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Author SHA1 Message Date
Petr Mladek
2d9ef940f8 Revert "printk: extend console_lock for per-console locking" 
This reverts commit 8e27473211.

The testing of 5.19 release candidates revealed missing synchronization
between early and regular console functionality.

It would be possible to start the console kthreads later as a workaround.
But it is clear that console lock serialized console drivers between
each other. It opens a big area of possible problems that were not
considered by people involved in the development and review.

printk() is crucial for debugging kernel issues and console output is
very important part of it. The number of consoles is huge and a proper
review would take some time. As a result it need to be reverted for 5.19.

Link: https://lore.kernel.org/r/YrBdjVwBOVgLfHyb@alley
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220623145157.21938-5-pmladek@suse.com
 2022-06-23 18:41:40 +02:00
Petr Mladek
007eeab7e9 Revert "printk: remove @console_locked" 
This reverts commit ab406816fc.

The testing of 5.19 release candidates revealed missing synchronization
between early and regular console functionality.

It would be possible to start the console kthreads later as a workaround.
But it is clear that console lock serialized console drivers between
each other. It opens a big area of possible problems that were not
considered by people involved in the development and review.

printk() is crucial for debugging kernel issues and console output is
very important part of it. The number of consoles is huge and a proper
review would take some time. As a result it need to be reverted for 5.19.

Link: https://lore.kernel.org/r/YrBdjVwBOVgLfHyb@alley
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220623145157.21938-4-pmladek@suse.com
 2022-06-23 18:41:40 +02:00
Petr Mladek
05c96b3713 Revert "printk: Block console kthreads when direct printing will be required" 
This reverts commit c3230283e2.

The testing of 5.19 release candidates revealed missing synchronization
between early and regular console functionality.

It would be possible to start the console kthreads later as a workaround.
But it is clear that console lock serialized console drivers between
each other. It opens a big area of possible problems that were not
considered by people involved in the development and review.

printk() is crucial for debugging kernel issues and console output is
very important part of it. The number of consoles is huge and a proper
review would take some time. As a result it need to be reverted for 5.19.

Link: https://lore.kernel.org/r/YrBdjVwBOVgLfHyb@alley
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220623145157.21938-3-pmladek@suse.com
 2022-06-23 18:41:40 +02:00
Petr Mladek
20fb0c8272 Revert "printk: Wait for the global console lock when the system is going down" 
This reverts commit b87f02307d.

The testing of 5.19 release candidates revealed missing synchronization
between early and regular console functionality.

It would be possible to start the console kthreads later as a workaround.
But it is clear that console lock serialized console drivers between
each other. It opens a big area of possible problems that were not
considered by people involved in the development and review.

printk() is crucial for debugging kernel issues and console output is
very important part of it. The number of consoles is huge and a proper
review would take some time. As a result it need to be reverted for 5.19.

Link: https://lore.kernel.org/r/YrBdjVwBOVgLfHyb@alley
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220623145157.21938-2-pmladek@suse.com
 2022-06-23 18:41:40 +02:00
Petr Mladek
b87f02307d printk: Wait for the global console lock when the system is going down 
There are reports that the console kthreads block the global console
lock when the system is going down, for example, reboot, panic.

First part of the solution was to block kthreads in these problematic
system states so they stopped handling newly added messages.

Second part of the solution is to wait when for the kthreads when
they are actively printing. It solves the problem when a message
was printed before the system entered the problematic state and
the kthreads managed to step in.

A busy waiting has to be used because panic() can be called in any
context and in an unknown state of the scheduler.

There must be a timeout because the kthread might get stuck or sleeping
and never release the lock. The timeout 10s is an arbitrary value
inspired by the softlockup timeout.

Link: https://lore.kernel.org/r/20220610205038.GA3050413@paulmck-ThinkPad-P17-Gen-1
Link: https://lore.kernel.org/r/CAMdYzYpF4FNTBPZsEFeWRuEwSies36QM_As8osPWZSr2q-viEA@mail.gmail.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Link: https://lore.kernel.org/r/20220615162805.27962-3-pmladek@suse.com
 2022-06-15 22:04:15 +02:00
Petr Mladek
c3230283e2 printk: Block console kthreads when direct printing will be required 
There are known situations when the console kthreads are not
reliable or does not work in principle, for example, early boot,
panic, shutdown.

For these situations there is the direct (legacy) mode when printk() tries
to get console_lock() and flush the messages directly. It works very well
during the early boot when the console kthreads are not available at all.
It gets more complicated in the other situations when console kthreads
might be actively printing and block console_trylock() in printk().

The same problem is in the legacy code as well. Any console_lock()
owner could block console_trylock() in printk(). It is solved by
a trick that the current console_lock() owner is responsible for
printing all pending messages. It is actually the reason why there
is the risk of softlockups and why the console kthreads were
introduced.

The console kthreads use the same approach. They are responsible
for printing the messages by definition. So that they handle
the messages anytime when they are awake and see new ones.
The global console_lock is available when there is nothing
to do.

It should work well when the problematic context is correctly
detected and printk() switches to the direct mode. But it seems
that it is not enough in practice. There are reports that
the messages are not printed during panic() or shutdown()
even though printk() tries to use the direct mode here.

The problem seems to be that console kthreads become active in these
situation as well. They steel the job before other CPUs are stopped.
Then they are stopped in the middle of the job and block the global
console_lock.

First part of the solution is to block console kthreads when
the system is in a problematic state and requires the direct
printk() mode.

Link: https://lore.kernel.org/r/20220610205038.GA3050413@paulmck-ThinkPad-P17-Gen-1
Link: https://lore.kernel.org/r/CAMdYzYpF4FNTBPZsEFeWRuEwSies36QM_As8osPWZSr2q-viEA@mail.gmail.com
Suggested-by: John Ogness <john.ogness@linutronix.de>
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220615162805.27962-2-pmladek@suse.com
 2022-06-15 22:03:38 +02:00
John Ogness
809631e2bf Revert "printk: wake up all waiters" 
This reverts commit 938ba4084a.

The wait queue @log_wait never has exclusive waiters, so there
is no need to use wake_up_interruptible_all(). Using
wake_up_interruptible() was the correct function to wake all
waiters.

Since there are no exclusive waiters, erroneously changing
wake_up_interruptible() to wake_up_interruptible_all() did not
result in any behavior change. However, using
wake_up_interruptible_all() on a wait queue without exclusive
waiters is fundamentally wrong.

Go back to using wake_up_interruptible() to wake all waiters.

Signed-off-by: John Ogness <john.ogness@linutronix.de>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220526203056.81123-1-john.ogness@linutronix.de
 2022-05-27 13:04:46 +02:00
Linus Torvalds
537e62c865 printk changes for 5.19 
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Merge tag 'printk-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Offload writing printk() messages on consoles to per-console
   kthreads.

   It prevents soft-lockups when an extensive amount of messages is
   printed. It was observed, for example, during boot of large systems
   with a lot of peripherals like disks or network interfaces.

   It prevents live-lockups that were observed, for example, when
   messages about allocation failures were reported and a CPU handled
   consoles instead of reclaiming the memory. It was hard to solve even
   with rate limiting because it would need to take into account the
   amount of messages and the speed of all consoles.

   It is a must to have for real time. Otherwise, any printk() might
   break latency guarantees.

   The per-console kthreads allow to handle each console on its own
   speed. Slow consoles do not longer slow down faster ones. And
   printk() does not longer unpredictably slows down various code paths.

   There are situations when the kthreads are either not available or
   not reliable, for example, early boot, suspend, or panic. In these
   situations, printk() uses the legacy mode and tries to handle
   consoles immediately.

 - Add documentation for the printk index.

* tag 'printk-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk, tracing: fix console tracepoint
  printk: remove @console_locked
  printk: extend console_lock for per-console locking
  printk: add kthread console printers
  printk: add functions to prefer direct printing
  printk: add pr_flush()
  printk: move buffer definitions into console_emit_next_record() caller
  printk: refactor and rework printing logic
  printk: add con_printk() macro for console details
  printk: call boot_delay_msec() in printk_delay()
  printk: get caller_id/timestamp after migration disable
  printk: wake waiters for safe and NMI contexts
  printk: wake up all waiters
  printk: add missing memory barrier to wake_up_klogd()
  printk: cpu sync always disable interrupts
  printk: rename cpulock functions
  printk/index: Printk index feature documentation
  MAINTAINERS: Add printk indexing maintainers on mention of printk_index
 2022-05-25 10:32:08 -07:00
Linus Torvalds
2e17ce1106 slab changes for 5.19 
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Merge tag 'slab-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab updates from Vlastimil Babka:

 - Conversion of slub_debug stack traces to stackdepot, allowing more
   useful debugfs-based inspection for e.g. memory leak debugging.
   Allocation and free debugfs info now includes full traces and is
   sorted by the unique trace frequency.

   The stackdepot conversion was already attempted last year but
   reverted by ae14c63a9f. The memory overhead (while not actually
   enabled on boot) has been meanwhile solved by making the large
   stackdepot allocation dynamic. The xfstest issues haven't been
   reproduced on current kernel locally nor in -next, so the slab cache
   layout changes that originally made that bug manifest were probably
   not the root cause.

 - Refactoring of dma-kmalloc caches creation.

 - Trivial cleanups such as removal of unused parameters, fixes and
   clarifications of comments.

 - Hyeonggon Yoo joins as a reviewer.

* tag 'slab-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  MAINTAINERS: add myself as reviewer for slab
  mm/slub: remove unused kmem_cache_order_objects max
  mm: slab: fix comment for __assume_kmalloc_alignment
  mm: slab: fix comment for ARCH_KMALLOC_MINALIGN
  mm/slub: remove unneeded return value of slab_pad_check
  mm/slab_common: move dma-kmalloc caches creation into new_kmalloc_cache()
  mm/slub: remove meaningless node check in ___slab_alloc()
  mm/slub: remove duplicate flag in allocate_slab()
  mm/slub: remove unused parameter in setup_object*()
  mm/slab.c: fix comments
  slab, documentation: add description of debugfs files for SLUB caches
  mm/slub: sort debugfs output by frequency of stack traces
  mm/slub: distinguish and print stack traces in debugfs files
  mm/slub: use stackdepot to save stack trace in objects
  mm/slub: move struct track init out of set_track()
  lib/stackdepot: allow requesting early initialization dynamically
  mm/slub, kunit: Make slub_kunit unaffected by user specified flags
  mm/slab: remove some unused functions
 2022-05-25 10:24:04 -07:00
Linus Torvalds
caa2898416 linux/types.h: reinstate "__bitwise__" macro for user space use 
Commit c724c866bb ("linux/types.h: remove unnecessary __bitwise__")
was right that there are no users of __bitwise__ in the kernel, but it
turns out there are user space users of it that do expect it.

It is, after all, in the uapi directory, so user space usage is to be
expected.

Instead of reverting the commit completely, let's just clarify the
situation so that it doesn't happen again, and have some in-code
explanations for why that "__bitwise__" still exists.

Reported-by: Jiri Slaby <jirislaby@kernel.org>
Cc: Bjorn Helgaas <helgaas@kernel.org>
Link: https://lore.kernel.org/all/b5c0a68d-8387-4909-beea-f70ab9e6e3d5@kernel.org/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2022-05-25 10:08:59 -07:00
Sean Young
e5499dd725 media: lirc: revert removal of unused feature flags 
Commit b2a90f4fcb ("media: lirc: remove unused lirc features") removed
feature flags which were never implemented, but they are still used by
the lirc daemon went built from source.

Reinstate these symbols in order not to break the lirc build.

