In several places we iterate every AG from a specific start agno and
wrap back to the first AG when we reach the end of the filesystem to
continue searching. We don't have a primitive for this iteration
yet, so add one for conversion of these algorithms to per-ag based
iteration.
The filestream AG select code is a mess, and this initially makes it
worse. The per-ag selection needs to be driven completely into the
filestream code to clean this up and it will be done in a future
patch that makes the filestream allocator use active per-ag
references correctly.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
We currently don't have any flags or operational state in the
xfs_perag except for the pagf_init and pagi_init flags. And the
agflreset flag. Oh, there's also the pagf_metadata and pagi_inodeok
flags, too.
For controlling per-ag operations, we are going to need some atomic
state flags. Hence add an opstate field similar to what we already
have in the mount and log, and convert all these state flags across
to atomic bit operations.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This is currently a spinlock lock protected rotor which can be
implemented with a single atomic operation. Change it to be more
efficient and get rid of the m_agirotor_lock. Noticed while
converting the inode allocation AG selection loop to active perag
references.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Lots of code in the inobt infrastructure is passed both xfs_mount
and perags. We only need perags for the per-ag inode allocation
code, so reduce the duplication by passing only the perags as the
primary object.
This ends up reducing the code size by a bit:
text data bss dec hex filename
orig 1138878 323979 548 1463405 16546d (TOTALS)
patched 1138709 323979 548 1463236 1653c4 (TOTALS)
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Convert the inode allocation routines to use active perag references
or references held by callers rather than grab their own. Also drive
the perag further inwards to replace xfs_mounts when doing
operations on a specific AG.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Callers have referenced perags but they don't pass it into
xfs_imap() so it takes it's own reference. Fix that so we can change
inode allocation over to using active references.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
So that they all output the same information in the traces to make
debugging refcount issues easier.
This means that all the lookup/drop functions no longer need to use
the full memory barrier atomic operations (atomic*_return()) so
will have less overhead when tracing is off. The set/clear tag
tracepoints no longer abuse the reference count to pass the tag -
the tag being cleared is obvious from the _RET_IP_ that is recorded
in the trace point.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
We need to be able to dynamically remove instantiated AGs from
memory safely, either for shrinking the filesystem or paging AG
state in and out of memory (e.g. supporting millions of AGs). This
means we need to be able to safely exclude operations from accessing
perags while dynamic removal is in progress.
To do this, introduce the concept of active and passive references.
Active references are required for high level operations that make
use of an AG for a given operation (e.g. allocation) and pin the
perag in memory for the duration of the operation that is operating
on the perag (e.g. transaction scope). This means we can fail to get
an active reference to an AG, hence callers of the new active
reference API must be able to handle lookup failure gracefully.
Passive references are used in low level code, where we might need
to access the perag structure for the purposes of completing high
level operations. For example, buffers need to use passive
references because:
- we need to be able to do metadata IO during operations like grow
and shrink transactions where high level active references to the
AG have already been blocked
- buffers need to pin the perag until they are reclaimed from
memory, something that high level code has no direct control over.
- unused cached buffers should not prevent a shrink from being
started.
Hence we have active references that will form exclusion barriers
for operations to be performed on an AG, and passive references that
will prevent reclaim of the perag until all objects with passive
references have been reclaimed themselves.
This patch introduce xfs_perag_grab()/xfs_perag_rele() as the API
for active AG reference functionality. We also need to convert the
for_each_perag*() iterators to use active references, which will
start the process of converting high level code over to using active
references. Conversion of non-iterator based code to active
references will be done in followup patches.
Note that the implementation using reference counting is really just
a development vehicle for the API to ensure we don't have any leaks
in the callers. Once we need to remove perag structures from memory
dyanmically, we will need a much more robust per-ag state transition
mechanism for preventing new references from being taken while we
wait for existing references to drain before removal from memory can
occur....
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
We can error out of an allocation transaction when updating BMBT
blocks when things go wrong. This can be a btree corruption, and
unexpected ENOSPC, etc. In these cases, we already have deferred ops
queued for the first allocation that has been done, and we just want
to cancel out the transaction and shut down the filesystem on error.
