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a0433f8cae
1187980 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
a0433f8cae |
for-6.5/block-2023-06-23
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Merge tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- NVMe pull request via Keith:
- Various cleanups all around (Irvin, Chaitanya, Christophe)
- Better struct packing (Christophe JAILLET)
- Reduce controller error logs for optional commands (Keith)
- Support for >=64KiB block sizes (Daniel Gomez)
- Fabrics fixes and code organization (Max, Chaitanya, Daniel
Wagner)
- bcache updates via Coly:
- Fix a race at init time (Mingzhe Zou)
- Misc fixes and cleanups (Andrea, Thomas, Zheng, Ye)
- use page pinning in the block layer for dio (David)
- convert old block dio code to page pinning (David, Christoph)
- cleanups for pktcdvd (Andy)
- cleanups for rnbd (Guoqing)
- use the unchecked __bio_add_page() for the initial single page
additions (Johannes)
- fix overflows in the Amiga partition handling code (Michael)
- improve mq-deadline zoned device support (Bart)
- keep passthrough requests out of the IO schedulers (Christoph, Ming)
- improve support for flush requests, making them less special to deal
with (Christoph)
- add bdev holder ops and shutdown methods (Christoph)
- fix the name_to_dev_t() situation and use cases (Christoph)
- decouple the block open flags from fmode_t (Christoph)
- ublk updates and cleanups, including adding user copy support (Ming)
- BFQ sanity checking (Bart)
- convert brd from radix to xarray (Pankaj)
- constify various structures (Thomas, Ivan)
- more fine grained persistent reservation ioctl capability checks
(Jingbo)
- misc fixes and cleanups (Arnd, Azeem, Demi, Ed, Hengqi, Hou, Jan,
Jordy, Li, Min, Yu, Zhong, Waiman)
* tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux: (266 commits)
scsi/sg: don't grab scsi host module reference
ext4: Fix warning in blkdev_put()
block: don't return -EINVAL for not found names in devt_from_devname
cdrom: Fix spectre-v1 gadget
block: Improve kernel-doc headers
blk-mq: don't insert passthrough request into sw queue
bsg: make bsg_class a static const structure
ublk: make ublk_chr_class a static const structure
aoe: make aoe_class a static const structure
block/rnbd: make all 'class' structures const
block: fix the exclusive open mask in disk_scan_partitions
block: add overflow checks for Amiga partition support
block: change all __u32 annotations to __be32 in affs_hardblocks.h
block: fix signed int overflow in Amiga partition support
block: add capacity validation in bdev_add_partition()
block: fine-granular CAP_SYS_ADMIN for Persistent Reservation
block: disallow Persistent Reservation on partitions
reiserfs: fix blkdev_put() warning from release_journal_dev()
block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()
block: document the holder argument to blkdev_get_by_path
...
|
||
|
Linus Torvalds
|
0aa69d53ac |
for-6.5/io_uring-2023-06-23
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Merge tag 'for-6.5/io_uring-2023-06-23' of git://git.kernel.dk/linux
Pull io_uring updates from Jens Axboe:
"Nothing major in this release, just a bunch of cleanups and some
optimizations around networking mostly.
- clean up file request flags handling (Christoph)
- clean up request freeing and CQ locking (Pavel)
- support for using pre-registering the io_uring fd at setup time
(Josh)
- Add support for user allocated ring memory, rather than having the
kernel allocate it. Mostly for packing rings into a huge page (me)
- avoid an unnecessary double retry on receive (me)
- maintain ordering for task_work, which also improves performance
(me)
- misc cleanups/fixes (Pavel, me)"
* tag 'for-6.5/io_uring-2023-06-23' of git://git.kernel.dk/linux: (39 commits)
io_uring: merge conditional unlock flush helpers
io_uring: make io_cq_unlock_post static
io_uring: inline __io_cq_unlock
io_uring: fix acquire/release annotations
io_uring: kill io_cq_unlock()
io_uring: remove IOU_F_TWQ_FORCE_NORMAL
io_uring: don't batch task put on reqs free
io_uring: move io_clean_op()
io_uring: inline io_dismantle_req()
io_uring: remove io_free_req_tw
io_uring: open code io_put_req_find_next
io_uring: add helpers to decode the fixed file file_ptr
io_uring: use io_file_from_index in io_msg_grab_file
io_uring: use io_file_from_index in __io_sync_cancel
io_uring: return REQ_F_ flags from io_file_get_flags
io_uring: remove io_req_ffs_set
io_uring: remove a confusing comment above io_file_get_flags
io_uring: remove the mode variable in io_file_get_flags
io_uring: remove __io_file_supports_nowait
io_uring: wait interruptibly for request completions on exit
...
|
||
|
Linus Torvalds
|
3eccc0c886 |
for-6.5/splice-2023-06-23
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Merge tag 'for-6.5/splice-2023-06-23' of git://git.kernel.dk/linux
Pull splice updates from Jens Axboe:
"This kills off ITER_PIPE to avoid a race between truncate,
iov_iter_revert() on the pipe and an as-yet incomplete DMA to a bio
with unpinned/unref'ed pages from an O_DIRECT splice read. This causes
memory corruption.
Instead, we either use (a) filemap_splice_read(), which invokes the
buffered file reading code and splices from the pagecache into the
pipe; (b) copy_splice_read(), which bulk-allocates a buffer, reads
into it and then pushes the filled pages into the pipe; or (c) handle
it in filesystem-specific code.
Summary:
- Rename direct_splice_read() to copy_splice_read()
- Simplify the calculations for the number of pages to be reclaimed
in copy_splice_read()
- Turn do_splice_to() into a helper, vfs_splice_read(), so that it
can be used by overlayfs and coda to perform the checks on the
lower fs
- Make vfs_splice_read() jump to copy_splice_read() to handle
direct-I/O and DAX
- Provide shmem with its own splice_read to handle non-existent pages
in the pagecache. We don't want a ->read_folio() as we don't want
to populate holes, but filemap_get_pages() requires it
- Provide overlayfs with its own splice_read to call down to a lower
layer as overlayfs doesn't provide ->read_folio()
- Provide coda with its own splice_read to call down to a lower layer
as coda doesn't provide ->read_folio()
- Direct ->splice_read to copy_splice_read() in tty, procfs, kernfs
and random files as they just copy to the output buffer and don't
splice pages
- Provide wrappers for afs, ceph, ecryptfs, ext4, f2fs, nfs, ntfs3,
ocfs2, orangefs, xfs and zonefs to do locking and/or revalidation
- Make cifs use filemap_splice_read()
- Replace pointers to generic_file_splice_read() with pointers to
filemap_splice_read() as DIO and DAX are handled in the caller;
filesystems can still provide their own alternate ->splice_read()
op
- Remove generic_file_splice_read()
- Remove ITER_PIPE and its paraphernalia as generic_file_splice_read
was the only user"
* tag 'for-6.5/splice-2023-06-23' of git://git.kernel.dk/linux: (31 commits)
splice: kdoc for filemap_splice_read() and copy_splice_read()
iov_iter: Kill ITER_PIPE
splice: Remove generic_file_splice_read()
splice: Use filemap_splice_read() instead of generic_file_splice_read()
cifs: Use filemap_splice_read()
trace: Convert trace/seq to use copy_splice_read()
zonefs: Provide a splice-read wrapper
xfs: Provide a splice-read wrapper
orangefs: Provide a splice-read wrapper
ocfs2: Provide a splice-read wrapper
ntfs3: Provide a splice-read wrapper
nfs: Provide a splice-read wrapper
f2fs: Provide a splice-read wrapper
ext4: Provide a splice-read wrapper
ecryptfs: Provide a splice-read wrapper
ceph: Provide a splice-read wrapper
afs: Provide a splice-read wrapper
9p: Add splice_read wrapper
net: Make sock_splice_read() use copy_splice_read() by default
tty, proc, kernfs, random: Use copy_splice_read()
...
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||
|
Linus Torvalds
|
cc423f6337 |
for-6.5-tag
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Merge tag 'for-6.5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"Mainly core changes, refactoring and optimizations.
Performance is improved in some areas, overall there may be a
cumulative improvement due to refactoring that removed lookups in the
IO path or simplified IO submission tracking.
Core:
- submit IO synchronously for fast checksums (crc32c and xxhash),
remove high priority worker kthread
- read extent buffer in one go, simplify IO tracking, bio submission
and locking
- remove additional tracking of redirtied extent buffers, originally
added for zoned mode but actually not needed
- track ordered extent pointer in bio to avoid rbtree lookups during
IO
- scrub, use recovered data stripes as cache to avoid unnecessary
read
- in zoned mode, optimize logical to physical mappings of extents
- remove PageError handling, not set by VFS nor writeback
- cleanups, refactoring, better structure packing
- lots of error handling improvements
- more assertions, lockdep annotations
- print assertion failure with the exact line where it happens
- tracepoint updates
- more debugging prints
Performance:
- speedup in fsync(), better tracking of inode logged status can
avoid transaction commit
- IO path structures track logical offsets in data structures and
does not need to look it up
User visible changes:
- don't commit transaction for every created subvolume, this can
reduce time when many subvolumes are created in a batch
- print affected files when relocation fails
- trigger orphan file cleanup during START_SYNC ioctl
Notable fixes:
- fix crash when disabling quota and relocation
- fix crashes when removing roots from drity list
- fix transacion abort during relocation when converting from newer
profiles not covered by fallback
- in zoned mode, stop reclaiming block groups if filesystem becomes
read-only
- fix rare race condition in tree mod log rewind that can miss some
btree node slots
- with enabled fsverity, drop up-to-date page bit in case the
verification fails"
* tag 'for-6.5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (194 commits)
btrfs: fix race between quota disable and relocation
btrfs: add comment to struct btrfs_fs_info::dirty_cowonly_roots
btrfs: fix race when deleting free space root from the dirty cow roots list
btrfs: fix race when deleting quota root from the dirty cow roots list
btrfs: tracepoints: also show actual number of the outstanding extents
btrfs: update i_version in update_dev_time
btrfs: make btrfs_compressed_bioset static
btrfs: add handling for RAID1C23/DUP to btrfs_reduce_alloc_profile
btrfs: scrub: remove btrfs_fs_info::scrub_wr_completion_workers
btrfs: scrub: remove scrub_ctx::csum_list member
btrfs: do not BUG_ON after failure to migrate space during truncation
btrfs: do not BUG_ON on failure to get dir index for new snapshot
btrfs: send: do not BUG_ON() on unexpected symlink data extent
btrfs: do not BUG_ON() when dropping inode items from log root
btrfs: replace BUG_ON() at split_item() with proper error handling
btrfs: do not BUG_ON() on tree mod log failures at btrfs_del_ptr()
btrfs: do not BUG_ON() on tree mod log failures at insert_ptr()
btrfs: do not BUG_ON() on tree mod log failure at insert_new_root()
btrfs: do not BUG_ON() on tree mod log failures at push_nodes_for_insert()
btrfs: abort transaction at update_ref_for_cow() when ref count is zero
...