Fixes: b2a90f4fcb ("media: lirc: remove unused lirc features")
Link: https://lore.kernel.org/all/a0470450-ecfd-2918-e04a-7b57c1fd7694@kernel.org/
Reported-by: Jiri Slaby <jirislaby@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2022-05-25 09:51:36 -07:00
Linus Torvalds
fdaf9a5840 Page cache changes for 5.19 
- Appoint myself page cache maintainer
 
  - Fix how scsicam uses the page cache
 
  - Use the memalloc_nofs_save() API to replace AOP_FLAG_NOFS
 
  - Remove the AOP flags entirely
 
  - Remove pagecache_write_begin() and pagecache_write_end()
 
  - Documentation updates
 
  - Convert several address_space operations to use folios:
    - is_dirty_writeback
    - readpage becomes read_folio
    - releasepage becomes release_folio
    - freepage becomes free_folio
 
  - Change filler_t to require a struct file pointer be the first argument
    like ->read_folio
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Merge tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache

Pull page cache updates from Matthew Wilcox:

 - Appoint myself page cache maintainer

 - Fix how scsicam uses the page cache

 - Use the memalloc_nofs_save() API to replace AOP_FLAG_NOFS

 - Remove the AOP flags entirely

 - Remove pagecache_write_begin() and pagecache_write_end()

 - Documentation updates

 - Convert several address_space operations to use folios:
     - is_dirty_writeback
     - readpage becomes read_folio
     - releasepage becomes release_folio
     - freepage becomes free_folio

 - Change filler_t to require a struct file pointer be the first
   argument like ->read_folio

* tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache: (107 commits)
  nilfs2: Fix some kernel-doc comments
  Appoint myself page cache maintainer
  fs: Remove aops->freepage
  secretmem: Convert to free_folio
  nfs: Convert to free_folio
  orangefs: Convert to free_folio
  fs: Add free_folio address space operation
  fs: Convert drop_buffers() to use a folio
  fs: Change try_to_free_buffers() to take a folio
  jbd2: Convert release_buffer_page() to use a folio
  jbd2: Convert jbd2_journal_try_to_free_buffers to take a folio
  reiserfs: Convert release_buffer_page() to use a folio
  fs: Remove last vestiges of releasepage
  ubifs: Convert to release_folio
  reiserfs: Convert to release_folio
  orangefs: Convert to release_folio
  ocfs2: Convert to release_folio
  nilfs2: Remove comment about releasepage
  nfs: Convert to release_folio
  jfs: Convert to release_folio
  ...
 2022-05-24 19:55:07 -07:00
Linus Torvalds
8642174b52 New code for 5.19: 
- Fix a couple of accounting errors in the buffered io code.
 - Discontinue the practice of marking folios !uptodate and invalidating
   them when writeback fails.  This fixes some UAF bugs when multipage
   folios are enabled, and brings the behavior of XFS/gfs/zonefs into
   alignment with the behavior of all the other Linux filesystems.
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Merge tag 'iomap-5.19-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull iomap updates from Darrick Wong:
 "There's a couple of corrections sent in by Andreas for some accounting
  errors.

  The biggest change this time around is that writeback errors longer
  clear pageuptodate nor does XFS invalidate the page cache anymore.
  This brings XFS (and gfs2/zonefs) behavior in line with every other
  Linux filesystem driver, and fixes some UAF bugs that only cropped up
  after willy turned on multipage folios for XFS in 5.18-rc1.

  Regrettably, it took all the way to the end of the 5.18 cycle to find
  the source of these bugs and reach a consensus that XFS' writeback
  failure behavior from 20 years ago is no longer necessary.

  Summary:

   - Fix a couple of accounting errors in the buffered io code.

   - Discontinue the practice of marking folios !uptodate and
     invalidating them when writeback fails.

     This fixes some UAF bugs when multipage folios are enabled, and
     brings the behavior of XFS/gfs/zonefs into alignment with the
     behavior of all the other Linux filesystems"

* tag 'iomap-5.19-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  iomap: don't invalidate folios after writeback errors
  iomap: iomap_write_end cleanup
  iomap: iomap_write_failed fix
 2022-05-24 19:21:30 -07:00
Linus Torvalds
f289811258 dlm for 5.19 
This set includes several large patches to improve endian handling and
 remove sparse warnings.  The code previously used in/out, in-place
 endianness conversion functions.  Other code cleanup includes the list
 iterator changes.  Finally, a long standing bug was found and fixed,
 caused by missed decrement on an lock struct ref count.
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Merge tag 'dlm-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:
 "This includes several large patches to improve endian handling and
  remove sparse warnings. The code previously used in/out, in-place
  endianness conversion functions.

  Other code cleanup includes the list iterator changes.

  Finally, a long standing bug was found and fixed, caused by missed
  decrement on an lock struct ref count"

* tag 'dlm-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: (28 commits)
  dlm: use kref_put_lock in __put_lkb
  dlm: use kref_put_lock in put_rsb
  dlm: remove unnecessary error assign
  dlm: fix missing lkb refcount handling
  fs: dlm: cast resource pointer to uintptr_t
  dlm: replace usage of found with dedicated list iterator variable
  dlm: remove usage of list iterator for list_add() after the loop body
  dlm: fix pending remove if msg allocation fails
  dlm: fix wake_up() calls for pending remove
  dlm: check required context while close
  dlm: cleanup lock handling in dlm_master_lookup
  dlm: remove found label in dlm_master_lookup
  dlm: remove __user conversion warnings
  dlm: move conversion to compile time
  dlm: use __le types for dlm messages
  dlm: use __le types for rcom messages
  dlm: use __le types for dlm header
  dlm: use __le types for options header
  dlm: add __CHECKER__ for false positives
  dlm: move global to static inits
  ...
 2022-05-24 19:09:16 -07:00
Linus Torvalds
fea3043314 Various bug fixes and cleanups for ext4. In particular, move the 
crypto related fucntions from fs/ext4/super.c into a new
 fs/ext4/crypto.c, and fix a number of bugs found by fuzzers and error
 injection tools.
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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:
 "Various bug fixes and cleanups for ext4.

  In particular, move the crypto related fucntions from fs/ext4/super.c
  into a new fs/ext4/crypto.c, and fix a number of bugs found by fuzzers
  and error injection tools"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (25 commits)
  ext4: only allow test_dummy_encryption when supported
  ext4: fix bug_on in __es_tree_search
  ext4: avoid cycles in directory h-tree
  ext4: verify dir block before splitting it
  ext4: filter out EXT4_FC_REPLAY from on-disk superblock field s_state
  ext4: fix bug_on in ext4_writepages
  ext4: refactor and move ext4_ioctl_get_encryption_pwsalt()
  ext4: cleanup function defs from ext4.h into crypto.c
  ext4: move ext4 crypto code to its own file crypto.c
  ext4: fix memory leak in parse_apply_sb_mount_options()
  ext4: reject the 'commit' option on ext2 filesystems
  ext4: remove duplicated #include of dax.h in inode.c
  ext4: fix race condition between ext4_write and ext4_convert_inline_data
  ext4: convert symlink external data block mapping to bdev
  ext4: add nowait mode for ext4_getblk()
  ext4: fix journal_ioprio mount option handling
  ext4: mark group as trimmed only if it was fully scanned
  ext4: fix use-after-free in ext4_rename_dir_prepare
  ext4: add unmount filesystem message
  ext4: remove unnecessary conditionals
  ...
 2022-05-24 19:04:46 -07:00
Linus Torvalds
7208c9842c gfs2 fixes 
- Clean up the allocation of glocks that have an address space attached.
 - Quota locking fix and quota iomap conversion.
 - Fix the FITRIM error reporting.
 - Some list iterator cleanups.
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Merge tag 'gfs2-v5.18-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - Clean up the allocation of glocks that have an address space attached

 - Quota locking fix and quota iomap conversion

 - Fix the FITRIM error reporting

 - Some list iterator cleanups

* tag 'gfs2-v5.18-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Convert function bh_get to use iomap
  gfs2: use i_lock spin_lock for inode qadata
  gfs2: Return more useful errors from gfs2_rgrp_send_discards()
  gfs2: Use container_of() for gfs2_glock(aspace)
  gfs2: Explain some direct I/O oddities
  gfs2: replace 'found' with dedicated list iterator variable
 2022-05-24 19:00:41 -07:00
Linus Torvalds
bd1b7c1384 for-5.19-tag 
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Merge tag 'for-5.19-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "Features:

   - subpage:
      - support for PAGE_SIZE > 4K (previously only 64K)
      - make it work with raid56

   - repair super block num_devices automatically if it does not match
     the number of device items

   - defrag can convert inline extents to regular extents, up to now
     inline files were skipped but the setting of mount option
     max_inline could affect the decision logic

   - zoned:
      - minimal accepted zone size is explicitly set to 4MiB
      - make zone reclaim less aggressive and don't reclaim if there are
        enough free zones
      - add per-profile sysfs tunable of the reclaim threshold

   - allow automatic block group reclaim for non-zoned filesystems, with
     sysfs tunables

   - tree-checker: new check, compare extent buffer owner against owner
     rootid

  Performance:

   - avoid blocking on space reservation when doing nowait direct io
     writes (+7% throughput for reads and writes)

   - NOCOW write throughput improvement due to refined locking (+3%)

   - send: reduce pressure to page cache by dropping extent pages right
     after they're processed

  Core:

   - convert all radix trees to xarray

   - add iterators for b-tree node items

   - support printk message index

   - user bulk page allocation for extent buffers

   - switch to bio_alloc API, use on-stack bios where convenient, other
     bio cleanups

   - use rw lock for block groups to favor concurrent reads

   - simplify workques, don't allocate high priority threads for all
     normal queues as we need only one

   - refactor scrub, process chunks based on their constraints and
     similarity

   - allocate direct io structures on stack and pass around only
     pointers, avoids allocation and reduces potential error handling

  Fixes:

   - fix count of reserved transaction items for various inode
     operations

   - fix deadlock between concurrent dio writes when low on free data
     space

   - fix a few cases when zones need to be finished

  VFS, iomap:

   - add helper to check if sb write has started (usable for assertions)

   - new helper iomap_dio_alloc_bio, export iomap_dio_bio_end_io"

* tag 'for-5.19-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (173 commits)
  btrfs: zoned: introduce a minimal zone size 4M and reject mount
  btrfs: allow defrag to convert inline extents to regular extents
  btrfs: add "0x" prefix for unsupported optional features
  btrfs: do not account twice for inode ref when reserving metadata units
  btrfs: zoned: fix comparison of alloc_offset vs meta_write_pointer
  btrfs: send: avoid trashing the page cache
  btrfs: send: keep the current inode open while processing it
  btrfs: allocate the btrfs_dio_private as part of the iomap dio bio
  btrfs: move struct btrfs_dio_private to inode.c
  btrfs: remove the disk_bytenr in struct btrfs_dio_private
  btrfs: allocate dio_data on stack
  iomap: add per-iomap_iter private data
  iomap: allow the file system to provide a bio_set for direct I/O
  btrfs: add a btrfs_dio_rw wrapper
  btrfs: zoned: zone finish unused block group
  btrfs: zoned: properly finish block group on metadata write
  btrfs: zoned: finish block group when there are no more allocatable bytes left
  btrfs: zoned: consolidate zone finish functions
  btrfs: zoned: introduce btrfs_zoned_bg_is_full
  btrfs: improve error reporting in lookup_inline_extent_backref
  ...
 2022-05-24 18:52:35 -07:00
Linus Torvalds
3842007b1a zonefs fix for 5.19-rc1 
A single patch to fix zonefs_init_file_inode() return value.
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Merge tag 'zonefs-5.19-rc1-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs

Pull zonefs fix from Damien Le Moal:
 "A single patch to fix zonefs_init_file_inode() return value"

* tag 'zonefs-5.19-rc1-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
  zonefs: Fix zonefs_init_file_inode() return value
 2022-05-24 18:48:36 -07:00
Linus Torvalds
65965d9530 Changes since last update: 
- Add erofs on-demand load support over fscache;
 
  - Support NFS export for erofs;
 
  - Support idmapped mounts for erofs;
 
  - Don't prompt for risk any more when using big pcluster;
 
  - Fix buffer copy overflow of ztailpacking feature;
 
  - Several minor cleanups.
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Merge tag 'erofs-for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs (and fscache) updates from Gao Xiang:
 "After working on it on the mailing list for more than half a year, we
  finally form 'erofs over fscache' feature into shape. Hopefully it
  could bring more possibility to the communities.

  The story mainly started from a new project what we called "RAFS v6" [1]
  for Nydus image service almost a year ago, which enhances EROFS to be
  a new form of one bootstrap (which includes metadata representing the
  whole fs tree) + several data-deduplicated content addressable blobs
  (actually treated as multiple devices). Each blob can represent one
  container image layer but not quite exactly since all new data can be
  fully existed in the previous blobs so no need to introduce another
  new blob.

  It is actually not a new idea (at least on my side it's much like a
  simpilied casync [2] for now) and has many benefits over per-file
  blobs or some other exist ways since typically each RAFS v6 image only
  has dozens of device blobs instead of thousands of per-file blobs.
  It's easy to be signed with user keys as a golden image, transfered
  untouchedly with minimal overhead over the network, kept in some type
  of storage conveniently, and run with (optional) runtime verification
  but without involving too many irrelevant features crossing the system
  beyond EROFS itself. At least it's our final goal and we're keeping
  working on it. There was also a good summary of this approach from the
  casync author [3].

  Regardless further optimizations, this work is almost done in the
  previous Linux release cycles. In this round, we'd like to introduce
  on-demand load for EROFS with the fscache/cachefiles infrastructure,
  considering the following advantages:

   - Introduce new file-based backend to EROFS. Although each image only
     contains dozens of blobs but in densely-deployed runC host for
     example, there could still be massive blobs on a machine, which is
     messy if each blob is treated as a device. In contrast, fscache and
     cachefiles are really great interfaces for us to make them work.

   - Introduce on-demand load to fscache and EROFS. Previously, fscache
     is mainly used to caching network-likewise filesystems, now it can
     support on-demand downloading for local fses too with the exact
     localfs on-disk format. It has many advantages which we're been
     described in the latest patchset cover letter [4]. In addition to
     that, most importantly, the cached data is still stored in the
     original local fs on-disk format so that it's still the one signed
     with private keys but only could be partially available. Users can
     fully trust it during running. Later, users can also back up
     cachefiles easily to another machine.