In fact, we do just that for production systems - the assert that we
can't have a transaction with defer ops attached unless we are
already shut down is bogus and gets in the way of debugging
whatever issue is actually causing the transaction to be cancelled.
Remove the assert because it is causing spurious test failures to
hang test machines.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
The tp->t_firstblock field is now raelly tracking the highest AG we
have locked, not the block number of the highest allocation we've
made. It's purpose is to prevent AGF locking deadlocks, so rename it
to "highest AG" and simplify the implementation to just track the
agno rather than a fsbno.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Now that xfs_alloc_vextent() does all the AGF deadlock prevention
filtering for multiple allocations in a single transaction, we no
longer need the allocation setup code to care about what AGs we
might already have locked.
Hence we can remove all the "nullfb" conditional logic in places
like xfs_bmap_btalloc() and instead have them focus simply on
setting up locality constraints. If the allocation fails due to
AGF lock filtering in xfs_alloc_vextent, then we just fall back as
we normally do to more relaxed allocation constraints.
As a result, any allocation that allows AG scanning (i.e. not
confined to a single AG) and does not force a worst case full
filesystem scan will now be able to attempt allocation from AGs
lower than that defined by tp->t_firstblock. This is because
xfs_alloc_vextent() allows try-locking of the AGFs and hence enables
low space algorithms to at least -try- to get space from AGs lower
than the one that we have currently locked and allocated from. This
is a significant improvement in the low space allocation algorithm.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
When we enter xfs_bmbt_alloc_block() without having first allocated
a data extent (i.e. tp->t_firstblock == NULLFSBLOCK) because we
are doing something like unwritten extent conversion, the transaction
block reservation is used as the minleft value.
This works for operations like unwritten extent conversion, but it
assumes that the block reservation is only for a BMBT split. THis is
not always true, and sometimes results in larger than necessary
minleft values being set. We only actually need enough space for a
btree split, something we already handle correctly in
xfs_bmapi_write() via the xfs_bmapi_minleft() calculation.
We should use xfs_bmapi_minleft() in xfs_bmbt_alloc_block() to
calculate the number of blocks a BMBT split on this inode is going to
require, not use the transaction block reservation that contains the
maximum number of blocks this transaction may consume in it...
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
When an XFS filesystem has free inodes in chunks already allocated
on disk, it will still allocate new inode chunks if the target AG
has no free inodes in it. Normally, this is a good idea as it
preserves locality of all the inodes in a given directory.
However, at ENOSPC this can lead to using the last few remaining
free filesystem blocks to allocate a new chunk when there are many,
many free inodes that could be allocated without consuming free
space. This results in speeding up the consumption of the last few
blocks and inode create operations then returning ENOSPC when there
free inodes available because we don't have enough block left in the
filesystem for directory creation reservations to proceed.
Hence when we are near ENOSPC, we should be attempting to preserve
the remaining blocks for directory block allocation rather than
using them for unnecessary inode chunk creation.
This particular behaviour is exposed by xfs/294, when it drives to
ENOSPC on empty file creation whilst there are still thousands of
free inodes available for allocation in other AGs in the filesystem.
Hence, when we are within 1% of ENOSPC, change the inode allocation
behaviour to prefer to use existing free inodes over allocating new
inode chunks, even though it results is poorer locality of the data
set. It is more important for the allocations to be space efficient
near ENOSPC than to have optimal locality for performance, so lets
modify the inode AG selection code to reflect that fact.
This allows generic/294 to not only pass with this allocator rework
patchset, but to increase the number of post-ENOSPC empty inode
allocations to from ~600 to ~9080 before we hit ENOSPC on the
directory create transaction reservation.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
I've recently encountered an ABBA deadlock with g/476. The upcoming
changes seem to make this much easier to hit, but the underlying
problem is a pre-existing one.
Essentially, if we select an AG for allocation, then lock the AGF
and then fail to allocate for some reason (e.g. minimum length
requirements cannot be satisfied), then we drop out of the
allocation with the AGF still locked.