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||
|
Linus Torvalds
|
e940efa936 |
zonefs changes for 6.5
- Modify the synchronous direct write path to use iomap instead of
manually coding issuing zone append write BIOs, from me.
- Use the FMODE_CAN_ODIRECT file flag to indicate support from direct
IO instead of using the old way with noop direct_io methods, from
Christoph.
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Merge tag 'zonefs-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
Pull zonefs updates from Damien Le Moal:
- Modify the synchronous direct write path to use iomap instead of
manually coding issuing zone append write BIOs (me)
- Use the FMODE_CAN_ODIRECT file flag to indicate support from direct
IO instead of using the old way with noop direct_io methods
(Christoph)
* tag 'zonefs-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
zonefs: set FMODE_CAN_ODIRECT instead of a dummy direct_IO method
zonefs: use iomap for synchronous direct writes
|
||
|
Linus Torvalds
|
098c5dd9cf |
Changes since last update:
- Fix rare I/O hang on deduplicated compressed images due to loop
hooked chains;
- Fix compact compression layout of 16k blocks on arm64 devices;
- Fix atomic context detection of async decompression;
- Decompression/Xattr code cleanups.
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Merge tag 'erofs-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"No outstanding new feature for this cycle.
Most of these commits are decompression cleanups which are part of the
ongoing development for subpage/folio compression support as well as
xattr cleanups for the upcoming xattr bloom filter optimization [1].
In addition, there are bugfixes to address some corner cases of
compressed images due to global data de-duplication and arm64 16k
pages.
Summary:
- Fix rare I/O hang on deduplicated compressed images due to loop
hooked chains
- Fix compact compression layout of 16k blocks on arm64 devices
- Fix atomic context detection of async decompression
- Decompression/Xattr code cleanups"
Link: https://lore.kernel.org/r/20230621083209.116024-1-jefflexu@linux.alibaba.com [1]
* tag 'erofs-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: clean up zmap.c
erofs: remove unnecessary goto
erofs: Fix detection of atomic context
erofs: use separate xattr parsers for listxattr/getxattr
erofs: unify inline/shared xattr iterators for listxattr/getxattr
erofs: make the size of read data stored in buffer_ofs
erofs: unify xattr_iter structures
erofs: use absolute position in xattr iterator
erofs: fix compact 4B support for 16k block size
erofs: convert erofs_read_metabuf() to erofs_bread() for xattr
erofs: use poison pointer to replace the hard-coded address
erofs: use struct lockref to replace handcrafted approach
erofs: adapt managed inode operations into folios
erofs: kill hooked chains to avoid loops on deduplicated compressed images
erofs: avoid on-stack pagepool directly passed by arguments
erofs: allocate extra bvec pages directly instead of retrying
erofs: clean up z_erofs_pcluster_readmore()
erofs: remove the member readahead from struct z_erofs_decompress_frontend
erofs: fold in z_erofs_decompress()
|
||
|
Linus Torvalds
|
74774e243c |
fsverity updates for 6.5
Several updates for fs/verity/:
- Do all hashing with the shash API instead of with the ahash API. This
simplifies the code and reduces API overhead. It should also make
things slightly easier for XFS's upcoming support for fsverity. It
does drop fsverity's support for off-CPU hash accelerators, but that
support was incomplete and not known to be used.
- Update and export fsverity_get_digest() so that it's ready for
overlayfs's upcoming support for fsverity checking of lowerdata.
- Improve the documentation for builtin signature support.
- Fix a bug in the large folio support.
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux
Pull fsverity updates from Eric Biggers:
"Several updates for fs/verity/:
- Do all hashing with the shash API instead of with the ahash API.
This simplifies the code and reduces API overhead. It should also
make things slightly easier for XFS's upcoming support for
fsverity. It does drop fsverity's support for off-CPU hash
accelerators, but that support was incomplete and not known to be
used
- Update and export fsverity_get_digest() so that it's ready for
overlayfs's upcoming support for fsverity checking of lowerdata
- Improve the documentation for builtin signature support
- Fix a bug in the large folio support"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux:
fsverity: improve documentation for builtin signature support
fsverity: rework fsverity_get_digest() again
fsverity: simplify error handling in verify_data_block()
fsverity: don't use bio_first_page_all() in fsverity_verify_bio()
fsverity: constify fsverity_hash_alg
fsverity: use shash API instead of ahash API
|
||
|
Linus Torvalds
|
4d483ab702 |
fscrypt updates for 6.5
Just one flex array conversion patch. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCZJjnMhQcZWJpZ2dlcnNA Z29vZ2xlLmNvbQAKCRDzXCl4vpKOK5UTAP97F43BucDp2X1Yq27phZBGGNMuZBDV 0wFxpW7IDC1WHQD+N9HQmxv+euDHD0elSf/fHWcsLuvApJA/6NTY8YDuugo= =Oy2c -----END PGP SIGNATURE----- Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux Pull fscrypt update from Eric Biggers: "Just one flex array conversion patch" * tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux: fscrypt: Replace 1-element array with flexible array |
||
|
Linus Torvalds
|
f7976a6493 |
NFSD 6.5 Release Notes
Fixes and clean-ups include: - Clean-ups in the READ path in anticipation of MSG_SPLICE_PAGES - Better NUMA awareness when allocating pages and other objects - A number of minor clean-ups to XDR encoding - Elimination of a race when accepting a TCP socket - Numerous observability enhancements -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmSVpEQACgkQM2qzM29m f5flNQ/+N+GKwJWKkDDK9l0/OJWLSOV1DaUKs04FW79Xa05bqB9W3mnkQ2QzXmBq 9BUUeAnn0bD+yDgsBd4+l5HMjK91Qm+e+ljE4Gn+hA2Kg5VsBPbNImXQTuAdC/mw 2YWNqaQ6EjHWmzauAOiKqKwDsYefZaiS3+1CEuOlmXeDK979yU7zXHUbFvLjmNiP 5ATDrxfIsQza+Je0sh3JGeJtFZCt127zOd6vEQCiedbC8yy7n1ldWi/OGWPsg/2H z/QWbs9Iw8ExESosBKfX6M13izJV9eZ69ZfvxmLFGcfZmHoOCOtIXzDDqmD6JsPY l4SBtWkP+OB4jePM1nEpFU65EQrGtRK/roGGXNtCTaZAcDBk2/jJ9b5gejkSDsaU B3alN0UwECeEzQ3whYYAGy4m1FPaQcFfxl1RydcvYEfRiuiYxZb/3EO62dDavv14 WTYUGHNxso48DGngyO2xRBIda0Kwqc4vgkzOww6SP+Eok/22q/CsKHiuzRgnrLq6 GYdRX0Zmvl/0lzuBsDOzpOIQg2DuGdc84fjUCxqQu0DBSkehWo4i2eGNHQuHbMUb Tl58/tYiFazVOX1aAKabzKm2iaCjKdLySDhTj+dSgTXKx6SqZl1cXvhFl9xImgYj uW9i+ALZO9PNvtpMIvGaHqQK6xyI9F6isgKyNpXwy9J5D6ck7GA= =1EQc -----END PGP SIGNATURE----- Merge tag 'nfsd-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: - Clean-ups in the READ path in anticipation of MSG_SPLICE_PAGES - Better NUMA awareness when allocating pages and other objects - A number of minor clean-ups to XDR encoding - Elimination of a race when accepting a TCP socket - Numerous observability enhancements * tag 'nfsd-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (46 commits) nfsd: remove redundant assignments to variable len svcrdma: Fix stale comment NFSD: Distinguish per-net namespace initialization nfsd: move init of percpu reply_cache_stats counters back to nfsd_init_net SUNRPC: Address RCU warning in net/sunrpc/svc.c SUNRPC: Use sysfs_emit in place of strlcpy/sprintf SUNRPC: Remove transport class dprintk call sites SUNRPC: Fix comments for transport class registration svcrdma: Remove an unused argument from __svc_rdma_put_rw_ctxt() svcrdma: trace cc_release calls svcrdma: Convert "might sleep" comment into a code annotation NFSD: Add an nfsd4_encode_nfstime4() helper SUNRPC: Move initialization of rq_stime SUNRPC: Optimize page release in svc_rdma_sendto() svcrdma: Prevent page release when nothing was received svcrdma: Revert |
||
|
Linus Torvalds
|
c0a572d9d3 |
v6.5/vfs.mount
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Merge tag 'v6.5/vfs.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount updates from Christian Brauner:
"This contains the work to extend move_mount() to allow adding a mount
beneath the topmost mount of a mount stack.