   - More reliable on-demand approach in principle. After data is all
     available locally, user daemon can be no longer online in some use
     cases, which helps daemon crash recovery (filesystems can still in
     service) and hot-upgrade (user daemon can be upgraded more
     frequently due to new features or protocols introduced.)

   - Other format can also be converted to EROFS filesystem format over
     the internet on the fly with the new on-demand load feature and
     mounted. That is entirely possible with on-demand load feature as
     long as such archive format metadata can be fetched in advance like
     stargz.

  In addition, although currently our target user is Nydus image service [5],
  but laterly, it can be used for other use cases like on-demand system
  booting, etc. As for the fscache on-demand load feature itself,
  strictly it can be used for other local fses too. Laterly we could
  promote most code to the iomap infrastructure and also enhance it in
  the read-write way if other local fses are interested.

  Thanks David Howells for taking so much time and patience on this
  these months, many thanks with great respect here again! Thanks Jeffle
  for working on this feature and Xin Yin from Bytedance for
  asynchronous I/O implementation as well as Zichen Tian, Jia Zhu, and
  Yan Song for testing, much appeciated. We're also exploring more
  possibly over fscache cache management over FSDAX for secure
  containers and working on more improvements and useful features for
  fscache, cachefiles, and on-demand load.

  In addition to "erofs over fscache", NFS export and idmapped mount are
  also completed in this cycle for container use cases as well.

  Summary:

   - Add erofs on-demand load support over fscache

   - Support NFS export for erofs

   - Support idmapped mounts for erofs

   - Don't prompt for risk any more when using big pcluster

   - Fix buffer copy overflow of ztailpacking feature

   - Several minor cleanups"

[1] https://lore.kernel.org/r/20210730194625.93856-1-hsiangkao@linux.alibaba.com
[2] https://github.com/systemd/casync
[3] http://0pointer.net/blog/casync-a-tool-for-distributing-file-system-images.html
[4] https://lore.kernel.org/r/20220509074028.74954-1-jefflexu@linux.alibaba.com
[5] https://github.com/dragonflyoss/image-service

* tag 'erofs-for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: (29 commits)
  erofs: scan devices from device table
  erofs: change to use asynchronous io for fscache readpage/readahead
  erofs: add 'fsid' mount option
  erofs: implement fscache-based data readahead
  erofs: implement fscache-based data read for inline layout
  erofs: implement fscache-based data read for non-inline layout
  erofs: implement fscache-based metadata read
  erofs: register fscache context for extra data blobs
  erofs: register fscache context for primary data blob
  erofs: add erofs_fscache_read_folios() helper
  erofs: add anonymous inode caching metadata for data blobs
  erofs: add fscache context helper functions
  erofs: register fscache volume
  erofs: add fscache mode check helper
  erofs: make erofs_map_blocks() generally available
  cachefiles: document on-demand read mode
  cachefiles: add tracepoints for on-demand read mode
  cachefiles: enable on-demand read mode
  cachefiles: implement on-demand read
  cachefiles: notify the user daemon when withdrawing cookie
  ...
 2022-05-24 18:42:04 -07:00
Linus Torvalds
850f6033cd Description for this pull request: 
- fix referencing wrong parent directory information during rename.
  - introduce a sys_tz mount option to use system timezone.
  - improve performance while zeroing a cluster with dirsync mount option.
  - fix slab-out-bounds in exat_clear_bitmap() reported from syzbot.
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Merge tag 'exfat-for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat

Pull exfat updates from Namjae Jeon:

 - fix referencing wrong parent directory information during rename

 - introduce a sys_tz mount option to use system timezone

 - improve performance while zeroing a cluster with dirsync mount option

 - fix slab-out-bounds in exat_clear_bitmap() reported from syzbot

* tag 'exfat-for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: check if cluster num is valid
  exfat: reduce block requests when zeroing a cluster
  block: add sync_blockdev_range()
  exfat: introduce mount option 'sys_tz'
  exfat: fix referencing wrong parent directory information after renaming
 2022-05-24 18:30:27 -07:00
Linus Torvalds
f30fabe78a fs.idmapped.v5.19 
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Merge tag 'fs.idmapped.v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux

Pull fs idmapping updates from Christian Brauner:
 "This contains two minor updates:

   - An update to the idmapping documentation by Rodrigo making it
     easier to understand that we first introduce several use-cases that
     fail without idmapped mounts simply to explain how they can be
     handled with idmapped mounts.

   - When changing a mount's idmapping we now hold writers to make it
     more robust.

     This is similar to turning a mount ro with the difference that in
     contrast to turning a mount ro changing the idmapping can only ever
     be done once while a mount can transition between ro and rw as much
     as it wants.

     The vfs layer itself takes care to retrieve the idmapping of a
     mount once ensuring that the idmapping used for vfs permission
     checking is identical to the idmapping passed down to the
     filesystem. All filesystems with FS_ALLOW_IDMAP raised take the
     same precautions as the vfs in code-paths that are outside of
     direct control of the vfs such as ioctl()s.

     However, holding writers makes this more robust and predictable for
     both the kernel and userspace.

     This is a minor user-visible change. But it is extremely unlikely
     to matter. The caller must've created a detached mount via
     OPEN_TREE_CLONE and then handed that O_PATH fd to another process
     or thread which then must've gotten a writable fd for that mount
     and started creating files in there while the caller is still
     changing mount properties. While not impossible it will be an
     extremely rare corner-case and should in general be considered a
     bug in the application. Consider making a mount MOUNT_ATTR_NOEXEC
     or MOUNT_ATTR_NODEV while allowing someone else to perform lookups
     or exec'ing in parallel by handing them a copy of the
     OPEN_TREE_CLONE fd or another fd beneath that mount.

     I've pinged all major users of idmapped mounts pointing out this
     change and none of them have active writers on a mount while still
     changing mount properties. It would've been strange if they did.

  The rest and majority of the work will be coming through the overlayfs
  tree this cycle. In addition to overlayfs this cycle should also see
  support for idmapped mounts on erofs as I've acked a patch to this
  effect a little while ago"

* tag 'fs.idmapped.v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
  fs: hold writers when changing mount's idmapping
  docs: Add small intro to idmap examples
 2022-05-24 18:19:06 -07:00
Linus Torvalds
827060261c media updates for v5.19-rc1 
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Merge tag 'media/v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - dvb-usb drivers entries got reworked to avoid usage of magic numbers
   to refer to data position inside tables

 - vcodec driver has gained support for MT8186 and for vp8 and vp9
   stateless codecs

 - hantro has gained support for Hantro G1 on RK366x

 - Added more h264 levels on coda960

 - ccs gained support for MIPI CSI-2 28 bits per pixel raw data type

 - venus driver gained support for Qualcomm custom compressed pixel
   formats

 - lots of driver fixes and updates

* tag 'media/v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
  media: hantro: Enable HOLD_CAPTURE_BUF for H.264
  media: hantro: Add H.264 field decoding support
  media: hantro: h264: Make dpb entry management more robust
  media: hantro: Stop using H.264 parameter pic_num
  media: rkvdec: Enable capture buffer holding for H264
  media: rkvdec-h264: Add field decoding support
  media: rkvdec: Ensure decoded resolution fit coded resolution
  media: rkvdec: h264: Fix reference frame_num wrap for second field
  media: rkvdec: h264: Validate and use pic width and height in mbs
  media: rkvdec: Move H264 SPS validation in rkvdec-h264
  media: rkvdec: h264: Fix bit depth wrap in pps packet
  media: rkvdec: h264: Fix dpb_valid implementation
  media: rkvdec: Stop overclocking the decoder
  media: v4l2: Reorder field reflist
  media: h264: Sort p/b reflist using frame_num
  media: v4l2: Trace calculated p/b0/b1 initial reflist
  media: h264: Store all fields into the unordered list
  media: h264: Store current picture fields
  media: h264: Increase reference lists size to 32
  media: h264: Use v4l2_h264_reference for reflist
  ...
 2022-05-24 18:09:16 -07:00
Linus Torvalds
268db333b5 Device properties framework updates for 5.19-rc1 
- Allow error pointer to be passed to fwnode APIs (Andy Shevchenko).
 
  - Introduce fwnode_for_each_parent_node() (Andy Shevchenko, Douglas
    Anderson).
 
  - Advertise fwnode and device property count API calls (Andy
    Shevchenko).
 
  - Clean up fwnode_is_ancestor_of() (Andy Shevchenko).
 
  - Convert device_{dma_supported,get_dma_attr} to fwnode (Sakari Ailus).
 
  - Release subnode properties with data nodes (Sakari Ailus).
 
  - Add ->iomap() and ->irq_get() to fwnode operations (Sakari Ailus).
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Merge tag 'devprop-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull device properties framework updates from Rafael Wysocki:
 "These mostly extend the device property API and make it easier to use
  in some cases.

  Specifics:

   - Allow error pointer to be passed to fwnode APIs (Andy Shevchenko).

   - Introduce fwnode_for_each_parent_node() (Andy Shevchenko, Douglas
     Anderson).

   - Advertise fwnode and device property count API calls (Andy
     Shevchenko).

   - Clean up fwnode_is_ancestor_of() (Andy Shevchenko).

   - Convert device_{dma_supported,get_dma_attr} to fwnode (Sakari
     Ailus).

   - Release subnode properties with data nodes (Sakari Ailus).

   - Add ->iomap() and ->irq_get() to fwnode operations (Sakari Ailus)"

* tag 'devprop-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  device property: Advertise fwnode and device property count API calls
  device property: Fix recent breakage of fwnode_get_next_parent_dev()
  device property: Drop 'test' prefix in parameters of fwnode_is_ancestor_of()
  device property: Introduce fwnode_for_each_parent_node()
  device property: Allow error pointer to be passed to fwnode APIs
  ACPI: property: Release subnode properties with data nodes
  device property: Add irq_get to fwnode operation
  device property: Add iomap to fwnode operations
  ACPI: property: Move acpi_fwnode_device_get_match_data() up
  device property: Convert device_{dma_supported,get_dma_attr} to fwnode
 2022-05-24 16:34:14 -07:00
Linus Torvalds
f4fb859665 Thermal control updates for 5.19-rc1 
- Add thermal library and thermal tools to encapsulate the netlink
    into event based callbacks (Daniel Lezcano, Jiapeng Chong).
 
  - Improve overheat condition handling during suspend-to-idle in the
    Intel PCH thermal driver (Zhang Rui).
 
  - Use local ops instead of global ops in devfreq_cooling (Kant Fan).
 
  - Clean up _OSC handling in int340x (Davidlohr Bueso).
 
  - Switch hisi_termal from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
    (Hesham Almatary).
 
  - Add new k3 j72xx bangdap driver and the corresponding bindings
    (Keerthy).
 
  - Fix missing of_node_put() in the SC iMX driver at probe time
    (Miaoqian Lin).
 
  - Fix memory leak in __thermal_cooling_device_register() when
    device_register() fails by calling thermal_cooling_device_destroy_sysfs()
    (Yang Yingliang).
 
  - Add sc8180x and sc8280xp compatible string in the DT bindings and
    lMH support for QCom tsens driver (Bjorn Andersson).
 
  - Fix OTP Calibration Register values conforming to the documentation
    on RZ/G2L and bindings documentation for RZ/G2UL (Biju Das).
 
  - Fix type in kerneldoc description for __thermal_bind_params (Corentin
    Labbe).
 
  - Fix potential NULL dereference in sr_thermal_probe() on Broadcom
    platform (Zheng Yongjun).
 
  - Add change mode ops to the thermal-of sensor (Manaf Meethalavalappu
    Pallikunhi).
 
  - Fix non-negative value support by preventing the value to be clamp
    to zero (Stefan Wahren).
 
  - Add compatible string and DT bindings for MSM8960 tsens driver
    (Dmitry Baryshkov).
 
  - Add hwmon support for K3 driver (Massimiliano Minella).
 
  - Refactor and add multiple generations support for QCom ADC driver
    (Jishnu Prakash).
 
  - Use platform_get_irq_optional() to get the interrupt on RCar driver and
    document Document RZ/V2L bindings (Lad Prabhakar).
 
  - Remove NULL check after container_of() call from the Intel HFI
    thermal driver (Haowen Bai).
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Merge tag 'thermal-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "These add a thermal library and thermal tools to wrap the netlink
  interface into event-based callbacks, improve overheat condition
  handling during suspend-to-idle on Intel SoCs, add some new hardware
  support, fix bugs and clean up code.

  Specifics:

   - Add thermal library and thermal tools to encapsulate the netlink
     into event based callbacks (Daniel Lezcano, Jiapeng Chong).

   - Improve overheat condition handling during suspend-to-idle in the
     Intel PCH thermal driver (Zhang Rui).

   - Use local ops instead of global ops in devfreq_cooling (Kant Fan).

   - Clean up _OSC handling in int340x (Davidlohr Bueso).

   - Switch hisi_termal from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
     (Hesham Almatary).

   - Add new k3 j72xx bangdap driver and the corresponding bindings
     (Keerthy).

   - Fix missing of_node_put() in the SC iMX driver at probe time
     (Miaoqian Lin).

