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This patch simplifies function need_sync by eliminating a variable in
favor of just returning the appropriate value as soon as we know it.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Function gfs2_write_disk_quota checks if its write overflows onto
another page, and if so, does a second write. Before this patch it kept
two variables for this, but only one is needed. This patch simplifies
it by eliminating pg_oflow.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Function gfs2_write_buf_to_page uses variable done to exit its loop, but
it's unnecessary if we just code an infinite loop and exit when we need.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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This patch passes the superblock pointer to gfs2_write_buf_to_page so it
becomes more apparent it's dealing with the system quota file.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Like the previous patch, we now pass the superblock pointer to function
gfs2_write_disk_quota. This makes the code more understandable, since it
only operates on the quota inode.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Before this change function gfs2_adjust_quota's first parameter was an
gfs2_inode pointer. But it always pointed to the quota inode. Here we
switch that to pass the superblock pointer, sdp, so it is easier to read
the code and understand that it's only dealing with the quota inode.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Since patch 845802b112ee function gfs2_write_buf_to_page checks if the
target inode is jdata or ordered. This function only operates on the
system quota file, which is always jdata, so the check for jdata is
useless. This patch removes it.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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This patch adds a new mount option quota=quiet which is the same as
quota=on but it suppresses gfs2 quota error messages.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Add the device name to the names of the gfs2_logd and gfs2_quotad kernel
threads to allow for easier identification.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Rename the "gfs_recovery" workqueue to "gfs2_recovery", and
gfs_recovery_wq to gfs2_recovery_wq.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Function gfs2_withdraw() tries to synchronize concurrent callers by
atomically setting the SDF_WITHDRAWN flag in the first caller, setting
the SDF_WITHDRAW_IN_PROG flag to indicate that a withdraw is in
progress, performing the actual withdraw, and clearing the
SDF_WITHDRAW_IN_PROG flag when done. All other callers wait for the
SDF_WITHDRAW_IN_PROG flag to be cleared before returning.
This leaves a small window in which callers can find the SDF_WITHDRAWN
flag set before the SDF_WITHDRAW_IN_PROG flag has been set, causing them
to return prematurely, before the withdraw has been completed.
Fix that by setting the SDF_WITHDRAWN and SDF_WITHDRAW_IN_PROG flags
atomically.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Immediately stop the logd and quotad kernel threads when a filesystem
withdraw is detected: those threads aren't doing anything useful after a
withdraw. (Depends on the extra logd and quotad task struct references
held since commit 7a109f383fa3 ("gfs2: Fix asynchronous thread
destruction").)
In addition, check for kthread_should_stop() in the wait condition in
gfs2_quotad() to stop immediately when kthread_stop() is called.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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In gfs2_quotad(), switch from an open-coded wait loop to
wait_event_interruptible_timeout().
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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The kernel threads are currently stopped and destroyed synchronously by
gfs2_make_fs_ro() and gfs2_put_super(), and asynchronously by
signal_our_withdraw(), with no synchronization, so the synchronous and
asynchronous contexts can race with each other.
First, when creating the kernel threads, take an extra task struct
reference so that the task struct won't go away immediately when they
terminate. This allows those kthreads to terminate immediately when
they're done rather than hanging around as zombies until they are reaped
by kthread_stop(). When kthread_stop() is called on a terminated
kthread, it will return immediately.
Second, in signal_our_withdraw(), once the SDF_JOURNAL_LIVE flag has
been cleared, wake up the logd and quotad wait queues instead of
stopping the logd and quotad kthreads. The kthreads are then expected
to terminate automatically within short time, but if they cannot, they
will not block the withdraw.