There are two LWN articles about this. One covers the original patch
series in [1]. The other in [2] summarizes the session and roughly the
discussion between Al and me at LSFMM. The second article also goes
into some good questions from attendees.
Since all details are found in the relevant commit with a technical
dive into semantics and locking at the end I'm only adding the
motivation and core functionality for this from commit message and
leave out the invasive details. The code is also heavily commented and
annotated as well which was explicitly requested.
TL;DR:
> mount -t ext4 /dev/sda /mnt
|
└─/mnt /dev/sda ext4
> mount --beneath -t xfs /dev/sdb /mnt
|
└─/mnt /dev/sdb xfs
└─/mnt /dev/sda ext4
> umount /mnt
|
└─/mnt /dev/sdb xfs
The longer motivation is that various distributions are adding or are
in the process of adding support for system extensions and in the
future configuration extensions through various tools. A more detailed
explanation on system and configuration extensions can be found on the
manpage which is listed below at [3].
System extension images may – dynamically at runtime — extend the
/usr/ and /opt/ directory hierarchies with additional files. This is
particularly useful on immutable system images where a /usr/ and/or
/opt/ hierarchy residing on a read-only file system shall be extended
temporarily at runtime without making any persistent modifications.
When one or more system extension images are activated, their /usr/
and /opt/ hierarchies are combined via overlayfs with the same
hierarchies of the host OS, and the host /usr/ and /opt/ overmounted
with it ("merging"). When they are deactivated, the mount point is
disassembled — again revealing the unmodified original host version of
the hierarchy ("unmerging"). Merging thus makes the extension's
resources suddenly appear below the /usr/ and /opt/ hierarchies as if
they were included in the base OS image itself. Unmerging makes them
disappear again, leaving in place only the files that were shipped
with the base OS image itself.
System configuration images are similar but operate on directories
containing system or service configuration.
On nearly all modern distributions mount propagation plays a crucial
role and the rootfs of the OS is a shared mount in a peer group
(usually with peer group id 1):
TARGET SOURCE FSTYPE PROPAGATION MNT_ID PARENT_ID
/ / ext4 shared:1 29 1
On such systems all services and containers run in a separate mount
namespace and are pivot_root()ed into their rootfs. A separate mount
namespace is almost always used as it is the minimal isolation
mechanism services have. But usually they are even much more isolated
up to the point where they almost become indistinguishable from
containers.
Mount propagation again plays a crucial role here. The rootfs of all
these services is a slave mount to the peer group of the host rootfs.
This is done so the service will receive mount propagation events from
the host when certain files or directories are updated.
In addition, the rootfs of each service, container, and sandbox is
also a shared mount in its separate peer group:
TARGET SOURCE FSTYPE PROPAGATION MNT_ID PARENT_ID
/ / ext4 shared:24 master:1 71 47
For people not too familiar with mount propagation, the master:1 means
that this is a slave mount to peer group 1. Which as one can see is
the host rootfs as indicated by shared:1 above. The shared:24
indicates that the service rootfs is a shared mount in a separate peer
group with peer group id 24.
A service may run other services. Such nested services will also have
a rootfs mount that is a slave to the peer group of the outer service
rootfs mount.
For containers things are just slighly different. A container's rootfs
isn't a slave to the service's or host rootfs' peer group. The rootfs
mount of a container is simply a shared mount in its own peer group:
TARGET SOURCE FSTYPE PROPAGATION MNT_ID PARENT_ID
/home/ubuntu/debian-tree / ext4 shared:99 61 60
So whereas services are isolated OS components a container is treated
like a separate world and mount propagation into it is restricted to a
single well known mount that is a slave to the peer group of the
shared mount /run on the host:
TARGET SOURCE FSTYPE PROPAGATION MNT_ID PARENT_ID
/propagate/debian-tree /run/host/incoming tmpfs master:5 71 68
Here, the master:5 indicates that this mount is a slave to the peer
group with peer group id 5. This allows to propagate mounts into the
container and served as a workaround for not being able to insert
mounts into mount namespaces directly. But the new mount api does
support inserting mounts directly. For the interested reader the
blogpost in [4] might be worth reading where I explain the old and the
new approach to inserting mounts into mount namespaces.
Containers of course, can themselves be run as services. They often
run full systems themselves which means they again run services and
containers with the exact same propagation settings explained above.
The whole system is designed so that it can be easily updated,
including all services in various fine-grained ways without having to
enter every single service's mount namespace which would be
prohibitively expensive. The mount propagation layout has been
carefully chosen so it is possible to propagate updates for system
extensions and configurations from the host into all services.
The simplest model to update the whole system is to mount on top of
/usr, /opt, or /etc on the host. The new mount on /usr, /opt, or /etc
will then propagate into every service. This works cleanly the first
time. However, when the system is updated multiple times it becomes
necessary to unmount the first update on /opt, /usr, /etc and then
propagate the new update. But this means, there's an interval where
the old base system is accessible. This has to be avoided to protect
against downgrade attacks.
The vfs already exposes a mechanism to userspace whereby mounts can be
mounted beneath an existing mount. Such mounts are internally referred
to as "tucked". The patch series exposes the ability to mount beneath
a top mount through the new MOVE_MOUNT_BENEATH flag for the
move_mount() system call. This allows userspace to seamlessly upgrade
mounts. After this series the only thing that will have changed is
that mounting beneath an existing mount can be done explicitly instead
of just implicitly.
The crux is that the proposed mechanism already exists and that it is
so powerful as to cover cases where mounts are supposed to be updated
with new versions. Crucially, it offers an important flexibility.
Namely that updates to a system may either be forced or can be delayed
and the umount of the top mount be left to a service if it is a
cooperative one"
Link: https://lwn.net/Articles/927491 [1]
Link: https://lwn.net/Articles/934094 [2]
Link: https://man7.org/linux/man-pages/man8/systemd-sysext.8.html [3]
Link: https://brauner.io/2023/02/28/mounting-into-mount-namespaces.html [4]
Link: https://github.com/flatcar/sysext-bakery
Link: https://fedoraproject.org/wiki/Changes/Unified_Kernel_Support_Phase_1
Link: https://fedoraproject.org/wiki/Changes/Unified_Kernel_Support_Phase_2
Link: https://github.com/systemd/systemd/pull/26013
* tag 'v6.5/vfs.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs: allow to mount beneath top mount
fs: use a for loop when locking a mount
fs: properly document __lookup_mnt()
fs: add path_mounted()
|
||
|
Linus Torvalds
|
1f2300a738 |
v6.5/vfs.file
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Merge tag 'v6.5/vfs.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs file handling updates from Christian Brauner:
"This contains Amir's work to fix a long-standing problem where an
unprivileged overlayfs mount can be used to avoid fanotify permission
events that were requested for an inode or superblock on the
underlying filesystem.
Some background about files opened in overlayfs. If a file is opened
in overlayfs @file->f_path will refer to a "fake" path. What this
means is that while @file->f_inode will refer to inode of the
underlying layer, @file->f_path refers to an overlayfs
{dentry,vfsmount} pair. The reasons for doing this are out of scope
here but it is the reason why the vfs has been providing the
open_with_fake_path() helper for overlayfs for very long time now. So
nothing new here.
This is for sure not very elegant and everyone including the overlayfs
maintainers agree. Improving this significantly would involve more
fragile and potentially rather invasive changes.
In various codepaths access to the path of the underlying filesystem
is needed for such hybrid file. The best example is fsnotify where
this becomes security relevant. Passing the overlayfs
@file->f_path->dentry will cause fsnotify to skip generating fsnotify
events registered on the underlying inode or superblock.
To fix this we extend the vfs provided open_with_fake_path() concept
for overlayfs to create a backing file container that holds the real
path and to expose a helper that can be used by relevant callers to
get access to the path of the underlying filesystem through the new
file_real_path() helper. This pattern is similar to what we do in
d_real() and d_real_inode().
The first beneficiary is fsnotify and fixes the security sensitive
problem mentioned above.
There's a couple of nice cleanups included as well.
Over time, the old open_with_fake_path() helper added specifically for
overlayfs a long time ago started to get used in other places such as
cachefiles. Even though cachefiles have nothing to do with hybrid
files.
The only reason cachefiles used that concept was that files opened
with open_with_fake_path() aren't charged against the caller's open
file limit by raising FMODE_NOACCOUNT. It's just mere coincidence that
both overlayfs and cachefiles need to ensure to not overcharge the
caller for their internal open calls.
So this work disentangles FMODE_NOACCOUNT use cases and backing file
use-cases by adding the FMODE_BACKING flag which indicates that the
file can be used to retrieve the backing file of another filesystem.
(Fyi, Jens will be sending you a really nice cleanup from Christoph
that gets rid of 3 FMODE_* flags otherwise this would be the last
fmode_t bit we'd be using.)
So now overlayfs becomes the sole user of the renamed
open_with_fake_path() helper which is now named backing_file_open().
For internal kernel users such as cachefiles that are only interested
in FMODE_NOACCOUNT but not in FMODE_BACKING we add a new
kernel_file_open() helper which opens a file without being charged
against the caller's open file limit. All new helpers are properly
documented and clearly annotated to mention their special uses.
