xfs_rtallocate_extent_near() tries to find a free extent as close to a
target bitmap block given by bbno as possible, which may be before or
after bbno. Searching backwards has a complication: the realtime summary
accounts for free space _starting_ in a bitmap block, but not straddling
or ending in a bitmap block. So, when the negative search finds a free
extent in the realtime summary, in order to end up closer to the target,
it looks for the end of the free extent. For example, if bbno - 2 has a
free extent, then it will check bbno - 1, then bbno - 2. But then if
bbno - 3 has a free extent, it will check bbno - 1 again, then bbno - 2
again, and then bbno - 3. This results in a quadratic loop, which is
completely pointless since the repeated checks won't find anything new.
Fix it by remembering where we last checked up to and continue from
there. This also obviates the need for a check of the realtime summary.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
xfs_rtallocate_extent_near() calls xfs_rtallocate_extent_block() with
the minlen and maxlen that were passed to it.
xfs_rtallocate_extent_block() then scans the bitmap block looking for a
free range of size maxlen. If there is none, it has to scan the whole
bitmap block before returning the largest range of at least size minlen.
For a fragmented realtime device and a large allocation request, it's
almost certain that this will have to search the whole bitmap block,
leading to high CPU usage.
However, the realtime summary tells us the maximum size available in the
bitmap block. We can limit the search in xfs_rtallocate_extent_block()
to that size and often stop before scanning the whole bitmap block.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Instead of only returning whether there is any free space, return the
maximum size, which is fast thanks to the previous commit. This will be
used by two upcoming optimizations.
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
In commit 355e353213 ("xfs: cache minimum realtime summary level"), I
added a cache of the minimum level of the realtime summary that has any
free extents. However, it turns out that the _maximum_ level is more
useful for upcoming optimizations, and basically equivalent for the
existing usage. So, let's change the meaning of the cache to be the
maximum level + 1, or 0 if there are no free extents.
For example, if the cache contains:
{0, 4}
then there are no free extents starting in realtime bitmap block 0, and
there are no free extents larger than or equal to 2^4 blocks starting in
realtime bitmap block 1. The cache is a loose upper bound, so there may
or may not be free extents smaller than 2^4 blocks in realtime bitmap
block 1.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Simplify the calling convention of these functions since the
xfs_rtalloc_args structure contains the parameters we need.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Now that xfs_rtalloc_args holds references to the last-read bitmap and
summary blocks, we don't need to pass the buffer pointer out of
xfs_rtbuf_get.
Callers no longer have to xfs_trans_brelse on their own, though they are
required to call xfs_rtbuf_cache_relse before the xfs_rtalloc_args goes
out of scope.
While we're at it, create some trivial helpers so that we don't have to
remember if "0" means "bitmap" and "1" means "summary".
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Profiling a workload on a highly fragmented realtime device showed a ton
of CPU cycles being spent in xfs_trans_read_buf() called by
xfs_rtbuf_get(). Further tracing showed that much of that was repeated
calls to xfs_rtbuf_get() for the same block of the realtime bitmap.
These come from xfs_rtallocate_extent_block(): as it walks through
ranges of free bits in the bitmap, each call to xfs_rtcheck_range() and
xfs_rtfind_{forw,back}() gets the same bitmap block. If the bitmap block
is very fragmented, then this is _a lot_ of buffer lookups.
The realtime allocator already passes around a cache of the last used
realtime summary block to avoid repeated reads (the parameters rbpp and
rsb). We can do the same for the realtime bitmap.
This replaces rbpp and rsb with a struct xfs_rtbuf_cache, which caches
the most recently used block for both the realtime bitmap and summary.
xfs_rtbuf_get() now handles the caching instead of the callers, which
requires plumbing xfs_rtbuf_cache to more functions but also makes sure
we don't miss anything.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Consolidate the arguments passed around the rt allocator into a
struct xfs_rtalloc_arg similar to how the btree allocator arguments
are consolidated in a struct xfs_alloc_arg....