The caller then modifies the allocation constraints - usually
loosening them up - and tries again. This can result in trying to
access AGFs that are lower than the AGF we already have locked from
the failed attempt. e.g. the failed attempt skipped several AGs
before failing, so we have locks an AG higher than the start AG.
Retrying the allocation from the start AG then causes us to violate
AGF lock ordering and this can lead to deadlocks.
The deadlock exists even if allocation succeeds - we can do a
followup allocations in the same transaction for BMBT blocks that
aren't guaranteed to be in the same AG as the original, and can move
into higher AGs. Hence we really need to move the tp->t_firstblock
tracking down into xfs_alloc_vextent() where it can be set when we
exit with a locked AG.
xfs_alloc_vextent() can also check there if the requested
allocation falls within the allow range of AGs set by
tp->t_firstblock. If we can't allocate within the range set, we have
to fail the allocation. If we are allowed to to non-blocking AGF
locking, we can ignore the AG locking order limitations as we can
use try-locks for the first iteration over requested AG range.
This invalidates a set of post allocation asserts that check that
the allocation is always above tp->t_firstblock if it is set.
Because we can use try-locks to avoid the deadlock in some
circumstances, having a pre-existing locked AGF doesn't always
prevent allocation from lower order AGFs. Hence those ASSERTs need
to be removed.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
The name passed into __xfs_xattr_put_listent is exactly namelen bytes
long and not null-terminated. Passing namelen+1 to the strscpy function
strscpy(offset, (char *)name, namelen + 1);
is therefore wrong. Go back to the old code, which works fine because
strncpy won't find a null in @name and stops after namelen bytes. It
really could be a memcpy call, but it worked for years.
Reported-by: syzbot+898115bc6d7140437215@syzkaller.appspotmail.com
Fixes: 8954c44ff4 ("xfs: use strscpy() to instead of strncpy()")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Since commit ee6d3dd4ed ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.
Take advantage of this to constify the structure definitions to prevent
modification at runtime.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
xfs will not allow combining other panic masks with
XFS_PTAG_VERIFIER_ERROR.
# sysctl fs.xfs.panic_mask=511
sysctl: setting key "fs.xfs.panic_mask": Invalid argument
fs.xfs.panic_mask = 511
Update to the maximum value that can be set to allow the full range of
masks. Do this using a mask of possible values to prevent this happening
again as suggested by Darrick.
Fixes: d519da41e2 ("xfs: Introduce XFS_PTAG_VERIFIER_ERROR panic mask")
Signed-off-by: Donald Douwsma <ddouwsma@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
When we split a BMBT due to record insertion, we offload it to a
worker thread because we can be deep in the stack when we try to
allocate a new block for the BMBT. Allocation can use several
kilobytes of stack (full memory reclaim, swap and/or IO path can
end up on the stack during allocation) and we can already be several
kilobytes deep in the stack when we need to split the BMBT.
A recent workload demonstrated a deadlock in this BMBT split
offload. It requires several things to happen at once:
1. two inodes need a BMBT split at the same time, one must be
unwritten extent conversion from IO completion, the other must be
from extent allocation.
2. there must be a no available xfs_alloc_wq worker threads
available in the worker pool.
3. There must be sustained severe memory shortages such that new
kworker threads cannot be allocated to the xfs_alloc_wq pool for
both threads that need split work to be run
4. The split work from the unwritten extent conversion must run
first.
5. when the BMBT block allocation runs from the split work, it must
loop over all AGs and not be able to either trylock an AGF
successfully, or each AGF is is able to lock has no space available
for a single block allocation.
6. The BMBT allocation must then attempt to lock the AGF that the
second task queued to the rescuer thread already has locked before
it finds an AGF it can allocate from.
At this point, we have an ABBA deadlock between tasks queued on the
xfs_alloc_wq rescuer thread and a locked AGF. i.e. The queued task
holding the AGF lock can't be run by the rescuer thread until the
task the rescuer thread is runing gets the AGF lock....
