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5984fabb6e
894305 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Yang Shi
|
5984fabb6e |
mm: move_pages: report the number of non-attempted pages
Since commit |
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Wei Yang
|
fac0516b55 |
mm: thp: don't need care deferred split queue in memcg charge move path
If compound is true, this means it is a PMD mapped THP. Which implies
the page is not linked to any defer list. So the first code chunk will
not be executed.
Also with this reason, it would not be proper to add this page to a
defer list. So the second code chunk is not correct.
Based on this, we should remove the defer list related code.
[yang.shi@linux.alibaba.com: better patch title]
Link: http://lkml.kernel.org/r/20200117233836.3434-1-richardw.yang@linux.intel.com
Fixes:
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Dan Williams
|
f1037ec0cc |
mm/memory_hotplug: fix remove_memory() lockdep splat
The daxctl unit test for the dax_kmem driver currently triggers the
(false positive) lockdep splat below. It results from the fact that
remove_memory_block_devices() is invoked under the mem_hotplug_lock()
causing lockdep entanglements with cpu_hotplug_lock() and sysfs (kernfs
active state tracking). It is a false positive because the sysfs
attribute path triggering the memory remove is not the same attribute
path associated with memory-block device.
sysfs_break_active_protection() is not applicable since there is no real
deadlock conflict, instead move memory-block device removal outside the
lock. The mem_hotplug_lock() is not needed to synchronize the
memory-block device removal vs the page online state, that is already
handled by lock_device_hotplug(). Specifically, lock_device_hotplug()
is sufficient to allow try_remove_memory() to check the offline state of
the memblocks and be assured that any in progress online attempts are
flushed / blocked by kernfs_drain() / attribute removal.
The add_memory() path safely creates memblock devices under the
mem_hotplug_lock(). There is no kernfs active state synchronization in
the memblock device_register() path, so nothing to fix there.
This change is only possible thanks to the recent change that refactored
memory block device removal out of arch_remove_memory() (commit
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Wei Yang
|
dfe9aa23ca |
mm/migrate.c: also overwrite error when it is bigger than zero
If we get here after successfully adding page to list, err would be 1 to
indicate the page is queued in the list.
Current code has two problems:
* on success, 0 is not returned
* on error, if add_page_for_migratioin() return 1, and the following err1
from do_move_pages_to_node() is set, the err1 is not returned since err
is 1
And these behaviors break the user interface.
Link: http://lkml.kernel.org/r/20200119065753.21694-1-richardw.yang@linux.intel.com
Fixes:
|
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Pingfan Liu
|
1f503443e7 |
mm/sparse.c: reset section's mem_map when fully deactivated
After commit
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Dan Carpenter
|
c7a91bc7c2 |
mm/mempolicy.c: fix out of bounds write in mpol_parse_str()
What we are trying to do is change the '=' character to a NUL terminator
and then at the end of the function we restore it back to an '='. The
problem is there are two error paths where we jump to the end of the
function before we have replaced the '=' with NUL.
We end up putting the '=' in the wrong place (possibly one element
before the start of the buffer).
Link: http://lkml.kernel.org/r/20200115055426.vdjwvry44nfug7yy@kili.mountain
Reported-by: syzbot+e64a13c5369a194d67df@syzkaller.appspotmail.com
Fixes:
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Theodore Ts'o
|
68f23b8906 |
memcg: fix a crash in wb_workfn when a device disappears
Without memcg, there is a one-to-one mapping between the bdi and bdi_writeback structures. In this world, things are fairly straightforward; the first thing bdi_unregister() does is to shutdown the bdi_writeback structure (or wb), and part of that writeback ensures that no other work queued against the wb, and that the wb is fully drained. With memcg, however, there is a one-to-many relationship between the bdi and bdi_writeback structures; that is, there are multiple wb objects which can all point to a single bdi. There is a refcount which prevents the bdi object from being released (and hence, unregistered). So in theory, the bdi_unregister() *should* only get called once its refcount goes to zero (bdi_put will drop the refcount, and when it is zero, release_bdi gets called, which calls bdi_unregister). Unfortunately, del_gendisk() in block/gen_hd.c never got the memo about the Brave New memcg World, and calls bdi_unregister directly. It does this without informing the file system, or the memcg code, or anything else. This causes the root wb associated with the bdi to be unregistered, but none of the memcg-specific wb's are shutdown. So when one of these wb's are woken up to do delayed work, they try to dereference their wb->bdi->dev to fetch the device name, but unfortunately bdi->dev is now NULL, thanks to the bdi_unregister() called by del_gendisk(). As a result, *boom*. Fortunately, it looks like the rest of the writeback path is perfectly happy with bdi->dev and bdi->owner being NULL, so the simplest fix is to create a bdi_dev_name() function which can handle bdi->dev being NULL. This also allows us to bulletproof the writeback tracepoints to prevent them from dereferencing a NULL pointer and crashing the kernel if one is tracing with memcg's enabled, and an iSCSI device dies or a USB storage stick is pulled. The most common way of triggering this will be hotremoval of a device while writeback with memcg enabled is going on. It was triggering several times a day in a heavily loaded production environment. Google Bug Id: 145475544 Link: https://lore.kernel.org/r/20191227194829.150110-1-tytso@mit.edu Link: http://lkml.kernel.org/r/20191228005211.163952-1-tytso@mit.edu Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: Chris Mason <clm@fb.com> Cc: Tejun Heo <tj@kernel.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Andy Shevchenko
|
69334ca530 |
lib/test_bitmap: correct test data offsets for 32-bit
On 32-bit platform the size of long is only 32 bits which makes wrong
offset in the array of 64 bit size.
Calculate offset based on BITS_PER_LONG.
Link: http://lkml.kernel.org/r/20200109103601.45929-1-andriy.shevchenko@linux.intel.com
Fixes:
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Linus Torvalds
|
39bed42de2 |
hmm related patches for 5.6
This small series revises the names in mmu_notifier to make the code clearer and more readable. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEfB7FMLh+8QxL+6i3OG33FX4gmxoFAl4wf2EACgkQOG33FX4g mxqrdw//XIexbXQqP4dUKFCFeI7Um6ZqYE6iVCQi6JEetpKxCR8BSrJsq6EP60Mg cVCKolISuudzOccz/liotg9SrwRlcO3mzucd8LJZG0v2FZMzQr0EKjst0RC4/xvK U2RxGvwLQ+XVR/3/l6hXyWyw7u28+F1RsfQMMX3kqR3qlcQachQ3k7oUINDIq2XH JkQcBV+XK0doXEp6VCCVKwuwEN7O5xSm8lAIHDNFZEEPre0iKxwatgWxdXFIWQek tRywwB7bRzFROBlDcoOQ0GDTqScr3bghz6vWU4GGv3avYkystKwy44ha6BzO2xQc ZNIo8AN9UFFhcmF531wklsXTCbxbxJAJAwdyIuQnKq5glw64EFnrjo2sxuL6s56h C1GHADtxDccv+nr2sKP/rFFeq9K3VqHDtjEdBOhReuB0Vp1YfVr17A4R8yAn8A+1 vm3IusoOq+g8qMYxRHEb+76/S//joaxAlFQkU5Gjn/0xsykP99YQSQFBjXmkzWlS IiHLf0HJiCCL8SHe4Wnyhyl1DUIIl38HQULqbFWZ8hK4ELhTd2KEuDxzT8q+v+v7 2M9nBVdRaw1kskGiFv+F7mb6c990CTEZO9B5fHpAjPRxeVkLYc06QfJY+hXbbu4c 6yzIvERRRlAviCmgb7G+3pLyBCKdvlIlCVsVOdxHXSRsl904BnA= =hhT0 -----END PGP SIGNATURE----- Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma Pull mmu_notifier updates from Jason Gunthorpe: "This small series revises the names in mmu_notifier to make the code clearer and more readable" * tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: mm/mmu_notifiers: Use 'interval_sub' as the variable for mmu_interval_notifier mm/mmu_notifiers: Use 'subscription' as the variable name for mmu_notifier mm/mmu_notifier: Rename struct mmu_notifier_mm to mmu_notifier_subscriptions |
||
|
Linus Torvalds
|
83fa805bcb |
threads-v5.6
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Merge tag 'threads-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull thread management updates from Christian Brauner:
"Sargun Dhillon over the last cycle has worked on the pidfd_getfd()
syscall.
This syscall allows for the retrieval of file descriptors of a process
based on its pidfd. A task needs to have ptrace_may_access()
permissions with PTRACE_MODE_ATTACH_REALCREDS (suggested by Oleg and
Andy) on the target.
One of the main use-cases is in combination with seccomp's user
notification feature. As a reminder, seccomp's user notification
feature was made available in v5.0. It allows a task to retrieve a
file descriptor for its seccomp filter. The file descriptor is usually
handed of to a more privileged supervising process. The supervisor can
then listen for syscall events caught by the seccomp filter of the
supervisee and perform actions in lieu of the supervisee, usually
emulating syscalls. pidfd_getfd() is needed to expand its uses.
There are currently two major users that wait on pidfd_getfd() and one
future user:
- Netflix, Sargun said, is working on a service mesh where users
should be able to connect to a dns-based VIP. When a user connects
to e.g. 1.2.3.4:80 that runs e.g. service "foo" they will be
redirected to an envoy process. This service mesh uses seccomp user
notifications and pidfd to intercept all connect calls and instead
of connecting them to 1.2.3.4:80 connects them to e.g.
127.0.0.1:8080.
- LXD uses the seccomp notifier heavily to intercept and emulate
mknod() and mount() syscalls for unprivileged containers/processes.
With pidfd_getfd() more uses-cases e.g. bridging socket connections
will be possible.
- The patchset has also seen some interest from the browser corner.
Right now, Firefox is using a SECCOMP_RET_TRAP sandbox managed by a
broker process. In the future glibc will start blocking all signals
during dlopen() rendering this type of sandbox impossible. Hence,
in the future Firefox will switch to a seccomp-user-nofication
based sandbox which also makes use of file descriptor retrieval.
The thread for this can be found at
https://sourceware.org/ml/libc-alpha/2019-12/msg00079.html
With pidfd_getfd() it is e.g. possible to bridge socket connections
for the supervisee (binding to a privileged port) and taking actions
on file descriptors on behalf of the supervisee in general.
Sargun's first version was using an ioctl on pidfds but various people
pushed for it to be a proper syscall which he duely implemented as
well over various review cycles. Selftests are of course included.
I've also added instructions how to deal with merge conflicts below.
There's also a small fix coming from the kernel mentee project to
correctly annotate struct sighand_struct with __rcu to fix various
sparse warnings. We've received a few more such fixes and even though
they are mostly trivial I've decided to postpone them until after -rc1
since they came in rather late and I don't want to risk introducing
build warnings.
Finally, there's a new prctl() command PR_{G,S}ET_IO_FLUSHER which is
needed to avoid allocation recursions triggerable by storage drivers
that have userspace parts that run in the IO path (e.g. dm-multipath,
iscsi, etc). These allocation recursions deadlock the device.
