- Update ACPICA code in the kernel to upstream revision 20210730
including the following changes:
* Add support for the AEST table (data compiler) to iASL (Bob
Moore).
* Fix an if statement (add parens) (Bob Moore).
* Drop trailing semicolon from some macros (Bob Moore).
* Fix compilation of WPBT table with no command-line arguments
in iASL (Bob Moore).
* Add method name "_DIS" for use with aslmethod.c (Bob Moore).
* Add new DBG2 Serial Port Subtypes (Marcin Wojtas).
- Add new PCH FIVR methods to the DPTF code (Srinivas Pandruvada).
- Add support for the new 16550-compatible Serial Port Subtype to
the SPCR table parsing code (Marcin Wojtas).
- Add DMI quirk for Lenovo Yoga 9 (14INTL5) to the ACPI button
driver (Ulrich Huber).
- Add LoongArch support for ACPI_PROCESSOR/ACPI_NUMA (Huacai Chen).
- Add memory semantics to acpi_os_map_memory() (Lorenzo Pieralisi).
- Replace deprecated CPU-hotplug functions in the ACPI processor
driver (Sebastian Andrzej Siewior).
- Optimize I2C-bus handling in the XPower PMIC driver (Hans de Goede).
- Make platform-profile catch profile changes initiated by user space
and notify user processes of them (Hans de Goede).
- Clean up the ACPI companion binding and unbinding code and update
debug messaging in the ACPI power resources code (Rafael Wysocki).
- Clean up a couple of code pieces related to configfs (Andy
Shevchenko).
- Rearrange the FPDT table parsing code to avoid printing warning
messages for reserved record types (Adrian Huang).
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Merge tag 'acpi-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA kernel code to upstream revision 20210730,
clean up the ACPI companion binding code, optimize the I2C handling in
the XPower PMIC driver, add 16550-compatible Serial Port Subtype
support to the SPCR parsing code, add a few LoongArch support bits,
add a ne quirk to the button driver, add new PCH FIVR methods to the
DPTF code, replace deprecated CPU-hotplug functions in the processor
driver, improve the acpi_os_map_memory() handling on non-x86 and do
some assorted cleanups.
Specifics:
- Update ACPICA code in the kernel to upstream revision 20210730
including the following changes:
- Add support for the AEST table (data compiler) to iASL (Bob
Moore)
- Fix an if statement (add parens) (Bob Moore)
- Drop trailing semicolon from some macros (Bob Moore)
- Fix compilation of WPBT table with no command-line arguments in
iASL (Bob Moore)
- Add method name "_DIS" for use with aslmethod.c (Bob Moore)
- Add new DBG2 Serial Port Subtypes (Marcin Wojtas)
- Add new PCH FIVR methods to the DPTF code (Srinivas Pandruvada)
- Add support for the new 16550-compatible Serial Port Subtype to the
SPCR table parsing code (Marcin Wojtas)
- Add DMI quirk for Lenovo Yoga 9 (14INTL5) to the ACPI button driver
(Ulrich Huber)
- Add LoongArch support for ACPI_PROCESSOR/ACPI_NUMA (Huacai Chen)
- Add memory semantics to acpi_os_map_memory() (Lorenzo Pieralisi)
- Replace deprecated CPU-hotplug functions in the ACPI processor
driver (Sebastian Andrzej Siewior)
- Optimize I2C-bus handling in the XPower PMIC driver (Hans de Goede)
- Make platform-profile catch profile changes initiated by user space
and notify user processes of them (Hans de Goede)
- Clean up the ACPI companion binding and unbinding code and update
debug messaging in the ACPI power resources code (Rafael Wysocki)
- Clean up a couple of code pieces related to configfs (Andy
Shevchenko)
- Rearrange the FPDT table parsing code to avoid printing warning
messages for reserved record types (Adrian Huang)"
* tag 'acpi-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (27 commits)
ACPI: power: Drop name from struct acpi_power_resource
ACPI: power: Use acpi_handle_debug() to print debug messages
ACPI: tables: FPDT: Do not print FW_BUG message if record types are reserved
ACPI: button: Add DMI quirk for Lenovo Yoga 9 (14INTL5)
ACPI: Add memory semantics to acpi_os_map_memory()
ACPI: SPCR: Add support for the new 16550-compatible Serial Port Subtype
ACPI: platform-profile: call sysfs_notify() from platform_profile_store()
ACPICA: Update version to 20210730
ACPICA: Add method name "_DIS" For use with aslmethod.c
ACPICA: iASL: Fix for WPBT table with no command-line arguments
ACPICA: Headers: Add new DBG2 Serial Port Subtypes
ACPICA: Macros should not use a trailing semicolon
ACPICA: Fix an if statement (add parens)
ACPICA: iASL: Add support for the AEST table (data compiler)
ACPI: processor: Replace deprecated CPU-hotplug functions
ACPI: DPTF: Add new PCH FIVR methods
ACPI: configfs: Make get_header() to return error pointer
ACPI: configfs: Use sysfs_emit() in "show" functions
driver core: Split device_platform_notify()
software nodes: Split software_node_notify()
...
- Address 3 PCI device power management issues (Rafael Wysocki).
- Add Power Limit4 support for Alder Lake to the Intel RAPL power
capping driver (Sumeet Pawnikar).
- Add HWP guaranteed performance change notification support to
the intel_pstate driver (Srinivas Pandruvada).
- Replace deprecated CPU-hotplug functions in code related to power
management (Sebastian Andrzej Siewior).
- Update CPU PM notifiers to use raw spinlocks (Valentin Schneider).
- Add support for 'required-opps' DT property to the generic power
domains (genpd) framework and use this property for I2C on ARM64
sc7180 (Rajendra Nayak).
- Fix Kconfig issue related to genpd (Geert Uytterhoeven).
- Increase energy calculation precision in the Energy Model (Lukasz
Luba).
- Fix kobject deletion in the exit code of the schedutil cpufreq
governor (Kevin Hao).
- Unmark some functions as kernel-doc in the PM core to avoid
false-positive documentation build warnings (Randy Dunlap).
- Check RTC features instead of ops in suspend_test Alexandre
Belloni).
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Merge tag 'pm-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These address some PCI device power management issues, add new
hardware support to the RAPL power capping driver, add HWP guaranteed
performance change notification support to the intel_pstate driver,
replace deprecated CPU-hotplug functions in a few places, update CPU
PM notifiers to use raw spinlocks, update the PM domains framework
(new DT property support, Kconfig fix), do a couple of cleanups in
code related to system sleep, and improve the energy model and the
schedutil cpufreq governor.
Specifics:
- Address 3 PCI device power management issues (Rafael Wysocki).
- Add Power Limit4 support for Alder Lake to the Intel RAPL power
capping driver (Sumeet Pawnikar).
- Add HWP guaranteed performance change notification support to the
intel_pstate driver (Srinivas Pandruvada).
- Replace deprecated CPU-hotplug functions in code related to power
management (Sebastian Andrzej Siewior).
- Update CPU PM notifiers to use raw spinlocks (Valentin Schneider).
- Add support for 'required-opps' DT property to the generic power
domains (genpd) framework and use this property for I2C on ARM64
sc7180 (Rajendra Nayak).
- Fix Kconfig issue related to genpd (Geert Uytterhoeven).
- Increase energy calculation precision in the Energy Model (Lukasz
Luba).
- Fix kobject deletion in the exit code of the schedutil cpufreq
governor (Kevin Hao).
- Unmark some functions as kernel-doc in the PM core to avoid
false-positive documentation build warnings (Randy Dunlap).
- Check RTC features instead of ops in suspend_test Alexandre
Belloni)"
* tag 'pm-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: domains: Fix domain attach for CONFIG_PM_OPP=n
powercap: Add Power Limit4 support for Alder Lake SoC
cpufreq: intel_pstate: Process HWP Guaranteed change notification
thermal: intel: Allow processing of HWP interrupt
notifier: Remove atomic_notifier_call_chain_robust()
PM: cpu: Make notifier chain use a raw_spinlock_t
PM: sleep: unmark 'state' functions as kernel-doc
arm64: dts: sc7180: Add required-opps for i2c
PM: domains: Add support for 'required-opps' to set default perf state
opp: Don't print an error if required-opps is missing
cpufreq: schedutil: Use kobject release() method to free sugov_tunables
PM: EM: Increase energy calculation precision
PM: sleep: check RTC features instead of ops in suspend_test
PM: sleep: s2idle: Replace deprecated CPU-hotplug functions
cpufreq: Replace deprecated CPU-hotplug functions
powercap: intel_rapl: Replace deprecated CPU-hotplug functions
PCI: PM: Enable PME if it can be signaled from D3cold
PCI: PM: Avoid forcing PCI_D0 for wakeup reasons inconsistently
PCI: Use pci_update_current_state() in pci_enable_device_flags()
mark 'smack_enabled' global variable as __initdata
Fix wrong semantics in smk_access_entry()
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Merge tag 'Smack-for-5.15' of git://github.com/cschaufler/smack-next
Pull smack updates from Casey Schaufler:
"There is a variable used only during start-up that's now marked
__initdata and a change where the code was working by sheer luck that
is now done properly.