   - Fix memory leak in __thermal_cooling_device_register()
     when device_register() fails by calling
     thermal_cooling_device_destroy_sysfs() (Yang Yingliang).

   - Add sc8180x and sc8280xp compatible string in the DT bindings and
     lMH support for QCom tsens driver (Bjorn Andersson).

   - Fix OTP Calibration Register values conforming to the documentation
     on RZ/G2L and bindings documentation for RZ/G2UL (Biju Das).

   - Fix type in kerneldoc description for __thermal_bind_params
     (Corentin Labbe).

   - Fix potential NULL dereference in sr_thermal_probe() on Broadcom
     platform (Zheng Yongjun).

   - Add change mode ops to the thermal-of sensor (Manaf Meethalavalappu
     Pallikunhi).

   - Fix non-negative value support by preventing the value to be clamp
     to zero (Stefan Wahren).

   - Add compatible string and DT bindings for MSM8960 tsens driver
     (Dmitry Baryshkov).

   - Add hwmon support for K3 driver (Massimiliano Minella).

   - Refactor and add multiple generations support for QCom ADC driver
     (Jishnu Prakash).

   - Use platform_get_irq_optional() to get the interrupt on RCar driver
     and document Document RZ/V2L bindings (Lad Prabhakar).

   - Remove NULL check after container_of() call from the Intel HFI
     thermal driver (Haowen Bai)"

* tag 'thermal-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (38 commits)
  thermal: intel: pch: improve the cooling delay log
  thermal: intel: pch: enhance overheat handling
  thermal: intel: pch: move cooling delay to suspend_noirq phase
  PM: wakeup: expose pm_wakeup_pending to modules
  thermal: k3_j72xx_bandgap: Add the bandgap driver support
  dt-bindings: thermal: k3-j72xx: Add VTM bindings documentation
  thermal/drivers/imx_sc_thermal: Fix refcount leak in imx_sc_thermal_probe
  thermal/core: Fix memory leak in __thermal_cooling_device_register()
  dt-bindings: thermal: tsens: Add sc8280xp compatible
  dt-bindings: thermal: lmh: Add Qualcomm sc8180x compatible
  thermal/drivers/qcom/lmh: Add sc8180x compatible
  thermal/drivers/rz2gl: Fix OTP Calibration Register values
  dt-bindings: thermal: rzg2l-thermal: Document RZ/G2UL bindings
  thermal: thermal_of: fix typo on __thermal_bind_params
  tools/thermal: remove unneeded semicolon
  tools/lib/thermal: remove unneeded semicolon
  thermal/drivers/broadcom: Fix potential NULL dereference in sr_thermal_probe
  tools/thermal: Add thermal daemon skeleton
  tools/thermal: Add a temperature capture tool
  tools/thermal: Add util library
  ...
 2022-05-24 16:19:30 -07:00
Linus Torvalds
09583dfed2 Power management updates for 5.19-rc1 
- Update the Energy Model support code to allow the Energy Model to be
    artificial, which means that the power values may not be on a uniform
    scale with other devices providing power information, and update the
    cpufreq_cooling and devfreq_cooling thermal drivers to support
    artificial Energy Models (Lukasz Luba).
 
  - Make DTPM check the Energy Model type (Lukasz Luba).
 
  - Fix policy counter decrementation in cpufreq if Energy Model is in
    use (Pierre Gondois).
 
  - Add CPU-based scaling support to passive devfreq governor (Saravana
    Kannan, Chanwoo Choi).
 
  - Update the rk3399_dmc devfreq driver (Brian Norris).
 
  - Export dev_pm_ops instead of suspend() and resume() in the IIO
    chemical scd30 driver (Jonathan Cameron).
 
  - Add namespace variants of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and
    PM-runtime counterparts (Jonathan Cameron).
 
  - Move symbol exports in the IIO chemical scd30 driver into the
    IIO_SCD30 namespace (Jonathan Cameron).
 
  - Avoid device PM-runtime usage count underflows (Rafael Wysocki).
 
  - Allow dynamic debug to control printing of PM messages  (David
    Cohen).
 
  - Fix some kernel-doc comments in hibernation code (Yang Li, Haowen
    Bai).
 
  - Preserve ACPI-table override during hibernation (Amadeusz Sławiński).
 
  - Improve support for suspend-to-RAM for PSCI OSI mode (Ulf Hansson).
 
  - Make Intel RAPL power capping driver support the RaptorLake and
    AlderLake N processors (Zhang Rui, Sumeet Pawnikar).
 
  - Remove redundant store to value after multiply in the RAPL power
    capping driver (Colin Ian King).
 
  - Add AlderLake processor support to the intel_idle driver (Zhang Rui).
 
  - Fix regression leading to no genpd governor in the PSCI cpuidle
    driver and fix the riscv-sbi cpuidle driver to allow a genpd
    governor to be used (Ulf Hansson).
 
  - Fix cpufreq governor clean up code to avoid using kfree() directly
    to free kobject-based items (Kevin Hao).
 
  - Prepare cpufreq for powerpc's asm/prom.h cleanup (Christophe Leroy).
 
  - Make intel_pstate notify frequency invariance code when no_turbo is
    turned on and off (Chen Yu).
 
  - Add Sapphire Rapids OOB mode support to intel_pstate (Srinivas
    Pandruvada).
 
  - Make cpufreq avoid unnecessary frequency updates due to mismatch
    between hardware and the frequency table (Viresh Kumar).
 
  - Make remove_cpu_dev_symlink() clear the real_cpus mask to simplify
    code (Viresh Kumar).
 
  - Rearrange cpufreq_offline() and cpufreq_remove_dev() to make the
    calling convention for some driver callbacks consistent (Rafael
    Wysocki).
 
  - Avoid accessing half-initialized cpufreq policies from the show()
    and store() sysfs functions (Schspa Shi).
 
  - Rearrange cpufreq_offline() to make the calling convention for some
    driver callbacks consistent (Schspa Shi).
 
  - Update CPPC handling in cpufreq (Pierre Gondois).
 
  - Extend dev_pm_domain_detach() doc (Krzysztof Kozlowski).
 
  - Move genpd's time-accounting to ktime_get_mono_fast_ns() (Ulf
    Hansson).
 
  - Improve the way genpd deals with its governors (Ulf Hansson).
 
  - Update the turbostat utility to version 2022.04.16 (Len Brown,
    Dan Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen
    Yu).
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Merge tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add support for 'artificial' Energy Models in which power
  numbers for different entities may be in different scales, add support
  for some new hardware, fix bugs and clean up code in multiple places.

  Specifics:

   - Update the Energy Model support code to allow the Energy Model to
     be artificial, which means that the power values may not be on a
     uniform scale with other devices providing power information, and
     update the cpufreq_cooling and devfreq_cooling thermal drivers to
     support artificial Energy Models (Lukasz Luba).

   - Make DTPM check the Energy Model type (Lukasz Luba).

   - Fix policy counter decrementation in cpufreq if Energy Model is in
     use (Pierre Gondois).

   - Add CPU-based scaling support to passive devfreq governor (Saravana
     Kannan, Chanwoo Choi).

   - Update the rk3399_dmc devfreq driver (Brian Norris).

   - Export dev_pm_ops instead of suspend() and resume() in the IIO
     chemical scd30 driver (Jonathan Cameron).

   - Add namespace variants of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and
     PM-runtime counterparts (Jonathan Cameron).

   - Move symbol exports in the IIO chemical scd30 driver into the
     IIO_SCD30 namespace (Jonathan Cameron).

   - Avoid device PM-runtime usage count underflows (Rafael Wysocki).

   - Allow dynamic debug to control printing of PM messages (David
     Cohen).

   - Fix some kernel-doc comments in hibernation code (Yang Li, Haowen
     Bai).

   - Preserve ACPI-table override during hibernation (Amadeusz
     Sławiński).

   - Improve support for suspend-to-RAM for PSCI OSI mode (Ulf Hansson).

   - Make Intel RAPL power capping driver support the RaptorLake and
     AlderLake N processors (Zhang Rui, Sumeet Pawnikar).

   - Remove redundant store to value after multiply in the RAPL power
     capping driver (Colin Ian King).

   - Add AlderLake processor support to the intel_idle driver (Zhang
     Rui).

   - Fix regression leading to no genpd governor in the PSCI cpuidle
     driver and fix the riscv-sbi cpuidle driver to allow a genpd
     governor to be used (Ulf Hansson).

   - Fix cpufreq governor clean up code to avoid using kfree() directly
     to free kobject-based items (Kevin Hao).

   - Prepare cpufreq for powerpc's asm/prom.h cleanup (Christophe
     Leroy).

   - Make intel_pstate notify frequency invariance code when no_turbo is
     turned on and off (Chen Yu).

   - Add Sapphire Rapids OOB mode support to intel_pstate (Srinivas
     Pandruvada).

   - Make cpufreq avoid unnecessary frequency updates due to mismatch
     between hardware and the frequency table (Viresh Kumar).

   - Make remove_cpu_dev_symlink() clear the real_cpus mask to simplify
     code (Viresh Kumar).

   - Rearrange cpufreq_offline() and cpufreq_remove_dev() to make the
     calling convention for some driver callbacks consistent (Rafael
     Wysocki).

   - Avoid accessing half-initialized cpufreq policies from the show()
     and store() sysfs functions (Schspa Shi).

   - Rearrange cpufreq_offline() to make the calling convention for some
     driver callbacks consistent (Schspa Shi).

   - Update CPPC handling in cpufreq (Pierre Gondois).

   - Extend dev_pm_domain_detach() doc (Krzysztof Kozlowski).

   - Move genpd's time-accounting to ktime_get_mono_fast_ns() (Ulf
     Hansson).

   - Improve the way genpd deals with its governors (Ulf Hansson).

   - Update the turbostat utility to version 2022.04.16 (Len Brown, Dan
     Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen Yu)"

* tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (94 commits)
  PM: domains: Trust domain-idle-states from DT to be correct by genpd
  PM: domains: Measure power-on/off latencies in genpd based on a governor
  PM: domains: Allocate governor data dynamically based on a genpd governor
  PM: domains: Clean up some code in pm_genpd_init() and genpd_remove()
  PM: domains: Fix initialization of genpd's next_wakeup
  PM: domains: Fixup QoS latency measurements for IRQ safe devices in genpd
  PM: domains: Measure suspend/resume latencies in genpd based on governor
  PM: domains: Move the next_wakeup variable into the struct gpd_timing_data
  PM: domains: Allocate gpd_timing_data dynamically based on governor
  PM: domains: Skip another warning in irq_safe_dev_in_sleep_domain()
  PM: domains: Rename irq_safe_dev_in_no_sleep_domain() in genpd
  PM: domains: Don't check PM_QOS_FLAG_NO_POWER_OFF in genpd
  PM: domains: Drop redundant code for genpd always-on governor
  PM: domains: Add GENPD_FLAG_RPM_ALWAYS_ON for the always-on governor
  powercap: intel_rapl: remove redundant store to value after multiply
  cpufreq: CPPC: Enable dvfs_possible_from_any_cpu
  cpufreq: CPPC: Enable fast_switch
  ACPI: CPPC: Assume no transition latency if no PCCT
  ACPI: bus: Set CPPC _OSC bits for all and when CPPC_LIB is supported
  ACPI: CPPC: Check _OSC for flexible address space
  ...
 2022-05-24 16:04:25 -07:00
Linus Torvalds
1961b06c91 ACPI updates for 5.19-rc1 
- Update ACPICA code in the kernel to upstream revision 20220331
    including the following changes:
 
    * Add support for the Windows 11 _OSI string (Mario Limonciello)
    * Add the CFMWS subtable to the CEDT table (Lawrence Hileman).
    * iASL: NHLT: Treat Terminator as specific_config (Piotr Maziarz).
    * iASL: NHLT: Fix parsing undocumented bytes at the end of Endpoint
      Descriptor (Piotr Maziarz).
    * iASL: NHLT: Rename linux specific strucures to device_info (Piotr
      Maziarz).
    * Add new ACPI 6.4 semantics to Load() and LoadTable() (Bob Moore).
    * Clean up double word in comment (Tom Rix).
    * Update copyright notices to the year 2022 (Bob Moore).
    * Remove some tabs and // comments - automated cleanup (Bob Moore).
    * Replace zero-length array with flexible-array member (Gustavo A. R.
      Silva).
    * Interpreter: Add units to time variable names (Paul Menzel).
    * Add support for ARM Performance Monitoring Unit Table (Besar
      Wicaksono).
    * Inform users about ACPI spec violation related to sleep length (Paul
      Menzel).
    * iASL/MADT: Add OEM-defined subtable (Bob Moore).
    * Interpreter: Fix some typo mistakes (Selvarasu Ganesan).
    * Updates for revision E.d of IORT (Shameer Kolothum).
    * Use ACPI_FORMAT_UINT64 for 64-bit output (Bob Moore).
 
  - Improve debug messages in the ACPI device PM code (Rafael Wysocki).
 
  - Block ASUS B1400CEAE from suspend to idle by default (Mario
    Limonciello).
 
