-25 10:27:27 -07:00
Linus Torvalds
65aca32efd 21 hotfixes, 8 of which are cc:stable. 11 are for MM, the remainder are
for other subsystems.
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Merge tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "21 hotfixes, 8 of which are cc:stable. 11 are for MM, the remainder
  are for other subsystems"

* tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
  mm: mmap: remove newline at the end of the trace
  mailmap: add entries for Richard Leitner
  kcsan: avoid passing -g for test
  kfence: avoid passing -g for test
  mm: kfence: fix using kfence_metadata without initialization in show_object()
  lib: dhry: fix unstable smp_processor_id(_) usage
  mailmap: add entry for Enric Balletbo i Serra
  mailmap: map Sai Prakash Ranjan's old address to his current one
  mailmap: map Rajendra Nayak's old address to his current one
  Revert "kasan: drop skip_kasan_poison variable in free_pages_prepare"
  mailmap: add entry for Tobias Klauser
  kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
  mm/ksm: fix race with VMA iteration and mm_struct teardown
  kselftest: vm: fix unused variable warning
  mm: fix error handling for map_deny_write_exec
  mm: deduplicate error handling for map_deny_write_exec
  checksyscalls: ignore fstat to silence build warning on LoongArch
  nilfs2: fix kernel-infoleak in nilfs_ioctl_wrap_copy()
  test_maple_tree: add more testing for mas_empty_area()
  maple_tree: fix mas_skip_node() end slot detection
  ...
2023-03-24 18:06:11 -07:00