Both have been in next for several weeks and pass the Smack testsuite"
* tag 'Smack-for-5.15' of git://github.com/cschaufler/smack-next:
smack: mark 'smack_enabled' global variable as __initdata
Smack: Fix wrong semantics in smk_access_entry()
Pull audit updates from Paul Moore:
"Two patches in the audit pull request for v5.15; one is trivial
("header protection") but the second is a real patch that fixes a
refcounting problem.
The refcount fix normally would have been sent up during the -rcX
cycle, but since we merged it less than a week before v5.14 proper I
felt it was better to wait for the merge window to open; the patch is
marked with the usual -stable markings"
* tag 'audit-pr-20210830' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: move put_tree() to avoid trim_trees refcount underflow and UAF
audit: add header protection to kernel/audit.h
Pull selinux update from Paul Moore:
"We've got an unusually small SELinux pull request for v5.15 that
consists of only one (?!) patch that is really pretty minor when you
look at it.
Unsurprisingly it passes all of our tests and merges cleanly on top of
your tree right now, please merge this for v5.15"
* tag 'selinux-pr-20210830' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: return early for possible NULL audit buffers
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Merge tag 'kernel.sys.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull set_user() update from Christian Brauner:
"This contains a single fix to set_user() which aligns permission
checks with the corresponding fork() codepath. No one involved in this
could come up with a reason for the difference.
A capable caller can already circumvent the check when they fork where
the permission checks are already for the relevant capabilities in
addition to also allowing to exceed nproc when it is the init user.
So apply the same logic to set_user()"
* tag 'kernel.sys.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
set_user: add capability check when rlimit(RLIMIT_NPROC) exceeds
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Merge tag 'fs.idmapped.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull idmapping documentation updates from Christian Brauner:
"The bulk of the idmapped work this cycle was adding support for
idmapped mounts to btrfs.
While this required the addition of a (simple) new vfs helper all the
work is going through David Sterba's btrfs tree. It was way simpler to
do it this way rather then forcing David to coordinate between his
btrfs and my tree. Plus I don't care who merges it as long as I feel I
can trust the maintainer and the btrfs folks were really fast and
helpful in reviewing this work.
As always, associated with the btrfs port for idmapped mounts is a new
fstests extension specifically concerned with btrfs ioctls (e.g.
subvolume creation, deletion etc.) on idmapped mounts which can be
found in the fstests repo as 5f8179ce8b00 ("btrfs: introduce btrfs
specific idmapped mounts tests").
Consequently, this cycle the idmapping pull is boring. It only
contains documentation updates, specifically about how idmappings and
idmapped mounts work"
* tag 'fs.idmapped.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
doc: give a more thorough id handling explanation
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Merge tag 'fs.close_range.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull close_range() cleanup from Christian Brauner:
"This is a cleanup for close_range() which was sent as part of a bugfix
we did some time ago in commit 9b5b872215 ("file: fix close_range()
for unshare+cloexec").
We used to share more code between some helpers for close_range()
which made retrieving the maximum number of open fds before calling
into the helpers sensible. But with the introduction of
CLOSE_RANGE_CLOEXEC and the need to retrieve the number of maximum fds
once more for CLOSE_RANGE_CLOEXEC that stopped making sense. So the
code was in a dumb in-limbo state.
Fix this by simplifying the code a bit.
The original idea was to only fix the bug itself and make backporting
easy. And since the cleanup wasn't very pressing I left it in
linux-next for a very long time. I didn't pull the patches from the
list again back then which is why they don't have lore-links. So I'm
listing them below explicitly"
Commit 03ba0fe4d0 ("file: simplify logic in __close_range()")
Link: https://lore.kernel.org/linux-fsdevel/20210402123548.108372-3-brauner@kernel.org
Commit f49fd6d3c0 ("file: let pick_file() tell caller it's done")
Link: https://lore.kernel.org/linux-fsdevel/20210402123548.108372-4-brauner@kernel.org
* tag 'fs.close_range.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
file: simplify logic in __close_range()
file: let pick_file() tell caller it's done
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Merge tag 'fs.move_mount.move_mount_set_group.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull move_mount updates from Christian Brauner:
"This contains an extension to the move_mount() syscall making it
possible to add a single private mount into an existing propagation
tree.
The use-case comes from the criu folks which have been struggling with
restoring complex mount trees for a long time. Variations of this work
have been discussed at Plumbers before, e.g.
https://www.linuxplumbersconf.org/event/7/contributions/640/
The extension to move_mount() enables criu to restore any set of mount
namespaces, mount trees and sharing group trees without introducing
yet more complexity into mount propagation itself.
The changes required to criu to make use of this and restore complex
propagation trees are available at
https://github.com/Snorch/criu/commits/mount-v2-poc
A cleaned-up version of this will go up for merging into the main criu
repo after this lands"
* tag 'fs.move_mount.move_mount_set_group.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
tests: add move_mount(MOVE_MOUNT_SET_GROUP) selftest
move_mount: allow to add a mount into an existing group
- Simplify the bio_end_page usage in the buffered IO code.
- Support reading inline data at nonzero offsets for erofs.
- Fix some typos and bad grammar.
- Convert kmap_atomic usage in the inline data read path.
- Add some extra inline data input checking.
- Fix a memory corruption bug stemming from iomap_swapfile_activate
trying to activate more pages than mm was expecting.
- Pass errnos through the page writeback code so that writeback errors
are reported correctly instead of being munged to EIO.
- Replace iomap_apply with a open-coded iterator loops to reduce the
number of indirect calls by a third to a half.
- Refactor the fsdax code to use iomap iterators instead of the
open-coded iomap_apply code that it had before.
- Format file range iomap tracepoint data in hexadecimal and
standardize the names used in the pretty-print string.
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Merge tag 'iomap-5.15-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap updates from Darrick Wong:
"The most notable externally visible change for this cycle is the
addition of support for reads to inline tail fragments of files, which
was requested by the erofs developers; and a correction for a kernel
memory corruption bug if the sysadmin tries to activate a swapfile
with more pages than the swapfile header suggests.
We also now report writeback completion errors to the file mapping
correctly, instead of munging all errors into EIO.
Internally, the bulk of the changes are Christoph's patchset to reduce
the indirect function call count by a third to a half by converting
iomap iteration from a loop pattern to a generator/consumer pattern.
As an added bonus, fsdax no longer open-codes iomap apply loops.
Summary:
- Simplify the bio_end_page usage in the buffered IO code.
- Support reading inline data at nonzero offsets for erofs.
- Fix some typos and bad grammar.
- Convert kmap_atomic usage in the inline data read path.
- Add some extra inline data input checking.
- Fix a memory corruption bug stemming from iomap_swapfile_activate
trying to activate more pages than mm was expecting.
- Pass errnos through the page writeback code so that writeback
errors are reported correctly instead of being munged to EIO.
- Replace iomap_apply with a open-coded iterator loops to reduce the
number of indirect calls by a third to a half.
- Refactor the fsdax code to use iomap iterators instead of the
open-coded iomap_apply code that it had before.
- Format file range iomap tracepoint data in hexadecimal and
standardize the names used in the pretty-print string"
* tag 'iomap-5.15-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (41 commits)
iomap: standardize tracepoint formatting and storage
mm/swap: consider max pages in iomap_swapfile_add_extent
iomap: move loop control code to iter.c
iomap: constify iomap_iter_srcmap
fsdax: switch the fault handlers to use iomap_iter
fsdax: factor out a dax_fault_actor() helper
fsdax: factor out helpers to simplify the dax fault code
iomap: rework unshare flag
iomap: pass an iomap_iter to various buffered I/O helpers
iomap: remove iomap_apply
fsdax: switch dax_iomap_rw to use iomap_iter
iomap: switch iomap_swapfile_activate to use iomap_iter
iomap: switch iomap_seek_data to use iomap_iter
iomap: switch iomap_seek_hole to use iomap_iter
iomap: switch iomap_bmap to use iomap_iter
iomap: switch iomap_fiemap to use iomap_iter
iomap: switch __iomap_dio_rw to use iomap_iter
iomap: switch iomap_page_mkwrite to use iomap_iter
iomap: switch iomap_zero_range to use iomap_iter
iomap: switch iomap_file_unshare to use iomap_iter
...
- Strengthen parameter checking for project quota ids.