We also rename vfs_tmpfile_open() to kernel_tmpfile_open() to clearly
distinguish it from vfs_tmpfile() and align it the other kernel_*()
internal helpers"
* tag 'v6.5/vfs.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
ovl: enable fsnotify events on underlying real files
fs: use backing_file container for internal files with "fake" f_path
fs: move kmem_cache_zalloc() into alloc_empty_file*() helpers
fs: use a helper for opening kernel internal files
fs: rename {vfs,kernel}_tmpfile_open()
|
||
|
Linus Torvalds
|
2eedfa9e27 |
v6.5/vfs.rename.locking
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZJU4NwAKCRCRxhvAZXjc ordqAP0RmZEkUA5p98pK+0FEFIsS2S8qChh6YHQHP+hF606FGgEAivb3UPRm9p58 kRb5yK0/oXDUxGv7A+x+SIMVbcRyLgw= =pi6N -----END PGP SIGNATURE----- Merge tag 'v6.5/vfs.rename.locking' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs rename locking updates from Christian Brauner: "This contains the work from Jan to fix problems with cross-directory renames originally reported in [1]. To quickly sum it up some filesystems (so far we know at least about ext4, udf, f2fs, ocfs2, likely also reiserfs, gfs2 and others) need to lock the directory when it is being renamed into another directory. This is because we need to update the parent pointer in the directory in that case and if that races with other operations on the directory, in particular a conversion from one directory format into another, bad things can happen. So far we've done the locking in the filesystem code but recently Darrick pointed out in [2] that the RENAME_EXCHANGE case was missing. That one is particularly nasty because RENAME_EXCHANGE can arbitrarily mix regular files and directories and proper lock ordering is not achievable in the filesystems alone. This patch set adds locking into vfs_rename() so that not only parent directories but also moved inodes, regardless of whether they are directories or not, are locked when calling into the filesystem. This means establishing a locking order for unrelated directories. New helpers are added for this purpose and our documentation is updated to cover this in detail. The locking is now actually easier to follow as we now always lock source and target. We've always locked the target independent of whether it was a directory or file and we've always locked source if it was a regular file. The exact details for why this came about can be found in [3] and [4]" Link: https://lore.kernel.org/all/20230117123735.un7wbamlbdihninm@quack3 [1] Link: https://lore.kernel.org/all/20230517045836.GA11594@frogsfrogsfrogs [2] Link: https://lore.kernel.org/all/20230526-schrebergarten-vortag-9cd89694517e@brauner [3] Link: https://lore.kernel.org/all/20230530-seenotrettung-allrad-44f4b00139d4@brauner [4] * tag 'v6.5/vfs.rename.locking' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: fs: Restrict lock_two_nondirectories() to non-directory inodes fs: Lock moved directories fs: Establish locking order for unrelated directories Revert "f2fs: fix potential corruption when moving a directory" Revert "udf: Protect rename against modification of moved directory" ext4: Remove ext4 locking of moved directory |
||
|
Linus Torvalds
|
64bf6ae93e |
v6.5/vfs.misc
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Merge tag 'v6.5/vfs.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"Miscellaneous features, cleanups, and fixes for vfs and individual fs
Features:
- Use mode 0600 for file created by cachefilesd so it can be run by
unprivileged users. This aligns them with directories which are
already created with mode 0700 by cachefilesd
- Reorder a few members in struct file to prevent some false sharing
scenarios
- Indicate that an eventfd is used a semaphore in the eventfd's
fdinfo procfs file
- Add a missing uapi header for eventfd exposing relevant uapi
defines
- Let the VFS protect transitions of a superblock from read-only to
read-write in addition to the protection it already provides for
transitions from read-write to read-only. Protecting read-only to
read-write transitions allows filesystems such as ext4 to perform
internal writes, keeping writers away until the transition is
completed
Cleanups:
- Arnd removed the architecture specific arch_report_meminfo()
prototypes and added a generic one into procfs.h. Note, we got a
report about a warning in amdpgpu codepaths that suggested this was
bisectable to this change but we concluded it was a false positive
- Remove unused parameters from split_fs_names()
- Rename put_and_unmap_page() to unmap_and_put_page() to let the name
reflect the order of the cleanup operation that has to unmap before
the actual put
- Unexport buffer_check_dirty_writeback() as it is not used outside
of block device aops
- Stop allocating aio rings from highmem
- Protecting read-{only,write} transitions in the VFS used open-coded
barriers in various places. Replace them with proper little helpers
and document both the helpers and all barrier interactions involved
when transitioning between read-{only,write} states
- Use flexible array members in old readdir codepaths
Fixes:
- Use the correct type __poll_t for epoll and eventfd
- Replace all deprecated strlcpy() invocations, whose return value
isn't checked with an equivalent strscpy() call
- Fix some kernel-doc warnings in fs/open.c
- Reduce the stack usage in jffs2's xattr codepaths finally getting
rid of this: fs/jffs2/xattr.c:887:1: error: the frame size of 1088
bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
royally annoying compilation warning
- Use __FMODE_NONOTIFY instead of FMODE_NONOTIFY where an int and not
fmode_t is required to avoid fmode_t to integer degradation
warnings
- Create coredumps with O_WRONLY instead of O_RDWR. There's a long
explanation in that commit how O_RDWR is actually a bug which we
found out with the help of Linus and git archeology
- Fix "no previous prototype" warnings in the pipe codepaths
- Add overflow calculations for remap_verify_area() as a signed
addition overflow could be triggered in xfstests
- Fix a null pointer dereference in sysv
- Use an unsigned variable for length calculations in jfs avoiding
compilation warnings with gcc 13
- Fix a dangling pipe pointer in the watch queue codepath
- The legacy mount option parser provided as a fallback by the VFS
for filesystems not yet converted to the new mount api did prefix
the generated mount option string with a leading ',' causing issues
for some filesystems
- Fix a repeated word in a comment in fs.h
- autofs: Update the ctime when mtime is updated as mandated by
POSIX"
* tag 'v6.5/vfs.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (27 commits)
readdir: Replace one-element arrays with flexible-array members
fs: Provide helpers for manipulating sb->s_readonly_remount
fs: Protect reconfiguration of sb read-write from racing writes
eventfd: add a uapi header for eventfd userspace APIs
autofs: set ctime as well when mtime changes on a dir
eventfd: show the EFD_SEMAPHORE flag in fdinfo
fs/aio: Stop allocating aio rings from HIGHMEM
fs: Fix comment typo
fs: unexport buffer_check_dirty_writeback
fs: avoid empty option when generating legacy mount string
watch_queue: prevent dangling pipe pointer
fs.h: Optimize file struct to prevent false sharing
highmem: Rename put_and_unmap_page() to unmap_and_put_page()
cachefiles: Allow the cache to be non-root
init: remove unused names parameter in split_fs_names()
jfs: Use unsigned variable for length calculations
fs/sysv: Null check to prevent null-ptr-deref bug
fs: use UB-safe check for signed addition overflow in remap_verify_area
procfs: consolidate arch_report_meminfo declaration
fs: pipe: reveal missing function protoypes
...
|
||
|
Linus Torvalds
|
5c1c88cddb |
v6.5/fs.ntfs
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZJU4DAAKCRCRxhvAZXjc oi8dAP9Rxv13trPMEFB1aJ3YHIMYRKSlG81vNJo+5ur43RFc4gD+NJBBYSb7bMYu V8uIKnyFfMtLtHZA9M00Xqipq/sLDA4= =C0YR -----END PGP SIGNATURE----- Merge tag 'v6.5/fs.ntfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull ntfs updates from Christian Brauner: "A pile of various smaller fixes for ntfs" * tag 'v6.5/fs.ntfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: ntfs: do not dereference a null ctx on error ntfs: Remove unneeded semicolon ntfs: Correct spelling ntfs: remove redundant initialization to pointer cb_sb_start |
||
|
Linus Torvalds
|
1f268d6d2c |
auxdisplay for 6.5
A single cleanup for i2c drivers to switch them back to use '.probe()'. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPjU5OPd5QIZ9jqqOGXyLc2htIW0FAmSPMToACgkQGXyLc2ht IW0Zwg/7BKtDaCmqpsgkZvexJQvKB16NVQLoO/VMCZVSyrROxg2a3ETZuOC1ScR4 LpnZUrgZSGzYRnKhhN0uh++9wMu3hQpB8iWN19TysaeYM5xLp46MeNLTbEhepOlM YQQeiyBtigcuX3tLbA+D416iIJDrq7Oks7bdvHcBB9NKsA0LbLWqPgJ9dnnn26tL QtTRNSPQD/vrBUcFsUgjqYa7EdWqAQiGtQh3XRM3O4YcP12EiGz0GnsrFMcrgGF1 YUM3AzFEJh0Ecrk8VRoD7iSBOiKWw4oIj1wibQGnKXNk4JbnseSDXIBfm4lj4f1X DB+loXryoTLl8WReSXLEatG01Fa13Dy7IQjxZl3XPAWEkLL2U+wB8FDCw9AlC8fs axBwAmzV2FRYABFxaUSwlBVdiolKSNK+CNeA6hPegRbcoLKMQP1tKm0Zd3s9SVX7 hCrWwtxGFnFD1MJVjWaaLw8Qx7OJcbcb3/GEIfHU0EVkehm+QI5HYxoszI1OaouN fEwIP8Sck88GlEqkxhdADRg/6v0FM2FoI6bVIo+k/vKEzbcRHO7vVXYVb09mL86P +chg2uqP9sEvEN1SRKZMJeFXL+akxbilmyUOBTIN4ICLMRrIRGOV/gXGcP0gtCRN pONPVpIU0G1Emyh9WgKCoEFc7Ye5MNjw5KjvZcCZ95k8VnHijE0= =pasC -----END PGP SIGNATURE----- Merge tag 'auxdisplay-6.5' of https://github.com/ojeda/linux Pull auxdisplay update from Miguel Ojeda: "A single cleanup for i2c drivers to switch them back to use '.probe()'" * tag 'auxdisplay-6.5' of https://github.com/ojeda/linux: auxdisplay: Switch i2c drivers back to use .probe() |
||
|
Linus Torvalds
|
a1257b5e3b |
Rust changes for v6.5
A fairly small one in terms of feature additions. Most of the changes in
terms of lines come from the upgrade to the new version of the toolchain
(which in turn is big due to the vendored 'alloc' crate).