  - Improve handling of PCI devices that are in D3cold during system
    initialization (Rafael Wysocki).
 
  - Fix BERT error region memory mapping (Lorenzo Pieralisi).
 
  - Add support for NVIDIA 16550-compatible port subtype to the SPCR
    parsing code (Jeff Brasen).
 
  - Use static for BGRT_SHOW kobj_attribute defines (Tom Rix).
 
  - Fix missing prototype warning for acpi_agdi_init() (Ilkka Koskinen).
 
  - Fix missing ERST record ID in the APEI code (Liu Xinpeng).
 
  - Make APEI error injection to refuse to inject into the zero
    page (Tony Luck).
 
  - Correct description of INT3407 / INT3532 DPTF attributes in sysfs
    (Sumeet Pawnikar).
 
  - Add support for high frequency impedance notification to the DPTF
    driver (Sumeet Pawnikar).
 
  - Make mp_config_acpi_gsi() a void function (Li kunyu).
 
  - Unify Package () representation for properties in the ACPI device
    properties documentation (Andy Shevchenko).
 
  - Include UUID in _DSM evaluation warning (Michael Niewöhner).
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Merge tag 'acpi-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA kernel code to upstream revision 20220331,
  improve handling of PCI devices that are in D3cold during system
  initialization, add support for a few features, fix bugs and clean up
  code.

  Specifics:

   - Update ACPICA code in the kernel to upstream revision 20220331
     including the following changes:
       - Add support for the Windows 11 _OSI string (Mario Limonciello)
       - Add the CFMWS subtable to the CEDT table (Lawrence Hileman).
       - iASL: NHLT: Treat Terminator as specific_config (Piotr
         Maziarz).
       - iASL: NHLT: Fix parsing undocumented bytes at the end of
         Endpoint Descriptor (Piotr Maziarz).
       - iASL: NHLT: Rename linux specific strucures to device_info
         (Piotr Maziarz).
       - Add new ACPI 6.4 semantics to Load() and LoadTable() (Bob
         Moore).
       - Clean up double word in comment (Tom Rix).
       - Update copyright notices to the year 2022 (Bob Moore).
       - Remove some tabs and // comments - automated cleanup (Bob
         Moore).
       - Replace zero-length array with flexible-array member (Gustavo
         A. R. Silva).
       - Interpreter: Add units to time variable names (Paul Menzel).
       - Add support for ARM Performance Monitoring Unit Table (Besar
         Wicaksono).
       - Inform users about ACPI spec violation related to sleep length
         (Paul Menzel).
       - iASL/MADT: Add OEM-defined subtable (Bob Moore).
       - Interpreter: Fix some typo mistakes (Selvarasu Ganesan).
       - Updates for revision E.d of IORT (Shameer Kolothum).
       - Use ACPI_FORMAT_UINT64 for 64-bit output (Bob Moore).

   - Improve debug messages in the ACPI device PM code (Rafael Wysocki).

   - Block ASUS B1400CEAE from suspend to idle by default (Mario
     Limonciello).

   - Improve handling of PCI devices that are in D3cold during system
     initialization (Rafael Wysocki).

   - Fix BERT error region memory mapping (Lorenzo Pieralisi).

   - Add support for NVIDIA 16550-compatible port subtype to the SPCR
     parsing code (Jeff Brasen).

   - Use static for BGRT_SHOW kobj_attribute defines (Tom Rix).

   - Fix missing prototype warning for acpi_agdi_init() (Ilkka
     Koskinen).

   - Fix missing ERST record ID in the APEI code (Liu Xinpeng).

   - Make APEI error injection to refuse to inject into the zero page
     (Tony Luck).

   - Correct description of INT3407 / INT3532 DPTF attributes in sysfs
     (Sumeet Pawnikar).

   - Add support for high frequency impedance notification to the DPTF
     driver (Sumeet Pawnikar).

   - Make mp_config_acpi_gsi() a void function (Li kunyu).

   - Unify Package () representation for properties in the ACPI device
     properties documentation (Andy Shevchenko).

   - Include UUID in _DSM evaluation warning (Michael Niewöhner)"

* tag 'acpi-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (41 commits)
  Revert "ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms"
  ACPI: utils: include UUID in _DSM evaluation warning
  ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default
  x86: ACPI: Make mp_config_acpi_gsi() a void function
  ACPI: DPTF: Add support for high frequency impedance notification
  ACPI: AGDI: Fix missing prototype warning for acpi_agdi_init()
  ACPI: bus: Avoid non-ACPI device objects in walks over children
  ACPI: DPTF: Correct description of INT3407 / INT3532 attributes
  ACPI: BGRT: use static for BGRT_SHOW kobj_attribute defines
  ACPI, APEI, EINJ: Refuse to inject into the zero page
  ACPI: PM: Always print final debug message in acpi_device_set_power()
  ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype
  ACPI: docs: enumeration: Unify Package () for properties (part 2)
  ACPI: APEI: Fix missing ERST record id
  ACPICA: Update version to 20220331
  ACPICA: exsystem.c: Use ACPI_FORMAT_UINT64 for 64-bit output
  ACPICA: IORT: Updates for revision E.d
  ACPICA: executer/exsystem: Fix some typo mistakes
  ACPICA: iASL/MADT: Add OEM-defined subtable
  ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms
  ...
 2022-05-24 15:46:55 -07:00
Linus Torvalds
aa051d36ce for-linus-2022052401 
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Merge tag 'for-linus-2022052401' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - support for pens with 3 buttons with Wacom driver (Joshua Dickens)

 - support for HID_DG_SCANTIME to report the timestamp for pen and touch
   events in Wacom driver (Joshua Dickens)

 - support for sensor discovery in amd-sfh driver (Basavaraj Natikar)

 - support for wider variety of Huion tablets ported from DIGImend
   project (José Expósito, Nikolai Kondrashov)

 - new device IDs and other assorted small code cleanups

* tag 'for-linus-2022052401' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (44 commits)
  HID: apple: Properly handle function keys on Keychron keyboards
  HID: uclogic: Switch to Digitizer usage for styluses
  HID: uclogic: Add pen support for XP-PEN Star 06
  HID: uclogic: Differentiate touch ring and touch strip
  HID: uclogic: Always shift touch reports to zero
  HID: uclogic: Do not focus on touch ring only
  HID: uclogic: Return raw parameters from v2 pen init
  HID: uclogic: Move param printing to a function
  HID: core: Display "SENSOR HUB" for sensor hub bus string in hid_info
  HID: amd_sfh: Move bus declaration outside of amd-sfh
  HID: amd_sfh: Add physical location to HID device
  HID: amd_sfh: Modify the hid name
  HID: amd_sfh: Modify the bus name
  HID: amd_sfh: Add sensor name by index for debug info
  HID: amd_sfh: Add support for sensor discovery
  HID: bigben: fix slab-out-of-bounds Write in bigben_probe
  Hid: wacom: Fix kernel test robot warning
  HID: uclogic: Disable pen usage for Huion keyboard interfaces
  HID: uclogic: Support disabling pen usage
  HID: uclogic: Pass keyboard reports as is
  ...
 2022-05-24 15:21:15 -07:00
Linus Torvalds
d8e0f976f1 spi: Updates for v5.19 
This is quite a quiet release but some new drivers mean that the
 diffstat is fairly large, the new drivers include the aspeed driver
 which is migrated from MTD as part of the ongoing move of controllers
 with specialised support for SPI flashes into the SPI subsystem.
 
  - Support for devices which flip CPHA during recieve only transfers
    (eg, if MOSI and MISO have inverted polarity).
  - Overhaul of the i.MX driver, including the addition of PIO support
    for better performance on small transfers.
  - Migration of the Aspeed driver from MTD.
  - Support for Aspeed AST2400, Ingenic JZ4775 and X1/2000 and MediaTek
    IPM and SFI.
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Merge tag 'spi-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "This is quite a quiet release but some new drivers mean that the
  diffstat is fairly large. The new drivers include the aspeed driver
  which is migrated from MTD as part of the ongoing move of controllers
  with specialised support for SPI flashes into the SPI subsystem.

   - Support for devices which flip CPHA during recieve only transfers
     (eg, if MOSI and MISO have inverted polarity).

   - Overhaul of the i.MX driver, including the addition of PIO support
     for better performance on small transfers.

   - Migration of the Aspeed driver from MTD.

   - Support for Aspeed AST2400, Ingenic JZ4775 and X1/2000 and MediaTek
     IPM and SFI"

* tag 'spi-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (84 commits)
  spi: spi-au1550: replace ternary operator with min()
  mtd: spi-nor: aspeed: set the decoding size to at least 2MB for AST2600
  spi: aspeed: Calibrate read timings
  spi: aspeed: Add support for the AST2400 SPI controller
  spi: aspeed: Workaround AST2500 limitations
  spi: aspeed: Adjust direct mapping to device size
  spi: aspeed: Add support for direct mapping
  spi: spi-mem: Convert Aspeed SMC driver to spi-mem
  spi: Convert the Aspeed SMC controllers device tree binding
  spi: spi-cadence: Update ISR status variable type to irqreturn_t
  spi: Doc fix - Describe add_lock and dma_map_dev in spi_controller
  spi: cadence-quadspi: Handle spi_unregister_master() in remove()
  spi: stm32-qspi: Remove SR_BUSY bit check before sending command
  spi: stm32-qspi: Always check SR_TCF flags in stm32_qspi_wait_cmd()
  spi: stm32-qspi: Fix wait_cmd timeout in APM mode
  spi: cadence-quadspi: remove unnecessary (void *) casts
  spi: cadence-quadspi: Add missing blank line in cqspi_request_mmap_dma()
  spi: spi-imx: mx51_ecspi_prepare_message(): skip writing MX51_ECSPI_CONFIG register if unchanged
  spi: spi-imx: add PIO polling support
  spi: spi-imx: replace struct spi_imx_data::bitbang by pointer to struct spi_controller
  ...
 2022-05-24 15:13:30 -07:00
Linus Torvalds
9b18d07ba3 regulator: Updates for v5.19 
This is mostly a drivers update including a couple of new drivers but we
 do have some fixes and improvements to the core as well.
 
  - Make sure we don't log spuriously about uncontrollable regulators.
  - Don't use delays when we should use sleeps for regulators with
    larger ramp times.
  - Support for MediaTek MT6358 and MT6366, Richtek RT5759 and Silicon
    Mitus SM5703.
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Merge tag 'regulator-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This is mostly a drivers update including a couple of new drivers but
  we do have some fixes and improvements to the core as well.

   - Make sure we don't log spuriously about uncontrollable regulators.

   - Don't use delays when we should use sleeps for regulators with
     larger ramp times.

   - Support for MediaTek MT6358 and MT6366, Richtek RT5759 and Silicon
     Mitus SM5703"

* tag 'regulator-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (36 commits)
  regulator: scmi: Fix refcount leak in scmi_regulator_probe
  regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt
  regulator: qcom_smd: Fix up PM8950 regulator configuration
  regulator: core: Fix enable_count imbalance with EXCLUSIVE_GET
  regulator: core: Add error flags to sysfs attributes
  regulator: dt-bindings: qcom,rpmh: document vdd-l7-bob-supply on PMR735A
  regulator: dt-bindings: qcom,rpmh: document supplies per variant
  regulator: dt-bindings: qcom,rpmh: update maintainers
  regulator: mt6315: Enforce regulator-compatible, not name
  regulator: pca9450: Enable DVS control via PMIC_STBY_REQ
  regulator: pca9450: Make warm reset on WDOG_B assertion
  regulator: Add property for WDOG_B warm reset
  regulator: pca9450: Make I2C Level Translator configurable
  regulator: Add property for I2C level shifter
  regulator: sm5703: Correct reference to the common regulator schema
  regulator: sm5703-regulator: Add regulators support for SM5703 MFD
  dt-bindings: regulator: Add bindings for Silicon Mitus SM5703 regulators
  regulator: richtek,rt4801: parse GPIOs per regulator
  regulator: dt-bindings: richtek,rt4801: use existing ena_gpiod feature
  regulator: core: Sleep (not delay) in set_voltage()
  ...
 2022-05-24 15:09:47 -07:00
Linus Torvalds
5d23bb5f25 regmap: Updates for v5.19 
The main change here is Marek's addition of bulk read/write callbacks
 for individual regmaps, we've supported single register operations for a
 while but there's enough hardware out there which can use bulk equivalents
 to make it worthwhile.
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Merge tag 'regmap-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "The main change here is Marek's addition of bulk read/write callbacks
  for individual regmaps, we've supported single register operations for
  a while but there's enough hardware out there which can use bulk
  equivalents to make it worthwhile"

* tag 'regmap-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: Add missing map->bus check
  regmap: Add bulk read/write callbacks into regmap_config
  regmap: cache: set max_register with reg_stride
  regmap: Constify static regmap_bus structs
 2022-05-24 15:02:58 -07:00
Linus Torvalds
638971b77f MMC core: 
- Support zero-out using TRIM for eMMC
  - Allow to override the busy-timeout for the ioctl-cmds
 