The new prctl() allows such privileged userspace components to avoid
allocation recursions by setting the PF_MEMALLOC_NOIO and
PF_LESS_THROTTLE flags. The patch carries the necessary acks from the
relevant maintainers and is routed here as part of prctl()
thread-management."
* tag 'threads-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
prctl: PR_{G,S}ET_IO_FLUSHER to support controlling memory reclaim
sched.h: Annotate sighand_struct with __rcu
test: Add test for pidfd getfd
arch: wire up pidfd_getfd syscall
pid: Implement pidfd_getfd syscall
vfs, fdtable: Add fget_task helper
|
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|
Linus Torvalds
|
896f8d23d0 |
for-5.6/io_uring-vfs-2020-01-29
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Linus Torvalds
|
33c84e89ab |
SCSI misc on 20200129
This series is slightly unusual because it includes Arnd's compat ioctl tree here: |
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Linus Torvalds
|
e9f8ca0ae7 |
- Fix DM core's potential for q->make_request_fn NULL pointer in the
unlikely case that a DM device is created without a DM table and then accessed due to upper-layer userspace code or user error. - Fix DM thin-provisioning's metadata_pre_commit_callback to not use memory after it is free'd. Also refactor code to disallow changing the thin-pool's data device once in use -- doing so guarantees smae lifetime of pool's data device relative to the pool metadata. - Fix DM space maps used by DM thinp and DM cache to avoid reuse of a already used block. This race was identified with extremely heavy snapshot use in the context of DM thin provisioning. - Fix DM raid's table status relative to an active rebuild. - Fix DM crypt to use GFP_NOIO rather than GFP_NOFS in call to skcipher_request_alloc(). Also fix benbi IV constructor crash if used in authenticated mode. - Add DM crypt support for Elephant diffuser to allow for Bitlocker compatibility. - Fix DM verity target to not prefetch hash blocks for data that has already been verified. - Fix DM writecache's incorrect flush sequence during commit when in SSD mode. - Improve DM writecache's sequential write performance on SSDs. - Add DM zoned target support for zone sizes smaller than 128MiB. - Add DM multipath 'queue_if_no_path_timeout_secs' module param to allow timeout if path isn't reinstated. This allows users a kernel safety-net against IO hanging indefinitely, due to no active paths, that has historically only been provided by multipathd userspace. - Various DM code cleanups to use true/false rather than 1/0, a variable rename in dm-dust, and fix for a math error in comment for DM thin metadata's ondisk format. -----BEGIN PGP SIGNATURE----- iQFHBAABCAAxFiEEJfWUX4UqZ4x1O2wixSPxCi2dA1oFAl4xvEITHHNuaXR6ZXJA cmVkaGF0LmNvbQAKCRDFI/EKLZ0DWipYCAC+sX8q/XBDRi4WDCTvCRCcBfz9g9ZO oygimV64oYf08JiDL54Z29T0EjwGR6DcZB0nEyjhl2/lU4bPwd4kLc/VHwjf44ay oUJWZxp8Az7pIWjQQ5oC09it8gLmDpBdq2Z146tEDgYrERnH8BgDObYm3ihXwi9f zMoET8rIzNltMUo6jIumjzxPcLbBsRTnC35mE//PZkMiUUI3ucNWuOhD/ICDe/Tu VQ9rNtJx01xs07bFKT4OYR2Oc7xrtWEOMDKeSFz16j8t28wywLFz3EPXRG7tKM3l 6CKBFdRqPSL6v2Mr1QD8YwJJCPLsCoOQ14aKn2sDPG8EgQMnh7R2g6OT =mfnM -----END PGP SIGNATURE----- Merge tag 'for-5.6/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper updates from Mike Snitzer: - Fix DM core's potential for q->make_request_fn NULL pointer in the unlikely case that a DM device is created without a DM table and then accessed due to upper-layer userspace code or user error. - Fix DM thin-provisioning's metadata_pre_commit_callback to not use memory after it is free'd. Also refactor code to disallow changing the thin-pool's data device once in use -- doing so guarantees smae lifetime of pool's data device relative to the pool metadata. - Fix DM space maps used by DM thinp and DM cache to avoid reuse of a already used block. This race was identified with extremely heavy snapshot use in the context of DM thin provisioning. - Fix DM raid's table status relative to an active rebuild. - Fix DM crypt to use GFP_NOIO rather than GFP_NOFS in call to skcipher_request_alloc(). Also fix benbi IV constructor crash if used in authenticated mode. - Add DM crypt support for Elephant diffuser to allow for Bitlocker compatibility. - Fix DM verity target to not prefetch hash blocks for data that has already been verified. - Fix DM writecache's incorrect flush sequence during commit when in SSD mode. - Improve DM writecache's sequential write performance on SSDs. - Add DM zoned target support for zone sizes smaller than 128MiB. - Add DM multipath 'queue_if_no_path_timeout_secs' module param to allow timeout if path isn't reinstated. This allows users a kernel safety-net against IO hanging indefinitely, due to no active paths, that has historically only been provided by multipathd userspace. - Various DM code cleanups to use true/false rather than 1/0, a variable rename in dm-dust, and fix for a math error in comment for DM thin metadata's ondisk format. * tag 'for-5.6/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (21 commits) dm: fix potential for q->make_request_fn NULL pointer dm writecache: improve performance of large linear writes on SSDs dm mpath: Add timeout mechanism for queue_if_no_path dm thin: change data device's flush_bio to be member of struct pool dm thin: don't allow changing data device during thin-pool reload dm thin: fix use-after-free in metadata_pre_commit_callback dm thin metadata: use pool locking at end of dm_pool_metadata_close dm writecache: fix incorrect flush sequence when doing SSD mode commit dm crypt: fix benbi IV constructor crash if used in authenticated mode dm crypt: Implement Elephant diffuser for Bitlocker compatibility dm space map common: fix to ensure new block isn't already in use dm verity: don't prefetch hash blocks for already-verified data dm crypt: fix GFP flags passed to skcipher_request_alloc() dm thin metadata: Fix trivial math error in on-disk format documentation dm thin metadata: use true/false for bool variable dm snapshot: use true/false for bool variable dm bio prison v2: use true/false for bool variable dm mpath: use true/false for bool variable dm zoned: support zone sizes smaller than 128MiB dm raid: table line rebuild status fixes ... |
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Linus Torvalds
|
05ef8b97dd |
It has been a relatively quiet cycle for documentation, but there's still a
couple of things of note:
- Conversion of the NFS documentation to RST
- A new document on how to help with documentation (and a maintainer
profile entry too)
Plus the usual collection of typo fixes, etc.
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Merge tag 'docs-5.6' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It has been a relatively quiet cycle for documentation, but there's
still a couple of things of note:
- Conversion of the NFS documentation to RST
- A new document on how to help with documentation (and a maintainer
profile entry too)
Plus the usual collection of typo fixes, etc"
* tag 'docs-5.6' of git://git.lwn.net/linux: (40 commits)
docs: filesystems: add overlayfs to index.rst
docs: usb: remove some broken references
scripts/find-unused-docs: Fix massive false positives
docs: nvdimm: use ReST notation for subsection
zram: correct documentation about sysfs node of huge page writeback
Documentation: zram: various fixes in zram.rst
Add a maintainer entry profile for documentation
Add a document on how to contribute to the documentation
docs: Keep up with the location of NoUri
Documentation: Call out example SYM_FUNC_* usage as x86-specific
Documentation: nfs: fault_injection: convert to ReST
Documentation: nfs: pnfs-scsi-server: convert to ReST
Documentation: nfs: convert pnfs-block-server to ReST
Documentation: nfs: idmapper: convert to ReST
Documentation: convert nfsd-admin-interfaces to ReST
Documentation: nfs-rdma: convert to ReST
Documentation: nfsroot.rst: COSMETIC: refill a paragraph
Documentation: nfsroot.txt: convert to ReST
Documentation: convert nfs.txt to ReST
Documentation: filesystems: convert vfat.txt to RST
...