- Upgrade to Rust 1.68.2:
This is the first such upgrade, and we will try to update it often
from now on, in order to remain close to the latest release, until
a minimum version (which is "in the future") can be established.
The upgrade brings the stabilization of 4 features we used (and 2
more that we used in our old 'rust' branch).
Commit
|
||
|
Linus Torvalds
|
9d9a9bf07e |
s390 updates for 6.5
- Use correct type for size of memory allocated for ELF core header on kernel crash. - Fix insecure W+X mapping warning when KASAN shadow memory range is not aligned on page boundary. - Avoid allocation of short by one page KASAN shadow memory when the original memory range is less than (PAGE_SIZE << 3). - Fix virtual vs physical address confusion in physical memory enumerator. It is not a real issue, since virtual and physical addresses are currently the same. - Set CONFIG_NET_TC_SKB_EXT=y in s390 config files as it is required for offloading TC as well as bridges on switchdev capable ConnectX devices. -----BEGIN PGP SIGNATURE----- iI0EABYIADUWIQQrtrZiYVkVzKQcYivNdxKlNrRb8AUCZJWgRRccYWdvcmRlZXZA bGludXguaWJtLmNvbQAKCRDNdxKlNrRb8LuPAQDaL4mjPxKvleuiTeH1hf4id48X i5UZSf6mAirKwyo4WAEA0sAIvhdJlC8+MBEC1QtYkIJyoxmSg6AsMH5MJL+61wA= =mJ2Q -----END PGP SIGNATURE----- Merge tag 's390-6.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Alexander Gordeev: - Use correct type for size of memory allocated for ELF core header on kernel crash. - Fix insecure W+X mapping warning when KASAN shadow memory range is not aligned on page boundary. - Avoid allocation of short by one page KASAN shadow memory when the original memory range is less than (PAGE_SIZE << 3). - Fix virtual vs physical address confusion in physical memory enumerator. It is not a real issue, since virtual and physical addresses are currently the same. - Set CONFIG_NET_TC_SKB_EXT=y in s390 config files as it is required for offloading TC as well as bridges on switchdev capable ConnectX devices. * tag 's390-6.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/defconfigs: set CONFIG_NET_TC_SKB_EXT=y s390/boot: fix physmem_info virtual vs physical address confusion s390/kasan: avoid short by one page shadow memory s390/kasan: fix insecure W+X mapping warning s390/crash: use the correct type for memory allocation |
||
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Linus Torvalds
|
be5b52dc14 |
NIOS2 updates for v6.5
- Convert pgtable constructor/destructors to ptdesc - Replace strlcpy with strscpy -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEoHhMeiyk5VmwVMwNGZQEC4GjKPQFAmSI7XEACgkQGZQEC4Gj KPRD8BAAqRXerqCyKILCABWmB2UTZPaQmHbaek8lpt/KJku2YpHW855+SmfRoQzX rdNvUup4sc7Vf0FbKrn4a1JGv6ON0cs3GOd+ZSXUvdoVNM8X0W4xZ6oR6GgfQ3N6 zN3hQ1Cm8oyaPNeKXX0uWWjkLOlmzLQaYMnM9yVzWZPL5uBmCVewST6nvvjROWS8 76u/1gyWH6nf1z7pQeGLypxwnNKNMA+NoZkF07J5SUwJUnbIxlvp2pKJYpZSqXmO cxcScPMHaTFHpxtn5Rp3Iyv2E6caHGbehWh2/1TCoL+qeMfUX3N4T5WGUb0bNgO3 vEnisjUciQda9nKJ2WfwfL2ldV6qj+rmRAVJ7h5yBvevSgugGUERamDIWBPChyUr B3WSqy7ka1rWaMvUVsMGtdqmmucFho6oqKg2muUuUmMw0Gx3YYKIkDG2z4Le8S8p eLJHF/gLSsZsUg84NP2AG7HyJ81R1ShQsX6OwoBCFW21GGu0cXb/qa0zt4wRsez9 ubo0DVgXEAkNNcdBmoo0pdNnUJommAakPlkGy6Ecbsi1r0wffoU5tvBcOKCklN2M K0WHoX9zgml3PNlABECwijbND35tP9O5cdTBE4CNg92ZvkKKq1uy1HpytkRr6zhX Fw/68lvr7VIYO4rILTew44ZrNsBM5TddjWgjQGQBOYV4OEJVy74= =8nRX -----END PGP SIGNATURE----- Merge tag 'nios2_updates_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux Pull nios2 updates from Dinh Nguyen: - Convert pgtable constructor/destructors to ptdesc - Replace strlcpy with strscpy * tag 'nios2_updates_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux: nios2: Replace all non-returning strlcpy with strscpy nios2: Convert __pte_free_tlb() to use ptdescs |
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Linus Torvalds
|
6995e2de68 | Linux 6.4 | ||
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Linus Torvalds
|
e3b2e2c14b |
Nothing fancy. Two driver and one DT binding fix.
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||
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Linus Torvalds
|
547cc9be86 |
- Drop the __weak attribute from a function prototype as it otherwise
leads to the function getting replaced by a dummy stub - Fix the umask value setup of the frontend event as former is different on two Intel cores -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmSYChQACgkQEsHwGGHe VUq7cQ/7BSDauaiRGPvovvolPUarJ6Ezidrq0y24p92eHjqjfiZLZVR53AItTeFr 5Naib991Wy7PdqvEgBElNlWdTvhefdSXSOdII7Zo8bHRtJAFAgbIaIZN6W2qRlDO v9scHnwjIbkjIB6mOd4zn0Ttwjnk3cvArSgxhmIa5K1EY8C7LG8Npviadi6tkhxF /0Zw+K/X7mmLpnaKbvKu+hY+0IxJBnpO319xk28XxrugZLbdykjuhCiLwJ4P6QxY FbrDqMEp1PjLQQ725sJBwVYQ+bEfBGT7qt5A6gBjglFstsPsYOhyfSPfk4rh7mvK DdtW11mfLyAlKSlb6GtXWajFt2KeTclNHnrpgI7Qp11S0CyeXvl88okSjYvLNeJn PKT6fwDyhiE35hodkQGKQYqkOijTrwInIO8wsf3KbmyPLSbZINY0boNzjPp5eCZC lSNwUCPh/JiJewnmiLxbalpt/yLzQI/fII4ibBqxl7hAGwIb0KdjnZwM6tZ9AdoW M1PZtVZJr8j9N6yI7Y+Wbxj9oVoNmH5ie90lq0Di9niGpkytGoD2VSn5LIOVSZhR jmFbloTR+BUWh32e54NUKnVew2I1lkaklQK8OgECw2wRrFcNYx73tu0lOXJY1RwV zmsmQDnM56SxHFhpKcgy2c3vwKhR5HeuLd2MJtgtuB4KIje7row= =hJ0i -----END PGP SIGNATURE----- Merge tag 'perf_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Borislav Petkov: - Drop the __weak attribute from a function prototype as it otherwise leads to the function getting replaced by a dummy stub - Fix the umask value setup of the frontend event as former is different on two Intel cores * tag 'perf_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Fix the FRONTEND encoding on GNR and MTL perf/core: Drop __weak attribute from arch_perf_update_userpage() prototype |
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|
Linus Torvalds
|
300edd751b |
- Add a ORC format hash to vmlinux and modules in order for other tools
which use it, to detect changes to it and adapt accordingly -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmSYCDUACgkQEsHwGGHe VUp/mg//ed9w/x1b/pdeM8WUtQ/jSXWMwntKiJqlDLaexl8e+LKNPS20/yZjGJ6k tw+Hxwvgv0lTYVzeGowTehAsFKqbGPQCmW+RO77Fvrf6DYQmPdXr7cEiZWwYJZgr nZTYTZ97DxtGrpkRDTNYx9kqya3sbgOTma6tU+K/8l1NaLDgdl0OoNnYbGFmJEem ucaoIO36gPzkMafMmmB/SKu96OH+E2mhzVbPnmBWR/36JE/wUgGmcTtfqLCzuClO JOvHj4ylg6UQkXrJpxNqCcjLI4nzpSfYNGpIVy+bHHEmGlQ9HtmpIE60+ooYLrrZ YNJRvkHMtbrXizkZIOOkOm6ZjEgKtgiyxLKyXTgQu8sE1rNAXWQiFr6lbt2GdHrn pwZ/FXp+KKan0K28x34yHMO5B6v0TGQKS0VqafdfrYe8b/vZsscMPpKkss6I7X2O sh8OHOAydyjFG9tplxK6sspA1xM/Qeqh0lSeHvqbiBrd8cGGR6em5pGIwmEOgGmX RlvdcdQLNhXP6RDsXsNltqG2uOqPKPIqV9b3WpP616Gl2RV7wOhOT6nChXbGm//Z NZ4uigx3eokgsoCSDVilgQdHPdZAulbfYcnjPlLDHbcPqOhOdQObcvFCeAe5HG7v QhsZ//WnV7u0OjXVl2Da56/J/k1snYwStXt1xHXRkwCSVaU2Bj0= =n42+ -----END PGP SIGNATURE----- Merge tag 'objtool_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fix from Borislav Petkov: - Add a ORC format hash to vmlinux and modules in order for other tools which use it, to detect changes to it and adapt accordingly * tag 'objtool_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/unwind/orc: Add ELF section with ORC version identifier |