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Merge tag 'vfs-5.15-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull project quota update from Darrick Wong:
"A single VFS patch that prevents userspace from setting project quota
ids on files that the VFS considers invalid"
* tag 'vfs-5.15-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
fs: forbid invalid project ID
- Support for server-side disconnect injection via debugfs
- Protocol definitions for new RPC_AUTH_TLS authentication flavor
Performance improvements:
- Reduce page allocator traffic in the NFSD splice read actor
- Reduce CPU utilization in svcrdma's Send completion handler
Notable bug fixes:
- Stabilize lockd operation when re-exporting NFS mounts
- Fix the use of %.*s in NFSD tracepoints
- Fix /proc/sys/fs/nfs/nsm_use_hostnames
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Merge tag 'nfsd-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd updates from Chuck Lever:
"New features:
- Support for server-side disconnect injection via debugfs
- Protocol definitions for new RPC_AUTH_TLS authentication flavor
Performance improvements:
- Reduce page allocator traffic in the NFSD splice read actor
- Reduce CPU utilization in svcrdma's Send completion handler
Notable bug fixes:
- Stabilize lockd operation when re-exporting NFS mounts
- Fix the use of %.*s in NFSD tracepoints
- Fix /proc/sys/fs/nfs/nsm_use_hostnames"
* tag 'nfsd-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (31 commits)
nfsd: fix crash on LOCKT on reexported NFSv3
nfs: don't allow reexport reclaims
lockd: don't attempt blocking locks on nfs reexports
nfs: don't atempt blocking locks on nfs reexports
Keep read and write fds with each nlm_file
lockd: update nlm_lookup_file reexport comment
nlm: minor refactoring
nlm: minor nlm_lookup_file argument change
lockd: lockd server-side shouldn't set fl_ops
SUNRPC: Add documentation for the fail_sunrpc/ directory
SUNRPC: Server-side disconnect injection
SUNRPC: Move client-side disconnect injection
SUNRPC: Add a /sys/kernel/debug/fail_sunrpc/ directory
svcrdma: xpt_bc_xprt is already clear in __svc_rdma_free()
nfsd4: Fix forced-expiry locking
rpc: fix gss_svc_init cleanup on failure
SUNRPC: Add RPC_AUTH_TLS protocol numbers
lockd: change the proc_handler for nsm_use_hostnames
sysctl: introduce new proc handler proc_dobool
SUNRPC: Fix a NULL pointer deref in trace_svc_stats_latency()
...
* Various withdraw related fixes (freeze glock recursion, thread
initialization / destruction order, journal recovery, glock cleanup,
withdraw under journal lock).
* Some error message improvements.
* Various minor cleanups.
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Merge tag 'gfs2-v5.14-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Andreas Gruenbacher:
- Various withdraw related fixes (freeze glock recursion, thread
initialization / destruction order, journal recovery, glock cleanup,
withdraw under journal lock).
- Some error message improvements.
- Various minor cleanups.
* tag 'gfs2-v5.14-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Remove redundant check from gfs2_glock_dq
gfs2: Delay withdraw from atomic context
gfs2: Don't call dlm after protocol is unmounted
gfs2: don't stop reads while withdraw in progress
gfs2: Mark journal inodes as "don't cache"
gfs2: nit: gfs2_drop_inode shouldn't return bool
gfs2: Eliminate vestigial HIF_FIRST
gfs2: Make recovery error more readable
gfs2: Don't release and reacquire local statfs bh
gfs2: init system threads before freeze lock
gfs2: tiny cleanup in gfs2_log_reserve
gfs2: trivial clean up of gfs2_ail_error
gfs2: be more verbose replaying invalid rgrp blocks
gfs2: Fix glock recursion in freeze_go_xmote_bh
gfs2: Fix memory leak of object lsi on error return path
Some small fixes and cleanups for fs/crypto/:
- Fix ->getattr() for ext4, f2fs, and ubifs to report the correct
st_size for encrypted symlinks.
- Use base64url instead of a custom Base64 variant.
- Document struct fscrypt_operations.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers:
"Some small fixes and cleanups for fs/crypto/:
- Fix ->getattr() for ext4, f2fs, and ubifs to report the correct
st_size for encrypted symlinks
- Use base64url instead of a custom Base64 variant
- Document struct fscrypt_operations"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fscrypt: document struct fscrypt_operations
fscrypt: align Base64 encoding with RFC 4648 base64url
fscrypt: remove mention of symlink st_size quirk from documentation
ubifs: report correct st_size for encrypted symlinks
f2fs: report correct st_size for encrypted symlinks
ext4: report correct st_size for encrypted symlinks
fscrypt: add fscrypt_symlink_getattr() for computing st_size
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Merge tag 'for-5.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"The highlights of this round are integrations with fs-verity and
idmapped mounts, the rest is usual mix of minor improvements, speedups
and cleanups.
There are some patches outside of btrfs, namely updating some VFS
interfaces, all straightforward and acked.
Features:
- fs-verity support, using standard ioctls, backward compatible with
read-only limitation on inodes with previously enabled fs-verity
- idmapped mount support
- make mount with rescue=ibadroots more tolerant to partially damaged
trees
- allow raid0 on a single device and raid10 on two devices,
degenerate cases but might be useful as an intermediate step during
conversion to other profiles
- zoned mode block group auto reclaim can be disabled via sysfs knob
Performance improvements:
- continue readahead of node siblings even if target node is in
memory, could speed up full send (on sample test +11%)
- batching of delayed items can speed up creating many files
- fsync/tree-log speedups
- avoid unnecessary work (gains +2% throughput, -2% run time on
sample load)
- reduced lock contention on renames (on dbench +4% throughput,
up to -30% latency)
Fixes:
- various zoned mode fixes
- preemptive flushing threshold tuning, avoid excessive work on
almost full filesystems
Core:
- continued subpage support, preparation for implementing remaining
features like compression and defragmentation; with some
limitations, write is now enabled on 64K page systems with 4K
sectors, still considered experimental
- no readahead on compressed reads
- inline extents disabled
- disabled raid56 profile conversion and mount
- improved flushing logic, fixing early ENOSPC on some workloads
- inode flags have been internally split to read-only and read-write
incompat bit parts, used by fs-verity
- new tree items for fs-verity
- descriptor item
- Merkle tree item
- inode operations extended to be namespace-aware
- cleanups and refactoring
Generic code changes:
- fs: new export filemap_fdatawrite_wbc
- fs: removed sync_inode
- block: bio_trim argument type fixups
- vfs: add namespace-aware lookup"
* tag 'for-5.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (114 commits)
btrfs: reset replace target device to allocation state on close
btrfs: zoned: fix ordered extent boundary calculation
btrfs: do not do preemptive flushing if the majority is global rsv
btrfs: reduce the preemptive flushing threshold to 90%
btrfs: tree-log: check btrfs_lookup_data_extent return value
btrfs: avoid unnecessarily logging directories that had no changes
btrfs: allow idmapped mount
btrfs: handle ACLs on idmapped mounts
btrfs: allow idmapped INO_LOOKUP_USER ioctl
btrfs: allow idmapped SUBVOL_SETFLAGS ioctl
btrfs: allow idmapped SET_RECEIVED_SUBVOL ioctls
btrfs: relax restrictions for SNAP_DESTROY_V2 with subvolids
btrfs: allow idmapped SNAP_DESTROY ioctls
btrfs: allow idmapped SNAP_CREATE/SUBVOL_CREATE ioctls
btrfs: check whether fsgid/fsuid are mapped during subvolume creation
btrfs: allow idmapped permission inode op
btrfs: allow idmapped setattr inode op
btrfs: allow idmapped tmpfile inode op
btrfs: allow idmapped symlink inode op
btrfs: allow idmapped mkdir inode op
...
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Merge tag '5.15-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs client updates from Steve French:
"Eleven cifs/smb3 client fixes:
- mostly restructuring to allow disabling less secure algorithms
(this will allow eventual removing rc4 and md4 from general use in
the kernel)
- four fixes, including two for stable
- enable r/w support with fscache and cifs.ko
I am working on a larger set of changes (the usual ... multichannel,
auth and signing improvements), but wanted to get these in earlier to
reduce chance of merge conflicts later in the merge window"
* tag '5.15-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Do not leak EDEADLK to dgetents64 for STATUS_USER_SESSION_DELETED
cifs: add cifs_common directory to MAINTAINERS file
cifs: cifs_md4 convert to SPDX identifier
cifs: create a MD4 module and switch cifs.ko to use it
cifs: fork arc4 and create a separate module for it for cifs and other users
cifs: remove support for NTLM and weaker authentication algorithms
cifs: enable fscache usage even for files opened as rw
oid_registry: Add OIDs for missing Spnego auth mechanisms to Macs
smb3: fix posix extensions mount option
cifs: fix wrong release in sess_alloc_buffer() failed path
CIFS: Fix a potencially linear read overflow
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Merge tag '5.15-rc-first-ksmbd-merge' of git://git.samba.org/ksmbd
Pull initial ksmbd implementation from Steve French:
"Initial merge of kernel smb3 file server, ksmbd.
The SMB family of protocols is the most widely deployed network
filesystem protocol, the default on Windows and Macs (and even on many
phones and tablets), with clients and servers on all major operating
systems, but lacked a kernel server for Linux. For many cases the
current userspace server choices were suboptimal either due to memory
footprint, performance or difficulty integrating well with advanced
Linux features.
ksmbd is a new kernel module which implements the server-side of the
SMB3 protocol. The target is to provide optimized performance, GPLv2
SMB server, and better lease handling (distributed caching). The
bigger goal is to add new features more rapidly (e.g. RDMA aka
"smbdirect", and recent encryption and signing improvements to the
protocol) which are easier to develop on a smaller, more tightly
optimized kernel server than for example in Samba.