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>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create get and set functions for rtsummary words so that we can redefine
the ondisk format with a specific endianness. Note that this requires
the definition of a distinct type for ondisk summary info words so that
the compiler can perform proper typechecking.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create helper functions that compute the number of blocks or words
necessary to store the rt summary file.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create get and set functions for rtbitmap words so that we can redefine
the ondisk format with a specific endianness. Note that this requires
the definition of a distinct type for ondisk rtbitmap words so that the
compiler can perform proper typechecking as we go back and forth.
In the upcoming rtgroups feature, we're going to fix the problem that
rtwords are written in host endian order, which means we'll need the
distinct rtword/rtword_raw types.
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create an explicit helper function to log parts of rt bitmap and summary
blocks. While we're at it, fix an off-by-one error in two of the
rtbitmap logging calls that led to unnecessarily large log items but was
otherwise benign.
Note that the upcoming rtgroups patchset will add block headers to the
rtbitmap and rtsummary files. The helpers in this and the next few
patches take a less than direct route through xfs_rbmblock_wordptr and
xfs_rsumblock_infoptr to avoid helper churn in that patchset.
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create helper functions that compute the number of blocks or words
necessary to store the rt bitmap.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Convert the realtime summary file macros to helper functions so that we
can improve type checking.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
There are a bunch of places where we use open-coded logic to find a
pointer to an xfs_rtword_t within a rt bitmap buffer. Convert all that
to helper functions for better type safety.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Remove these trivial macros since they're not even part of the ondisk
format.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Replace these macros with typechecked helper functions. Eventually
we're going to add more logic to the helpers and it'll be easier if we
don't have to macro it up.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Avoid the costs of integer division (32-bit and 64-bit) if the realtime
extent size is a power of two.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a pair of functions to round rtblock numbers up or down to the
nearest rt extent.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Convert these calls to use the helpers, and clean up all these places
where the same variable can have different units depending on where it
is in the function.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create helpers to do unit conversions of rt block numbers to rt extent
numbers. There are three variations -- one to compute the rt extent
number from an rt block number; one to compute the offset of an rt block
within an rt extent; and one to extract both.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a helper to compute the realtime extent (xfs_rtxlen_t) from an
extent length (xfs_extlen_t) value.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a helper to compute the misalignment between a file extent
(xfs_extlen_t) and a realtime extent.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a helper to convert a realtime extent to a realtime block. Later
on we'll change the helper to use bit shifts when possible.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Further disambiguate the xfs_rtblock_t uses by creating a new type,
xfs_rtxnum_t, to store the position of an extent within the realtime
section, in units of rtextents.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This helper function validates that a range of *blocks* in the
realtime section is completely contained within the realtime section.
It does /not/ validate ranges of *rtextents*. Rename the function to
avoid suggesting that it does, and change the type of the @len parameter
since xfs_rtblock_t is a position unit, not a length unit.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
XFS uses xfs_rtblock_t for many different uses, which makes it much more
difficult to perform a unit analysis on the codebase. One of these
(ab)uses is when we need to store the length of a free space extent as
stored in the realtime bitmap. Because there can be up to 2^64 realtime
extents in a filesystem, we need a new type that is larger than
xfs_rtxlen_t for callers that are querying the bitmap directly. This
means scrub and growfs.
Create this type as "xfs_rtbxlen_t" and use it to store 64-bit rtx
lengths. 'b' stands for 'bitmap' or 'big'; reader's choice.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
We should use xfs_fileoff_t to store the file block offset of any
location within the realtime bitmap or summary files.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
In most of the filesystem, we use xfs_extlen_t to store the length of a
file (or AG) space mapping in units of fs blocks. Unfortunately, the
realtime allocator also uses it to store the length of a rt space
mapping in units of rt extents. This is confusing, since one rt extent
can consist of many fs blocks.
Separate the two by introducing a new type (xfs_rtxlen_t) to store the
length of a space mapping (in units of realtime extents) that would be
found in a file.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Move all the declarations for functionality in xfs_rtbitmap.c into a
separate xfs_rtbitmap.h header file.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
In commit 2a6ca4baed, we tried to fix an overflow problem in the
realtime allocator that was caused by an overly large maxlen value
causing xfs_rtcheck_range to run off the end of the realtime bitmap.