|
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Linus Torvalds
|
08a3ef8f6b |
linux-kselftest-5.6-rc1-kunit
This kunit update for Linux 5.6-rc1 consists of: -- Support for building kunit as a module from Alan Maguire -- AppArmor KUnit tests for policy unpack from Mike Salvatore -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAl4xz/wACgkQCwJExA0N Qxyg2A//X0bnhN82oCchkTRW3GyGi5wTR2wGhoNzMZD0XUtCvn+4BlCSP20ttYdT beiLCiewcuEdvXRyEV9Kikvet/67ovbjA/ce6ZrR7TlIHo8esKcy19/nu1OTvtI1 8eji1q7NSEV9iswz1ZoBAw+MTDHZfOI9qYY2UPcwjy7xWN84z2X1w+8UQ3EamOKd 6BfbohsYuuTTHhA2k1aUzvQcHqNz0YdH4yvNQpdunJXLUI04TeGZA6Ug66u6kWEd 1f5SSAu6r1vnU7DADrb1QwEDuIwL4KBuaMg2Rj5GLxTNp3wxmW9M2Dit+iN7+vNH TS31kZW6KgxC5XuGVPENJaWlDX5Hm+5W8uiRZLNXsxDy927u53RzwrSZw/FbdbB1 HuPZZCzE1soWHdPIQz44HCCAg9XddypYlC1o4IYL1JkJknqG12ky4xgM8GRNCZAB oUW3Ax3Lcr0EJALO/kFd/uEbl79PdmDk8uPMU1jtLyx5cs70yC3fsT2GB+DbP802 i/FxTtrOMGjU2OWcYfQcXapvZdgImf9nPsSZe3FJXjHfytNRbVZOZ2rHAMh03Keu EBthDs6ejm6OUSGUXjngE9NaQKXsNSQ1Qor+6FrGnT4IxUMzWenudqHH7/dgF7Fr fHlZGBilKMc/EYKb/6hj4kvEChrSIXj6TFknmI28I/epPiOr2gU= =AFO4 -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-5.6-rc1-kunit' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest kunit updates from Shuah Khan: "This kunit update consists of: - Support for building kunit as a module from Alan Maguire - AppArmor KUnit tests for policy unpack from Mike Salvatore" * tag 'linux-kselftest-5.6-rc1-kunit' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit: building kunit as a module breaks allmodconfig kunit: update documentation to describe module-based build kunit: allow kunit to be loaded as a module kunit: remove timeout dependence on sysctl_hung_task_timeout_seconds kunit: allow kunit tests to be loaded as a module kunit: hide unexported try-catch interface in try-catch-impl.h kunit: move string-stream.h to lib/kunit apparmor: add AppArmor KUnit tests for policy unpack |
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|
Linus Torvalds
|
ce7ae9d9fe |
linux-kselftest-5.6-rc1
This Kselftest update for Linux 5.6-rc1 consists of several fixes to framework and individual tests. In addition, it enables LKDTM tests adding lkdtm target to kselftest Makefile. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAl4xpawACgkQCwJExA0N Qxx8GhAAqj9jXpFs4xqfOn2a3RUCZiH4u6pGE/YQaFLD42AZYRES7P9MjOd3prJN CKlyduMx4JzXubZ9guAKvFw4VAvptKvqjyavT0vBe8VYaXWENr5qAeNtojvv8AT+ twOH/atc37zj81xR/l9OOqIZIgLibDq9GZNTPxgDWdCdG25FY07hfDHjlvg5uVIv +PfF/N5/laMsrmdqUtujGuJt3n6VUatxN8zR67nJs7i1QaoFMbOCvPYVE4beNlE4 pvnTqnkN3dNeQUWA0Qf5E/SbCKA+4ULMhHNvBmifERYi5cCfm6tAIddFpRUNXDXf IHuJ2Rvm5r4lhcUShb38ky3wb3etYDWw4fDE8pNL8yr8fXmg9gmsHHfeR8s625Mn Ly3VfqlOhrDs0uOGzya0NpzZ7gpjfaryjObfQ2t6jlG5O1zt5UtXfA9PhLvwE3VC lg3rrY5UiSaWrqkS9yDlSpKZ8aYeLWhnFLCltmr3o46WaGKhk+1afYvQQOeuYANG QTYnBhnQWzxB4b2q5F3MinRggm5STcG8gAAcNo//yiGtCZTrdsFwvzWBPlYp1m2R 2LlboNYeVKGFXVMqNB0S8/zZaFFoWd3fu+CmhGo4Hy6JqCk3HCuYcORYHrJIlxkB KYm9b1A+sjcmSp80vlX+QK+fzQ03d2krcAqaKKuTjyYnxDxsJg4= =/7fF -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest update from Shuah Khan: "This Kselftest update consists of several fixes to framework and individual tests. In addition, it enables LKDTM tests adding lkdtm target to kselftest Makefile" * tag 'linux-kselftest-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/ftrace: fix glob selftest selftests: settings: tests can be in subsubdirs kselftest: Minimise dependency of get_size on C library interfaces selftests/livepatch: Remove unused local variable in set_ftrace_enabled() selftests/livepatch: Replace set_dynamic_debug() with setup_config() in README selftests/lkdtm: Add tests for LKDTM targets selftests: Uninitialized variable in test_cgcore_proc_migration() selftests: fix build behaviour on targets' failures |
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Linus Torvalds
|
22b17db4ea |
y2038: core, driver and file system changes
These are updates to device drivers and file systems that for some reason or another were not included in the kernel in the previous y2038 series. I've gone through all users of time_t again to make sure the kernel is in a long-term maintainable state, replacing all remaining references to time_t with safe alternatives. Some related parts of the series were picked up into the nfsd, xfs, alsa and v4l2 trees. A final set of patches in linux-mm removes the now unused time_t/timeval/timespec types and helper functions after all five branches are merged for linux-5.6, ensuring that no new users get merged. As a result, linux-5.6, or my backport of the patches to 5.4 [1], should be the first release that can serve as a base for a 32-bit system designed to run beyond year 2038, with a few remaining caveats: - All user space must be compiled with a 64-bit time_t, which will be supported in the coming musl-1.2 and glibc-2.32 releases, along with installed kernel headers from linux-5.6 or higher. - Applications that use the system call interfaces directly need to be ported to use the time64 syscalls added in linux-5.1 in place of the existing system calls. This impacts most users of futex() and seccomp() as well as programming languages that have their own runtime environment not based on libc. - Applications that use a private copy of kernel uapi header files or their contents may need to update to the linux-5.6 version, in particular for sound/asound.h, xfs/xfs_fs.h, linux/input.h, linux/elfcore.h, linux/sockios.h, linux/timex.h and linux/can/bcm.h. - A few remaining interfaces cannot be changed to pass a 64-bit time_t in a compatible way, so they must be configured to use CLOCK_MONOTONIC times or (with a y2106 problem) unsigned 32-bit timestamps. Most importantly this impacts all users of 'struct input_event'. - All y2038 problems that are present on 64-bit machines also apply to 32-bit machines. In particular this affects file systems with on-disk timestamps using signed 32-bit seconds: ext4 with ext3-style small inodes, ext2, xfs (to be fixed soon) and ufs. Changes since v1 [2]: - Add Acks I received - Rebase to v5.5-rc1, dropping patches that got merged already - Add NFS, XFS and the final three patches from another series - Rewrite etnaviv patches - Add one late revert to avoid an etnaviv regression [1] https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/log/?h=y2038-endgame [2] https://lore.kernel.org/lkml/20191108213257.3097633-1-arnd@arndb.de/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJeMYy3AAoJEGCrR//JCVInEGwP/0R+S+ok7vw9OdLVT0lFl07D IcVabgOWf24imN7m7L7Mlt3nDfxIT4tMpiAXq7eMO3spcyViG18O2LXdSQ4/7QBp +BlhoMjOP9w34Jyd7mnkFr4vqQALvfIqkS8rFObDtDub2Rfj9PC36MRMIu8BPXlv RK8bigwJeH/DV38yc5/JeUcD+WuewYLsK9XPWN+4yB4vgGsNU3ZQQ6nnzbR3hMsN DN8WZ68Y7IBs0Kyxkf+s2zmRXtCa2RiFg/2TUsk5olVAJVaenvte69hq5RSbg1vW vLi6K8cBoPWL59nqCzcNE+TUhSUg3LOj/a/KWyl76yovz7AlJaNjssOf8ZjHw6sL MhQqz3hXTxiJDS2Jvbf1yojiYGlzrq/gqcRFGe9jPcZdieMc4/yZCx60G/Exa5Pu YdMcqMyDWPFyUAFQNWEF59HPheOdj6tb1KpJ6bwgCo3P7QqhLrU4z9w3Py4/ZfBO 4sWcWteSsD6MN/ADJ2WQ56nNxzM2AvkeVJKcF6FCkdngXX9T0GExmZz7SqB5Du99 9lNjIiD5E+LBa/Swo/7n49aYa8x06V1pmHYTZVh9Wkl+CZiO21umezQFrWsfaMTp xt3c6pFdMG5xNMGpreTAXOmf2R+T6O8IO2qQq/TYjzqOLH7QC830P7avkmml+cK1 LjOBE2TfSeO8Ru1dXV4t =wx0A -----END PGP SIGNATURE----- Merge tag 'y2038-drivers-for-v5.6-signed' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground Pull y2038 updates from Arnd Bergmann: "Core, driver and file system changes These are updates to device drivers and file systems that for some reason or another were not included in the kernel in the previous y2038 series. I've gone through all users of time_t again to make sure the kernel is in a long-term maintainable state, replacing all remaining references to time_t with safe alternatives. Some related parts of the series were picked up into the nfsd, xfs, alsa and v4l2 trees. A final set of patches in linux-mm removes the now unused time_t/timeval/timespec types and helper functions after all five branches are merged for linux-5.6, ensuring that no new users get merged. As a result, linux-5.6, or my backport of the patches to 5.4 [1], should be the first release that can serve as a base for a 32-bit system designed to run beyond year 2038, with a few remaining caveats: - All user space must be compiled with a 64-bit time_t, which will be supported in the coming musl-1.2 and glibc-2.32 releases, along with installed kernel headers from linux-5.6 or higher. - Applications that use the system call interfaces directly need to be ported to use the time64 syscalls added in linux-5.1 in place of the existing system calls. This impacts most users of futex() and seccomp() as well as programming languages that have their own runtime environment not based on libc. - Applications that use a private copy of kernel uapi header files or their contents may need to update to the linux-5.6 version, in particular for sound/asound.h, xfs/xfs_fs.h, linux/input.h, linux/elfcore.h, linux/sockios.h, linux/timex.h and linux/can/bcm.h. - A few remaining interfaces cannot be changed to pass a 64-bit time_t in a compatible way, so they must be configured to use CLOCK_MONOTONIC times or (with a y2106 problem) unsigned 32-bit timestamps. Most importantly this impacts all users of 'struct input_event'. - All y2038 problems that are present on 64-bit machines also apply to 32-bit machines. In particular this affects file systems with on-disk timestamps using signed 32-bit seconds: ext4 with ext3-style small inodes, ext2, xfs (to be fixed soon) and ufs" [1] https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/log/?h=y2038-endgame * tag 'y2038-drivers-for-v5.6-signed' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground: (21 commits) Revert "drm/etnaviv: reject timeouts with tv_nsec >= NSEC_PER_SEC" y2038: sh: remove timeval/timespec usage from headers y2038: sparc: remove use of struct timex y2038: rename itimerval to __kernel_old_itimerval y2038: remove obsolete jiffies conversion functions nfs: fscache: use timespec64 in inode auxdata nfs: fix timstamp debug prints nfs: use time64_t internally sunrpc: convert to time64_t for expiry drm/etnaviv: avoid deprecated timespec drm/etnaviv: reject timeouts with tv_nsec >= NSEC_PER_SEC drm/msm: avoid using 'timespec' hfs/hfsplus: use 64-bit inode timestamps hostfs: pass 64-bit timestamps to/from user space packet: clarify timestamp overflow tsacct: add 64-bit btime field acct: stop using get_seconds() um: ubd: use 64-bit time_t where possible xtensa: ISS: avoid struct timeval dlm: use SO_SNDTIMEO_NEW instead of SO_SNDTIMEO_OLD ... |
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Linus Torvalds
|
a4fe2b4d87 |
Printk changes for 5.6
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Jens Axboe
|
3e4827b05d |
io_uring: add support for epoll_ctl(2)
This adds IORING_OP_EPOLL_CTL, which can perform the same work as the epoll_ctl(2) system call. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jens Axboe
|
39220e8d4a |
eventpoll: support non-blocking do_epoll_ctl() calls
Also make it available outside of epoll, along with the helper that decides if we need to copy the passed in epoll_event. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jens Axboe
|
58e41a44c4 |
eventpoll: abstract out epoll_ctl() handler
No functional changes in this patch. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jens Axboe
|
f86cd20c94 |
io_uring: fix linked command file table usage
We're not consistent in how the file table is grabbed and assigned if we have a command linked that requires the use of it. Add ->file_table to the io_op_defs[] array, and use that to determine when to grab the table instead of having the handlers set it if they need to defer. This also means we can kill the IO_WQ_WORK_NEEDS_FILES flag. We always initialize work->files, so io-wq can just check for that. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Linus Torvalds
|
3893c2025f |
Changes since last update:
- fix an out-of-bound read access introduced in v5.3,
which could rarely cause data corruption;
- various cleanup patches.
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Merge tag 'erofs-for-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"A regression fix, several cleanups and (maybe) plus an upcoming new
mount api convert patch as a part of vfs update are considered
available for this cycle.
All commits have been in linux-next and tested with no smoke out.