 MMC host:
  - Continued the conversion of DT bindings into the JSON schema
  - jz4740: Apply DMA engine limits to maximum segment size
  - mmci_stm32: Use a buffer for unaligned DMA requests
  - mmc_spi: Enabled high-speed modes via parsing of DT
  - omap: Make clock management to be compliant with CCF
  - renesas_sdhi: Support eMMC HS400 mode for R-Car V3H ES2.0
  - renesas_sdhi: Don't allow support for eMMC HS400 for R-Car V3M/D3
  - sdhci_am654: Fix problem when SD card slot lacks the card detect line
  - sdhci-esdhc-imx: Add support for the imx8dxl variant
  - sdhci-brcmstb: Enable support for clock gating to save power
  - sdhci-msm: Add support for the sdx65 variant
  - sdhci-msm: Add support for the sm8150 variant
  - sdhci-of-dwcmshc: Add support for the Rockchip rk3588 variant
  - sdhci-pci-gli: Add workaround to allow GL9755 to enter ASPM L1.2
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Merge tag 'mmc-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:

   - Support zero-out using TRIM for eMMC

   - Allow to override the busy-timeout for the ioctl-cmds

  MMC host:

   - Continued the conversion of DT bindings into the JSON schema

   - jz4740: Apply DMA engine limits to maximum segment size

   - mmci_stm32: Use a buffer for unaligned DMA requests

   - mmc_spi: Enabled high-speed modes via parsing of DT

   - omap: Make clock management to be compliant with CCF

   - renesas_sdhi:
      - Support eMMC HS400 mode for R-Car V3H ES2.0
      - Don't allow support for eMMC HS400 for R-Car V3M/D3

   - sdhci_am654: Fix problem when SD card slot lacks the card detect
     line

   - sdhci-esdhc-imx: Add support for the imx8dxl variant

   - sdhci-brcmstb: Enable support for clock gating to save power

   - sdhci-msm:
      - Add support for the sdx65 variant
      - Add support for the sm8150 variant

   - sdhci-of-dwcmshc: Add support for the Rockchip rk3588 variant

   - sdhci-pci-gli: Add workaround to allow GL9755 to enter ASPM L1.2"

* tag 'mmc-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (52 commits)
  mmc: sdhci-of-arasan: Add NULL check for data field
  mmc: core: Support zeroout using TRIM for eMMC
  mmc: sdhci-brcmstb: Fix compiler warning
  mmc: sdhci-msm: Add compatible string check for sdx65
  dt-bindings: mmc: sdhci-msm: Document the SDX65 compatible
  mmc: sdhci-msm: Add compatible string check for sm8150
  dt-bindings: mmc: sdhci-msm: Add compatible string for sm8150
  mmc: sdhci-msm: Add SoC specific compatibles
  dt-bindings: mmc: sdhci-msm: Convert bindings to yaml
  dt-bindings: mmc: brcm,sdhci-brcmstb: cleanup example
  dt-bindings: mmc: brcm,sdhci-brcmstb: correct number of reg entries
  mmc: sdhci-brcmstb: Enable Clock Gating to save power
  mmc: sdhci-brcmstb: Re-organize flags
  mmc: mmci: Remove custom ios handler
  mmc: atmel-mci: Simplify if(chan) and if(!chan)
  mmc: core: use kobj_to_dev()
  dt-bindings: mmc: sdhci-of-dwcmhsc: Add rk3588
  mmc: core: Add CIDs for cards to the entropy pool
  mmc: core: Allows to override the timeout value for ioctl() path
  mmc: sdhci-omap: Use of_device_get_match_data() helper
  ...
 2022-05-24 14:56:38 -07:00
Linus Torvalds
b1b5bf1640 Fixes for IPMI 
Add limits on the number of users and messages, plus sysfs interfaces
 to control those limits.
 
 Other than that, little cleanups, use dev_xxx() insted of pr_xxx(),
 create initializers for structures, fix a refcount leak, etc.
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Merge tag 'for-linus-4.19-1' of https://github.com/cminyard/linux-ipmi

Pull IPMI update from Corey Minyard:
 "Add limits on the number of users and messages, plus sysfs interfaces
  to control those limits.

  Other than that, little cleanups, use dev_xxx() insted of pr_xxx(),
  create initializers for structures, fix a refcount leak, etc"

* tag 'for-linus-4.19-1' of https://github.com/cminyard/linux-ipmi:
  ipmi:ipmb: Fix refcount leak in ipmi_ipmb_probe
  ipmi: remove unnecessary type castings
  ipmi: Make two logs unique
  ipmi:si: Convert pr_debug() to dev_dbg()
  ipmi: Convert pr_debug() to dev_dbg()
  ipmi: Fix pr_fmt to avoid compilation issues
  ipmi: Add an intializer for ipmi_recv_msg struct
  ipmi: Add an intializer for ipmi_smi_msg struct
  ipmi:ssif: Check for NULL msg when handling events and messages
  ipmi: use simple i2c probe function
  ipmi: Add a sysfs count of total outstanding messages for an interface
  ipmi: Add a sysfs interface to view the number of users
  ipmi: Limit the number of message a user may have outstanding
  ipmi: Add a limit on the number of users that may use IPMI
 2022-05-24 14:50:54 -07:00
Linus Torvalds
d335371940 MTD core changes: 
* Call of_platform_populate() for MTD partitions
 * Check devicetree alias for index
 * mtdoops:
   - Add a timestamp to the mtdoops header.
   - Create a header structure for the saved mtdoops.
   - Fix the size of the header read buffer.
 * mtdblock: Warn if opened on NAND
 * Bindings:
   - reserved-memory: Support MTD/block device
   - jedec,spi-nor: remove unneeded properties
   - Extend fixed-partitions binding
   - Add Sercomm (Suzhou) Corporation vendor prefix
 
 MTD driver changes:
 * st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
 * phram:
   - Allow cached mappings
   - Allow probing via reserved-memory
 * maps: ixp4xx: Drop driver
 * bcm47xxpart: Print correct offset on read error
 
 CFI driver changes:
 * Rename chip_ready variables
 * Add S29GL064N ID definition
 * Use chip_ready() for write on S29GL064N
 * Move and rename chip_check/chip_ready/chip_good_for_write
 
 NAND core changes:
 * Print offset instead of page number for bad blocks
 
 Raw NAND controller drivers:
 * Cadence: Fix possible null-ptr-deref in cadence_nand_dt_probe()
 * CS553X: simplify the return expression of cs553x_write_ctrl_byte()
 * Davinci: Remove redundant unsigned comparison to zero
 * Denali: Use managed device resources
 * GPMI:
   - Add large oob bch setting support
   - Rename the variable ecc_chunk_size
   - Uninline the gpmi_check_ecc function
   - Add strict ecc strength check
   - Refactor BCH geometry settings function
 * Intel: Fix possible null-ptr-deref in ebu_nand_probe()
 * MPC5121: Check before clk_disable_unprepare() not needed
 * Mtk:
   - MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
   - Also parse the default nand-ecc-engine property if available
   - Make mtk_ecc.c a separated module
 * OMAP ELM:
   - Convert the bindings to yaml
   - Describe the bindings for AM64 ELM
   - Add support for its compatible
 * Renesas: Use runtime PM instead of the raw clock API and update the
            bindings accordingly
 * Rockchip: Check before clk_disable_unprepare() not needed
 * TMIO: Check return value after calling platform_get_resource()
 
 Raw NAND chip driver:
 * Kioxia: Add support for TH58NVG3S0HBAI4 and TC58NVG0S3HTA00
 
 SPI-NAND chip drivers:
 * Gigadevice:
   - Add support for:
     - GD5FxGM7xExxG
     - GD5F{2,4}GQ5xExxG
     - GD5F1GQ5RExxG
     - GD5FxGQ4xExxG
   - Fix Quad IO for GD5F1GQ5UExxG
 * XTX: Add support for XT26G0xA
 
 SPI NOR core changes:
 * Read back written SR value to make sure the write was done correctly.
 * Introduce a common function for Read ID that manufacturer drivers can
   use to verify the Octal DTR switch worked correctly.
 * Add helpers for read/write any register commands so manufacturer
   drivers don't open code it every time.
 * Clarify rdsr dummy cycles documentation.
 * Add debugfs entry to expose internal flash parameters and state.
 
 SPI NOR manufacturer drivers changes:
 * Add support for Winbond W25Q512NW-IM, and Eon EN25QH256A.
 * Move spi_nor_write_ear() to Winbond module since only Winbond flashes
   use it.
 * Rework Micron and Cypress Octal DTR enable methods to improve
   readability.
 * Use the common Read ID function to verify switch to Octal DTR mode for
   Micron and Cypress flashes.
 * Skip polling status on volatile register writes for Micron and Cypress
   flashes since the operation is instant.
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Merge tag 'mtd/for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull mtd updates from Miquel Raynal:
 "MTD core changes:
   - Call of_platform_populate() for MTD partitions
   - Check devicetree alias for index
   - mtdoops:
      - Add a timestamp to the mtdoops header.
      - Create a header structure for the saved mtdoops.
      - Fix the size of the header read buffer.
   - mtdblock: Warn if opened on NAND
   - Bindings:
      - reserved-memory: Support MTD/block device
      - jedec,spi-nor: remove unneeded properties
      - Extend fixed-partitions binding
      - Add Sercomm (Suzhou) Corporation vendor prefix

  MTD driver changes:
   - st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
   - phram:
      - Allow cached mappings
      - Allow probing via reserved-memory
   - maps: ixp4xx: Drop driver
   - bcm47xxpart: Print correct offset on read error

  CFI driver changes:
   - Rename chip_ready variables
   - Add S29GL064N ID definition
   - Use chip_ready() for write on S29GL064N
   - Move and rename chip_check/chip_ready/chip_good_for_write

  NAND core changes:
   - Print offset instead of page number for bad blocks

  Raw NAND controller drivers:
   - Cadence: Fix possible null-ptr-deref in cadence_nand_dt_probe()
   - CS553X: simplify the return expression of cs553x_write_ctrl_byte()
   - Davinci: Remove redundant unsigned comparison to zero
   - Denali: Use managed device resources
   - GPMI:
      - Add large oob bch setting support
      - Rename the variable ecc_chunk_size
      - Uninline the gpmi_check_ecc function
      - Add strict ecc strength check
      - Refactor BCH geometry settings function
   - Intel: Fix possible null-ptr-deref in ebu_nand_probe()
   - MPC5121: Check before clk_disable_unprepare() not needed
   - Mtk:
      - MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
      - Also parse the default nand-ecc-engine property if available
      - Make mtk_ecc.c a separated module
   - OMAP ELM:
      - Convert the bindings to yaml
      - Describe the bindings for AM64 ELM
      - Add support for its compatible
   - Renesas: Use runtime PM instead of the raw clock API and update the
     bindings accordingly
   - Rockchip: Check before clk_disable_unprepare() not needed
   - TMIO: Check return value after calling platform_get_resource()

  Raw NAND chip driver:
   - Kioxia: Add support for TH58NVG3S0HBAI4 and TC58NVG0S3HTA00

  SPI-NAND chip drivers:
   - Gigadevice:
      - Add support for:
         - GD5FxGM7xExxG
         - GD5F{2,4}GQ5xExxG
         - GD5F1GQ5RExxG
         - GD5FxGQ4xExxG
      - Fix Quad IO for GD5F1GQ5UExxG
   - XTX: Add support for XT26G0xA

  SPI NOR core changes:
   - Read back written SR value to make sure the write was done
     correctly.
   - Introduce a common function for Read ID that manufacturer drivers
     can use to verify the Octal DTR switch worked correctly.
   - Add helpers for read/write any register commands so manufacturer
     drivers don't open code it every time.
   - Clarify rdsr dummy cycles documentation.
   - Add debugfs entry to expose internal flash parameters and state.