Unfortunately, there is a subtle bug here -- maxlen (and minlen) both
have to be aligned with @prod, but @prod can be larger than 1 if the
user has set an extent size hint on the file, and that extent size hint
is larger than the realtime extent size.
If the rt free space extents are not aligned to this file's extszhint
because other files without extent size hints allocated space (or the
number of rt extents is similarly not aligned), then it's possible that
maxlen after clamping to sb_rextents will no longer be aligned to prod.
The allocation will succeed just fine, but we still trip the assertion.
Fix the problem by reducing maxlen by any misalignment with prod. While
we're at it, split the assertions into two so that we can tell which
value had the bad alignment.
Fixes: 2a6ca4baed ("xfs: make sure the rt allocator doesn't run off the end")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
The unit conversions in this function do not make sense. First we
convert a block count to bytes, then divide that bytes value by
rextsize, which is in blocks, to get an rt extent count. You can't
divide bytes by blocks to get a (possibly multiblock) extent value.
Fortunately nobody uses delalloc on the rt volume so this hasn't
mattered.
Fixes: fa5c836ca8 ("xfs: refactor xfs_bunmapi_cow")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
When realtime support is not compiled into the kernel, these functions
should return negative errnos, not positive errnos. While we're at it,
fix a broken macro declaration.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Quotas aren't (yet) supported with realtime, so we shouldn't allow
userspace to set up a realtime section when quotas are enabled, even if
they attached one via mount options. IOWS, you shouldn't be able to do:
# mkfs.xfs -f /dev/sda
# mount /dev/sda /mnt -o rtdev=/dev/sdb,usrquota
# xfs_growfs -r /mnt
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Currently, xfs_bmap_del_extent_real contains a bunch of code to convert
the physical extent of a data fork mapping for a realtime file into rt
extents and pass that to the rt extent freeing function. Since the
details of this aren't needed when CONFIG_XFS_REALTIME=n, move it to
xfs_rtbitmap.c to reduce code size when realtime isn't enabled.
This will (one day) enable realtime EFIs to reuse the same
unit-converting call with less code duplication.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
The latest version of the fs geometry structure is v5. Bump this
constant so that xfs_db and mkfs calls to libxfs_fs_geometry will fill
out all the fields.
IOWs, this commit is a no-op for the kernel, but will be useful for
userspace reporting in later changes.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This reverts commit 45e34c8af5, and the
two subsequent fixes to it:
3f874c9b2a ("x86/smp: Don't send INIT to non-present and non-booted CPUs")
b1472a60a5 ("x86/smp: Don't send INIT to boot CPU")
because it seems to result in hung machines at shutdown. Particularly
some Dell machines, but Thomas says
"The rest seems to be Lenovo and Sony with Alderlake/Raptorlake CPUs -
at least that's what I could figure out from the various bug reports.
I don't know which CPUs the DELL machines have, so I can't say it's a
pattern.
I agree with the revert for now"
Ashok Raj chimes in:
"There was a report (probably this same one), and it turns out it was a
bug in the BIOS SMI handler.
The client BIOS's were waiting for the lowest APICID to be the SMI
rendevous master. If this is MeteorLake, the BSP wasn't the one with
the lowest APIC and it triped here.
The BIOS change is also being pushed to others for assimilation :)
Server BIOS's had this correctly for a while now"
and it does look likely to be some bad interaction between SMI and the
non-BSP cores having put into INIT (and thus unresponsive until reset).
Link: https://bbs.archlinux.org/viewtopic.php?pid=2124429
Link: https://www.reddit.com/r/openSUSE/comments/16qq99b/tumbleweed_shutdown_did_not_finish_completely/
Link: https://forum.artixlinux.org/index.php/topic,5997.0.html
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2241279
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 295525e29a ("virtio_net: merge dma operations when filling
mergeable buffers") unmaps the buffer with DMA_ATTR_SKIP_CPU_SYNC when
the dma->ref is zero. We do that with DMA_ATTR_SKIP_CPU_SYNC, because we
do not want to do the sync for the entire page_frag. But that misses the
sync for the current area.
This patch does cpu sync regardless of whether the ref is zero or not.