This is a highly improbably series of events, but there it is.
There's a couple of ways to fix this, but the easiest way to ensure
that we only punt tasks with a locked AGF that holds enough space
for the BMBT block allocations to the worker thread.
This works for unwritten extent conversion in IO completion (which
doesn't have a locked AGF and space reservations) because we have
tight control over the IO completion stack. It is typically only 6
functions deep when xfs_btree_split() is called because we've
already offloaded the IO completion work to a worker thread and
hence we don't need to worry about stack overruns here.
The other place we can be called for a BMBT split without a
preceeding allocation is __xfs_bunmapi() when punching out the
center of an existing extent. We don't remove extents in the IO
path, so these operations don't tend to be called with a lot of
stack consumed. Hence we don't really need to ship the split off to
a worker thread in these cases, either.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Variable names in this code module are inconsistent and confusing.
xfs_phys_extent describe physical mappings, so rename them "pmap".
xfs_refcount_intents describe refcount intents, so rename them "ri".
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Pass the incore refcount intent through the CUI logging code instead of
repeatedly boxing and unboxing parameters.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Variable names in this code module are inconsistent and confusing.
xfs_map_extent describe file mappings, so rename them "map".
xfs_rmap_intents describe block mapping intents, so rename them "ri".
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Pass the incore rmap space mapping through the RUI logging code instead
of repeatedly boxing and unboxing parameters.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Change the name of all pointers to xfs_extent_item structures to "xefi"
to make the name consistent and because the current selections ("new"
and "free") mean other things in C.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Pass the incore xfs_extent_free_item through the EFI logging code
instead of repeatedly boxing and unboxing parameters.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Variable names in this code module are inconsistent and confusing.
xfs_map_extent describe file mappings, so rename them "map".
xfs_bmap_intents describe block mapping intents, so rename them "bi".
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Instead of repeatedly boxing and unboxing the incore extent mapping
structure as it passes through the BUI code, pass the pointer directly
through.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL-terminated strings.
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com.cn>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
avoid leaking memory
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Merge tag 'irq_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Borislav Petkov:
- Cleanup the firmware node for the new IRQ MSI domain properly, to
avoid leaking memory
* tag 'irq_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/msi: Free the fwnode created by msi_create_device_irq_domain()
16 will support it
- Fix a NULL ptr deref when suspending with Xen PV
- Have a SEV-SNP guest check explicitly for features enabled by the hypervisor
and fail gracefully if some are unsupported by the guest instead of failing in
a non-obvious and hard-to-debug way
- Fix a MSI descriptor leakage under Xen
- Mark Xen's MSI domain as supporting MSI-X
- Prevent legacy PIC interrupts from being resent in software by marking them
level triggered, as they should be, which lead to a NULL ptr deref
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Merge tag 'x86_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Start checking for -mindirect-branch-cs-prefix clang support too now
that LLVM 16 will support it
- Fix a NULL ptr deref when suspending with Xen PV
- Have a SEV-SNP guest check explicitly for features enabled by the
hypervisor and fail gracefully if some are unsupported by the guest
instead of failing in a non-obvious and hard-to-debug way
- Fix a MSI descriptor leakage under Xen
- Mark Xen's MSI domain as supporting MSI-X
- Prevent legacy PIC interrupts from being resent in software by
marking them level triggered, as they should be, which lead to a NULL
ptr deref
* tag 'x86_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build: Move '-mindirect-branch-cs-prefix' out of GCC-only block
acpi: Fix suspend with Xen PV
x86/sev: Add SEV-SNP guest feature negotiation support
x86/pci/xen: Fixup fallout from the PCI/MSI overhaul
x86/pci/xen: Set MSI_FLAG_PCI_MSIX support in Xen MSI domain
x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
- touchpads on HP 15-* laptops switched back to PS/2 emulation mode
- a quirk for Clevo PCX0DX/TUXEDO XP1511 to make sure keyboard is
responding after resume
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Merge tag 'input-for-v6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- touchpads on HP 15-* laptops switched back to PS/2 emulation mode
- a quirk for Clevo PCX0DX/TUXEDO XP1511 to make sure keyboard is
responding after resume
* tag 'input-for-v6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - add Clevo PCX0DX to i8042 quirk table
Revert "Input: synaptics - switch touchpad on HP Laptop 15-da3001TU to RMI mode"
- Fix a crash regression due to module load order of cxl_pmem.ko
- Fix wrong register offset read in CXL AER handling path
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Merge tag 'cxl-fixes-for-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl fixes from Dan Williams:
"A couple of fixes for bugs introduced during the merge window. One is
a regression, the other was a bug in the CXL AER handler:
- Fix a crash regression due to module load order of cxl_pmem.ko
- Fix wrong register offset read in CXL AER handling path"
* tag 'cxl-fixes-for-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/pmem: Fix nvdimm unregistration when cxl_pmem driver is absent
cxl: fix cxl_report_and_clear() RAS UE addr mis-assignment
This reverts commit 7efc3b7261.