For example, if a user process and one of the kthread decide to withdraw
at the same time, only one of them will perform the actual withdraw and
the other will wait for it to be done. If the kthread ends up being the
one to wait, the withdrawing user process won't be able to stop it.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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[ 81.372851][ T5532] CPU: 1 PID: 5532 Comm: syz-executor.0 Not tainted 6.2.0-rc1-syzkaller-dirty #0
[ 81.382080][ T5532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 81.392343][ T5532] Call Trace:
[ 81.395654][ T5532] <TASK>
[ 81.398603][ T5532] dump_stack_lvl+0x1b1/0x290
[ 81.418421][ T5532] gfs2_assert_warn_i+0x19a/0x2e0
[ 81.423480][ T5532] gfs2_quota_cleanup+0x4c6/0x6b0
[ 81.428611][ T5532] gfs2_make_fs_ro+0x517/0x610
[ 81.457802][ T5532] gfs2_withdraw+0x609/0x1540
[ 81.481452][ T5532] gfs2_inode_refresh+0xb2d/0xf60
[ 81.506658][ T5532] gfs2_instantiate+0x15e/0x220
[ 81.511504][ T5532] gfs2_glock_wait+0x1d9/0x2a0
[ 81.516352][ T5532] do_sync+0x485/0xc80
[ 81.554943][ T5532] gfs2_quota_sync+0x3da/0x8b0
[ 81.559738][ T5532] gfs2_sync_fs+0x49/0xb0
[ 81.564063][ T5532] sync_filesystem+0xe8/0x220
[ 81.568740][ T5532] generic_shutdown_super+0x6b/0x310
[ 81.574112][ T5532] kill_block_super+0x79/0xd0
[ 81.578779][ T5532] deactivate_locked_super+0xa7/0xf0
[ 81.584064][ T5532] cleanup_mnt+0x494/0x520
[ 81.593753][ T5532] task_work_run+0x243/0x300
[ 81.608837][ T5532] exit_to_user_mode_loop+0x124/0x150
[ 81.614232][ T5532] exit_to_user_mode_prepare+0xb2/0x140
[ 81.619820][ T5532] syscall_exit_to_user_mode+0x26/0x60
[ 81.625287][ T5532] do_syscall_64+0x49/0xb0
[ 81.629710][ T5532] entry_SYSCALL_64_after_hwframe+0x63/0xcd
In this backtrace, gfs2_quota_sync() takes quota data references and
then calls do_sync(). Function do_sync() encounters filesystem
corruption and withdraws the filesystem, which (among other things) calls
gfs2_quota_cleanup(). Function gfs2_quota_cleanup() wrongly assumes
that nobody is holding any quota data references anymore, and destroys
all quota data objects. When gfs2_quota_sync() then resumes and
dereferences the quota data objects it is holding, those objects are no
longer there.
Function gfs2_quota_cleanup() deals with resource deallocation and can
easily be delayed until gfs2_put_super() in the case of a filesystem
withdraw. In fact, most of the other work gfs2_make_fs_ro() does is
unnecessary during a withdraw as well, so change signal_our_withdraw()
to skip gfs2_make_fs_ro() and perform the necessary steps directly
instead.
Thanks to Edward Adam Davis <eadavis@sina.com> for the initial patches.
Link: https://lore.kernel.org/all/0000000000002b5e2405f14e860f@google.com
Reported-by: syzbot+3f6a670108ce43356017@syzkaller.appspotmail.com
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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In gfs2_quota_cleanup(), wait for the quota data objects to be freed
before returning. Otherwise, there is no guarantee that the quota data
objects will be gone when their kmem cache is destroyed.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Fix the refcount of quota data objects created directly by
gfs2_quota_init(): those are placed into the in-memory quota "database"
for eventual syncing to the main quota file, but they are not actively
held and should thus have an initial refcount of 0.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Once a filesystem is withdrawn, don't complain about quota changes
that can't be synced to the main quota file anymore.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Rename gfs2_qd_dispose() to gfs2_qd_dispose_list(). Move some code
duplicated in gfs2_qd_dispose_list() and gfs2_quota_cleanup() into a
new gfs2_qd_dispose() function.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Change gfs2_quota_cleanup() to move the quota data objects to dispose of
on a dispose list and call gfs2_qd_dispose() on that list, like
gfs2_qd_shrink_scan() does, instead of disposing of the quota data
objects directly.