The Samba project is much broader in scope (tools, security services,
LDAP, Active Directory Domain Controller, and a cross platform file
server for a wider variety of purposes) but the user space file server
portion of Samba has proved hard to optimize for some Linux workloads,
including for smaller devices.
This is not meant to replace Samba, but rather be an extension to
allow better optimizing for Linux, and will continue to integrate well
with Samba user space tools and libraries where appropriate. Working
with the Samba team we have already made sure that the configuration
files and xattrs are in a compatible format between the kernel and
user space server.
Various types of functional and regression tests are regularly run
against it. One example is the automated 'buildbot' regression tests
which use the Linux client to test against ksmbd, e.g.
http://smb3-test-rhel-75.southcentralus.cloudapp.azure.com/#/builders/8/builds/56
but other test suites, including Samba's smbtorture functional test
suite are also used regularly"
* tag '5.15-rc-first-ksmbd-merge' of git://git.samba.org/ksmbd: (219 commits)
ksmbd: fix __write_overflow warning in ndr_read_string
MAINTAINERS: ksmbd: add cifs_common directory to ksmbd entry
MAINTAINERS: ksmbd: update my email address
ksmbd: fix permission check issue on chown and chmod
ksmbd: don't set FILE DELETE and FILE_DELETE_CHILD in access mask by default
MAINTAINERS: add git adddress of ksmbd
ksmbd: update SMB3 multi-channel support in ksmbd.rst
ksmbd: smbd: fix kernel oops during server shutdown
ksmbd: remove select FS_POSIX_ACL in Kconfig
ksmbd: use proper errno instead of -1 in smb2_get_ksmbd_tcon()
ksmbd: update the comment for smb2_get_ksmbd_tcon()
ksmbd: change int data type to boolean
ksmbd: Fix multi-protocol negotiation
ksmbd: fix an oops in error handling in smb2_open()
ksmbd: add ipv6_addr_v4mapped check to know if connection from client is ipv4
ksmbd: fix missing error code in smb2_lock
ksmbd: use channel signingkey for binding SMB2 session setup
ksmbd: don't set RSS capable in FSCTL_QUERY_NETWORK_INTERFACE_INFO
ksmbd: Return STATUS_OBJECT_PATH_NOT_FOUND if smb2_creat() returns ENOENT
ksmbd: fix -Wstringop-truncation warnings
...
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Merge tag 'for-5.15/io_uring-vfs-2021-08-30' of git://git.kernel.dk/linux-block
Pull io_uring mkdirat/symlinkat/linkat support from Jens Axboe:
"This adds io_uring support for mkdirat, symlinkat, and linkat"
* tag 'for-5.15/io_uring-vfs-2021-08-30' of git://git.kernel.dk/linux-block:
io_uring: add support for IORING_OP_LINKAT
io_uring: add support for IORING_OP_SYMLINKAT
io_uring: add support for IORING_OP_MKDIRAT
namei: update do_*() helpers to return ints
namei: make do_linkat() take struct filename
namei: add getname_uflags()
namei: make do_symlinkat() take struct filename
namei: make do_mknodat() take struct filename
namei: make do_mkdirat() take struct filename
namei: change filename_parentat() calling conventions
namei: ignore ERR/NULL names in putname()
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Merge tag 'io_uring-bio-cache.5-2021-08-30' of git://git.kernel.dk/linux-block
Pull support for struct bio recycling from Jens Axboe:
"This adds bio recycling support for polled IO, allowing quick reuse of
a bio for high IOPS scenarios via a percpu bio_set list.
It's good for almost a 10% improvement in performance, bumping our
per-core IO limit from ~3.2M IOPS to ~3.5M IOPS"
* tag 'io_uring-bio-cache.5-2021-08-30' of git://git.kernel.dk/linux-block:
bio: improve kerneldoc documentation for bio_alloc_kiocb()
block: provide bio_clear_hipri() helper
block: use the percpu bio cache in __blkdev_direct_IO
io_uring: enable use of bio alloc cache
block: clear BIO_PERCPU_CACHE flag if polling isn't supported
bio: add allocation cache abstraction
fs: add kiocb alloc cache flag
bio: optimize initialization of a bio
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Merge tag 'for-5.15/drivers-2021-08-30' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
"Sitting on top of the core block changes, here are the driver changes
for the 5.15 merge window:
- NVMe updates via Christoph:
- suspend improvements for devices with an HMB (Keith Busch)
- handle double completions more gacefull (Sagi Grimberg)
- cleanup the selects for the nvme core code a bit (Sagi Grimberg)
- don't update queue count when failing to set io queues (Ruozhu Li)
- various nvmet connect fixes (Amit Engel)
- cleanup lightnvm leftovers (Keith Busch, me)
- small cleanups (Colin Ian King, Hou Pu)
- add tracing for the Set Features command (Hou Pu)
- CMB sysfs cleanups (Keith Busch)
- add a mutex_destroy call (Keith Busch)
- remove lightnvm subsystem. It's served its purpose and ultimately
led to zoned nvme support, we no longer need it (Christoph)
- revert floppy O_NDELAY fix (Denis)
- nbd fixes (Hou, Pavel, Baokun)
- nbd locking fixes (Tetsuo)
- nbd device removal fixes (Christoph)
- raid10 rcu warning fix (Xiao)
- raid1 write behind fix (Guoqing)
- rnbd fixes (Gioh, Md Haris)
- misc fixes (Colin)"
* tag 'for-5.15/drivers-2021-08-30' of git://git.kernel.dk/linux-block: (42 commits)
Revert "floppy: reintroduce O_NDELAY fix"
raid1: ensure write behind bio has less than BIO_MAX_VECS sectors
md/raid10: Remove unnecessary rcu_dereference in raid10_handle_discard
nbd: remove nbd->destroy_complete
nbd: only return usable devices from nbd_find_unused
nbd: set nbd->index before releasing nbd_index_mutex
nbd: prevent IDR lookups from finding partially initialized devices
nbd: reset NBD to NULL when restarting in nbd_genl_connect
nbd: add missing locking to the nbd_dev_add error path
nvme: remove the unused NVME_NS_* enum
nvme: remove nvm_ndev from ns
nvme: Have NVME_FABRICS select NVME_CORE instead of transport drivers
block: nbd: add sanity check for first_minor
nvmet: check that host sqsize does not exceed ctrl MQES
nvmet: avoid duplicate qid in connect cmd
nvmet: pass back cntlid on successful completion
nvme-rdma: don't update queue count when failing to set io queues
nvme-tcp: don't update queue count when failing to set io queues
nvme-tcp: pair send_mutex init with destroy
nvme: allow user toggling hmb usage
...
Core code:
- Cure a couple of incorrectness issues in the posix CPU timer code to
prevent that the tick dependency for NOHZ full is kept alive for no
reason.
- Avoid expensive double reprogramming of the clockevent device in
hrtimer_start_range_ns().
- Avoid pointless SMP function calls when the clock was set to avoid
disturbing CPUs which do not have any affected timers queued.
- Make the clocksource watchdog test work correctly when CONFIG_HZ is
less than 100.
Drivers:
- Prefer the ARM architected timer over the Exynos timer which is way
more expensive to access.
- Add device tree bindings for new Ingenic SoCs
- The usual improvements and cleanups all over the place
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Merge tag 'timers-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Updates for timekeeping, timers and related drivers:
Core code:
- Cure a couple of correctness issues in the posix CPU timer code to
prevent that the tick dependency for NOHZ full is kept alive for no
reason.
- Avoid expensive double reprogramming of the clockevent device in
hrtimer_start_range_ns().
- Avoid pointless SMP function calls when the clock was set to avoid
disturbing CPUs which do not have any affected timers queued.
- Make the clocksource watchdog test work correctly when CONFIG_HZ is
less than 100.
Drivers:
- Prefer the ARM architected timer over the Exynos timer which is way
more expensive to access.
- Add device tree bindings for new Ingenic SoCs
- The usual improvements and cleanups all over the place"
* tag 'timers-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (29 commits)
clocksource: Make clocksource watchdog test safe for slow-HZ systems
dt-bindings: timer: Add ABIs for new Ingenic SoCs
clocksource/drivers/fttmr010: Pass around less pointers
clocksource/drivers/mediatek: Optimize systimer irq clear flow on shutdown
clocksource/drivers/ingenic: Use bitfield macro helpers
clocksource/drivers/sh_cmt: Fix wrong setting if don't request IRQ for clock source channel
dt-bindings: timer: convert rockchip,rk-timer.txt to YAML
clocksource/drivers/exynos_mct: Mark MCT device as CLOCK_EVT_FEAT_PERCPU
clocksource/drivers/exynos_mct: Prioritise Arm arch timer on arm64
hrtimer: Unbreak hrtimer_force_reprogram()
hrtimer: Use raw_cpu_ptr() in clock_was_set()
hrtimer: Avoid more SMP function calls in clock_was_set()
hrtimer: Avoid unnecessary SMP function calls in clock_was_set()
hrtimer: Add bases argument to clock_was_set()
time/timekeeping: Avoid invoking clock_was_set() twice
timekeeping: Distangle resume and clock-was-set events
timerfd: Provide timerfd_resume()
hrtimer: Force clock_was_set() handling for the HIGHRES=n, NOHZ=y case
hrtimer: Ensure timerfd notification for HIGHRES=n
hrtimer: Consolidate reprogramming code
...