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|
Linus Torvalds
|
661e723b6f |
- Do not use set_pgd() when updating the KASLR trampoline pgd entry
because that updates the user PGD too on KPTI builds, resulting in memory corruption - Prevent a panic in the IO-APIC setup code due to conflicting command line parameters -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmSYBYwACgkQEsHwGGHe VUqLng//dI7c4KnGbQlVsi+4jWgUEvggEvDDIW9HuhVYLhx1YZw8rAsobi40hM8t vaV/cp2qhAYQFbwZsZKSgStVuZisewIby6tTOGyHG76IZGEitbdwNP1ISi3u5oDb c1jCn5qRcyIx6V2BEzeSwf4h+dt3QGMlIny1/TGf4f7X6JaP3MSnISiwDvlhmrkT t71SEH2JZ9ah7QMdy2D9A2H0vVS0PL7tEBZ9GD5d+eRNguBkbnLeJE1bKTTxU60a KqXTKGyFfUMgLS4icCTWsMBh7e5+OeUN866R8GdeoSfoqlRYwUM/63UsbAFbRK8+ H6/c/yOdGlngKyFRr4UmsgmmaXfyRYeWkMZZOrGSzS9pvktoShQ85+8iw9b4Fbjp W9CjHJ/lA4atvxjnh2N7z/2kKZwfDLhJJdf6YuCPI7QLush2rukNJJr0ghBjzKDV 2Wh1/ccq8qPm7BQ26VasDKO9b1ZXEhQ6mTyIIbGsx6xoCmT7cdJIplvstHCT485D 4yuWLS+WV4T+ZAqAXjmFoADrQ/M79mdGNakNLTHKbAOb8RNAZEMIwsgLM4wAi//3 It7kYSbYcnNtSa/WMmKQH56pbjKLGJVNnfVU6HDZ9MIiRKvj+GEJsbzqFynz2K5I kOqb4M5XxMlcM6GcV7Y9hcNWGvaMNZFbBR5gZpleksXEvG5ObRw= =9rbq -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Do not use set_pgd() when updating the KASLR trampoline pgd entry because that updates the user PGD too on KPTI builds, resulting in memory corruption - Prevent a panic in the IO-APIC setup code due to conflicting command line parameters * tag 'x86_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/apic: Fix kernel panic when booting with intremap=off and x2apic_phys x86/mm: Avoid using set_pgd() outside of real PGD pages |
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|
Linus Torvalds
|
a92b7d26c7 |
drm fixes for 6.4 final
qaic: - dma-buf import fix dp-mst: - fix NULL ptr deref -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmSVQBEACgkQDHTzWXnE hr6aHQ//TzYhYxOboniza2Wa6yWRj1pZpwKUE6DNet3C50oBduyUGbETiOY7ftsU iBx/JINx6yFTDXWZpVnGvdZDk72x5x13HeeKmyc44Yv7A2+M6CdhlwjCmKSsw7Rh 7fZFLhmTgCexi3VSowsZUwHpeDRgY8+G8oya51mE/5T+n44Gcz/HQhvW/al5iX5O /5XpxSrvuUZOnWgSTPPq3OVPb0e6Uu35mK4oW3VWOlzJGbuqHxhiqpgUm7gIVm3s l78nzdrZk5+8IHiFvO2DZEZVSIz6Z98iNQD0QSW0MzgE38aDdFqoawTRAr9OGG/E e11rQhPNvH7aLuQR2ssUte1oZXzhlKbh5k1CoJ99qQhW5VmE6wpg7PrCxWUsVW7G fjoIYNLyUeQgmhMnTrYhelecI7c9JnzZ168kbpl3Zor/a8JWSRrbeLr03ezjOEpH HRP7sdwFzNfcXnWjizNsLNPhDmqwTJAmWAa2V/wdAMnAVcwTLWVZWUjVZFviq/zM Qr3a9kMwC0M+++LE5x/MNCry7HoC46k1LF+zgHsvYDomJvhkMdIETjCY28dBrUqY GqnzKNb5ihT7J1DG/ugUlFvW5L84C4O8rBvasIqGUJO3vLbuwDz1XbzY4Rwz0lMU uPswGnWRg4bAsg4Y4zmeYa4XGsu4/7FsZFm7stX6nS2MKxRZNrA= =kL1t -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2023-06-23' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "Very quiet last week, just two misc fixes, one dp-mst and one qaic: qaic: - dma-buf import fix dp-mst: - fix NULL ptr deref" [ It turns out it was a quiet week because Alex Deucher hadn't sent in his pending AMD changes. So they are coming next - Linus ] * tag 'drm-fixes-2023-06-23' of git://anongit.freedesktop.org/drm/drm: drm: use mgr->dev in drm_dbg_kms in drm_dp_add_payload_part2 accel/qaic: Call DRM helper function to destroy prime GEM |
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|
Linus Torvalds
|
0f56e65748 |
ARM: SoC fixes for 6.4, part 3
The final bug fixes for Qualcomm and Rockchips came in, all of them
for devicetree files:
- Devices on Qualcomm SC7180/SC7280 that are cache coherent are now
marked so correctly to fix a regression after a change in kernel behavior.
- Rockchips has a few minor changes for correctness of regulator and cache
properties, as well as fixes for incorrect behavior of the RK3568 PCI
controller and reset pins on two boards.
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Merge tag 'arm-fixes-6.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"The final bug fixes for Qualcomm and Rockchips came in, all of them
for devicetree files:
- Devices on Qualcomm SC7180/SC7280 that are cache coherent are now
marked so correctly to fix a regression after a change in kernel
behavior
- Rockchips has a few minor changes for correctness of regulator and
cache properties, as well as fixes for incorrect behavior of the
RK3568 PCI controller and reset pins on two boards"
* tag 'arm-fixes-6.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: qcom: sc7280: Mark SCM as dma-coherent for chrome devices
arm64: dts: qcom: sc7180: Mark SCM as dma-coherent for trogdor
arm64: dts: qcom: sc7180: Mark SCM as dma-coherent for IDP
dt-bindings: firmware: qcom,scm: Document that SCM can be dma-coherent
arm64: dts: rockchip: Fix rk356x PCIe register and range mappings
arm64: dts: rockchip: fix button reset pin for nanopi r5c
arm64: dts: rockchip: fix nEXTRST on SOQuartz
arm64: dts: rockchip: add missing cache properties
arm64: dts: rockchip: fix USB regulator on ROCK64
|
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Linus Torvalds
|
569fa9392d |
for-6.4-rc7-tag
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Linus Torvalds
|
9cb38381ba |
block-6.4-2023-06-23
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Linus Torvalds
|
917b3c7c0b |
IOMMU fix for Linux v6.4-rc7:
- AMD IOMMU: Fix potential memory leak in domain allocation path -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAmSVmKYACgkQK/BELZcB GuOE2RAAjjIzyxinvvmnoepi5YnUW4rU7Ija9Gsh2OnK257JAOgUbzXfSJoEhNjn P3ePhtJeh8ZWLJYaefwFZQdhKpE5dqq20RK8p0aDHZgia6Lm9pS/qKsPE6wdpZua V0+N+zUDcGW9BshrWSXCVgY5yg5pJLdYhCp8KgRJS2YT/gScXG+3uYswd8aYCCDw 6/TtW9VCMKhmXQLARJm8Ok22OYYHijETMh8Ap5WSafoZwQo8xg59Favg4yiNS5++ U/m02DvKqvtIn0n8l5N2pz/mYK480kZillSOrts12a/vk27kH83jSwbW7fa3BVZo ozyuf4PY6bb08QMva77aepaAG2yKHavb2V5dPbEAAdmg7+a0UO1gNNi8YxZLZfc8 1kLiEcZ1W+b1zFaOO/wslXsIurdsLmvanVBDoIrUYJsEVJeVy5BF6v+TBoJCBSMl yz6C7HuzwORzXZSJs+YqrSl+vwnMquQpUiekEmW9DuhewOMc7Q+OS1pz83B6p3j2 oGZxc06dDCPoo2C3or5vhfgwhQfyzChifFbJAkqUPWJxIL68yF1XYbnHlpAXe8Ri y5LHZ4ILyLVhDKIdw/ZXY79WXtDRtEBvEiBxk1lqlY7yS4PusNGVk47Qbf3yGOGO m0+xm9kHFTTNuvPb/JC83BluwrLjmmxKyCeq2wUY8uJjid7rYMA= =/DJq -----END PGP SIGNATURE----- Merge tag 'iommu-fix-v6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fix from Joerg Roedel: - Fix potential memory leak in AMD IOMMU domain allocation path * tag 'iommu-fix-v6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/amd: Fix possible memory leak of 'domain' |
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Linus Torvalds
|
61dabacdad |
sound fixes for 6.4-final