This may look a bit pointless by itself, but it will make more sense in
combination with a fix that follows.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Function gfs2_qd_isolate must only return LRU_REMOVED when removing the
item from the lru list; otherwise, the number of items on the list will
go wrong.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Rename the SDF_DEACTIVATING flag to SDF_KILL to make it more obvious
that this relates to the kill_sb filesystem operation.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Rename sd_glock_wait to sd_kill_wait: we'll use it for other things
related to "killing" a filesystem on unmount soon (kill_sb).
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Before this patch many of the functions in quota.c got their superblock
pointer, sdp, from the quota_data's glock pointer. That's silly because
the qd already has its own pointer to the superblock (qd_sbd).
This patch changes references to use that instead, eliminating a level
of indirection.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Commit f07b35202148 ("GFS2: Made logd daemon take into account log
demand") changed gfs2_ail_flush_reqd() and gfs2_jrnl_flush_reqd() to
take sd_log_blks_needed into account, but the checks in
gfs2_log_commit() were not updated correspondingly.
Once that is fixed, gfs2_jrnl_flush_reqd() and gfs2_ail_flush_reqd() can
be used in gfs2_log_commit(). Make those two helpers available to
gfs2_log_commit() by defining them above gfs2_log_commit().
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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When quotad detects an I/O error, it sets sd_log_error and then it wakes
up logd to withdraw the filesystem. However, logd doesn't wake up when
sd_log_error is set. Fix that.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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First, function gfs2_ail_flush_reqd checks the SDF_FORCE_AIL_FLUSH flag
to determine if an AIL flush should be forced in low-memory situations.
However, it also immediately clears the flag, and when called repeatedly
as in function gfs2_logd, the flag will be lost. Fix that by pulling
the SDF_FORCE_AIL_FLUSH flag check out of gfs2_ail_flush_reqd.
Second, function gfs2_writepages sets the SDF_FORCE_AIL_FLUSH flag
whether or not enough pages were written. If enough pages could be
written, flushing the AIL is unnecessary, though.
Third, gfs2_writepages doesn't wake up logd after setting the
SDF_FORCE_AIL_FLUSH flag, so it can take a long time for logd to react.
It would be preferable to wake up logd, but that hurts the performance
of some workloads and we don't quite understand why so far, so don't
wake up logd so far.
Fixes: b066a4eebd4f ("gfs2: forcibly flush ail to relieve memory pressure")
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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In gfs2_logd(), switch from an open-coded wait loop to
wait_event_interruptible_timeout().
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Consider the following case:
1. A glock is held in shared mode.
2. A process requests the glock in exclusive mode (rename).
3. Before the lock is granted, more processes (read / ls) request the
glock in shared mode again.
4. gfs2 sends a request to dlm for the lock in exclusive mode because
that holder is at the head of the queue.
5. Somehow the dlm request gets canceled, so dlm sends us back a
response with state == LM_ST_SHARED and LM_OUT_CANCELED. So at that
point, the glock is still held in shared mode.
6. finish_xmote gets called to process the response from dlm. It detects
that the glock is not in the requested mode and no demote is in
progress, so it moves the canceled holder to the tail of the queue
and finds the new holder at the head of the queue. That holder is
requesting the glock in shared mode.
7. finish_xmote calls do_xmote to transition the glock into shared mode,
but the glock is already in shared mode and so do_xmote complains
about that with:
GLOCK_BUG_ON(gl, gl->gl_state == gl->gl_target);
Instead, in finish_xmote, after moving the canceled holder to the tail
of the queue, check if any new holders can be granted. Only call
do_xmote to repeat the dlm request if the holder at the head of the
queue is requesting the glock in a mode that is incompatible with the
mode the glock is currently held in.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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The last user of this flag was removed in commit b77b4a4815a9 ("gfs2:
Rework freeze / thaw logic").