  SPI NOR manufacturer drivers changes:
   - Add support for Winbond W25Q512NW-IM, and Eon EN25QH256A.
   - Move spi_nor_write_ear() to Winbond module since only Winbond
     flashes use it.
   - Rework Micron and Cypress Octal DTR enable methods to improve
     readability.
   - Use the common Read ID function to verify switch to Octal DTR mode
     for Micron and Cypress flashes.
   - Skip polling status on volatile register writes for Micron and
     Cypress flashes since the operation is instant"

* tag 'mtd/for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (68 commits)
  mtd: st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
  dt-bindings: mtd: partitions: Extend fixed-partitions binding
  dt-bindings: Add Sercomm (Suzhou) Corporation vendor prefix
  mtd: phram: Allow cached mappings
  mtd: call of_platform_populate() for MTD partitions
  mtd: rawnand: renesas: Use runtime PM instead of the raw clock API
  dt-bindings: mtd: renesas: Fix the NAND controller description
  mtd: rawnand: mpc5121: Check before clk_disable_unprepare() not needed
  mtd: rawnand: rockchip: Check before clk_disable_unprepare() not needed
  mtd: nand: MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
  mtd: rawnand: cs553x: simplify the return expression of cs553x_write_ctrl_byte()
  mtd: rawnand: kioxia: Add support for TH58NVG3S0HBAI4
  mtd: spi-nor: debugfs: fix format specifier
  mtd: spi-nor: support eon en25qh256a variant
  mtd: spi-nor: winbond: add support for W25Q512NW-IM
  mtd: spi-nor: expose internal parameters via debugfs
  mtd: spi-nor: export spi_nor_hwcaps_pp2cmd()
  mtd: spi-nor: move spi_nor_write_ear() to winbond module
  mtd: spi-nor: amend the rdsr dummy cycles documentation
  mtd: cfi_cmdset_0002: Rename chip_ready variables
  ...
 2022-05-24 14:31:29 -07:00
Linus Torvalds
076f222a69 hwmon updates for v5.19-rc1 
- New drivers
 
   - Driver for the Microchip LAN966x SoC
 
   - PMBus driver for Infineon Digital Multi-phase xdp152 family controllers
 
 - Chip support added to existing drivers
 
   - asus-ec-sensors
 
     - Support for ROG STRIX X570-E GAMING WIFI II, PRIME X470-PRO,
       and ProArt X570 Creator WIFI
 
     - External temperature sensor support for ASUS WS X570-ACE
 
   - nct6775
 
     - Support for I2C driver
 
     - Support for ASUS PRO H410T / PRIME H410M-R / ROG X570-E GAMING WIFI II
 
   - lm75
 
     - Support for - Atmel AT30TS74
 
   - pmbus/max16601
 
     - Support for MAX16602
 
   - aquacomputer_d5next
 
     - Support for Aquacomputer Farbwerk
 
     - Support for Aquacomputer Octo
 
   - jc42
 
     - Support for S-34TS04A
 
 - Kernel API changes / clarifications
 
   - The chip parameter of with_info API is now mandatory
 
   - New hwmon_device_register_for_thermal API call for use by the thermal
     subsystem
 
 - Improvements
 
   - PMBus and JC42 drivers now register with thermal subsystem
 
   - PMBus drivers now support get_voltage/set_voltage power operations
 
   - The adt7475 driver now supports pin configuration
 
   - The lm90 driver now supports setting extended range temperatures
     configuration with a devicetree property
 
   - The dell-smm driver now registers as cooling device
 
   - The OCC driver delays hwmon registration until requested by userspace
 
 - Various other minor fixes and improvements
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Merge tag 'hwmon-for-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:

   - Driver for the Microchip LAN966x SoC

   - PMBus driver for Infineon Digital Multi-phase xdp152 family
     controllers

  Chip support added to existing drivers:

   - asus-ec-sensors:
      - Support for ROG STRIX X570-E GAMING WIFI II, PRIME X470-PRO, and
        ProArt X570 Creator WIFI
      - External temperature sensor support for ASUS WS X570-ACE

   - nct6775:
      - Support for I2C driver
      - Support for ASUS PRO H410T / PRIME H410M-R /
        ROG X570-E GAMING WIFI II

   - lm75:
      - Support for - Atmel AT30TS74

   - pmbus/max16601:
      - Support for MAX16602

   - aquacomputer_d5next:
      - Support for Aquacomputer Farbwerk
      - Support for Aquacomputer Octo

   - jc42:
      - Support for S-34TS04A

  Kernel API changes / clarifications:

   - The chip parameter of with_info API is now mandatory

   - New hwmon_device_register_for_thermal API call for use by the
     thermal subsystem

  Improvements:

   - PMBus and JC42 drivers now register with thermal subsystem

   - PMBus drivers now support get_voltage/set_voltage power operations

   - The adt7475 driver now supports pin configuration

   - The lm90 driver now supports setting extended range temperatures
     configuration with a devicetree property

   - The dell-smm driver now registers as cooling device

   - The OCC driver delays hwmon registration until requested by
     userspace

  ... and various other minor fixes and improvements"

* tag 'hwmon-for-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (71 commits)
  hwmon: (aquacomputer_d5next) Fix an error handling path in aqc_probe()
  hwmon: (sl28cpld) Fix typo in comment
  hwmon: (pmbus) Check PEC support before reading other registers
  hwmon: (dimmtemp) Fix bitmap handling
  hwmon: (lm90) enable extended range according to DTS node
  dt-bindings: hwmon: lm90: add ti,extended-range-enable property
  dt-bindings: hwmon: lm90: add missing ti,tmp461
  hwmon: (ibmaem) Directly use ida_alloc()/free()
  hwmon: Directly use ida_alloc()/free()
  hwmon: (asus-ec-sensors) fix Formula VIII definition
  dt-bindings: trivial-devices: Add xdp152
  hwmon: (sl28cpld-hwmon) Use HWMON_CHANNEL_INFO macro
  hwmon: (pwm-fan) Use HWMON_CHANNEL_INFO macro
  hwmon: (peci/dimmtemp) Use HWMON_CHANNEL_INFO macro
  hwmon: (peci/cputemp) Use HWMON_CHANNEL_INFO macro
  hwmon: (mr75203) Use HWMON_CHANNEL_INFO macro
  hwmon: (ltc2992) Use HWMON_CHANNEL_INFO macro
  hwmon: (as370-hwmon) Use HWMON_CHANNEL_INFO macro
  hwmon: Make chip parameter for with_info API mandatory
  thermal/drivers/thermal_hwmon: Use hwmon_device_register_for_thermal()
  ...
 2022-05-24 14:23:10 -07:00
Linus Torvalds
0350785b0a integrity-v5.19 
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Merge tag 'integrity-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull IMA updates from Mimi Zohar:
 "New is IMA support for including fs-verity file digests and signatures
  in the IMA measurement list as well as verifying the fs-verity file
  digest based signatures, both based on policy.

  In addition, are two bug fixes:

   - avoid reading UEFI variables, which cause a page fault, on Apple
     Macs with T2 chips.

   - remove the original "ima" template Kconfig option to address a boot
     command line ordering issue.

  The rest is a mixture of code/documentation cleanup"

* tag 'integrity-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  integrity: Fix sparse warnings in keyring_handler
  evm: Clean up some variables
  evm: Return INTEGRITY_PASS for enum integrity_status value '0'
  efi: Do not import certificates from UEFI Secure Boot for T2 Macs
  fsverity: update the documentation
  ima: support fs-verity file digest based version 3 signatures
  ima: permit fsverity's file digests in the IMA measurement list
  ima: define a new template field named 'd-ngv2' and templates
  fs-verity: define a function to return the integrity protected file digest
  ima: use IMA default hash algorithm for integrity violations
  ima: fix 'd-ng' comments and documentation
  ima: remove the IMA_TEMPLATE Kconfig option
  ima: remove redundant initialization of pointer 'file'.
 2022-05-24 13:50:39 -07:00
Linus Torvalds
7cf6a8a17f tpmdd updates for v5.19-rc1 
- Strictened validation of key hashes for SYSTEM_BLACKLIST_HASH_LIST.  An
   invalid hash format causes a compilation error.  Previously, they got
   included to the kernel binary but were silently ignored at run-time.
 - Allow root user to append new hashes to the blacklist keyring.
 - Trusted keys backed with Cryptographic Acceleration and Assurance Module
   (CAAM), which part of some of the new NXP's SoC's.  Now there is total
   three hardware backends for trusted keys: TPM, ARM TEE and CAAM.
 - A scattered set of fixes and small improvements for the TPM driver.
 
 Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Merge tag 'tpmdd-next-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull tpm updates from Jarkko Sakkinen:

 - Tightened validation of key hashes for SYSTEM_BLACKLIST_HASH_LIST. An
   invalid hash format causes a compilation error. Previously, they got
   included to the kernel binary but were silently ignored at run-time.

 - Allow root user to append new hashes to the blacklist keyring.

 - Trusted keys backed with Cryptographic Acceleration and Assurance
   Module (CAAM), which part of some of the new NXP's SoC's. Now there
   is total three hardware backends for trusted keys: TPM, ARM TEE and
   CAAM.

 - A scattered set of fixes and small improvements for the TPM driver.

* tag 'tpmdd-next-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  MAINTAINERS: add KEYS-TRUSTED-CAAM
  doc: trusted-encrypted: describe new CAAM trust source
  KEYS: trusted: Introduce support for NXP CAAM-based trusted keys
  crypto: caam - add in-kernel interface for blob generator
  crypto: caam - determine whether CAAM supports blob encap/decap
  KEYS: trusted: allow use of kernel RNG for key material
  KEYS: trusted: allow use of TEE as backend without TCG_TPM support
  tpm: Add field upgrade mode support for Infineon TPM2 modules
  tpm: Fix buffer access in tpm2_get_tpm_pt()
  char: tpm: cr50_i2c: Suppress duplicated error message in .remove()
  tpm: cr50: Add new device/vendor ID 0x504a6666
  tpm: Remove read16/read32/write32 calls from tpm_tis_phy_ops
  tpm: ibmvtpm: Correct the return value in tpm_ibmvtpm_probe()
  tpm/tpm_ftpm_tee: Return true/false (not 1/0) from bool functions
  certs: Explain the rationale to call panic()
  certs: Allow root user to append signed hashes to the blacklist keyring
  certs: Check that builtin blacklist hashes are valid
  certs: Make blacklist_vet_description() more strict
  certs: Factor out the blacklist hash creation
  tools/certs: Add print-cert-tbs-hash.sh
 2022-05-24 13:16:50 -07:00
Linus Torvalds
a9d1046a84 Smack update for 5.19 
Remove unnecessary assignment
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Merge tag 'Smack-for-5.19' of https://github.com/cschaufler/smack-next

Pull smack update from Casey Schaufler:
 "A single change to remove a pointless assignment"

* tag 'Smack-for-5.19' of https://github.com/cschaufler/smack-next:
  smack: Remove redundant assignments
 2022-05-24 13:13:50 -07:00
Linus Torvalds
cb44e4f061 Landlock updates for v5.19-rc1 
Important changes:
 * improve the path_rename LSM hook implementations for RENAME_EXCHANGE;
 * fix a too-restrictive filesystem control for a rare corner case;
 * set the nested sandbox limitation to 16 layers;
 * add a new LANDLOCK_ACCESS_FS_REFER access right to properly handle
   file reparenting (i.e. full rename and link support);
 * add new tests and documentation;
 * format code with clang-format to make it easier to maintain and
   contribute.
 
 Related patch series:
 * [PATCH v1 0/7] Landlock: Clean up coding style with clang-format
   https://lore.kernel.org/r/20220506160513.523257-1-mic@digikod.net
 * [PATCH v2 00/10] Minor Landlock fixes and new tests
   https://lore.kernel.org/r/20220506160820.524344-1-mic@digikod.net
 * [PATCH v3 00/12] Landlock: file linking and renaming support
   https://lore.kernel.org/r/20220506161102.525323-1-mic@digikod.net
 * [PATCH v2] landlock: Explain how to support Landlock
   https://lore.kernel.org/r/20220513112743.156414-1-mic@digikod.net
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Merge tag 'landlock-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

Pull Landlock updates from Mickaël Salaün:

 - improve the path_rename LSM hook implementations for RENAME_EXCHANGE;

 - fix a too-restrictive filesystem control for a rare corner case;

 - set the nested sandbox limitation to 16 layers;

 - add a new LANDLOCK_ACCESS_FS_REFER access right to properly handle
   file reparenting (i.e. full rename and link support);

 - add new tests and documentation;

 - format code with clang-format to make it easier to maintain and
   contribute.

* tag 'landlock-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: (30 commits)
  landlock: Explain how to support Landlock
  landlock: Add design choices documentation for filesystem access rights
  landlock: Document good practices about filesystem policies
  landlock: Document LANDLOCK_ACCESS_FS_REFER and ABI versioning
  samples/landlock: Add support for file reparenting
  selftests/landlock: Add 11 new test suites dedicated to file reparenting
  landlock: Add support for file reparenting with LANDLOCK_ACCESS_FS_REFER
  LSM: Remove double path_rename hook calls for RENAME_EXCHANGE
  landlock: Move filesystem helpers and add a new one
  landlock: Fix same-layer rule unions
  landlock: Create find_rule() from unmask_layers()
  landlock: Reduce the maximum number of layers to 16
  landlock: Define access_mask_t to enforce a consistent access mask size
  selftests/landlock: Test landlock_create_ruleset(2) argument check ordering
  landlock: Change landlock_restrict_self(2) check ordering
  landlock: Change landlock_add_rule(2) argument check ordering
  selftests/landlock: Add tests for O_PATH
  selftests/landlock: Fully test file rename with "remove" access
  selftests/landlock: Extend access right tests to directories
  selftests/landlock: Add tests for unknown access rights
  ...
 2022-05-24 13:09:13 -07:00
Linus Torvalds
efd1df1982 selinux/stable-5.19 PR 20220523 
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Merge tag 'selinux-pr-20220523' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

Pull selinux updates from Paul Moore:
 "We've got twelve patches queued for v5.19, with most being fairly
  minor. The highlights are below:

   - The checkreqprot and runtime disable knobs have been deprecated for
     some time with no active users that we can find. In an effort to
     move things along we are adding a pause when the knobs are used to
     help make the deprecation more noticeable in case anyone is still
     using these hacks in the shadows.