Summary:
- fix an out-of-bound read access introduced in v5.3, which could
rarely cause data corruption
- various cleanup patches"
* tag 'erofs-for-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: clean up z_erofs_submit_queue()
erofs: fold in postsubmit_is_all_bypassed()
erofs: fix out-of-bound read for shifted uncompressed block
erofs: remove void tagging/untagging of workgroup pointers
erofs: remove unused tag argument while registering a workgroup
erofs: remove unused tag argument while finding a workgroup
erofs: correct indentation of an assigned structure inside a function
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Linus Torvalds
|
5307040655 |
Merge branch 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull adfs updates from Al Viro: "adfs stuff for this cycle" * 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (42 commits) fs/adfs: bigdir: Fix an error code in adfs_fplus_read() Documentation: update adfs filesystem documentation fs/adfs: mostly divorse inode number from indirect disc address fs/adfs: super: add support for E and E+ floppy image formats fs/adfs: super: extract filesystem block probe fs/adfs: dir: remove debug in adfs_dir_update() fs/adfs: super: fix inode dropping fs/adfs: bigdir: implement directory update support fs/adfs: bigdir: calculate and validate directory checkbyte fs/adfs: bigdir: directory validation strengthening fs/adfs: bigdir: extract directory validation fs/adfs: bigdir: factor out directory entry offset calculation fs/adfs: newdir: split out directory commit from update fs/adfs: newdir: clean up adfs_f_update() fs/adfs: newdir: merge adfs_dir_read() into adfs_f_read() fs/adfs: newdir: improve directory validation fs/adfs: newdir: factor out directory format validation fs/adfs: dir: use pointers to access directory head/tails fs/adfs: dir: add more efficient iterate() per-format method fs/adfs: dir: switch to iterate_shared method ... |
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Linus Torvalds
|
6aee4badd8 |
Merge branch 'work.openat2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull openat2 support from Al Viro:
"This is the openat2() series from Aleksa Sarai.
I'm afraid that the rest of namei stuff will have to wait - it got
zero review the last time I'd posted #work.namei, and there had been a
leak in the posted series I'd caught only last weekend. I was going to
repost it on Monday, but the window opened and the odds of getting any
review during that... Oh, well.
Anyway, openat2 part should be ready; that _did_ get sane amount of
review and public testing, so here it comes"
From Aleksa's description of the series:
"For a very long time, extending openat(2) with new features has been
incredibly frustrating. This stems from the fact that openat(2) is
possibly the most famous counter-example to the mantra "don't silently
accept garbage from userspace" -- it doesn't check whether unknown
flags are present[1].
This means that (generally) the addition of new flags to openat(2) has
been fraught with backwards-compatibility issues (O_TMPFILE has to be
defined as __O_TMPFILE|O_DIRECTORY|[O_RDWR or O_WRONLY] to ensure old
kernels gave errors, since it's insecure to silently ignore the
flag[2]). All new security-related flags therefore have a tough road
to being added to openat(2).
Furthermore, the need for some sort of control over VFS's path
resolution (to avoid malicious paths resulting in inadvertent
breakouts) has been a very long-standing desire of many userspace
applications.
This patchset is a revival of Al Viro's old AT_NO_JUMPS[3] patchset
(which was a variant of David Drysdale's O_BENEATH patchset[4] which
was a spin-off of the Capsicum project[5]) with a few additions and
changes made based on the previous discussion within [6] as well as
others I felt were useful.
In line with the conclusions of the original discussion of
AT_NO_JUMPS, the flag has been split up into separate flags. However,
instead of being an openat(2) flag it is provided through a new
syscall openat2(2) which provides several other improvements to the
openat(2) interface (see the patch description for more details). The
following new LOOKUP_* flags are added:
LOOKUP_NO_XDEV:
Blocks all mountpoint crossings (upwards, downwards, or through
absolute links). Absolute pathnames alone in openat(2) do not
trigger this. Magic-link traversal which implies a vfsmount jump is
also blocked (though magic-link jumps on the same vfsmount are
permitted).
LOOKUP_NO_MAGICLINKS:
Blocks resolution through /proc/$pid/fd-style links. This is done
by blocking the usage of nd_jump_link() during resolution in a
filesystem. The term "magic-links" is used to match with the only
reference to these links in Documentation/, but I'm happy to change
the name.
It should be noted that this is different to the scope of
~LOOKUP_FOLLOW in that it applies to all path components. However,
you can do openat2(NO_FOLLOW|NO_MAGICLINKS) on a magic-link and it
will *not* fail (assuming that no parent component was a
magic-link), and you will have an fd for the magic-link.
In order to correctly detect magic-links, the introduction of a new
LOOKUP_MAGICLINK_JUMPED state flag was required.
LOOKUP_BENEATH:
Disallows escapes to outside the starting dirfd's
tree, using techniques such as ".." or absolute links. Absolute
paths in openat(2) are also disallowed.
Conceptually this flag is to ensure you "stay below" a certain
point in the filesystem tree -- but this requires some additional
to protect against various races that would allow escape using
"..".
Currently LOOKUP_BENEATH implies LOOKUP_NO_MAGICLINKS, because it
can trivially beam you around the filesystem (breaking the
protection). In future, there might be similar safety checks done
as in LOOKUP_IN_ROOT, but that requires more discussion.
In addition, two new flags are added that expand on the above ideas:
LOOKUP_NO_SYMLINKS:
Does what it says on the tin. No symlink resolution is allowed at
all, including magic-links. Just as with LOOKUP_NO_MAGICLINKS this
can still be used with NOFOLLOW to open an fd for the symlink as
long as no parent path had a symlink component.
LOOKUP_IN_ROOT:
This is an extension of LOOKUP_BENEATH that, rather than blocking
attempts to move past the root, forces all such movements to be
scoped to the starting point. This provides chroot(2)-like
protection but without the cost of a chroot(2) for each filesystem
operation, as well as being safe against race attacks that
chroot(2) is not.
If a race is detected (as with LOOKUP_BENEATH) then an error is
generated, and similar to LOOKUP_BENEATH it is not permitted to
cross magic-links with LOOKUP_IN_ROOT.
The primary need for this is from container runtimes, which
currently need to do symlink scoping in userspace[7] when opening
paths in a potentially malicious container.
There is a long list of CVEs that could have bene mitigated by
having RESOLVE_THIS_ROOT (such as CVE-2017-1002101,
CVE-2017-1002102, CVE-2018-15664, and CVE-2019-5736, just to name a
few).
In order to make all of the above more usable, I'm working on
libpathrs[8] which is a C-friendly library for safe path resolution.
It features a userspace-emulated backend if the kernel doesn't support
openat2(2). Hopefully we can get userspace to switch to using it, and
thus get openat2(2) support for free once it's ready.
Future work would include implementing things like
RESOLVE_NO_AUTOMOUNT and possibly a RESOLVE_NO_REMOTE (to allow
programs to be sure they don't hit DoSes though stale NFS handles)"
* 'work.openat2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
Documentation: path-lookup: include new LOOKUP flags
selftests: add openat2(2) selftests
open: introduce openat2(2) syscall
namei: LOOKUP_{IN_ROOT,BENEATH}: permit limited ".." resolution
namei: LOOKUP_IN_ROOT: chroot-like scoped resolution
namei: LOOKUP_BENEATH: O_BENEATH-like scoped resolution
namei: LOOKUP_NO_XDEV: block mountpoint crossing
namei: LOOKUP_NO_MAGICLINKS: block magic-link resolution
namei: LOOKUP_NO_SYMLINKS: block symlink resolution
namei: allow set_root() to produce errors
namei: allow nd_jump_link() to produce errors
nsfs: clean-up ns_get_path() signature to return int
namei: only return -ECHILD from follow_dotdot_rcu()
|
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Linus Torvalds
|
15d6632496 |
Merge branch 'urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU warning removal from Paul McKenney:
"A single commit that fixes an embarrassing bug discussed here:
https://lore.kernel.org/lkml/20200125131425.GB16136@zn.tnic/
which apparently also affects smaller systems"
[ This was sent to Ingo, but since I see the issue on the laptop I use for
testing during the merge window, I'm doing the pull directly - Linus ]
* 'urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
rcu: Forgive slow expedited grace periods at boot time
|
||
|
Linus Torvalds
|
80b60e3849 |
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Ingo Molnar: "Three objtool fixes, plus marking SFI as obsolete" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Skip samples subdirectory objtool: Fix ARCH=x86_64 build error objtool: Silence build output MAINTAINERS: Mark simple firmware interface (SFI) obsolete |
||
|
Linus Torvalds
|
701a9c8092 |
Char/Misc driver changes for 5.6-rc1
Here is the big char/misc/whatever driver changes for 5.6-rc1 Included in here are loads of things from a variety of different driver subsystems: - soundwire updates - binder updates - nvmem updates - firmware drivers updates - extcon driver updates - various misc driver updates - fpga driver updates - interconnect subsystem and driver updates - bus driver updates - uio driver updates - mei driver updates - w1 driver cleanups - various other small driver updates All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXjFKeQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynjVACgg6JWfOyPCnz3GfRD1vQZyUl+Hg0An1H+Eh08 +LQk5Qpb3vVwBpCp6qR3 =MB+D -----END PGP SIGNATURE----- Merge tag 'char-misc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the big char/misc/whatever driver changes for 5.6-rc1 Included in here are loads of things from a variety of different driver subsystems: - soundwire updates - binder updates - nvmem updates - firmware drivers updates - extcon driver updates - various misc driver updates - fpga driver updates - interconnect subsystem and driver updates - bus driver updates - uio driver updates - mei driver updates - w1 driver cleanups - various other small driver updates All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (86 commits) mei: me: add jasper point DID char: hpet: Use flexible-array member binder: fix log spam for existing debugfs file creation. mei: me: add comet point (lake) H device ids nvmem: add QTI SDAM driver dt-bindings: nvmem: add binding for QTI SPMI SDAM dt-bindings: imx-ocotp: Add i.MX8MP compatible dt-bindings: soundwire: fix example soundwire: cadence: fix kernel-doc parameter descriptions soundwire: intel: report slave_ids for each link to SOF driver siox: Use the correct style for SPDX License Identifier w1: omap-hdq: Simplify driver with PM runtime autosuspend firmware: stratix10-svc: Remove unneeded semicolon firmware: google: Probe for a GSMI handler in firmware firmware: google: Unregister driver_info on failure and exit in gsmi firmware: google: Release devices before unregistering the bus slimbus: qcom: add missed clk_disable_unprepare in remove slimbus: Use the correct style for SPDX License Identifier slimbus: qcom-ngd-ctrl: Use dma_request_chan() instead dma_request_slave_channel() dt-bindings: SLIMBus: add slim devices optional properties ... |
||
|
Linus Torvalds
|
975f9ce9a0 |
Driver core changes for 5.6-rc1
Here is a small set of changes for 5.6-rc1 for the driver core and some
firmware subsystem changes.
Included in here are:
- device.h splitup like you asked for months ago
- devtmpfs minor cleanups
- firmware core minor changes
- debugfs fix for lockdown mode
- kernfs cleanup fix
- cpu topology minor fix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is a small set of changes for 5.6-rc1 for the driver core and
some firmware subsystem changes.