- Limit the Dell Optiplex 990 quirk to early BIOS versions to avoid the
full 'power cycle' alike reboot which is required for the buggy BIOSes.
- Update documentation for the reboot=pci command line option and
document how DMI platform quirks can be overridden.
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Merge tag 'x86-misc-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Thomas Gleixner:
"A set of updates for the x86 reboot code:
- Limit the Dell Optiplex 990 quirk to early BIOS versions to avoid
the full 'power cycle' alike reboot which is required for the buggy
BIOSes.
- Update documentation for the reboot=pci command line option and
document how DMI platform quirks can be overridden"
* tag 'x86-misc-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/reboot: Limit Dell Optiplex 990 quirk to early BIOS versions
x86/reboot: Document how to override DMI platform quirks
x86/reboot: Document the "reboot=pci" option
which can be found on various ALi chipsets and is also available on older
Intel systems which expose a PIRQ router. While the Intel support is more
or less nostalgia, the ALi chips are still in use on popular embedded
boards used for routers.
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Merge tag 'x86-irq-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 PIRQ updates from Thomas Gleixner:
"A set of updates to support port 0x22/0x23 based PCI configuration
space which can be found on various ALi chipsets and is also available
on older Intel systems which expose a PIRQ router.
While the Intel support is more or less nostalgia, the ALi chips are
still in use on popular embedded boards used for routers"
* tag 'x86-irq-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Fix typo s/ECLR/ELCR/ for the PIC register
x86: Avoid magic number with ELCR register accesses
x86/PCI: Add support for the Intel 82426EX PIRQ router
x86/PCI: Add support for the Intel 82374EB/82374SB (ESC) PIRQ router
x86/PCI: Add support for the ALi M1487 (IBC) PIRQ router
x86: Add support for 0x22/0x23 port I/O configuration space
A stop gap for potential future speculation related hardware
vulnerabilities and a mechanism for truly security paranoid
applications.
It allows a task to request that the L1D cache is flushed when the kernel
switches to a different mm. This can be requested via prctl().
Changes vs. the previous versions:
- Get rid of the software flush fallback
- Make the handling consistent with other mitigations
- Kill the task when it ends up on a SMT enabled core which defeats the
purpose of L1D flushing obviously
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Merge tag 'x86-cpu-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache flush updates from Thomas Gleixner:
"A reworked version of the opt-in L1D flush mechanism.
This is a stop gap for potential future speculation related hardware
vulnerabilities and a mechanism for truly security paranoid
applications.
It allows a task to request that the L1D cache is flushed when the
kernel switches to a different mm. This can be requested via prctl().
Changes vs the previous versions:
- Get rid of the software flush fallback
- Make the handling consistent with other mitigations
- Kill the task when it ends up on a SMT enabled core which defeats
the purpose of L1D flushing obviously"
* tag 'x86-cpu-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation: Add L1D flushing Documentation
x86, prctl: Hook L1D flushing in via prctl
x86/mm: Prepare for opt-in based L1D flush in switch_mm()
x86/process: Make room for TIF_SPEC_L1D_FLUSH
sched: Add task_work callback for paranoid L1D flush
x86/mm: Refactor cond_ibpb() to support other use cases
x86/smp: Add a per-cpu view of SMT state
Core changes:
- The usual set of small fixes and improvements all over the place, but nothing
outstanding
MSI changes:
- Further consolidation of the PCI/MSI interrupt chip code
- Make MSI sysfs code independent of PCI/MSI and expose the MSI interrupts
of platform devices in the same way as PCI exposes them.
Driver changes:
- Support for ARM GICv3 EPPI partitions
- Treewide conversion to generic_handle_domain_irq() for all chained
interrupt controllers
- Conversion to bitmap_zalloc() throughout the irq chip drivers
- The usual set of small fixes and improvements
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Merge tag 'irq-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates to the interrupt core and driver subsystems:
Core changes:
- The usual set of small fixes and improvements all over the place,
but nothing stands out
MSI changes:
- Further consolidation of the PCI/MSI interrupt chip code
- Make MSI sysfs code independent of PCI/MSI and expose the MSI
interrupts of platform devices in the same way as PCI exposes them.
Driver changes:
- Support for ARM GICv3 EPPI partitions
- Treewide conversion to generic_handle_domain_irq() for all chained
interrupt controllers
- Conversion to bitmap_zalloc() throughout the irq chip drivers
- The usual set of small fixes and improvements"
* tag 'irq-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
platform-msi: Add ABI to show msi_irqs of platform devices
genirq/msi: Move MSI sysfs handling from PCI to MSI core
genirq/cpuhotplug: Demote debug printk to KERN_DEBUG
irqchip/qcom-pdc: Trim unused levels of the interrupt hierarchy
irqdomain: Export irq_domain_disconnect_hierarchy()
irqchip/gic-v3: Fix priority comparison when non-secure priorities are used
irqchip/apple-aic: Fix irq_disable from within irq handlers
pinctrl/rockchip: drop the gpio related codes
gpio/rockchip: drop irq_gc_lock/irq_gc_unlock for irq set type
gpio/rockchip: support next version gpio controller
gpio/rockchip: use struct rockchip_gpio_regs for gpio controller
gpio/rockchip: add driver for rockchip gpio
dt-bindings: gpio: change items restriction of clock for rockchip,gpio-bank
pinctrl/rockchip: add pinctrl device to gpio bank struct
pinctrl/rockchip: separate struct rockchip_pin_bank to a head file
pinctrl/rockchip: always enable clock for gpio controller
genirq: Fix kernel doc indentation
EDAC/altera: Convert to generic_handle_domain_irq()
powerpc: Bulk conversion to generic_handle_domain_irq()
nios2: Bulk conversion to generic_handle_domain_irq()
...
The regular pile:
- A few improvements to the mutex code
- Documentation updates for atomics to clarify the difference between
cmpxchg() and try_cmpxchg() and to explain the forward progress
expectations.
- Simplification of the atomics fallback generator
- The addition of arch_atomic_long*() variants and generic arch_*()
bitops based on them.
- Add the missing might_sleep() invocations to the down*() operations of
semaphores.
The PREEMPT_RT locking core:
- Scheduler updates to support the state preserving mechanism for
'sleeping' spin- and rwlocks on RT. This mechanism is carefully
preserving the state of the task when blocking on a 'sleeping' spin- or
rwlock and takes regular wake-ups targeted at the same task into
account. The preserved or updated (via a regular wakeup) state is
restored when the lock has been acquired.
- Restructuring of the rtmutex code so it can be utilized and extended
for the RT specific lock variants.
- Restructuring of the ww_mutex code to allow sharing of the ww_mutex
specific functionality for rtmutex based ww_mutexes.
- Header file disentangling to allow substitution of the regular lock
implementations with the PREEMPT_RT variants without creating an
unmaintainable #ifdef mess.
- Shared base code for the PREEMPT_RT specific rw_semaphore and rwlock
implementations. Contrary to the regular rw_semaphores and rwlocks the
PREEMPT_RT implementation is writer unfair because it is infeasible to
do priority inheritance on multiple readers. Experience over the years
has shown that real-time workloads are not the typical workloads which
are sensitive to writer starvation. The alternative solution would be
to allow only a single reader which has been tried and discarded as it
is a major bottleneck especially for mmap_sem. Aside of that many of
the writer starvation critical usage sites have been converted to a
writer side mutex/spinlock and RCU read side protections in the past
decade so that the issue is less prominent than it used to be.
- The actual rtmutex based lock substitutions for PREEMPT_RT enabled
kernels which affect mutex, ww_mutex, rw_semaphore, spinlock_t and
rwlock_t. The spin/rw_lock*() functions disable migration across the
critical section to preserve the existing semantics vs. per CPU
variables.
- Rework of the futex REQUEUE_PI mechanism to handle the case of early
wake-ups which interleave with a re-queue operation to prevent the
situation that a task would be blocked on both the rtmutex associated
to the outer futex and the rtmutex based hash bucket spinlock.
While this situation cannot happen on !RT enabled kernels the changes
make the underlying concurrency problems easier to understand in
general. As a result the difference between !RT and RT kernels is
reduced to the handling of waiting for the critical section. !RT
kernels simply spin-wait as before and RT kernels utilize rcu_wait().