   - We've added the anonymous inode class name to the AVC audit records
     when anonymous inodes are involved. This should make writing policy
     easier when anonymous inodes are involved.

   - More constification work. This is fairly straightforward and the
     source of most of the diffstat.

   - The usual minor cleanups: remove unnecessary assignments, assorted
     style/checkpatch fixes, kdoc fixes, macro while-loop
     encapsulations, #include tweaks, etc"

* tag 'selinux-pr-20220523' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
  security: declare member holding string literal const
  selinux: log anon inode class name
  selinux: declare data arrays const
  selinux: fix indentation level of mls_ops block
  selinux: include necessary headers in headers
  selinux: avoid extra semicolon
  selinux: update parameter documentation
  selinux: resolve checkpatch errors
  selinux: don't sleep when CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE is true
  selinux: checkreqprot is deprecated, add some ssleep() discomfort
  selinux: runtime disable is deprecated, add some ssleep() discomfort
  selinux: Remove redundant assignments
 2022-05-24 13:06:32 -07:00
Linus Torvalds
a6b450573b execve updates for v5.19-rc1 
- Fix binfmt_flat GOT handling for riscv (Niklas Cassel)
 
 - Remove unused/broken shared library and coredump code (Eric W. Biederman)
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Merge tag 'execve-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull execve updates from Kees Cook:

 - Fix binfmt_flat GOT handling for riscv (Niklas Cassel)

 - Remove unused/broken binfmt_flat shared library and coredump code
   (Eric W. Biederman)

* tag 'execve-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  binfmt_flat: Remove shared library support
  binfmt_flat: Drop vestiges of coredump support
  binfmt_flat: do not stop relocating GOT entries prematurely on riscv
 2022-05-24 12:49:48 -07:00
Linus Torvalds
dc8af1ffd6 seccomp updates for v5.19-rc1 
- Rework USER_NOTIF notification ordering and kill logic (Sargun Dhillon)
 
 - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn)
 
 - Gracefully handle failed unshare() in selftests (Yang Guang)
 
 - Spelling fix (Colin Ian King)
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Merge tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull seccomp updates from Kees Cook:

 - Rework USER_NOTIF notification ordering and kill logic (Sargun
   Dhillon)

 - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn)

 - Gracefully handle failed unshare() in selftests (Yang Guang)

 - Spelling fix (Colin Ian King)

* tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  selftests/seccomp: Fix spelling mistake "Coud" -> "Could"
  selftests/seccomp: Add test for wait killable notifier
  selftests/seccomp: Refactor get_proc_stat to split out file reading code
  seccomp: Add wait_killable semantic to seccomp user notifier
  selftests/seccomp: Ensure that notifications come in FIFO order
  seccomp: Use FIFO semantics to order notifications
  selftests/seccomp: Add SKIP for failed unshare()
  selftests/seccomp: Test PTRACE_O_SUSPEND_SECCOMP without CAP_SYS_ADMIN
 2022-05-24 12:37:24 -07:00
Eric Biggers
5f41fdaea6 ext4: only allow test_dummy_encryption when supported 
Make the test_dummy_encryption mount option require that the encrypt
feature flag be already enabled on the filesystem, rather than
automatically enabling it.  Practically, this means that "-O encrypt"
will need to be included in MKFS_OPTIONS when running xfstests with the
test_dummy_encryption mount option.  (ext4/053 also needs an update.)

Moreover, as long as the preconditions for test_dummy_encryption are
being tightened anyway, take the opportunity to start rejecting it when
!CONFIG_FS_ENCRYPTION rather than ignoring it.

The motivation for requiring the encrypt feature flag is that:

- Having the filesystem auto-enable feature flags is problematic, as it
  bypasses the usual sanity checks.  The specific issue which came up
  recently is that in kernel versions where ext4 supports casefold but
  not encrypt+casefold (v5.1 through v5.10), the kernel will happily add
  the encrypt flag to a filesystem that has the casefold flag, making it
  unmountable -- but only for subsequent mounts, not the initial one.
  This confused the casefold support detection in xfstests, causing
  generic/556 to fail rather than be skipped.

- The xfstests-bld test runners (kvm-xfstests et al.) already use the
  required mkfs flag, so they will not be affected by this change.  Only
  users of test_dummy_encryption alone will be affected.  But, this
  option has always been for testing only, so it should be fine to
  require that the few users of this option update their test scripts.

- f2fs already requires it (for its equivalent feature flag).

Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Link: https://lore.kernel.org/r/20220519204437.61645-1-ebiggers@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
 2022-05-24 15:34:27 -04:00
Baokun Li
d36f6ed761 ext4: fix bug_on in __es_tree_search 
Hulk Robot reported a BUG_ON:
==================================================================
kernel BUG at fs/ext4/extents_status.c:199!
[...]
RIP: 0010:ext4_es_end fs/ext4/extents_status.c:199 [inline]
RIP: 0010:__es_tree_search+0x1e0/0x260 fs/ext4/extents_status.c:217
[...]
Call Trace:
 ext4_es_cache_extent+0x109/0x340 fs/ext4/extents_status.c:766
 ext4_cache_extents+0x239/0x2e0 fs/ext4/extents.c:561
 ext4_find_extent+0x6b7/0xa20 fs/ext4/extents.c:964
 ext4_ext_map_blocks+0x16b/0x4b70 fs/ext4/extents.c:4384
 ext4_map_blocks+0xe26/0x19f0 fs/ext4/inode.c:567
 ext4_getblk+0x320/0x4c0 fs/ext4/inode.c:980
 ext4_bread+0x2d/0x170 fs/ext4/inode.c:1031
 ext4_quota_read+0x248/0x320 fs/ext4/super.c:6257
 v2_read_header+0x78/0x110 fs/quota/quota_v2.c:63
 v2_check_quota_file+0x76/0x230 fs/quota/quota_v2.c:82
 vfs_load_quota_inode+0x5d1/0x1530 fs/quota/dquot.c:2368
 dquot_enable+0x28a/0x330 fs/quota/dquot.c:2490
 ext4_quota_enable fs/ext4/super.c:6137 [inline]
 ext4_enable_quotas+0x5d7/0x960 fs/ext4/super.c:6163
 ext4_fill_super+0xa7c9/0xdc00 fs/ext4/super.c:4754
 mount_bdev+0x2e9/0x3b0 fs/super.c:1158
 mount_fs+0x4b/0x1e4 fs/super.c:1261
[...]
==================================================================

Above issue may happen as follows:
-------------------------------------
ext4_fill_super
 ext4_enable_quotas
  ext4_quota_enable
   ext4_iget
    __ext4_iget
     ext4_ext_check_inode
      ext4_ext_check
       __ext4_ext_check
        ext4_valid_extent_entries
         Check for overlapping extents does't take effect
   dquot_enable
    vfs_load_quota_inode
     v2_check_quota_file
      v2_read_header
       ext4_quota_read
        ext4_bread
         ext4_getblk
          ext4_map_blocks
           ext4_ext_map_blocks
            ext4_find_extent
             ext4_cache_extents
              ext4_es_cache_extent
               ext4_es_cache_extent
                __es_tree_search
                 ext4_es_end
                  BUG_ON(es->es_lblk + es->es_len < es->es_lblk)

The error ext4 extents is as follows:
0af3 0300 0400 0000 00000000    extent_header
00000000 0100 0000 12000000     extent1
00000000 0100 0000 18000000     extent2
02000000 0400 0000 14000000     extent3

In the ext4_valid_extent_entries function,
if prev is 0, no error is returned even if lblock<=prev.
This was intended to skip the check on the first extent, but
in the error image above, prev=0+1-1=0 when checking the second extent,
so even though lblock<=prev, the function does not return an error.
As a result, bug_ON occurs in __es_tree_search and the system panics.

To solve this problem, we only need to check that:
1. The lblock of the first extent is not less than 0.
2. The lblock of the next extent  is not less than
   the next block of the previous extent.
The same applies to extent_idx.

Cc: stable@kernel.org
Fixes: 5946d08937 ("ext4: check for overlapping extents in ext4_valid_extent_entries()")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220518120816.1541863-1-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
 2022-05-24 15:34:17 -04:00
Jan Kara
3ba733f879 ext4: avoid cycles in directory h-tree 
A maliciously corrupted filesystem can contain cycles in the h-tree
stored inside a directory. That can easily lead to the kernel corrupting
tree nodes that were already verified under its hands while doing a node
split and consequently accessing unallocated memory. Fix the problem by
verifying traversed block numbers are unique.

Cc: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220518093332.13986-2-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
 2022-05-24 15:34:13 -04:00
Jan Kara
46c116b920 ext4: verify dir block before splitting it 
Before splitting a directory block verify its directory entries are sane
so that the splitting code does not access memory it should not.

Cc: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220518093332.13986-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
 2022-05-24 15:34:08 -04:00
Theodore Ts'o
c878bea3c9 ext4: filter out EXT4_FC_REPLAY from on-disk superblock field s_state 
The EXT4_FC_REPLAY bit in sbi->s_mount_state is used to indicate that
we are in the middle of replay the fast commit journal.  This was
actually a mistake, since the sbi->s_mount_info is initialized from
es->s_state.  Arguably s_mount_state is misleadingly named, but the
name is historical --- s_mount_state and s_state dates back to ext2.

What should have been used is the ext4_{set,clear,test}_mount_flag()
inline functions, which sets EXT4_MF_* bits in sbi->s_mount_flags.

The problem with using EXT4_FC_REPLAY is that a maliciously corrupted
superblock could result in EXT4_FC_REPLAY getting set in
s_mount_state.  This bypasses some sanity checks, and this can trigger
a BUG() in ext4_es_cache_extent().  As a easy-to-backport-fix, filter
out the EXT4_FC_REPLAY bit for now.  We should eventually transition
away from EXT4_FC_REPLAY to something like EXT4_MF_REPLAY.

Cc: stable@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Link: https://lore.kernel.org/r/20220420192312.1655305-1-phind.uet@gmail.com
Link: https://lore.kernel.org/r/20220517174028.942119-1-tytso@mit.edu
Reported-by: syzbot+c7358a3cd05ee786eb31@syzkaller.appspotmail.com
 2022-05-24 15:33:58 -04:00
Bob Peterson
c360abbb9d gfs2: Convert function bh_get to use iomap 
Before this patch, function bh_get used block_map to figure out the
block it needed to read in from the quota_change file. This patch
changes it to use iomap directly to make it more efficient.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2022-05-24 21:29:14 +02:00
Bob Peterson
5fcff61eea gfs2: use i_lock spin_lock for inode qadata 
Before this patch, functions gfs2_qa_get and _put used the i_rw_mutex to
prevent simultaneous access to its i_qadata. But i_rw_mutex is now used
for many other things, including iomap_begin and end, which causes a
conflict according to lockdep. We cannot just remove the lock since
simultaneous opens (gfs2_open -> gfs2_open_common -> gfs2_qa_get) can
then stomp on each others values for i_qadata.

This patch solves the conflict by using the i_lock spin_lock in the inode
to prevent simultaneous access.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2022-05-24 21:29:14 +02:00
Andrew Price
f4a47561fc gfs2: Return more useful errors from gfs2_rgrp_send_discards() 
The bug that 27ca8273f ("gfs2: Make sure FITRIM minlen is rounded up to
fs block size") fixes was a little confusing as the user saw
"Input/output error" which masked the -EINVAL that sb_issue_discard()
returned.

sb_issue_discard() can fail for various reasons, so we should return its
return value from gfs2_rgrp_send_discards() to avoid all errors being
reported as IO errors.

This improves error reporting for FITRIM and makes no difference to the
-o discard code path because the return value from
gfs2_rgrp_send_discards() gets thrown away in that case (and the option
switches off). Presumably that's why it was ok to just return -EIO in
the past, before FITRIM was implemented.

Tested with xfstests.

Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2022-05-24 21:29:14 +02:00
Kees Cook
11d8b79e84 gfs2: Use container_of() for gfs2_glock(aspace) 
Clang's structure layout randomization feature gets upset when it sees
struct address_space (which is randomized) cast to struct gfs2_glock.
This is due to seeing the mapping pointer as being treated as an array
of gfs2_glock, rather than "something else, before struct address_space":

In file included from fs/gfs2/acl.c:23:
fs/gfs2/meta_io.h:44:12: error: casting from randomized structure pointer type 'struct address_space *' to 'struct gfs2_glock *'
	return (((struct gfs2_glock *)mapping) - 1)->gl_name.ln_sbd;
		^

Replace the instances of open-coded pointer math with container_of()
usage, and update the allocator to match.

Some cleanups and conversion of gfs2_glock_get() and
gfs2_glock_dealloc() by Andreas.

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/lkml/202205041550.naKxwCBj-lkp@intel.com
Cc: Bob Peterson <rpeterso@redhat.com>
Cc: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Bill Wendling <morbo@google.com>
Cc: cluster-devel@redhat.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2022-05-24 21:29:14 +02:00