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Change function do_promote to return true on success, and false
otherwise.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Revert the rest of commit 220cca2a4f58 ("GFS2: Change truncate page
allocation to be GFP_NOFS"):
In gfs2_unstuff_dinode(), there is no need to carry out the page cache
allocation under GFP_NOFS because inodes on the "regular" filesystem are
never un-inlined under memory pressure, so switch back from
find_or_create_page() to grab_cache_page() here as well.
Inodes on the "metadata" filesystem can theoretically be un-inlined
under memory pressure, but any page cache allocations in that context
would happen in GFP_NOFS context because those inodes have
inode->i_mapping->gfp_mask set to GFP_NOFS (see the previous patch).
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Set mapping->gfp mask to GFP_NOFS for all metadata inodes so that
allocating pages in the address space of those inodes won't call back
into the filesystem. This allows to switch back from
find_or_create_page() to grab_cache_page() in two places.
Partially reverts commit 220cca2a4f58 ("GFS2: Change truncate page
allocation to be GFP_NOFS").
Thanks to Dan Carpenter <dan.carpenter@linaro.org> for pointing out a
Smatch static checker warning.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Simplify code pattern of 'folio->index + folio_nr_pages(folio)' by using
the existing helper folio_next_index().
Signed-off-by: Minjie Du <duminjie@vivo.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- fixes for -Wmissing-prototype warnings
- missing compiler barrier in relaxed atomics
- some uaccess simplification, declutter
- removal of massive glocal struct cpuinfo_arc from bootlog code
- __switch_to consolidation (removal of inline asm variant)
- use GP to cache task pointer (vs. r25)
- misc rework of entry code
* tag 'arc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (24 commits)
ARC: boot log: fix warning
arc: Explicitly include correct DT includes
ARC: pt_regs: create seperate type for ecr
ARCv2: entry: rearrange pt_regs slightly
ARC: entry: replace 8 byte ADD.ne with 4 byte ADD2.ne
ARC: entry: replace 8 byte OR with 4 byte BSET
ARC: entry: Add more common chores to EXCEPTION_PROLOGUE
ARC: entry: EV_MachineCheck dont re-read ECR
ARC: entry: ARcompact EV_ProtV to use r10 directly
ARC: entry: rework (non-functional)
ARC: __switch_to: move ksp to thread_info from thread_struct
ARC: __switch_to: asm with dwarf ops (vs. inline asm)
ARC: kernel stack: INIT_THREAD need not setup @init_stack in @ksp
ARC: entry: use gp to cache task pointer (vs. r25)
ARC: boot log: eliminate struct cpuinfo_arc #4: boot log per ISA
ARC: boot log: eliminate struct cpuinfo_arc #3: don't export
ARC: boot log: eliminate struct cpuinfo_arc #2: cache
ARC: boot log: eliminate struct cpuinfo_arc #1: mm
ARCv2: memset: don't prefetch for len == 0 which happens a alot
ARC: uaccess: elide unaliged handling if hardware supports
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These fix cpufreq core and the pcc cpufreq driver, add per-policy
boost support to cpufreq and add Georgian translation Makefile
LANGUAGES in cpupower.
Specifics:
- Add Georgian translation to Makefile LANGUAGES in cpupower (Shuah
Khan).
- Add support for per-policy performance boost to cpufreq (Jie Zhan).
- Fix assorted issues in the cpufreq core, common governor code and
in the pcc cpufreq driver (Liao Chang)"
* tag 'pm-6.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Support per-policy performance boost
cpufreq: pcc: Fix the potentinal scheduling delays in target_index()
cpufreq: governor: Free dbs_data directly when gov->init() fails
cpufreq: Fix the race condition while updating the transition_task of policy
cpufreq: Avoid printing kernel addresses in cpufreq_resume()
cpupower: Add Georgian translation to Makefile LANGUAGES
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more thermal control updates from Rafael Wysocki:
"These are mostly updates of thermal control drivers for ARM platforms,
new thermal control support for Loongson-2 and a couple of core
cleanups made possible by recent changes merged previously.