Fixes: 295525e29a ("virtio_net: merge dma operations when filling mergeable buffers")
Reported-by: Michael Roth <michael.roth@amd.com>
Closes: http://lore.kernel.org/all/20230926130451.axgodaa6tvwqs3ut@amd.com
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here are some USB and Thunderbolt driver fixes for 6.6-rc6 to resolve a
number of small reported issues. Included in here are:
- thunderbolt driver fixes
- xhci driver fixes
- cdns3 driver fixes
- musb driver fixes
- a number of typec driver fixes
- a few other small driver fixes
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt fixes from Greg KH:
"Here are some USB and Thunderbolt driver fixes for 6.6-rc6 to resolve
a number of small reported issues. Included in here are:
- thunderbolt driver fixes
- xhci driver fixes
- cdns3 driver fixes
- musb driver fixes
- a number of typec driver fixes
- a few other small driver fixes
All of these have been in linux-next with no reported issues"
* tag 'usb-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
usb: typec: ucsi: Use GET_CAPABILITY attributes data to set power supply scope
usb: typec: ucsi: Fix missing link removal
usb: typec: altmodes/displayport: Signal hpd low when exiting mode
xhci: Preserve RsvdP bits in ERSTBA register correctly
xhci: Clear EHB bit only at end of interrupt handler
xhci: track port suspend state correctly in unsuccessful resume cases
usb: xhci: xhci-ring: Use sysdev for mapping bounce buffer
usb: typec: ucsi: Clear EVENT_PENDING bit if ucsi_send_command fails
usb: misc: onboard_hub: add support for Microchip USB2412 USB 2.0 hub
usb: gadget: udc-xilinx: replace memcpy with memcpy_toio
usb: cdns3: Modify the return value of cdns_set_active () to void when CONFIG_PM_SLEEP is disabled
usb: dwc3: Soft reset phy on probe for host
usb: hub: Guard against accesses to uninitialized BOS descriptors
usb: typec: qcom: Update the logic of regulator enable and disable
usb: gadget: ncm: Handle decoding of multiple NTB's in unwrap call
usb: musb: Get the musb_qh poniter after musb_giveback
usb: musb: Modify the "HWVers" register address
usb: cdnsp: Fixes issue with dequeuing not queued requests
thunderbolt: Restart XDomain discovery handshake after failure
thunderbolt: Correct TMU mode initialization from hardware
...
Here are some small tty/serial driver fixes for 6.6-rc6 that resolve
some reported issues. Included in here are:
- serial core pm runtime fix for issue reported by many
- 8250_omap driver fix
- rs485 spinlock fix for reported problem
- ams-delta bugfix for previous tty api changes in -rc1 that missed
this driver that never seems to get built in any test systems
All of these have been in linux-next for over a week with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty/serial driver fixes for 6.6-rc6 that resolve
some reported issues. Included in here are:
- serial core pm runtime fix for issue reported by many
- 8250_omap driver fix
- rs485 spinlock fix for reported problem
- ams-delta bugfix for previous tty api changes in -rc1 that missed
this driver that never seems to get built in any test systems
All of these have been in linux-next for over a week with no reported
problems"
* tag 'tty-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
ASoC: ti: ams-delta: Fix cx81801_receive() argument types
serial: core: Fix checks for tx runtime PM state
serial: 8250_omap: Fix errors with no_console_suspend
serial: Reduce spinlocked portion of uart_rs485_config()
Here is a small set of char/misc and other smaller driver subsystem
fixes for 6.6-rc6. Included in here are:
- lots of iio driver fixes
- binder memory leak fix
- mcb driver fixes
- counter driver fixes
- firmware loader documentation fix
- embargoed hardware issue documentation update
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here is a small set of char/misc and other smaller driver subsystem
fixes for 6.6-rc6. Included in here are:
- lots of iio driver fixes
- binder memory leak fix
- mcb driver fixes
- counter driver fixes
- firmware loader documentation fix
- documentation update for embargoed hardware issues
All of these have been in linux-next for over a week with no reported
issues"
* tag 'char-misc-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (22 commits)
iio: pressure: ms5611: ms5611_prom_is_valid false negative bug
dt-bindings: iio: adc: adi,ad7292: Fix additionalProperties on channel nodes
iio: adc: ad7192: Correct reference voltage
iio: light: vcnl4000: Don't power on/off chip in config
iio: addac: Kconfig: update ad74413r selections
iio: pressure: dps310: Adjust Timeout Settings
iio: imu: bno055: Fix missing Kconfig dependencies
iio: adc: imx8qxp: Fix address for command buffer registers
iio: cros_ec: fix an use-after-free in cros_ec_sensors_push_data()
iio: irsd200: fix -Warray-bounds bug in irsd200_trigger_handler
dt-bindings: iio: rohm,bu27010: add missing vdd-supply to example
binder: fix memory leaks of spam and pending work
firmware_loader: Update contact emails for ABI docs
Documentation: embargoed-hardware-issues.rst: Clarify prenotifaction
mcb: remove is_added flag from mcb_device struct
coresight: tmc-etr: Disable warnings for allocation failures
coresight: Fix run time warnings while reusing ETR buffer
iio: admv1013: add mixer_vgate corner cases
iio: pressure: bmp280: Fix NULL pointer exception
iio: dac: ad3552r: Correct device IDs
...