We have got openSUSE reports (Link 1) for 6.1 kernel with khugepaged
stalling CPU for long periods of time. Investigation of tracepoint data
shows that compaction is stuck in repeating fast_find_migrateblock()
based migrate page isolation, and then fails to migrate all isolated
pages.
Commit 7efc3b7261 ("mm/compaction: fix set skip in fast_find_migrateblock")
was suspected as it was merged in 6.1 and in theory can indeed remove a
termination condition for fast_find_migrateblock() under certain
conditions, as it removes a place that always marks a scanned pageblock
from being re-scanned. There are other such places, but those can be
skipped under certain conditions, which seems to match the tracepoint
data.
Testing of revert also appears to have resolved the issue, thus revert
the commit until a more robust solution for the original problem is
developed.
It's also likely this will fix qemu stalls with 6.1 kernel reported in
Link 2, but that is not yet confirmed.
Link: https://bugzilla.suse.com/show_bug.cgi?id=1206848
Link: https://lore.kernel.org/kvm/b8017e09-f336-3035-8344-c549086c2340@kernel.org/
Link: https://lore.kernel.org/lkml/20230125134434.18017-1-mgorman@techsingularity.net/
Fixes: 7efc3b7261 ("mm/compaction: fix set skip in fast_find_migrateblock")
Cc: <stable@vger.kernel.org>
Tested-by: Pedro Falcato <pedro.falcato@gmail.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Joe found another DT file that shouldn't be executable, and that
frustrated me enough that I went hunting with this script:
git ls-files -s |
grep '^100755' |
cut -f2 |
xargs grep -L '^#!'
and that found another file that shouldn't have been marked executable
either, despite being in the scripts directory.
Maybe these two are the last ones at least for now. But I'm sure we'll
be back in a few years, fixing things up again.
Fixes: 8c6789f4e2 ("ASoC: dt-bindings: Add Everest ES8326 audio CODEC")
Fixes: 4d8e5cd233 ("locking/atomics: Fix scripts/atomic/ script permissions")
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag '6.2-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd
Pull ksmbd server fixes from Steve French:
"Four smb3 server fixes, all also for stable:
- fix for signing bug
- fix to more strictly check packet length
- add a max connections parm to limit simultaneous connections
- fix error message flood that can occur with newer Samba xattr
format"
* tag '6.2-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: downgrade ndr version error message to debug
ksmbd: limit pdu length size according to connection status
ksmbd: do not sign response to session request for guest login
ksmbd: add max connections parameter
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Merge tag '6.2-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fix from Steve French:
"Fix for reconnect oops in smbdirect (RDMA), also is marked for stable"
* tag '6.2-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Fix oops due to uncleared server->smbd_conn in reconnect
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Merge tag 'io_uring-6.2-2023-01-27' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Two small fixes for this release:
- Sanitize how async prep is done for drain requests, so we ensure
that it always gets done (Dylan)
- A ring provided buffer recycling fix for multishot receive (me)"
* tag 'io_uring-6.2-2023-01-27' of git://git.kernel.dk/linux:
io_uring: always prep_async for drain requests
io_uring/net: cache provided buffer group value for multishot receives
- Fix filter memory leak by calling ftrace_free_filter()
- Initialize trace_printk() earlier so that ftrace_dump_on_oops shows data
on early crashes.