Specifics:
- Check if the Tegra BPMP supports the trip points in order to set
the .set_trips callback (Mikko Perttunen)
- Add new Loongson-2 thermal sensor along with the DT bindings (Yinbo
Zhu)
- Use IS_ERR_OR_NULL() helper to replace a double test on the TI
bandgap sensor (Li Zetao)
- Remove redundant platform_set_drvdata() calls, as there are no
corresponding calls to platform_get_drvdata(), from a bunch of
drivers (Andrei Coardos)
- Switch the Mediatek LVTS mode to filtered in order to enable
interrupts (Nícolas F. R. A. Prado)
- Fix Wvoid-pointer-to-enum-cast warning on the Exynos TMU (Krzysztof
Kozlowski)
- Remove redundant dev_err_probe(), because the underlying function
already called it, from the Mediatek sensor (Chen Jiahao)
- Free calibration nvmem after reading it on sun8i (Mark Brown)
- Remove useless comment from the sun8i driver (Yangtao Li)
- Make tsens_xxxx_nvmem static to fix a sparse warning on QCom tsens
(Min-Hua Chen)
- Remove error message at probe deferral on imx8mm (Ahmad Fatoum)
- Fix parameter check in lvts_debugfs_init() with IS_ERR() on
Mediatek LVTS (Minjie Du)
- Fix interrupt routine and configuratoin for Mediatek LVTS (Nícolas
F. R. A. Prado)
- Drop unused .get_trip_type(), .get_trip_temp() and .get_trip_hyst()
thermal zone callbacks from the core and rework the .get_trend()
one to take a trip point pointer as an argument (Rafael Wysocki)"
* tag 'thermal-6.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (29 commits)
thermal: core: Rework .get_trend() thermal zone callback
thermal: core: Drop unused .get_trip_*() callbacks
thermal/drivers/tegra-bpmp: Check if BPMP supports trip points
thermal: dt-bindings: add loongson-2 thermal
thermal/drivers/loongson-2: Add thermal management support
thermal/drivers/ti-soc-thermal: Use helper function IS_ERR_OR_NULL()
thermal/drivers/generic-adc: Removed unneeded call to platform_set_drvdata()
thermal/drivers/max77620_thermal: Removed unneeded call to platform_set_drvdata()
thermal/drivers/mediatek/auxadc_thermal: Removed call to platform_set_drvdata()
thermal/drivers/sun8i_thermal: Remove unneeded call to platform_set_drvdata()
thermal/drivers/broadcom/brcstb_thermal: Removed unneeded platform_set_drvdata()
thermal/drivers/mediatek/lvts_thermal: Make readings valid in filtered mode
thermal/drivers/k3_bandgap: Remove unneeded call to platform_set_drvdata()
thermal/drivers/k3_j72xx_bandgap: Removed unneeded call to platform_set_drvdata()
thermal/drivers/broadcom/sr-thermal: Removed call to platform_set_drvdata()
thermal/drivers/samsung: Fix Wvoid-pointer-to-enum-cast warning
thermal/drivers/db8500: Remove redundant of_match_ptr()
thermal/drivers/mediatek: Clean up redundant dev_err_probe()
thermal/drivers/sun8i: Free calibration nvmem after reading it
thermal/drivers/sun8i: Remove unneeded comments
...
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"Support for booting the iMX remoteprocs using MMIO, instead of SMCCC
is added. The iMX driver is also extended to support delivering
interrupts from an arbitrary number of vdev.
Support is added to the TI PRU driver, to allow GPMUX to be controlled
from DeviceTree.
The Qualcomm coredump collector is extended to fall back to generating
a full coredump, in the case that the loaded firmware doesn't support
generating minidump. The overly terse MD abbreviation of "MINIDUMP" is
expanded, to make the code easier on the eye.
The list of Qualcomm Sensor Low Power Island (SLPI) instances
supported is cleaned up, and SDM845 is added. SDM630/636/660 support
for the modem subsystem (mss) is added.