- The substitution of local_lock for PREEMPT_RT with a spinlock which
protects the critical section while staying preemptible. The CPU
locality is established by disabling migration.
The underlying concepts of this code have been in use in PREEMPT_RT for
way more than a decade. The code has been refactored several times over
the years and this final incarnation has been optimized once again to be
as non-intrusive as possible, i.e. the RT specific parts are mostly
isolated.
It has been extensively tested in the 5.14-rt patch series and it has
been verified that !RT kernels are not affected by these changes.
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Merge tag 'locking-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking and atomics updates from Thomas Gleixner:
"The regular pile:
- A few improvements to the mutex code
- Documentation updates for atomics to clarify the difference between
cmpxchg() and try_cmpxchg() and to explain the forward progress
expectations.
- Simplification of the atomics fallback generator
- The addition of arch_atomic_long*() variants and generic arch_*()
bitops based on them.
- Add the missing might_sleep() invocations to the down*() operations
of semaphores.
The PREEMPT_RT locking core:
- Scheduler updates to support the state preserving mechanism for
'sleeping' spin- and rwlocks on RT.
This mechanism is carefully preserving the state of the task when
blocking on a 'sleeping' spin- or rwlock and takes regular wake-ups
targeted at the same task into account. The preserved or updated
(via a regular wakeup) state is restored when the lock has been
acquired.
- Restructuring of the rtmutex code so it can be utilized and
extended for the RT specific lock variants.
- Restructuring of the ww_mutex code to allow sharing of the ww_mutex
specific functionality for rtmutex based ww_mutexes.
- Header file disentangling to allow substitution of the regular lock
implementations with the PREEMPT_RT variants without creating an
unmaintainable #ifdef mess.
- Shared base code for the PREEMPT_RT specific rw_semaphore and
rwlock implementations.
Contrary to the regular rw_semaphores and rwlocks the PREEMPT_RT
implementation is writer unfair because it is infeasible to do
priority inheritance on multiple readers. Experience over the years
has shown that real-time workloads are not the typical workloads
which are sensitive to writer starvation.
The alternative solution would be to allow only a single reader
which has been tried and discarded as it is a major bottleneck
especially for mmap_sem. Aside of that many of the writer
starvation critical usage sites have been converted to a writer
side mutex/spinlock and RCU read side protections in the past
decade so that the issue is less prominent than it used to be.
- The actual rtmutex based lock substitutions for PREEMPT_RT enabled
kernels which affect mutex, ww_mutex, rw_semaphore, spinlock_t and
rwlock_t. The spin/rw_lock*() functions disable migration across
the critical section to preserve the existing semantics vs per-CPU
variables.
- Rework of the futex REQUEUE_PI mechanism to handle the case of
early wake-ups which interleave with a re-queue operation to
prevent the situation that a task would be blocked on both the
rtmutex associated to the outer futex and the rtmutex based hash
bucket spinlock.
While this situation cannot happen on !RT enabled kernels the
changes make the underlying concurrency problems easier to
understand in general. As a result the difference between !RT and
RT kernels is reduced to the handling of waiting for the critical
section. !RT kernels simply spin-wait as before and RT kernels
utilize rcu_wait().
- The substitution of local_lock for PREEMPT_RT with a spinlock which
protects the critical section while staying preemptible. The CPU
locality is established by disabling migration.
The underlying concepts of this code have been in use in PREEMPT_RT for
way more than a decade. The code has been refactored several times over
the years and this final incarnation has been optimized once again to be
as non-intrusive as possible, i.e. the RT specific parts are mostly
isolated.
It has been extensively tested in the 5.14-rt patch series and it has
been verified that !RT kernels are not affected by these changes"
* tag 'locking-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (92 commits)
locking/rtmutex: Return success on deadlock for ww_mutex waiters
locking/rtmutex: Prevent spurious EDEADLK return caused by ww_mutexes
locking/rtmutex: Dequeue waiter on ww_mutex deadlock
locking/rtmutex: Dont dereference waiter lockless
locking/semaphore: Add might_sleep() to down_*() family
locking/ww_mutex: Initialize waiter.ww_ctx properly
static_call: Update API documentation
locking/local_lock: Add PREEMPT_RT support
locking/spinlock/rt: Prepare for RT local_lock
locking/rtmutex: Add adaptive spinwait mechanism
locking/rtmutex: Implement equal priority lock stealing
preempt: Adjust PREEMPT_LOCK_OFFSET for RT
locking/rtmutex: Prevent lockdep false positive with PI futexes
futex: Prevent requeue_pi() lock nesting issue on RT
futex: Simplify handle_early_requeue_pi_wakeup()
futex: Reorder sanity checks in futex_requeue()
futex: Clarify comment in futex_requeue()
futex: Restructure futex_requeue()
futex: Correct the number of requeued waiters for PI
futex: Remove bogus condition for requeue PI
...
- Replace get/put_online_cpus() in various places. The final removal will
happen shortly before v5.15-rc1 when the rest of the patches have been
merged.
- Add debug code to help the analysis of CPU hotplug failures
- A set of kernel doc updates
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Merge tag 'smp-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP core updates from Thomas Gleixner:
- Replace get/put_online_cpus() in various places. The final removal
will happen shortly before v5.15-rc1 when the rest of the patches
have been merged.
- Add debug code to help the analysis of CPU hotplug failures
- A set of kernel doc updates
* tag 'smp-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
mm: Replace deprecated CPU-hotplug functions.
md/raid5: Replace deprecated CPU-hotplug functions.
Documentation: Replace deprecated CPU-hotplug functions.
smp: Fix all kernel-doc warnings
cpu/hotplug: Add debug printks for hotplug callback failures
cpu/hotplug: Use DEVICE_ATTR_*() macro
cpu/hotplug: Eliminate all kernel-doc warnings
cpu/hotplug: Fix kernel doc warnings for __cpuhp_setup_state_cpuslocked()
cpu/hotplug: Fix comment typo
smpboot: Replace deprecated CPU-hotplug functions.
preventing object pool refill in atomic contexts.
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Merge tag 'core-debugobjects-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects update from Thomas Gleixner:
"A single commit for debugobjects to make them work on PREEMPT_RT by
preventing object pool refill in atomic contexts"
* tag 'core-debugobjects-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
debugobjects: Make them PREEMPT_RT aware
- EFI CPER parsing improvements,
- Don't take the address of efi_guid_t internal fields
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'efi-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"A handful of EFI changes for this cycle:
- EFI CPER parsing improvements
- Don't take the address of efi_guid_t internal fields"
* tag 'efi-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: cper: check section header more appropriately
efi: Don't use knowledge about efi_guid_t internals
efi: cper: fix scnprintf() use in cper_mem_err_location()
- Add support for Intel Sapphire Rapids server CPU uncore events
- Allow the AMD uncore driver to be built as a module
- Misc cleanups and fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf event updates from Ingo Molnar:
- Add support for Intel Sapphire Rapids server CPU uncore events
- Allow the AMD uncore driver to be built as a module
- Misc cleanups and fixes
* tag 'perf-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
perf/x86/amd/ibs: Add bitfield definitions in new <asm/amd-ibs.h> header
perf/amd/uncore: Allow the driver to be built as a module
x86/cpu: Add get_llc_id() helper function
perf/amd/uncore: Clean up header use, use <linux/ include paths instead of <asm/
perf/amd/uncore: Simplify code, use free_percpu()'s built-in check for NULL
perf/hw_breakpoint: Replace deprecated CPU-hotplug functions
perf/x86/intel: Replace deprecated CPU-hotplug functions
perf/x86: Remove unused assignment to pointer 'e'
perf/x86/intel/uncore: Fix IIO cleanup mapping procedure for SNR/ICX
perf/x86/intel/uncore: Support IMC free-running counters on Sapphire Rapids server
perf/x86/intel/uncore: Support IIO free-running counters on Sapphire Rapids server
perf/x86/intel/uncore: Factor out snr_uncore_mmio_map()
perf/x86/intel/uncore: Add alias PMU name
perf/x86/intel/uncore: Add Sapphire Rapids server MDF support
perf/x86/intel/uncore: Add Sapphire Rapids server M3UPI support
perf/x86/intel/uncore: Add Sapphire Rapids server UPI support
perf/x86/intel/uncore: Add Sapphire Rapids server M2M support
perf/x86/intel/uncore: Add Sapphire Rapids server IMC support
perf/x86/intel/uncore: Add Sapphire Rapids server PCU support
perf/x86/intel/uncore: Add Sapphire Rapids server M2PCIe support
...
- The biggest change in this cycle is scheduler support for asymmetric
scheduling affinity, to support the execution of legacy 32-bit tasks on
AArch32 systems that also have 64-bit-only CPUs.
Architectures can fill in this functionality by defining their
own task_cpu_possible_mask(p). When this is done, the scheduler will
make sure the task will only be scheduled on CPUs that support it.
(The actual arm64 specific changes are not part of this tree.)
For other architectures there will be no change in functionality.