Three oneliner fixes: one for a thinko in SOF SoundWire code and two HD-audio quirks for ASUS laptops. All device-specific and should be safe to apply. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmSUAMwOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE+xpw/9FFPOBk6vn2sU5EbB36qaNwMrnElt8lR5fFlu YcRwfG0ygyy2fO/KJXhqMP7xdcV61kmj1Jp/JENwZiZHYhW8pn6D0izlpdRPvZLZ zVJZiEuKM7gvI9/SSsYRE8nFLbKjmgWs/wExXhbILcAbExF04wFj5IoMY1KlDf7g xOcNUk0rMMRw1E5gdBvkyvNOXv+pD/o4DbM2iPRzKuJgRLTe+EHV6bkO7oxl9n7b 6EUaAXNUFIab0GootdslsHaTtYk9LErfQtggb8P9QDNG2yBRY3ajIQk8Lb5yCSEl 1gcV2+kPnBT008IgtsLXUCwMYojqUddMvYPbZoTGtu2qz7fM+4teNZrGl5VTCpXy Pdg7ip1DzeYEYHadNJ71TtUvWB5LsJH9GyQXQYw/JrT81+J1t9R87zSNH2+BRxJN 6yWeKgGzqAJXQlkXfhS/9LEdSrq3rVJNkhegA8S9H8WdRAD9J7XtFisnqoAskM7X /UPDo1WcfPbfHcGfSXTg5ofugVc6WDogsHGI2hA1P5KMKGSwC3IesVZUlVELhgsj H6vZPH5R5Mb2EKnskwR7MbhMrh51Af504A72gDgxrtBpdOIpoqzZIeSF4iT0k9l9 WurmmKDIuvfUefcJlXaxeaHlV9KlqP4mndsB5X1uYzlIGwGWUkUZ1v6uMISWr/wa ohxCgLI= =BL11 -----END PGP SIGNATURE----- Merge tag 'sound-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Three oneliner fixes: one for a thinko in SOF SoundWire code and two HD-audio quirks for ASUS laptops. All device-specific and should be safe to apply" * tag 'sound-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/realtek: Add quirk for ASUS ROG GV601V ALSA: hda/realtek: Add quirk for ASUS ROG G634Z ASoC: intel: sof_sdw: Fixup typo in device link checking |
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|
Linus Torvalds
|
6edecb9986 |
gpio fixes for v6.4
- fix IRQ initialization in gpiochip_irqchip_add_domain() - add a missing return value check for platform_get_irq() in gpio-sifive - don't free irq_domains which GPIOLIB does not manage -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAmSVbnsACgkQEacuoBRx 13JZiQ//QnUfDWPLwOzZ56jkz5rubWz9Gn4mlhWB1YB+897yI9TVpEyvoHXjUTMg DneP8y+Dw+2R4IKIxza6E5yGynxFw5o7aCJrF5hSH3IctYYKyWAbmXwEpXvAxdBI 9Z6X4ASYWEWPzhcXGVS+MXLNK3aCPf9jlv6AvpmtbJ7Vyw7+Z+A1USePdYh7hcwi FqnDU2GokJKFKgaUxWHjHpDDu8ad4kwLyExCurTXh8BT/qxYUu4OCcSDKeD7MnmQ qHa3BPQA1ozbgjjacsggXGNf3I4av0ayMRNft3yq7PFEXBW7PCH6BTyOY3JiPt9Z OMjgOxEzA2LdLnHeUgtFxVjNX8MwTGoMQYG1+piouJ+0Do2XG4GY4DiMk2Op8Dh3 Z9eqmDAVMJd5eXM5U503TjY4JbP6hCqFYqqFdvPJpSOfFhBk2nV+6X2zZOvqu0kt Rl2Ejqp9I4jhUPl/dm+UOZkz+21tm91IGpsxvGdqudsV4cXbHF4/j/atnE9fRM3x W0vQkynOamMKfeAKYGyMly20zogJ0+dQ+U+jBDWEBLCSNz6rsTvAzk61jTyXZAW2 EvmsCJPYehvblJG0ePzUrGmnMf057fc7Ce45vBToEN6JnfJjD5Q1ElwMEDPcB54G vo4n8i16Q0NU4CsWGpKirPNTAOZ1e5K1PneTHB9odcvzB2oL9r0= =avPl -----END PGP SIGNATURE----- Merge tag 'gpio-fixes-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - fix IRQ initialization in gpiochip_irqchip_add_domain() - add a missing return value check for platform_get_irq() in gpio-sifive - don't free irq_domains which GPIOLIB does not manage * tag 'gpio-fixes-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpiolib: Fix irq_domain resource tracking for gpiochip_irqchip_add_domain() gpio: sifive: add missing check for platform_get_irq gpiolib: Fix GPIO chip IRQ initialization restriction |
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Arnd Bergmann
|
ed8ff046ed |
One last Qualcomm ARM64 DeviceTree fix for v6.4
Changes related to cache management for DMA memory caused WiFi to stop work on SC7180 and SC7280 based products, using TF-A. These changes marks the relevant device dma-coherent to correct the behavior. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmSUpxYVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3F6mgP/0lybAjuULXku98KmDv+OxGQ1Wtd fNnYHHA3sfCk5S6Njxrq3GWAd5F3XVBDgHjNshR1cRZgl1MIuJdvjxl0gSCI8b81 dl2MNi9enogL+kKeVD3w2pzE4ABpGM787qjPGRJFjwWlsxtO2q2oesrJGZRG5wLl N2remtGZy2huzG/NEJO+NR59RYnMqIuxmrQaDiU+BaqfEAQjZx4VRLB13ixTBceX 6BIog6Q0Idl9BS31AOFePSa+BGN4WKPVQuZcHuJMqrQ1Ocqm4E7pOoynu4dpuP1x XT1IzcIavR71doZWUA8WKsKEU5AArDIotUi8WRieEGWt9KWWOXuHYyMUtI8uhz7r CgTmsDFI+gnmPG9VZLTkT/oIJu5+Ha/jk1jngwPZhbIqqM3rKK7gXYerpTKlTKRR XmH1c8smTI255kYYKAY4vvY/dNinyPjEFJ89KhqE6Jlsq27VOQj+2RedmAjthj60 c8K3BuWRsDlkul5czuBre/soTn/vWl/GbbfhD2gXMLrbLXnLvYnFudR7AdiPWcSl 4QEr2MrErvGlmbT4GbBVw6q6z/UbLpTzcQMekFk6shpq1x3SuBSlKTwbHEpV8vHR Z13jt/Pon4ysg00kFGJUDastzSHEKf41ggoGD4m++Z2pk4R0iA02dr8U/9i1wyeR 3rtRHHyG3cJI0zby =ZdjH -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmSV/OcACgkQYKtH/8kJ UidD+Q//XxciqeCyOqnK+Uv2MXj3CDswUPZIQ3bTi8/JJt6WpT6qP8ZYWP3CbfeX qTe3tgbjmG+5Co2cUq1PSwNTLn1/vG2mEyhz48EDOmh+20joeduKRwt5DrN29+GP nk/N+1bslHpEmjgfSIliOLJNLlMvBpUOyFKTT70zDkRN1o3en/aLKhI1N5h1G8IF f3wt68siitFKNEBgLyN6VTZeEO0LWuX4oqC5ggq8hA+0k3XuGRHcp4OXQvTbhrF8 AgRQSaaWc9awBSO0kVbOG+P3cXTc2KdJIua6uaq5ToJ6LPArQ3jtIDfMMMWBQtWd 4evU2maitV384SpqlQ1PN8TC5oqIEVdvfh/bujDPO5iTajj9x8LT9u0suPkU7q0A tpF9zwpcClo7K1svgEi3wJ7vr/Ktm8mxhu+OKmYeQfQCIyAIGD+00UCVuHbSUuzo doptwvUNQzJ3i6Ifszdl5fslnN/ol5gP02PdUsQiXwC3NIAtWjTgtENYq4WN0VwV REQzIhHRlXF2NO+UBmAvL/Ju9+7yV3fYkdFBTjJ85BnIDejnZbaZ4ErRYTxzuNYA /VGiSuE5aVpTBuLPLF2pAmUnFsITXMTKEv/knObq4BM0YiWgixee0PFmCPWVvUOd P7tDO9TUFHjcFJGHge+nRgiMRzedVqIW2d4SfPFWAF5KgiVwH74= =f/SB -----END PGP SIGNATURE----- Merge tag 'qcom-arm64-fixes-for-6.4-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes One last Qualcomm ARM64 DeviceTree fix for v6.4 Changes related to cache management for DMA memory caused WiFi to stop work on SC7180 and SC7280 based products, using TF-A. These changes marks the relevant device dma-coherent to correct the behavior. * tag 'qcom-arm64-fixes-for-6.4-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: arm64: dts: qcom: sc7280: Mark SCM as dma-coherent for chrome devices arm64: dts: qcom: sc7180: Mark SCM as dma-coherent for trogdor arm64: dts: qcom: sc7180: Mark SCM as dma-coherent for IDP dt-bindings: firmware: qcom,scm: Document that SCM can be dma-coherent Link: https://lore.kernel.org/r/20230622203248.106422-1-andersson@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Linus Torvalds
|
afa4bb778e |
workqueue: clean up WORK_* constant types, clarify masking
Dave Airlie reports that gcc-13.1.1 has started complaining about some
of the workqueue code in 32-bit arm builds:
kernel/workqueue.c: In function ‘get_work_pwq’:
kernel/workqueue.c:713:24: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
713 | return (void *)(data & WORK_STRUCT_WQ_DATA_MASK);
| ^
[ ... a couple of other cases ... ]
and while it's not immediately clear exactly why gcc started complaining
about it now, I suspect it's some C23-induced enum type handlign fixup in
gcc-13 is the cause.
Whatever the reason for starting to complain, the code and data types
are indeed disgusting enough that the complaint is warranted.
The wq code ends up creating various "helper constants" (like that
WORK_STRUCT_WQ_DATA_MASK) using an enum type, which is all kinds of
confused. The mask needs to be 'unsigned long', not some unspecified
enum type.
To make matters worse, the actual "mask and cast to a pointer" is
repeated a couple of times, and the cast isn't even always done to the
right pointer, but - as the error case above - to a 'void *' with then
the compiler finishing the job.
That's now how we roll in the kernel.