- Update the outdated instructions in scripts/tracing/ftrace-bisect.sh
- Add lockdep_is_held() to fix lockdep warning
- Add allocation failure check in create_hist_field()
- Don't initialize pointer that gets set right away in enabled_monitors_write()
- Update MAINTAINER entries
- Fix help messages in Kconfigs
- Fix kernel-doc header for update_preds()
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Merge tag 'trace-v6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix filter memory leak by calling ftrace_free_filter()
- Initialize trace_printk() earlier so that ftrace_dump_on_oops shows
data on early crashes.
- Update the outdated instructions in scripts/tracing/ftrace-bisect.sh
- Add lockdep_is_held() to fix lockdep warning
- Add allocation failure check in create_hist_field()
- Don't initialize pointer that gets set right away in enabled_monitors_write()
- Update MAINTAINER entries
- Fix help messages in Kconfigs
- Fix kernel-doc header for update_preds()
* tag 'trace-v6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
bootconfig: Update MAINTAINERS file to add tree and mailing list
rv: remove redundant initialization of pointer ptr
ftrace: Maintain samples/ftrace
tracing/filter: fix kernel-doc warnings
lib: Kconfig: fix spellos
trace_events_hist: add check for return value of 'create_hist_field'
tracing/osnoise: Use built-in RCU list checking
tracing: Kconfig: Fix spelling/grammar/punctuation
ftrace/scripts: Update the instructions for ftrace-bisect.sh
tracing: Make sure trace_printk() can output as soon as it can be used
ftrace: Export ftrace_free_filter() to modules
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Merge tag 'i2c-for-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"A bunch of driver fixes with a tiny bit of new IDs"
* tag 'i2c-for-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: rk3x: fix a bunch of kernel-doc warnings
i2c: axxia: use 'struct' for kernel-doc notation
dt-bindings: i2c: renesas,rzv2m: Fix SoC specific string
i2c: mxs: suppress probe-deferral error message
i2c: designware-pci: Add new PCI IDs for AMD NAVI GPU
i2c: designware: Fix unbalanced suspended flag
i2c: designware: use casting of u64 in clock multiplication to avoid overflow
- fix the -c option in the gpio-event-mode user-space example program
- fix the irq number translation in gpio-ep93xx and make its irqchip immutable
- add a missing spin_unlock in error path in gpio-mxc
- fix a suspend breakage on System76 and Lenovo Gen2a introduced in GPIO ACPI
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Merge tag 'gpio-fixes-for-v6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix the -c option in the gpio-event-mode user-space example program
- fix the irq number translation in gpio-ep93xx and make its irqchip
immutable
- add a missing spin_unlock in error path in gpio-mxc
- fix a suspend breakage on System76 and Lenovo Gen2a introduced in
GPIO ACPI
* tag 'gpio-fixes-for-v6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
tools: gpio: fix -c option of gpio-event-mon
gpio: ep93xx: remove unused variable
gpio: ep93xx: Make irqchip immutable
gpio: ep93xx: Fix port F hwirq numbers in handler
gpio: mxc: Unlock on error path in mxc_flip_edge()
gpiolib-acpi: Don't set GPIOs for wakeup in S3 mode
A fix for the DT binding documentation which dropped a property
when being converted to YAML format causing spurious errors
validating device trees for platforms using the device.