- Add cgroup SCHED_IDLE support
- Increase node-distance flexibility & delay determining it until a CPU
is brought online. (This enables platforms where node distance isn't
final until the CPU is only.)
- Deadline scheduler enhancements & fixes
- Misc fixes & cleanups.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- The biggest change in this cycle is scheduler support for asymmetric
scheduling affinity, to support the execution of legacy 32-bit tasks
on AArch32 systems that also have 64-bit-only CPUs.
Architectures can fill in this functionality by defining their own
task_cpu_possible_mask(p). When this is done, the scheduler will make
sure the task will only be scheduled on CPUs that support it.
(The actual arm64 specific changes are not part of this tree.)
For other architectures there will be no change in functionality.
- Add cgroup SCHED_IDLE support
- Increase node-distance flexibility & delay determining it until a CPU
is brought online. (This enables platforms where node distance isn't
final until the CPU is only.)
- Deadline scheduler enhancements & fixes
- Misc fixes & cleanups.
* tag 'sched-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
eventfd: Make signal recursion protection a task bit
sched/fair: Mark tg_is_idle() an inline in the !CONFIG_FAIR_GROUP_SCHED case
sched: Introduce dl_task_check_affinity() to check proposed affinity
sched: Allow task CPU affinity to be restricted on asymmetric systems
sched: Split the guts of sched_setaffinity() into a helper function
sched: Introduce task_struct::user_cpus_ptr to track requested affinity
sched: Reject CPU affinity changes based on task_cpu_possible_mask()
cpuset: Cleanup cpuset_cpus_allowed_fallback() use in select_fallback_rq()
cpuset: Honour task_cpu_possible_mask() in guarantee_online_cpus()
cpuset: Don't use the cpu_possible_mask as a last resort for cgroup v1
sched: Introduce task_cpu_possible_mask() to limit fallback rq selection
sched: Cgroup SCHED_IDLE support
sched/topology: Skip updating masks for non-online nodes
sched: Replace deprecated CPU-hotplug functions.
sched: Skip priority checks with SCHED_FLAG_KEEP_PARAMS
sched: Fix UCLAMP_FLAG_IDLE setting
sched/deadline: Fix missing clock update in migrate_task_rq_dl()
sched/fair: Avoid a second scan of target in select_idle_cpu
sched/fair: Use prev instead of new target as recent_used_cpu
sched: Don't report SCHED_FLAG_SUGOV in sched_getattr()
...
the filesystem bits of resctrl, the ultimate goal being to support ARM's
equivalent technology MPAM, with the same fs interface (James Morse)
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Merge tag 'x86_cache_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 resource control updates from Borislav Petkov:
"A first round of changes towards splitting the arch-specific bits from
the filesystem bits of resctrl, the ultimate goal being to support
ARM's equivalent technology MPAM, with the same fs interface (James
Morse)"
* tag 'x86_cache_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
x86/resctrl: Make resctrl_arch_get_config() return its value
x86/resctrl: Merge the CDP resources
x86/resctrl: Expand resctrl_arch_update_domains()'s msr_param range
x86/resctrl: Remove rdt_cdp_peer_get()
x86/resctrl: Merge the ctrl_val arrays
x86/resctrl: Calculate the index from the configuration type
x86/resctrl: Apply offset correction when config is staged
x86/resctrl: Make ctrlval arrays the same size
x86/resctrl: Pass configuration type to resctrl_arch_get_config()
x86/resctrl: Add a helper to read a closid's configuration
x86/resctrl: Rename update_domains() to resctrl_arch_update_domains()
x86/resctrl: Allow different CODE/DATA configurations to be staged
x86/resctrl: Group staged configuration into a separate struct
x86/resctrl: Move the schemata names into struct resctrl_schema
x86/resctrl: Add a helper to read/set the CDP configuration
x86/resctrl: Swizzle rdt_resource and resctrl_schema in pseudo_lock_region
x86/resctrl: Pass the schema to resctrl filesystem functions
x86/resctrl: Add resctrl_arch_get_num_closid()
x86/resctrl: Store the effective num_closid in the schema
x86/resctrl: Walk the resctrl schema list instead of an arch list
...
minimal compiler version the kernel uses and thus avoid the need to
invoke the compiler unnecessarily.
- Cleanups
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Merge tag 'x86_build_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Borislav Petkov:
- Remove cc-option checks which are old and already supported by the
minimal compiler version the kernel uses and thus avoid the need to
invoke the compiler unnecessarily.
- Cleanups
* tag 'x86_build_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build: Move the install rule to arch/x86/Makefile
x86/build: Remove the left-over bzlilo target
x86/tools/relocs: Mark die() with the printf function attr format
x86/build: Remove stale cc-option checks
is not up yet - delay that processing until everything is ready
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Merge tag 'ras_core_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS update from Borislav Petkov:
"A single RAS change for 5.15:
- Do not start processing MCEs logged early because the decoding
chain is not up yet - delay that processing until everything is
ready"
* tag 'ras_core_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Defer processing of early errors
to the Intel SKx drivers
- Print additional useful per-channel error information on i10nm, like on SKL
- Check whether the AMD decoder is loaded on a guest and if so, don't
- The usual round of fixes and cleanups
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Merge tag 'edac_updates_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
"The usual EDAC stuff which managed to trickle in for 5.15:
- Add new HBM2 (High Bandwidth Memory Gen 2) type and add support for
it to the Intel SKx drivers
- Print additional useful per-channel error information on i10nm,
like on SKL
- Don't load the AMD EDAC decoder in virtual images
- The usual round of fixes and cleanups"
* tag 'edac_updates_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/i10nm: Retrieve and print retry_rd_err_log registers
EDAC/i10nm: Fix NVDIMM detection
EDAC/skx_common: Set the memory type correctly for HBM memory
EDAC/altera: Skip defining unused structures for specific configs
EDAC/mce_amd: Do not load edac_mce_amd module on guests
EDAC/mc: Add new HBM2 memory type
EDAC/amd64: Use DEVICE_ATTR helper macros
- Improve ftrace code patching so that stop_machine is not required anymore.
This requires a small common code patch acked by Steven Rostedt:
https://lore.kernel.org/linux-s390/20210730220741.4da6fdf6@oasis.local.home/
- Enable KCSAN for s390. This comes with a small common code change to fix a
compile warning. Acked by Marco Elver:
https://lore.kernel.org/r/20210729142811.1309391-1-hca@linux.ibm.com
- Add KFENCE support for s390. This also comes with a minimal x86 patch from
Marco Elver who said also this can be carried via the s390 tree:
https://lore.kernel.org/linux-s390/YQJdarx6XSUQ1tFZ@elver.google.com/
- More changes to prepare the decompressor for relocation.
- Enable DAT also for CPU restart path.
- Final set of register asm removal patches; leaving only three locations where
needed and sane.
- Add NNPA, Vector-Packed-Decimal-Enhancement Facility 2, PCI MIO support to
hwcaps flags.
- Cleanup hwcaps implementation.
- Add new instructions to in-kernel disassembler.
- Various QDIO cleanups.
- Add SCLP debug feature.
- Various other cleanups and improvements all over the place.
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Merge tag 's390-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Heiko Carstens:
- Improve ftrace code patching so that stop_machine is not required
anymore. This requires a small common code patch acked by Steven
Rostedt:
https://lore.kernel.org/linux-s390/20210730220741.4da6fdf6@oasis.local.home/
- Enable KCSAN for s390. This comes with a small common code change to
fix a compile warning. Acked by Marco Elver:
https://lore.kernel.org/r/20210729142811.1309391-1-hca@linux.ibm.com
- Add KFENCE support for s390. This also comes with a minimal x86 patch
from Marco Elver who said also this can be carried via the s390 tree:
https://lore.kernel.org/linux-s390/YQJdarx6XSUQ1tFZ@elver.google.com/
- More changes to prepare the decompressor for relocation.
- Enable DAT also for CPU restart path.
- Final set of register asm removal patches; leaving only three
locations where needed and sane.
- Add NNPA, Vector-Packed-Decimal-Enhancement Facility 2, PCI MIO
support to hwcaps flags.
- Cleanup hwcaps implementation.
- Add new instructions to in-kernel disassembler.
- Various QDIO cleanups.
- Add SCLP debug feature.
- Various other cleanups and improvements all over the place.
* tag 's390-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (105 commits)
s390: remove SCHED_CORE from defconfigs
s390/smp: do not use nodat_stack for secondary CPU start
s390/smp: enable DAT before CPU restart callback is called
s390: update defconfigs
s390/ap: fix state machine hang after failure to enable irq
KVM: s390: generate kvm hypercall functions
s390/sclp: add tracing of SCLP interactions
s390/debug: add early tracing support
s390/debug: fix debug area life cycle
s390/debug: keep debug data on resize
s390/diag: make restart_part2 a local label
s390/mm,pageattr: fix walk_pte_level() early exit
s390: fix typo in linker script
s390: remove do_signal() prototype and do_notify_resume() function
s390/crypto: fix all kernel-doc warnings in vfio_ap_ops.c
s390/pci: improve DMA translation init and exit
s390/pci: simplify CLP List PCI handling
s390/pci: handle FH state mismatch only on disable
s390/pci: fix misleading rc in clp_set_pci_fn()
s390/boot: factor out offset_vmlinux_info() function
...