Included in here are:
- device.h splitup like you asked for months ago
- devtmpfs minor cleanups
- firmware core minor changes
- debugfs fix for lockdown mode
- kernfs cleanup fix
- cpu topology minor fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (22 commits)
firmware: Rename FW_OPT_NOFALLBACK to FW_OPT_NOFALLBACK_SYSFS
devtmpfs: factor out common tail of devtmpfs_{create,delete}_node
devtmpfs: initify a bit
devtmpfs: simplify initialization of mount_dev
devtmpfs: factor out setup part of devtmpfsd()
devtmpfs: fix theoretical stale pointer deref in devtmpfsd()
driver core: platform: fix u32 greater or equal to zero comparison
cpu-topology: Don't error on more than CONFIG_NR_CPUS CPUs in device tree
debugfs: Return -EPERM when locked down
driver core: Print device when resources present in really_probe()
driver core: Fix test_async_driver_probe if NUMA is disabled
driver core: platform: Prevent resouce overflow from causing infinite loops
fs/kernfs/dir.c: Clean code by removing always true condition
component: do not dereference opaque pointer in debugfs
drivers/component: remove modular code
debugfs: Fix warnings when building documentation
device.h: move 'struct driver' stuff out to device/driver.h
device.h: move 'struct class' stuff out to device/class.h
device.h: move 'struct bus' stuff out to device/bus.h
device.h: move dev_printk()-like functions to dev_printk.h
...
|
||
|
Linus Torvalds
|
7ba31c3f2f |
Staging/IIO patches for 5.6-rc1
Here is the big staging/iio driver patches for 5.6-rc1
Included in here are:
- lots of new IIO drivers and updates for that subsystem
- the usual huge quantity of minor cleanups for staging drivers
- removal of the following staging drivers:
- isdn/avm
- isdn/gigaset
- isdn/hysdn
- octeon-usb
- octeon ethernet
Overall we deleted far more lines than we added, removing over 40k of
old and obsolete driver code.
All of these changes have been in linux-next for a while with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO updates from Greg KH:
"Here is the big staging/iio driver patches for 5.6-rc1
Included in here are:
- lots of new IIO drivers and updates for that subsystem
- the usual huge quantity of minor cleanups for staging drivers
- removal of the following staging drivers:
- isdn/avm
- isdn/gigaset
- isdn/hysdn
- octeon-usb
- octeon ethernet
Overall we deleted far more lines than we added, removing over 40k of
old and obsolete driver code.
All of these changes have been in linux-next for a while with no
reported issues"
* tag 'staging-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (353 commits)
staging: most: usb: check for NULL device
staging: next: configfs: fix release link
staging: most: core: fix logging messages
staging: most: core: remove container struct
staging: most: remove struct device core driver
staging: most: core: drop device reference
staging: most: remove device from interface structure
staging: comedi: drivers: fix spelling mistake "to" -> "too"
staging: exfat: remove fs_func struct.
staging: wilc1000: avoid mutex unlock without lock in wilc_wlan_handle_txq()
staging: wilc1000: return zero on success and non-zero on function failure
staging: axis-fifo: replace spinlock with mutex
staging: wilc1000: remove unused code prior to throughput enhancement in SPI
staging: wilc1000: added 'wilc_' prefix for 'struct assoc_resp' name
staging: wilc1000: move firmware API struct's to separate header file
staging: wilc1000: remove use of infinite loop conditions
staging: kpc2000: rename variables with kpc namespace
staging: vt6656: Remove memory buffer from vnt_download_firmware.
staging: vt6656: Just check NEWRSR_DECRYPTOK for RX_FLAG_DECRYPTED.
staging: vt6656: Use vnt_rx_tail struct for tail variables.
...
|
||
|
Linus Torvalds
|
ca9b5b6283 |
TTY/Serial driver updates for 5.6-rc1
Here are the big set of tty and serial driver updates for 5.6-rc1 Included in here are: - dummy_con cleanups (touches lots of arch code) - sysrq logic cleanups (touches lots of serial drivers) - samsung driver fixes (wasn't really being built) - conmakeshash move to tty subdir out of scripts - lots of small tty/serial driver updates All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXjFRBg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yn2VACgkge7vTeUNeZFc+6F4NWphAQ5tCQAoK/MMbU6 0O8ef7PjFwCU4s227UTv =6m40 -----END PGP SIGNATURE----- Merge tag 'tty-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver updates from Greg KH: "Here are the big set of tty and serial driver updates for 5.6-rc1 Included in here are: - dummy_con cleanups (touches lots of arch code) - sysrq logic cleanups (touches lots of serial drivers) - samsung driver fixes (wasn't really being built) - conmakeshash move to tty subdir out of scripts - lots of small tty/serial driver updates All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits) tty: n_hdlc: Use flexible-array member and struct_size() helper tty: baudrate: SPARC supports few more baud rates tty: baudrate: Synchronise baud_table[] and baud_bits[] tty: serial: meson_uart: Add support for kernel debugger serial: imx: fix a race condition in receive path serial: 8250_bcm2835aux: Document struct bcm2835aux_data serial: 8250_bcm2835aux: Use generic remapping code serial: 8250_bcm2835aux: Allocate uart_8250_port on stack serial: 8250_bcm2835aux: Suppress register_port error on -EPROBE_DEFER serial: 8250_bcm2835aux: Suppress clk_get error on -EPROBE_DEFER serial: 8250_bcm2835aux: Fix line mismatch on driver unbind serial_core: Remove unused member in uart_port vt: Correct comment documenting do_take_over_console() vt: Delete comment referencing non-existent unbind_con_driver() arch/xtensa/setup: Drop dummy_con initialization arch/x86/setup: Drop dummy_con initialization arch/unicore32/setup: Drop dummy_con initialization arch/sparc/setup: Drop dummy_con initialization arch/sh/setup: Drop dummy_con initialization arch/s390/setup: Drop dummy_con initialization ... |
||
|
Linus Torvalds
|
aac9662671 |
USB/Thunderbolt/PHY driver updates for 5.6-rc1
Here is the big USB and Thunderbolt and PHY driver updates for 5.6-rc1. With the advent of USB4, "Thunderbolt" has really become USB4, so the renaming of the Kconfig option and starting to share subsystem code has begun, hence both subsystems coming in through the same tree here. PHY driver updates also touched USB drivers, so that is coming in through here as well. Major stuff included in here are: - USB 4 initial support added (i.e. Thunderbolt) - musb driver updates - USB gadget driver updates - PHY driver updates - USB PHY driver updates - lots of USB serial stuff fixed up - USB typec updates - USB-IP fixes - lots of other smaller USB driver updates All of these have been in linux-next for a while now (the usb-serial tree is already tested in linux-next on its own before merged into here), with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXjFTNw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynpKQCgrh2FoobS2x0oFg/OUHdjokQV/BYAoJGWLOmt 8S5cnsCuLq3w5qpCcBva =PMGd -----END PGP SIGNATURE----- Merge tag 'usb-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB/Thunderbolt/PHY driver updates from Greg KH: "Here is the big USB and Thunderbolt and PHY driver updates for 5.6-rc1. With the advent of USB4, "Thunderbolt" has really become USB4, so the renaming of the Kconfig option and starting to share subsystem code has begun, hence both subsystems coming in through the same tree here. PHY driver updates also touched USB drivers, so that is coming in through here as well. Major stuff included in here are: - USB 4 initial support added (i.e. Thunderbolt) - musb driver updates - USB gadget driver updates - PHY driver updates - USB PHY driver updates - lots of USB serial stuff fixed up - USB typec updates - USB-IP fixes - lots of other smaller USB driver updates All of these have been in linux-next for a while now (the usb-serial tree is already tested in linux-next on its own before merged into here), with no reported issues" [ Removed an incorrect compile test enablement for PHY_EXYNOS5250_SATA that causes configuration warnings - Linus ] * tag 'usb-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (207 commits) Doc: ABI: add usb charger uevent usb: phy: show USB charger type for user usb: cdns3: fix spelling mistake and rework grammar in text usb: phy: phy-gpio-vbus-usb: Convert to GPIO descriptors USB: serial: cyberjack: fix spelling mistake "To" -> "Too" USB: serial: ir-usb: simplify endpoint check USB: serial: ir-usb: make set_termios synchronous USB: serial: ir-usb: fix IrLAP framing USB: serial: ir-usb: fix link-speed handling USB: serial: ir-usb: add missing endpoint sanity check usb: typec: fusb302: fix "op-sink-microwatt" default that was in mW usb: typec: wcove: fix "op-sink-microwatt" default that was in mW usb: dwc3: pci: add ID for the Intel Comet Lake -V variant usb: typec: tcpci: mask event interrupts when remove driver usb: host: xhci-tegra: set MODULE_FIRMWARE for tegra186 usb: chipidea: add inline for ci_hdrc_host_driver_init if host is not defined usb: chipidea: handle single role for usb role class usb: musb: fix spelling mistake: "periperal" -> "peripheral" phy: ti: j721e-wiz: Fix build error without CONFIG_OF_ADDRESS USB: usbfs: Always unlink URBs in reverse order ... |
||
|
Linus Torvalds
|
6ba3d7066c |
This is the bulk of pin control changes for the v5.6 kernel cycle:
Core changes:
- Dropped the chained IRQ setup callback into GPIOLIB as we
got rid of the last users of that in this changeset.
New drivers:
- New driver for Ingenic X1830.
- New driver for Freescale i.MX8MP.
Driver enhancements:
- Fix all remaining Intel drivers to pass their IRQ chips
along with the GPIO chips.
- Intel Baytrail allocates its irqchip dynamically.
- Intel Lynxpoint is thoroughly rewritten and modernized.
- Aspeed AST2600 pin muxing and configuration is much
improved.
- Qualcomm SC7180 functions are updated and wakeup interrupt
map is provided.
- A whole slew of Renesas SH-PFC cleanups and improvements.
- Fix up the Intel DT bindings to use the generic YAML
DT bindings schema. (A first user of this.)
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Merge tag 'pinctrl-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes, nothing too exciting about
this.
Some changes hit arch/sh and arch/arm but are well isolated and
acknowledged by the respective arch maintainers.
Core changes:
- Dropped the chained IRQ setup callback into GPIOLIB as we got rid
of the last users of that in this changeset.
New drivers:
- New driver for Ingenic X1830.
- New driver for Freescale i.MX8MP.
Driver enhancements:
- Fix all remaining Intel drivers to pass their IRQ chips along with
the GPIO chips.
- Intel Baytrail allocates its irqchip dynamically.
- Intel Lynxpoint is thoroughly rewritten and modernized.
- Aspeed AST2600 pin muxing and configuration is much improved.
- Qualcomm SC7180 functions are updated and wakeup interrupt map is
provided.
- A whole slew of Renesas SH-PFC cleanups and improvements.