So create the masks using the proper types rather than some ambiguous
enumeration, and use a nice helper that actually does the type
conversion in one well-defined place.
Incidentally, this magically makes clang generate better code. That,
admittedly, is really just a sign of clang having been seriously
confused before, and cleaning up the typing unconfuses the compiler too.
Reported-by: Dave Airlie <airlied@gmail.com>
Link: https://lore.kernel.org/lkml/CAPM=9twNnV4zMCvrPkw3H-ajZOH-01JVh_kDrxdPYQErz8ZTdA@mail.gmail.com/
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
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Yu Kuai
|
fcaa174a9c |
scsi/sg: don't grab scsi host module reference
In order to prevent request_queue to be freed before cleaning up blktrace debugfs entries, commit |
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Pavel Begunkov
|
c98c81a4ac |
io_uring: merge conditional unlock flush helpers
There is no reason not to use __io_cq_unlock_post_flush for intermediate aux CQE flushing, all ->task_complete should apply there, i.e. if set it should be the submitter task. Combine them, get rid of of __io_cq_unlock_post() and rename the left function. This place was also taking a couple percents of CPU according to profiles for max throughput net benchmarks due to multishot recv flooding it with completions. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/bbed60734cbec2e833d9c7bdcf9741aada5d8aab.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
|
0fdb9a196c |
io_uring: make io_cq_unlock_post static
io_cq_unlock_post() is exclusively used in io_uring/io_uring.c, mark it static and don't expose to other files. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/3dc8127dda4514e1dd24bb32035faac887c5fa37.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
|
ff12617728 |
io_uring: inline __io_cq_unlock
__io_cq_unlock is not very helpful, and users should be calling flush variants anyway. Open code the function. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/d875c4cfb69f38ccecb58a57111446c77a614caa.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
|
55b6a69fed |
io_uring: fix acquire/release annotations
We do conditional locking, so __io_cq_lock() and friends not always actually grab/release the lock, so kill misleading annotations. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/2a098f9144c24cab622f8bf90b39f44da5d0401e.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
|
f432b76bcc |
io_uring: kill io_cq_unlock()
We're abusing ->completion_lock helpers. io_cq_unlock() neither locking conditionally nor doing CQE flushing, which means that callers must have some side reason of taking the lock and should do it directly. Open code io_cq_unlock() into io_cqring_overflow_kill() and clean it up. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/7dabb36856db2b562e78780480396c52c29b2bf4.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
|
91c7884ac9 |
io_uring: remove IOU_F_TWQ_FORCE_NORMAL
Extract a function for non-local task_work_add, and use it directly from io_move_task_work_from_local(). Now we don't use IOU_F_TWQ_FORCE_NORMAL and it can be killed. As a small positive side effect we don't grab task->io_uring in io_req_normal_work_add anymore, which is not needed for io_req_local_work_add(). Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/2e55571e8ff2927ae3cc12da606d204e2485525b.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
|
2fdd6fb5ff |
io_uring: don't batch task put on reqs free
We're trying to batch io_put_task() in io_free_batch_list(), but considering that the hot path is a simple inc, it's most cerainly and probably faster to just do io_put_task() instead of task tracking. We don't care about io_put_task_remote() as it's only for IOPOLL where polling/waiting is done by not the submitter task. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/4a7ef7dce845fe2bd35507bf389d6bd2d5c1edf0.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
|
5a754dea27 |
io_uring: move io_clean_op()
Move io_clean_op() up in the source file and remove the forward declaration, as the function doesn't have tricky dependencies anymore. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/1b7163b2ba7c3a8322d972c79c1b0a9301b3057e.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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|
Pavel Begunkov
|
3b7a612fd0 |
io_uring: inline io_dismantle_req()
io_dismantle_req() is only used in __io_req_complete_post(), open code it there. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/ba8f20cb2c914eefa2e7d120a104a198552050db.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
|
6ec9afc7f4 |
io_uring: remove io_free_req_tw
Request completion is a very hot path in general, but there are 3 places that can be doing it: io_free_batch_list(), io_req_complete_post() and io_free_req_tw(). io_free_req_tw() is used rather marginally and we don't care about it. Killing it can help to clean up and optimise the left two, do that by replacing it with io_req_task_complete(). There are two things to consider: 1) io_free_req() is called when all refs are put, so we need to reinit references. The easiest way to do that is to clear REQ_F_REFCOUNT. 2) We also don't need a cqe from it, so silence it with REQ_F_CQE_SKIP. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/434a2be8f33d474ad888ce1c17fe5ea7bbcb2a55.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
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247f97a5f1 |
io_uring: open code io_put_req_find_next
There is only one user of io_put_req_find_next() and it doesn't make much sense to have it. Open code the function. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/38b5c5e48e4adc8e6a0cd16fdd5c1531d7ff81a9.1687518903.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jan Kara
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a42fb5a75c |
ext4: Fix warning in blkdev_put()
ext4_blkdev_remove() passes a wrong holder pointer to blkdev_put() which
triggers a warning there. Fix it.
Fixes:
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Clark Wang
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e69b9bc170 |
i2c: imx-lpi2c: fix type char overflow issue when calculating the clock cycle
Claim clkhi and clklo as integer type to avoid possible calculation
errors caused by data overflow.
Fixes:
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Shuai Jiang
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cd9489623c |
i2c: qup: Add missing unwind goto in qup_i2c_probe()
Smatch Warns:
drivers/i2c/busses/i2c-qup.c:1784 qup_i2c_probe()
warn: missing unwind goto?
The goto label "fail_runtime" and "fail" will disable qup->pclk,
but here qup->pclk failed to obtain, in order to be consistent,
change the direct return to goto label "fail_dma".
Fixes:
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Rob Herring
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bd5c7104d4 |
dt-bindings: i2c: opencores: Add missing type for "regstep"
"regstep" may be deprecated, but it still needs a type.
Fixes:
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Dave Airlie
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9bd9be5cba |
Merge tag 'drm-misc-fixes-2023-06-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v6.4: - Qaic imported dma-buf fix. - Fix null pointer deref when printing a dp-mst message. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <dev@lankhorst.se> Link: https://patchwork.freedesktop.org/patch/msgid/e96b1965-ba67-7cc5-2358-826eb5b9b998@lankhorst.se |
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Linus Torvalds
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8a28a0b6f1 |
Networking fixes for 6.4-rc8, including fixes from ipsec, bpf,
mptcp and netfilter.
Current release - regressions:
- netfilter: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
- eth: mlx5e:
- fix scheduling of IPsec ASO query while in atomic
- free IRQ rmap and notifier on kernel shutdown
Current release - new code bugs:
- phy: manual remove LEDs to ensure correct ordering
Previous releases - regressions:
- mptcp: fix possible divide by zero in recvmsg()
- dsa: revert "net: phy: dp83867: perform soft reset and retain established link"
Previous releases - always broken:
- sched: netem: acquire qdisc lock in netem_change()
- bpf:
- fix verifier id tracking of scalars on spill
- fix NULL dereference on exceptions
- accept function names that contain dots
- netfilter: disallow element updates of bound anonymous sets
- mptcp: ensure listener is unhashed before updating the sk status
- xfrm:
- add missed call to delete offloaded policies
- fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
- selftests: fixes for FIPS mode
- dsa: mt7530: fix multiple CPU ports, BPDU and LLDP handling
- eth: sfc: use budget for TX completions
Misc:
- wifi: iwlwifi: add support for SO-F device with PCI id 0x7AF0
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from ipsec, bpf, mptcp and netfilter.
Current release - regressions:
- netfilter: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
- eth: mlx5e:
- fix scheduling of IPsec ASO query while in atomic
- free IRQ rmap and notifier on kernel shutdown
Current release - new code bugs:
- phy: manual remove LEDs to ensure correct ordering
Previous releases - regressions:
- mptcp: fix possible divide by zero in recvmsg()
- dsa: revert "net: phy: dp83867: perform soft reset and retain
established link"
Previous releases - always broken:
- sched: netem: acquire qdisc lock in netem_change()
- bpf:
- fix verifier id tracking of scalars on spill
- fix NULL dereference on exceptions
- accept function names that contain dots
- netfilter: disallow element updates of bound anonymous sets
- mptcp: ensure listener is unhashed before updating the sk status
- xfrm:
- add missed call to delete offloaded policies
- fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
- selftests: fixes for FIPS mode
- dsa: mt7530: fix multiple CPU ports, BPDU and LLDP handling
- eth: sfc: use budget for TX completions
Misc:
- wifi: iwlwifi: add support for SO-F device with PCI id 0x7AF0"
* tag 'net-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (74 commits)
revert "net: align SO_RCVMARK required privileges with SO_MARK"
net: wwan: iosm: Convert single instance struct member to flexible array
sch_netem: acquire qdisc lock in netem_change()
selftests: forwarding: Fix race condition in mirror installation
wifi: mac80211: report all unusable beacon frames
mptcp: ensure listener is unhashed before updating the sk status
mptcp: drop legacy code around RX EOF
mptcp: consolidate fallback and non fallback state machine
mptcp: fix possible list corruption on passive MPJ
mptcp: fix possible divide by zero in recvmsg()
mptcp: handle correctly disconnect() failures
bpf: Force kprobe multi expected_attach_type for kprobe_multi link
bpf/btf: Accept function names that contain dots
Revert "net: phy: dp83867: perform soft reset and retain established link"
net: mdio: fix the wrong parameters
netfilter: nf_tables: Fix for deleting base chains with payload
netfilter: nfnetlink_osf: fix module autoload
netfilter: nf_tables: drop module reference after updating chain
netfilter: nf_tables: disallow timeout for anonymous sets
netfilter: nf_tables: disallow updates of anonymous sets
...
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