Pull crypto updates from Herbert Xu:
"Algorithms:
- Add AES-NI/AVX/x86_64 implementation of SM4.
Drivers:
- Add Arm SMCCC TRNG based driver"
[ And obviously a lot of random fixes and updates - Linus]
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (84 commits)
crypto: sha512 - remove imaginary and mystifying clearing of variables
crypto: aesni - xts_crypt() return if walk.nbytes is 0
padata: Remove repeated verbose license text
crypto: ccp - Add support for new CCP/PSP device ID
crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation
crypto: x86/sm4 - export reusable AESNI/AVX functions
crypto: rmd320 - remove rmd320 in Makefile
crypto: skcipher - in_irq() cleanup
crypto: hisilicon - check _PS0 and _PR0 method
crypto: hisilicon - change parameter passing of debugfs function
crypto: hisilicon - support runtime PM for accelerator device
crypto: hisilicon - add runtime PM ops
crypto: hisilicon - using 'debugfs_create_file' instead of 'debugfs_create_regset32'
crypto: tcrypt - add GCM/CCM mode test for SM4 algorithm
crypto: testmgr - Add GCM/CCM mode test of SM4 algorithm
crypto: tcrypt - Fix missing return value check
crypto: hisilicon/sec - modify the hardware endian configuration
crypto: hisilicon/sec - fix the abnormal exiting process
crypto: qat - store vf.compatible flag
crypto: qat - do not export adf_iov_putmsg()
...
Pull RCU updates from Paul McKenney:
"RCU changes for this cycle were:
- Documentation updates
- Miscellaneous fixes
- Offloaded-callbacks updates
- Updates to the nolibc library
- Tasks-RCU updates
- In-kernel torture-test updates
- Torture-test scripting, perhaps most notably the pinning of
torture-test guest OSes so as to force differences in memory
latency. For example, in a two-socket system, a four-CPU guest OS
will have one pair of its CPUs pinned to threads in a single core
on one socket and the other pair pinned to threads in a single core
on the other socket. This approach proved able to force race
conditions that earlier testing missed. Some of these race
conditions are still being tracked down"
* 'core-rcu.2021.08.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (61 commits)
torture: Replace deprecated CPU-hotplug functions.
rcu: Replace deprecated CPU-hotplug functions
rcu: Print human-readable message for schedule() in RCU reader
rcu: Explain why rcu_all_qs() is a stub in preemptible TREE RCU
rcu: Use per_cpu_ptr to get the pointer of per_cpu variable
rcu: Remove useless "ret" update in rcu_gp_fqs_loop()
rcu: Mark accesses in tree_stall.h
rcu: Make rcu_gp_init() and rcu_gp_fqs_loop noinline to conserve stack
rcu: Mark lockless ->qsmask read in rcu_check_boost_fail()
srcutiny: Mark read-side data races
rcu: Start timing stall repetitions after warning complete
rcu: Do not disable GP stall detection in rcu_cpu_stall_reset()
rcu/tree: Handle VM stoppage in stall detection
rculist: Unify documentation about missing list_empty_rcu()
rcu: Mark accesses to ->rcu_read_lock_nesting
rcu: Weaken ->dynticks accesses and updates
rcu: Remove special bit at the bottom of the ->dynticks counter
rcu: Fix stall-warning deadlock due to non-release of rcu_node ->lock
rcu: Fix to include first blocked task in stall warning
torture: Make kvm-test-1-run-qemu.sh check for reboot loops
...
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Merge tag 'locks-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull file locking updates from Jeff Layton:
"This starts with a couple of fixes for potential deadlocks in the
fowner/fasync handling.
The next patch removes the old mandatory locking code from the kernel
altogether.
The last patch cleans up rw_verify_area a bit more after the mandatory
locking removal"
* tag 'locks-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
fs: clean up after mandatory file locking support removal
fs: remove mandatory file locking support
fcntl: fix potential deadlock for &fasync_struct.fa_lock
fcntl: fix potential deadlocks for &fown_struct.lock
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Merge tag 'tpmdd-next-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm driver updates from Jarkko Sakkinen:
"The highlights are:
- Support for signing LKM's with ECDSA keys
- An integer overflow bug fix in pkey"
* tag 'tpmdd-next-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
crypto: public_key: fix overflow during implicit conversion
tpm: ibmvtpm: Avoid error message when process gets signal while waiting
certs: Add support for using elliptic curve keys for signing modules
certs: Trigger creation of RSA module signing key if it's not an RSA key
char: tpm: cr50_i2c: convert to new probe interface
char: tpm: Kconfig: remove bad i2c cr50 select
A quiet release for SPI, some fixes and a couple of new drivers
plus one small refactoring:
- Move the chip select timing configuration from the controller
to the device to allow a bit more flexibility.
- New drivers for Rockchip SFC and Spreadtrum ADI.
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Merge tag 'spi-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A quiet release for SPI, some fixes and a couple of new drivers plus
one small refactoring:
- Move the chip select timing configuration from the controller to
the device to allow a bit more flexibility
- New drivers for Rockchip SFC and Spreadtrum ADI"
* tag 'spi-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (47 commits)
spi: spi-zynq-qspi: use wait_for_completion_timeout to make zynq_qspi_exec_mem_op not interruptible
spi: add sprd ADI for sc9863 and ums512
spi: Convert sprd ADI bindings to yaml
spi: sprd: Add ADI r3 support
spi: sprd: Fix the wrong WDG_LOAD_VAL
spi: davinci: invoke chipselect callback
spi: sprd: fill offset only to RD_CMD register for reading from slave device
spi: sprd: Make sure offset not equal to slave address size
spi: sprd: Pass offset instead of physical address to adi_read/_write()
spi: rockchip-sfc: Fix assigned but never used return error codes
spi: rockchip-sfc: Remove redundant IO operations
spi: stm32: fix excluded_middle.cocci warnings
spi: coldfire-qspi: Use clk_disable_unprepare in the remove function
spi: tegra20-slink: remove spi_master_put() in tegra_slink_remove()
spi: rockchip-sfc: add rockchip serial flash controller
spi: rockchip-sfc: Bindings for Rockchip serial flash controller
spi: orion: Prevent incorrect chip select behaviour
spi: mxic: add missing braces
spi: spi-pic32: Fix issue with uninitialized dma_slave_config
spi: spi-fsl-dspi: Fix issue with uninitialized dma_slave_config
...
A very quiet releases, some fixes and cleanups but not really
that many of them. There were a couple of new driver specific
pieces:
- Support for controlling the over/under voltage protection on
BD718xx devices.
- New drivers for Richtek RTQ2134, and RTQ6752.
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Merge tag 'regulator-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A very quiet releases, some fixes and cleanups but not really that
many of them. There were a couple of new driver specific pieces:
- Support for controlling the over/under voltage protection on
BD718xx devices
- New drivers for Richtek RTQ2134, and RTQ6752"
* tag 'regulator-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (37 commits)
regulator: vctrl: Avoid lockdep warning in enable/disable ops
regulator: vctrl: Use locked regulator_get_voltage in probe path
regulator: Documentation fix for regulator error notification helper
regulator: Minor regulator documentation fixes.
regulator: sy7636a: Use the regmap directly
regulator: sy7636a: Store the epd-pwr-good GPIO locally
regulator: sy7636a: Use the parent driver data
regulator: sy7636a: Remove the poll_enable_time
regulator: sy8827n: Enable REGCACHE_FLAT
regulator: sy8824x: Enable REGCACHE_FLAT
regulator: rtq2134: Fix coding style
regulator: hi6421v600: rename voltage range arrays
regulator: hi6421v600: use lowercase for ldo
regulator: fixed: use dev_err_probe for register
regulator: rtq2134: Add support for Richtek RTQ2134 SubPMIC
regulator: rtq2134: Add binding document for Richtek RTQ2134 SubPMIC
regulator: Fix a couple of spelling mistakes in Kconfig
regulator: rtq6752: fix reg reset behavior
regulator: da9063: Add support for full-current mode.
regulator: rt6245: make a const array func_base static, makes object smaller
...
A few small fixes for regmaps this time, plus support for
allowing drivers to select raw spinlocks for the locks in order
to allow usage in interrutpt controllers.
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Merge tag 'regmap-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"A few small fixes for regmaps this time, plus support for allowing
drivers to select raw spinlocks for the locks in order to allow usage
in interrutpt controllers"
* tag 'regmap-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: teach regmap to use raw spinlocks if requested in the config
regmap: allow const array for {devm_,}regmap_field_bulk_alloc reg_fields
regmap: Prefer unsigned int to bare use of unsigned
regmap: fix the offset of register error log
Linus Torvalds