- Fix up the Intel DT bindings to use the generic YAML DT bindings
schema (a first user of this)"
* tag 'pinctrl-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (99 commits)
pinctrl: madera: Remove extra blank line
pinctrl: qcom: Don't lock around irq_set_irq_wake()
pinctrl: mvebu: armada-37xx: use use platform api
gpio: Drop the chained IRQ handler assign function
pinctrl: freescale: Add i.MX8MP pinctrl driver support
dt-bindings: imx: Add pinctrl binding doc for i.MX8MP
pinctrl: tigerlake: Tiger Lake uses _HID enumeration
pinctrl: sunrisepoint: Add Coffee Lake-S ACPI ID
pinctrl: iproc: Use platform_get_irq_optional() to avoid error message
pinctrl: dt-bindings: Fix some errors in the lgm and pinmux schema
pinctrl: intel: Pass irqchip when adding gpiochip
pinctrl: intel: Add GPIO <-> pin mapping ranges via callback
pinctrl: baytrail: Replace WARN with dev_info_once when setting direct-irq pin to output
pinctrl: baytrail: Do not clear IRQ flags on direct-irq enabled pins
pinctrl: sunrisepoint: Add missing Interrupt Status register offset
pinctrl: sh-pfc: Split R-Car H3 support in two independent drivers
pinctrl: artpec6: fix __iomem on reg in set
pinctrl: ingenic: Use devm_platform_ioremap_resource()
pinctrl: ingenic: Factorize irq_set_type function
pinctrl: ingenic: Remove duplicated ingenic_chip_info structures
...
|
||
|
Linus Torvalds
|
fa889d8555 |
This is the bulk of GPIO changes for the v5.6 kernel cycle
Core changes:
- Document the usecases for the kernelspace vs userspace
handling of GPIOs.
- Handle MSI (message signalled interrupts) properly in the
core hierarchical irqdomain code.
- Fix a rare race condition while initializing the descriptor
array.
New drivers:
- Xylon LogiCVC GPIO driver.
- WDC934x GPIO controller driver.
Driver improvements:
- Implemented suspend/resume in the Tegra driver.
- MPC8xx edge detection fixup.
- Properly convert ThunderX to use hierarchical irqdomain
with GPIOLIB_IRQCHIP on top of the revert of the previous
buggy switchover. This time it works (hopefully).
Misc:
- Drop a FMC remnant file <linux/ipmi-fru.h>
- A slew of fixes.
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Merge tag 'gpio-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v5.6 kernel cycle.
This is a pretty calm cycle so far, nothing special going on really.
Some more changes will come in from the irqchip and pin control trees.
I also deleted an orphan include file for FMC that was dangling since
subsystem was removed.
Core changes:
- Document the usecases for the kernelspace vs userspace handling of
GPIOs.
- Handle MSI (message signalled interrupts) properly in the core
hierarchical irqdomain code.
- Fix a rare race condition while initializing the descriptor array.
New drivers:
- Xylon LogiCVC GPIO driver.
- WDC934x GPIO controller driver.
Driver improvements:
- Implemented suspend/resume in the Tegra driver.
- MPC8xx edge detection fixup.
- Properly convert ThunderX to use hierarchical irqdomain with
GPIOLIB_IRQCHIP on top of the revert of the previous buggy
switchover. This time it works (hopefully).
Misc:
- Drop a FMC remnant file <linux/ipmi-fru.h>
- A slew of fixes"
* tag 'gpio-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (48 commits)
MAINTAINERS: Replace Tien Hock Loh as Altera PIO maintainer
gpiolib: hold gpio devices lock until ->descs array is initialised
gpio: aspeed-sgpio: fixed typos
gpio: mvebu: clear irq in edge cause register before unmask edge irq
gpiolib: Lower verbosity when allocating hierarchy irq
gpiolib: Remove duplicated function gpio_do_set_config()
gpio: Fix the no return statement warning
gpio: wcd934x: Add support to wcd934x gpio controller
gpiolib: remove set but not used variable 'config'
gpio: vx855: fixed a typo
gpio: mockup: sort headers alphabetically
gpio: mockup: update the license tag
gpio: Remove the unused flags
gpiolib: Set lockdep class for hierarchical irq domains
gpio: thunderx: Switch to GPIOLIB_IRQCHIP
gpiolib: Add the support for the msi parent domain
gpiolib: Add support for the irqdomain which doesn't use irq_fwspec as arg
gpio: Add use guidance documentation
dt-bindings: gpio: wcd934x: Add bindings for gpio
gpio: altera: change to platform_get_irq_optional to avoid false-positive error
...
|
||
|
Linus Torvalds
|
b3a6082223 |
Merge branch 'for-v5.6' of git://git.kernel.org:/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem update from James Morris: "Just one minor fix this time" * 'for-v5.6' of git://git.kernel.org:/pub/scm/linux/kernel/git/jmorris/linux-security: security: remove EARLY_LSM_COUNT which never used |
||
|
Linus Torvalds
|
73a0bff205 |
Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull IMA updates from Mimi Zohar:
"Two new features - measuring certificates and querying IMA for a file
hash - and three bug fixes:
- Measuring certificates is like the rest of IMA, based on policy,
but requires loading a custom policy. Certificates loaded onto a
keyring, for example during early boot, before a custom policy has
been loaded, are queued and only processed after loading the custom
policy.
- IMA calculates and caches files hashes. Other kernel subsystems,
and possibly kernel modules, are interested in accessing these
cached file hashes.
The bug fixes prevent classifying a file short read (e.g. shutdown) as
an invalid file signature, add a missing blank when displaying the
securityfs policy rules containing LSM labels, and, lastly, fix the
handling of the IMA policy information for unknown LSM labels"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
IMA: Defined delayed workqueue to free the queued keys
IMA: Call workqueue functions to measure queued keys
IMA: Define workqueue for early boot key measurements
IMA: pre-allocate buffer to hold keyrings string
ima: ima/lsm policy rule loading logic bug fixes
ima: add the ability to query the cached hash of a given file
ima: Add a space after printing LSM rules for readability
IMA: fix measuring asymmetric keys Kconfig
IMA: Read keyrings= option from the IMA policy
IMA: Add support to limit measuring keys
KEYS: Call the IMA hook to measure keys
IMA: Define an IMA hook to measure keys
IMA: Add KEY_CHECK func to measure keys
IMA: Check IMA policy flag
ima: avoid appraise error for hash calc interrupt
|
||
|
Linus Torvalds
|
2cf64d7cb2 |
Hello, Linus.
One "int -> atomic_t" conversion patch for suppressing KCSAN's warning. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAABAgAGBQJeL7ThAAoJEEJfEo0MZPUqXxsP/3wht/gXCor+j8qnaGmNBlvA CXSmF/1Q0YkqbHDMGw+mtL1a372lb7uBWm2DVXsYXxAf5V5/ua9vfefCa8VSP/+x iVKF4yr0ddKXEDAuRKn+hsrN+UB3pYEvFy8DhfOgc8aSmNsrSEp42FyX0lV2MHuR VJoPjw4fr3pupxiSqLZUY8dXMvoO7vzfS9c01la+MJDCa9/Qqo7NakeszA24yPEt Cfz9zw6oui8PhYkEm+3rBTB3o1fInUYW1CBu7vS63GD07Mtmq9nWXzSnkQYFxngb kzqt7WNYPYKyOj+6BOi9b+BS7C7WKqsnoIlUotYvIhG5CxovUEr+6aQdo52HGMMq nG7ruDkBTBfNyLsYlQVP2mgZuYkFYeKsG2/Fwomt8wj99s0XbPlbyyF0fMaH/kU4 qszsyG3Szps7oPHV6Pvi+aX3N3DOos3Qq7S22O2QjtwheEMUfdZUzjmuLp0T1hX3 QSjBwMLDShF+dA2jvSuLOOyjHFAd+ZCkdyYZfVFbwIzraRoS8a+umArjnFbrWn9/ xZ5Ts9M3sG/m7zNh0ULx3r3g9djTg37643LMM6smyYxBjx92ZT8ojjXi8fBf/uwB TpkzF1muEsdtqAcpTLX8y+iAMYlFR3m5nUzNKZGJgOFsSaA6+dOUso1ErsWf/vHO hwbWvuoWVSnhO+lA9I4+ =ygGl -----END PGP SIGNATURE----- Merge tag 'tomoyo-pr-20200128' of git://git.osdn.net/gitroot/tomoyo/tomoyo-test1 Pull tomoyo update from Tetsuo Handa: "One 'int' -> 'atomic_t' conversion patch to suppress KCSAN's warning" * tag 'tomoyo-pr-20200128' of git://git.osdn.net/gitroot/tomoyo/tomoyo-test1: tomoyo: Use atomic_t for statistics counter |
||
|
Linus Torvalds
|
740eaf7d4d |
s390 updates for the 5.6 merge window
- Add clang 10 build support. - Fix BUG() implementation to contain precise bug address, which is relevant for kprobes. - Make ftraced function appear in a stacktrace. - Minor perf improvements and refactoring. - Possible deadlock and recovery fixes in pci code. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE3QHqV+H2a8xAv27vjYWKoQLXFBgFAl4wVuIACgkQjYWKoQLX FBijMAf9EiLpg3ZmCsd4JMYup7XPpnDoey4S6X1MwoAFgnsQS3qRdwdQCjRyGMxV VN0q5aG9WRH5YpO8YgyPPzrZ0fVo/0BDEuckZ/eNXAKPPGVVpAEXcgQ+R4QD+6+U OgAym/3q27CwNeUp9XDzZ5jjXhL8Y+v3S900OoxTbn6YHx/0K+FDdJSmysnB+4aG 5JDjMH42MrKstVlY3van3A4WNs5vBNLx+pLUhcsENLio1Ni01qHkRh28GLzrkDrA q/VonLFxjFlzQ2F0D5HTVT9nk+Z1RstMq92gUZLOK/tEd036f/j+TMyVm6WG98OV VEXz2ByH19ur2Inw8nTCOPeN1X44Lw== =4l6g -----END PGP SIGNATURE----- Merge tag 's390-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Vasily Gorbik: - Add clang 10 build support. - Fix BUG() implementation to contain precise bug address, which is relevant for kprobes. - Make ftraced function appear in a stacktrace. - Minor perf improvements and refactoring. - Possible deadlock and recovery fixes in pci code. * tag 's390-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: fix __EMIT_BUG() macro s390/ftrace: generate traced function stack frame s390: adjust -mpacked-stack support check for clang 10 s390/jump_label: use "i" constraint for clang s390/cpum_sf: Use DIV_ROUND_UP s390/cpum_sf: Use kzalloc and minor changes s390/cpum_sf: Convert debug trace to common layout s390/pci: Fix possible deadlock in recover_store() s390/pci: Recover handle in clp_set_pci_fn() |
||
|
Linus Torvalds
|
fad7bdc9b0 |
This pull request contains the following changes for UML:
- Fix for time travel mode - Disable CONFIG_CONSTRUCTORS again - A new command line option to have an non-raw serial line - Preparations to remove obsolete UML network drivers -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAl4k2EYWHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wTe2EACDEsoWZvvKnocFH/umFfZdxciU Ys5noEPElnILVIwV+Gm9SHq/RQWzG8BqSOirfOn1iGhEqWjDTPzwqPuqFGxKtRVp VoaYDA506oDH903i4vj1OuGDHxgModEmR/GFqU9uEtXUws2qbeZQcG0COkquJU8X URMz4XB+KLqDI2TvOTnbWevjJnslwLIqRuDdZ2q0d685J1XhRhuq/srgZGMiUpGn 4H/E4k0UxlC082oh9QWRFYYyc6vhyvlguupphzBgICZQmP4P4ck3pe23OT+vOWBl +e2ti9MlB9/Tv3dGhzmq2180U0D74RvtHIi7RjUdaTcEoOkgDwXqKsZ1CY4kCV78 mxrXHCE6YUMvsQcTBxobXYD/zUXeqXtlSHyGQ4MUATCvI6ag8vWKWjGXV/kDVWdf FEeL0O6AHjruTrPxi1aSJ3TFG+JerXCGZpSt2DG67sCcWJ/RqYnrs45DF4U6ywf4 BQ/nA0bpdZouLrhtCS6yBRvPiA5TVXHmrQMpK/LsOpBD4sKCV+MXghbYoWAwcSoM H+RSpf1em3zQrlRcuNPW8XGVkqOmUKn9pFzT9ybWv0h2hVhrDiutjJEPgbpJooIr yB0G/MVTtk3Xrok2lq8TT+Hp13TWCTFynsmKYvgv4s37p5jA5fvKL0vhdhIlAxHE FCyGsZIkAcMLfjvC3Q== =yi/o -----END PGP SIGNATURE----- Merge tag 'for-linus-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Anton Ivanov: "I am sending this on behalf of Richard who is traveling. This contains the following changes for UML: - Fix for time travel mode - Disable CONFIG_CONSTRUCTORS again - A new command line option to have an non-raw serial line - Preparations to remove obsolete UML network drivers" * tag 'for-linus-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: Fix time-travel=inf-cpu with xor/raid6 Revert "um: Enable CONFIG_CONSTRUCTORS" um: Mark non-vector net transports as obsolete um: Add an option to make serial driver non-raw |
||
|
Linus Torvalds
|
a78416d974 |
Kprobe events added "ustring" to distinguish reading strings from kernel space
or user space. But the creating of the event format file only checks for "string" to display string formats. "ustring" must also be handled. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCXi8JRxQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qvaiAP943Srl0C1NHuKtJGHpYkgHJRt4mPFO 569Wx82a2ODH4AEA/D8uda0+p0wJB/uDnd/VyhTeb1nAjqzhx4pfGPNjaw8= =lu3h -----END PGP SIGNATURE----- Merge tag 'trace-v5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "Kprobe events added 'ustring' to distinguish reading strings from kernel space or user space. But the creating of the event format file only checks for 'string' to display string formats. 'ustring' must also be handled" * tag 'trace-v5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/kprobes: Have uname use __get_str() in print_fmt |
||
|
Jens Axboe
|
75c6a03904 |
io_uring: support using a registered personality for commands
For personalities previously registered via IORING_REGISTER_PERSONALITY, allow any command to select them. This is done through setting sqe->personality to the id returned from registration, and then flagging sqe->flags with IOSQE_PERSONALITY. Reviewed-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Jens Axboe
|
071698e13a |
io_uring: allow registering credentials
If an application wants to use a ring with different kinds of credentials, it can register them upfront. We don't lookup credentials, the credentials of the task calling IORING_REGISTER_PERSONALITY is used. An 'id' is returned for the application to use in subsequent personality support. Reviewed-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
Pavel Begunkov
|
24369c2e3b |
io_uring: add io-wq workqueue sharing
If IORING_SETUP_ATTACH_WQ is set, it expects wq_fd in io_uring_params to be a valid io_uring fd io-wq of which will be shared with the newly created io_uring instance. If the flag is set but it can't share io-wq, it fails. This allows creation of "sibling" io_urings, where we prefer to keep the SQ/CQ private, but want to share the async backend to minimize the amount of overhead associated with having multiple rings that belong to the same backend. Reported-by: Jens Axboe <axboe@kernel.dk> Reported-by: Daurnimator <quae@daurnimator.com> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Pavel Begunkov
|
eba6f5a330 |
io-wq: allow grabbing existing io-wq
Export a helper to attach to an existing io-wq, rather than setting up a new one. This is doable now that we have reference counted io_wq's. Reported-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Jens Axboe
|
cccf0ee834 |
io_uring/io-wq: don't use static creds/mm assignments
We currently setup the io_wq with a static set of mm and creds. Even for a single-use io-wq per io_uring, this is suboptimal as we have may have multiple enters of the ring. For sharing the io-wq backend, it doesn't work at all. Switch to passing in the creds and mm when the work item is setup. This means that async work is no longer deferred to the io_uring mm and creds, it is done with the current mm and creds. Flag this behavior with IORING_FEAT_CUR_PERSONALITY, so applications know they can rely on the current personality (mm and creds) being the same for direct issue and async issue. Reviewed-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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|
Linus Torvalds
|
abb22e44cf |
- Depromote debug print on the db8500 platform (Linus Walleij)
- Fix compilation warning when compiling with make W=1 (Amit Kucheria) - Code cleanup and refactoring, regmap conversion and add hwmon support on Qoriq (Andrey Smirnov) - Add an idle injection cpu cooling device and its documentation, rename the cpu_cooling device to cpufreq_cooling device (Daniel Lezcano) - Convert unexported functions to static, add the __init annotation in the thermal-of code and remove the pointless wrapper functions (Daniel Lezcano) - Fix register offset for Armada XP and register reset bit initialization (Zak Hays) - Enable hwmon on the rockchip (Stefan Schaeckeler) - Add the thermal sensor for the H6/H5/H3/A64/A83T/R40 sun8i platform and their device tree bindings, followed by a fix for the ths number and the sparse warnings (Yangtao Li) - Code cleansup for the sun8i and hwmon support (Yangtao Li) - Silent some messages which are misleading given the changes made in the previous version on generic-adc (Martin Blumenstingl) - Rename exynos to Exynos (Krzysztof Kozlowski) - Add the bcm2711 thermal driver with the device tree bindings (Stefan Wahren) - Use usleep_range() instead of udelay() as the call is always done in a sleep-able context (Geert Uytterhoeven) - Do code cleanup and re-organization to set the scene for a new process for the brcmstb (Florian Fainelli) - Fix bindings check issues on brcm (Stefan Wahren) - Add Jasper Lake support on int340x (Nivedita Swaminathan) - Add Comet Lake support on intel pch (Gayatri Kammela) - Fix unmatched pci_release_region() on x86 (Chuhong Yuan) - Remove temperature boundaries for rcar and rcar3 (Niklas Söderlund) - Fix return value to -ENODEV when thermal_zone_of_sensor_register() is called with the of-node is missing (Peter Mamonov) - Code cleanup, interrupt bouncing, and better support on stm32 (Pascal Paillet) -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRuKdf4M92Gi9vqihve5qtOL396pgUCXjAFCAAKCRDe5qtOL396 prIfAQCjhNWKqP3U4oewia9p8dwwfsOpJMqUXge/k6sKzAqscAD/Rg4lWXaayOsX OWKhS/iL5eN7aXVnSH4MxONsTWhLTAs= =eZkX -----END PGP SIGNATURE----- Merge tag 'thermal-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux Pull thermal updates from Daniel Lezcano: - Depromote debug print on the db8500 platform (Linus Walleij) - Fix compilation warning when compiling with make W=1 (Amit Kucheria) - Code cleanup and refactoring, regmap conversion and add hwmon support on Qoriq (Andrey Smirnov) - Add an idle injection cpu cooling device and its documentation, rename the cpu_cooling device to cpufreq_cooling device (Daniel Lezcano) - Convert unexported functions to static, add the __init annotation in the thermal-of code and remove the pointless wrapper functions (Daniel Lezcano) - Fix register offset for Armada XP and register reset bit initialization (Zak Hays) - Enable hwmon on the rockchip (Stefan Schaeckeler) - Add the thermal sensor for the H6/H5/H3/A64/A83T/R40 sun8i platform and their device tree bindings, followed by a fix for the ths number and the sparse warnings (Yangtao Li) - Code cleansup for the sun8i and hwmon support (Yangtao Li) - Silent some messages which are misleading given the changes made in the previous version on generic-adc (Martin Blumenstingl) - Rename exynos to Exynos (Krzysztof Kozlowski) - Add the bcm2711 thermal driver with the device tree bindings (Stefan Wahren) - Use usleep_range() instead of udelay() as the call is always done in a sleep-able context (Geert Uytterhoeven) - Do code cleanup and re-organization to set the scene for a new process for the brcmstb (Florian Fainelli) - Fix bindings check issues on brcm (Stefan Wahren) - Add Jasper Lake support on int340x (Nivedita Swaminathan) - Add Comet Lake support on intel pch (Gayatri Kammela) - Fix unmatched pci_release_region() on x86 (Chuhong Yuan) - Remove temperature boundaries for rcar and rcar3 (Niklas Söderlund) - Fix return value to -ENODEV when thermal_zone_of_sensor_register() is called with the of-node is missing (Peter Mamonov) - Code cleanup, interrupt bouncing, and better support on stm32 (Pascal Paillet) * tag 'thermal-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (66 commits) thermal: stm32: Fix low threshold interrupt flood thermal: stm32: Improve temperature computing thermal: stm32: Handle multiple trip points thermal: stm32: Disable interrupts at probe thermal: stm32: Rework sensor mode management thermal: stm32: Fix icifr register name thermal: of: Make thermal_zone_of_sensor_register return -ENODEV if a sensor OF node is missing thermal: rcar_gen3_thermal: Remove temperature bound thermal: rcar_thermal: Remove temperature bound thermal: intel: intel_pch_thermal: Add Comet Lake (CML) platform support thermal: intel: Fix unmatched pci_release_region thermal: int340x: processor_thermal: Add Jasper Lake support dt-bindings: brcm,avs-ro-thermal: Fix binding check issues thermal: brcmstb_thermal: Register different ops per process thermal: brcmstb_thermal: Restructure interrupt registration thermal: brcmstb_thermal: Add 16nm process thermal parameters dt-bindings: thermal: Define BCM7216 thermal sensor compatible thermal: brcmstb_thermal: Prepare to support a different process thermal: brcmstb_thermal: Do not use DT coefficients thermal: rcar_thermal: Use usleep_range() instead of udelay() ... |
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|
Linus Torvalds
|
fb95aae6e6 |
sound updates for 5.6-rc1
As diffstat shows we've had again a lot of works done for this cycle:
majority of changes are the continued componentization and code
refactoring in ASoC, the tree-wide PCM API updates and cleanups
and SOF updates while a few ASoC driver updates are seen, too.