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Merge tag 'regulator-fix-v6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"A fix for the DT binding documentation which dropped a property when
being converted to YAML format causing spurious errors validating
device trees for platforms using the device"
* tag 'regulator-fix-v6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: dt-bindings: samsung,s2mps14: add lost samsung,ext-control-gpios
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Merge tag 'ovl-fixes-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi:
"Fix two bugs, a recent one introduced in the last cycle, and an older
one from v5.11"
* tag 'ovl-fixes-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fail on invalid uid/gid mapping at copy up
ovl: fix tmpfile leak
drm:
- DP MST kref fix
- fb_helper: check return value
i915:
- Fix BSC default context for Meteor Lake
- Fix selftest-scheduler's modify_type
- memory leak fix
amdgpu:
- GC11.x fixes
- SMU13.0.0 fix
- Freesync video fix
- DP MST fixes
- build fix
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Merge tag 'drm-fixes-2023-01-27' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Fairly small this week as well, i915 has a memory leak fix and some
minor changes, and amdgpu has some MST fixes, and some other minor
ones:
drm:
- DP MST kref fix
- fb_helper: check return value
i915:
- Fix BSC default context for Meteor Lake
- Fix selftest-scheduler's modify_type
- memory leak fix
amdgpu:
- GC11.x fixes
- SMU13.0.0 fix
- Freesync video fix
- DP MST fixes
- build fix"
* tag 'drm-fixes-2023-01-27' of git://anongit.freedesktop.org/drm/drm:
amdgpu: fix build on non-DCN platforms.
drm/amd/display: Fix timing not changning when freesync video is enabled
drm/display/dp_mst: Correct the kref of port.
drm/amdgpu/display/mst: update mst_mgr relevant variable when long HPD
drm/amdgpu/display/mst: limit payload to be updated one by one
drm/amdgpu/display/mst: Fix mst_state->pbn_div and slot count assignments
drm/amdgpu: declare firmware for new MES 11.0.4
drm/amdgpu: enable imu firmware for GC 11.0.4
drm/amd/pm: add missing AllowIHInterrupt message mapping for SMU13.0.0
drm/amdgpu: remove unconditional trap enable on add gfx11 queues
drm/fb-helper: Use a per-driver FB deferred I/O handler
drm/fb-helper: Check fb_deferred_io_init() return value
drm/i915/selftest: fix intel_selftest_modify_policy argument types
drm/i915/mtl: Fix bcs default context
drm/i915: Fix a memory leak with reused mmap_offset
drm/drm_vma_manager: Add drm_vma_node_allow_once()
Add locking to the Intel int340x thermal control driver to prevent
its thermal zone callbacks from racing with firmware-induced thermal
trip point updates (Srinivas Pandruvada, Rafael Wysocki).
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Merge tag 'thermal-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"Add locking to the Intel int340x thermal control driver to prevent its
thermal zone callbacks from racing with firmware-induced thermal trip
point updates (Srinivas Pandruvada, Rafael Wysocki)"
* tag 'thermal-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: int340x: Add locking to int340x_thermal_get_trip_type()
thermal: intel: int340x: Protect trip temperature from concurrent updates
- Fix event counting regression in Arm CMN PMU driver due to broken optimisation
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
- Fix event counting regression in Arm CMN PMU driver due to broken
optimisation
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
Partially revert "perf/arm-cmn: Optimise DTC counter accesses"
* A few DT bindings fixes to more closely align the ISA string
requirements between the bindings and the ISA manual.
* A handful of build error/warning fixes.
* A fix to move init_cpu_topology() later in the boot flow, so it can
allocate memory.
* The IRC channel is now in the MAINTAINERS file, so it's easier to
find.
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Merge tag 'riscv-for-linus-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A few DT bindings fixes to more closely align the ISA string
requirements between the bindings and the ISA manual.
- A handful of build error/warning fixes.
- A fix to move init_cpu_topology() later in the boot flow, so it can
allocate memory.
- The IRC channel is now in the MAINTAINERS file, so it's easier to
find.
* tag 'riscv-for-linus-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Move call to init_cpu_topology() to later initialization stage
riscv/kprobe: Fix instruction simulation of JALR
riscv: fix -Wundef warning for CONFIG_RISCV_BOOT_SPINWAIT
MAINTAINERS: add an IRC entry for RISC-V
RISC-V: fix compile error from deduplicated __ALTERNATIVE_CFG_2
dt-bindings: riscv: fix single letter canonical order
dt-bindings: riscv: fix underscore requirement for multi-letter extensions