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Merge tag 'ovl-fixes-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Pull overlayfs fixes from Amir Goldstein:
- Various fixes for regressions due to conversion to new mount
api in v6.5
- Disable a new mount option syntax (append lowerdir) that was
added in v6.5 because we plan to add a different lowerdir
append syntax in v6.7
* tag 'ovl-fixes-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: temporarily disable appending lowedirs
ovl: fix regression in showing lowerdir mount option
ovl: fix regression in parsing of mount options with escaped comma
fs: factor out vfs_parse_monolithic_sep() helper
- Fix softlockup/crash when using hcall tracing.
- Fix pte_access_permitted() for PAGE_NONE on 8xx.
- Fix inverted pte_young() test in __ptep_test_and_clear_young() on 64-bit BookE.
- Fix unhandled math emulation exception on 85xx.
- Fix kernel crash on syscall return on 476.
Thanks to: Athira Rajeev, Christophe Leroy, Eddie James, Naveen N Rao.
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Merge tag 'powerpc-6.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix softlockup/crash when using hcall tracing
- Fix pte_access_permitted() for PAGE_NONE on 8xx
- Fix inverted pte_young() test in __ptep_test_and_clear_young()
on 64-bit BookE
- Fix unhandled math emulation exception on 85xx
- Fix kernel crash on syscall return on 476
Thanks to Athira Rajeev, Christophe Leroy, Eddie James, and Naveen N
Rao.
* tag 'powerpc-6.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/47x: Fix 47x syscall return crash
powerpc/85xx: Fix math emulation exception
powerpc/64e: Fix wrong test in __ptep_test_and_clear_young()
powerpc/8xx: Fix pte_access_permitted() for PAGE_NONE
powerpc/pseries: Remove unused r0 in the hcall tracing code
powerpc/pseries: Fix STK_PARAM access in the hcall tracing code
prototypes between architectures.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'smp-urgent-2023-10-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug fix from Ingo Molnar:
"Fix a Longsoon build warning by harmonizing the
arch_[un]register_cpu() prototypes between architectures"
* tag 'smp-urgent-2023-10-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu-hotplug: Provide prototypes for arch CPU registration
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Merge tag '6.6-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- Fix for possible double free in RPC read
- Add additional check to clarify smb2_open path and quiet Coverity
- Fix incorrect error rsp in a compounding path
- Fix to properly fail open of file with pending delete on close
* tag '6.6-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix potential double free on smb2_read_pipe() error path
ksmbd: fix Null pointer dereferences in ksmbd_update_fstate()
ksmbd: fix wrong error response status by using set_smb2_rsp_status()
ksmbd: not allow to open file if delelete on close bit is set
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Merge tag '6.6-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- fix caching race with open_cached_dir and laundromat cleanup of
cached dirs (addresses a problem spotted with xfstest run with
directory leases enabled)
- reduce excessive resource usage of laundromat threads
* tag '6.6-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: prevent new fids from being removed by laundromat
smb: client: make laundromat a delayed worker