Here we go, some highlights:
Core:
- Finally y2038 support landed to ALSA ABI;
some ioctls have been extended and lots of tricks were applied
- Applying the new managed PCM buffer API to all drivers;
the API itself was already merged in 5.5
- The already deprecated dimension support in ALSA control API is
dropped completely now
- Verification of ALSA control elements to catch API misuses
ASoC:
- Further code refactorings and moving things to the component level
- Lots of updates and improvements on SOF / Intel drivers;
now including common HDMI driver and SoundWire support
- New driver support for Ingenic JZ4770, Mediatek MT6660, Qualcomm
WCD934x and WSA881x, and Realtek RT700, RT711, RT715, RT1011, RT1015
and RT1308
HD-audio:
- Improved ring-buffer communications using waitqueue
- Drop the superfluous buffer preallocation on x86
Others:
- Many code cleanups, mostly constifications over the whole tree
- USB-audio: quirks for MOTU, Corsair Virtuoso, Line6 Helix
- FireWire: code refactoring for oxfw and dice drivers
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Merge tag 'sound-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"As the diffstat shows we've had again a lot of works done for this
cycle: the majority of changes are the continued componentization and
code refactoring in ASoC, the tree-wide PCM API updates and cleanups
and SOF updates while a few ASoC driver updates are seen, too.
Here we go, some highlights:
Core:
- Finally y2038 support landed to ALSA ABI; some ioctls have been
extended and lots of tricks were applied
- Applying the new managed PCM buffer API to all drivers; the API
itself was already merged in 5.5
- The already deprecated dimension support in ALSA control API is
dropped completely now
- Verification of ALSA control elements to catch API misuses
ASoC:
- Further code refactorings and moving things to the component level
- Lots of updates and improvements on SOF / Intel drivers; now
including common HDMI driver and SoundWire support
- New driver support for Ingenic JZ4770, Mediatek MT6660, Qualcomm
WCD934x and WSA881x, and Realtek RT700, RT711, RT715, RT1011,
RT1015 and RT1308
HD-audio:
- Improved ring-buffer communications using waitqueue
- Drop the superfluous buffer preallocation on x86
Others:
- Many code cleanups, mostly constifications over the whole tree
- USB-audio: quirks for MOTU, Corsair Virtuoso, Line6 Helix
- FireWire: code refactoring for oxfw and dice drivers"
* tag 'sound-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (638 commits)
ALSA: usb-audio: add quirks for Line6 Helix devices fw>=2.82
ALSA: hda: Add Clevo W65_67SB the power_save blacklist
ASoC: soc-core: remove null_snd_soc_ops
ASoC: soc-pcm: add soc_rtd_trigger()
ASoC: soc-pcm: add soc_rtd_hw_free()
ASoC: soc-pcm: add soc_rtd_hw_params()
ASoC: soc-pcm: add soc_rtd_prepare()
ASoC: soc-pcm: add soc_rtd_shutdown()
ASoC: soc-pcm: add soc_rtd_startup()
ASoC: rt1015: add rt1015 amplifier driver
ASoC: madera: Correct some kernel doc
ASoC: topology: fix soc_tplg_fe_link_create() - link->dobj initialization order
ASoC: Intel: skl_hda_dsp_common: Fix global-out-of-bounds bug
ASoC: madera: Correct DMIC only input hook ups
ALSA: cs46xx: fix spelling mistake "to" -> "too"
ALSA: hda - Add docking station support for Lenovo Thinkpad T420s
ASoC: Add MediaTek MT6660 Speaker Amp Driver
ASoC: dt-bindings: rt5645: add suppliers
ASoC: max98090: fix deadlock in max98090_dapm_put_enum_double()
ASoC: dapm: add snd_soc_dapm_put_enum_double_locked
...
|
||
|
Linus Torvalds
|
bd2463ac7d |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:
1) Add WireGuard
2) Add HE and TWT support to ath11k driver, from John Crispin.
3) Add ESP in TCP encapsulation support, from Sabrina Dubroca.
4) Add variable window congestion control to TIPC, from Jon Maloy.
5) Add BCM84881 PHY driver, from Russell King.
6) Start adding netlink support for ethtool operations, from Michal
Kubecek.
7) Add XDP drop and TX action support to ena driver, from Sameeh
Jubran.
8) Add new ipv4 route notifications so that mlxsw driver does not have
to handle identical routes itself. From Ido Schimmel.
9) Add BPF dynamic program extensions, from Alexei Starovoitov.
10) Support RX and TX timestamping in igc, from Vinicius Costa Gomes.
11) Add support for macsec HW offloading, from Antoine Tenart.
12) Add initial support for MPTCP protocol, from Christoph Paasch,
Matthieu Baerts, Florian Westphal, Peter Krystad, and many others.
13) Add Octeontx2 PF support, from Sunil Goutham, Geetha sowjanya, Linu
Cherian, and others.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1469 commits)
net: phy: add default ARCH_BCM_IPROC for MDIO_BCM_IPROC
udp: segment looped gso packets correctly
netem: change mailing list
qed: FW 8.42.2.0 debug features
qed: rt init valid initialization changed
qed: Debug feature: ilt and mdump
qed: FW 8.42.2.0 Add fw overlay feature
qed: FW 8.42.2.0 HSI changes
qed: FW 8.42.2.0 iscsi/fcoe changes
qed: Add abstraction for different hsi values per chip
qed: FW 8.42.2.0 Additional ll2 type
qed: Use dmae to write to widebus registers in fw_funcs
qed: FW 8.42.2.0 Parser offsets modified
qed: FW 8.42.2.0 Queue Manager changes
qed: FW 8.42.2.0 Expose new registers and change windows
qed: FW 8.42.2.0 Internal ram offsets modifications
MAINTAINERS: Add entry for Marvell OcteonTX2 Physical Function driver
Documentation: net: octeontx2: Add RVU HW and drivers overview
octeontx2-pf: ethtool RSS config support
octeontx2-pf: Add basic ethtool support
...
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Linus Torvalds
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a78208e243 |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Removed CRYPTO_TFM_RES flags
- Extended spawn grabbing to all algorithm types
- Moved hash descsize verification into API code
Algorithms:
- Fixed recursive pcrypt dead-lock
- Added new 32 and 64-bit generic versions of poly1305
- Added cryptogams implementation of x86/poly1305
Drivers:
- Added support for i.MX8M Mini in caam
- Added support for i.MX8M Nano in caam
- Added support for i.MX8M Plus in caam
- Added support for A33 variant of SS in sun4i-ss
- Added TEE support for Raven Ridge in ccp
- Added in-kernel API to submit TEE commands in ccp
- Added AMD-TEE driver
- Added support for BCM2711 in iproc-rng200
- Added support for AES256-GCM based ciphers for chtls
- Added aead support on SEC2 in hisilicon"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (244 commits)
crypto: arm/chacha - fix build failured when kernel mode NEON is disabled
crypto: caam - add support for i.MX8M Plus
crypto: x86/poly1305 - emit does base conversion itself
crypto: hisilicon - fix spelling mistake "disgest" -> "digest"
crypto: chacha20poly1305 - add back missing test vectors and test chunking
crypto: x86/poly1305 - fix .gitignore typo
tee: fix memory allocation failure checks on drv_data and amdtee
crypto: ccree - erase unneeded inline funcs
crypto: ccree - make cc_pm_put_suspend() void
crypto: ccree - split overloaded usage of irq field
crypto: ccree - fix PM race condition
crypto: ccree - fix FDE descriptor sequence
crypto: ccree - cc_do_send_request() is void func
crypto: ccree - fix pm wrongful error reporting
crypto: ccree - turn errors to debug msgs
crypto: ccree - fix AEAD decrypt auth fail
crypto: ccree - fix typo in comment
crypto: ccree - fix typos in error msgs
crypto: atmel-{aes,sha,tdes} - Retire crypto_platform_data
crypto: x86/sha - Eliminate casts on asm implementations
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Linus Torvalds
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68353984d6 |
Various SMB3/CIFS fixes including 4 for stable. Improvement to fallocate (enables 3 additional xfstests). Fix for file creation when mounting with modefromsid, add ability to backup/restore dos attributes and creation time, DFS failover and reconnect fixes and performance optimization for readir
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAl4wd8IACgkQiiy9cAdy T1FFmQwAuh4efFQuBjV3/0CRHC7ezqW88/zVuRqK5m1xC+VDW2tcV24mcsyVOOMW wgOdr0NXWRxrPHoJfIGLPFwq7o59PFWR5Cdwjpu/th72W9zftAPZdQCjCO3ssO3u tGmtavN/rk61A3ALjqtjC6lRx+A1wxYoxgBNlAXwyCktWShQBWHFsRnFq6w7e76H lvaXkk0ubh7LDnCvwqpMupkD3n//Y9UAHQ1D1oIC29i6F5M8SmGs36e1ptuSCssq q4Xb48uc+QXeD8NvA0Y9S/Su3NZEy/iqJpFok75tHzbr+ypAthhvxfMW3SnOh2NI t4zWUSIcNU7b2v+QjrWqJlN8vpYB8R4Awti0FkI1LvjjZwZ1lTcW2o40pAwgQl3o BoFqlksbOf+457tmcuQ7/psqRxAvgA3z7rSFJbYvKFYR2Go0E6oxpi1mXjph5Bw3 K5s3ieEbEC2mbAa/5Qf4HHit4jL4tGxijo5MhUB9uMymCGyxYIKUJcVnZ/LnTgpC WZTjeNqT =7t46 -----END PGP SIGNATURE----- Merge tag '5.6-smb3-fixes-and-dfs-and-readdir-improvements' of git://git.samba.org/sfrench/cifs-2.6 Pull cifs updates from Steve French: "Various SMB3/CIFS fixes including four for stable. - Improvement to fallocate (enables 3 additional xfstests) - Fix for file creation when mounting with modefromsid - Add ability to backup/restore dos attributes and creation time - DFS failover and reconnect fixes - performance optimization for readir Note that due to the upcoming SMB3 Test Event (at SNIA SDC next week) there will likely be more changesets near the end of the merge window (since we will be testing heavily next week, I held off on some patches and I expect some additional multichannel patches as well as patches to enable some additional xfstests)" * tag '5.6-smb3-fixes-and-dfs-and-readdir-improvements' of git://git.samba.org/sfrench/cifs-2.6: (24 commits) CIFS: Fix task struct use-after-free on reconnect cifs: use PTR_ERR_OR_ZERO() to simplify code cifs: add support for fallocate mode 0 for non-sparse files cifs: fix NULL dereference in match_prepath smb3: fix default permissions on new files when mounting with modefromsid CIFS: Add support for setting owner info, dos attributes, and create time cifs: remove set but not used variable 'server' cifs: Fix memory allocation in __smb2_handle_cancelled_cmd() cifs: Fix mount options set in automount cifs: fix unitialized variable poential problem with network I/O cache lock patch cifs: Fix return value in __update_cache_entry cifs: Avoid doing network I/O while holding cache lock cifs: Fix potential deadlock when updating vol in cifs_reconnect() cifs: Merge is_path_valid() into get_normalized_path() cifs: Introduce helpers for finding TCP connection cifs: Get rid of kstrdup_const()'d paths cifs: Clean up DFS referral cache cifs: Don't use iov_iter::type directly cifs: set correct max-buffer-size for smb2_ioctl_init() cifs: use compounding for open and first query-dir for readdir() ... |