All the Qualcomm drivers are transitioned to of_reserved_mem_lookup()
instead of open coding the resolution of reserved-memory regions, to
gain handling of error cases. A couple of drivers are transitioned to
use devm_platform_ioremap_resource_byname().
The stm32 remoteproc driver's PM operations are updated to modern
macros, to avoid the "unused variable"-warning in some configurations.
Drivers are transitioned away from directly including of_device.h"
* tag 'rproc-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (23 commits)
remoteproc: pru: add support for configuring GPMUX based on client setup
remoteproc: stm32: fix incorrect optional pointers
remoteproc: imx_rproc: Switch iMX8MN/MP from SMCCC to MMIO
dt-bindings: remoteproc: imx_rproc: Support i.MX8MN/P MMIO
dt-bindings: remoteproc: qcom,msm8996-mss-pil: Fix 8996 clocks
remoteproc: qcom: pas: add SDM845 SLPI compatible
remoteproc: qcom: q6v5-mss: Add support for SDM630/636/660
dt-bindings: remoteproc: qcom,msm8996-mss-pil: Add SDM660 compatible
remoteproc: qcom: Expand MD_* as MINIDUMP_*
remoteproc: qcom: pas: refactor SLPI remoteproc init
dt-bindings: remoteproc: qcom: adsp: add qcom,sdm845-slpi-pas compatible
remoteproc: qcom: wcnss: use devm_platform_ioremap_resource_byname()
remoteproc: qcom: q6v5: use devm_platform_ioremap_resource_byname()
dt-bindings: remoteproc: qcom: sm6115-pas: Add QCM2290
remoteproc: qcom: Add full coredump fallback mechanism
remoteproc: core: Export the rproc coredump APIs
remoteproc: qcom: Use of_reserved_mem_lookup()
remoteproc: imx_rproc: iterate all notifiyids in rx callback
dt-bindings: remoteproc: qcom,adsp: bring back firmware-name
dt-bindings: remoteproc: qcom,sm8550-pas: require memory-region
...
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
"Add support for the GLINK flow control signals, and expose this to the
user through the rpmsg_char interface. Add missing kstrdup() failure
handling during allocation of GLINK channel objects"
* tag 'rpmsg-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: glink: Avoid dereferencing NULL channel
rpmsg: glink: Add check for kstrdup
rpmsg: char: Add RPMSG GET/SET FLOWCONTROL IOCTL support
rpmsg: glink: Add support to handle signals command
rpmsg: core: Add signal API support
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull hwspinlock updates from Bjorn Andersson:
"Convert u8500 and omap drivers to void-returning remove.
Complete the support for representing the Qualcomm TCSR mutex as a
mmio device, and check the return value of devm_regmap_field_alloc()
in the same"
* tag 'hwlock-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
hwspinlock: qcom: add missing regmap config for SFPB MMIO implementation
hwspinlock: u8500: Convert to platform remove callback returning void
hwspinlock: omap: Convert to platform remove callback returning void
hwspinlock: omap: Emit only one error message for errors in .remove()
hwspinlock: add a check of devm_regmap_field_alloc in qcom_hwspinlock_probe
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"Core Frameworks:
- Add new framework to support Group Multi-Color (GMC) LEDs
- Offer an 'optional' API for non-essential LEDs
- Support obtaining 'max brightness' values from Device Tree
- Provide new led_classdev member 'color' (settable via DT and SYFS)
- Stop TTY Trigger from using the old LED_ON constraints
- Statically allocate leds_class
New Drivers:
- Add support for NXP PCA995x I2C Constant Current LED Driver
New Device Support:
- Add support for Siemens Simatic IPC BX-21 to Simatic IPC
Fix-ups:
- Some dependency / Kconfig tweaking
- Move final probe() functions back over from .probe_new()
- Simplify obtaining resources (memory, device data) using unified
API helpers
- Bunch of Device Tree additions, conversions and adaptions
- Fix trivial styling issues; comments
- Ensure correct includes are present and remove some that are not
required
- Omit the use of redundant casts and if relevant replace with better
ones
- Use purpose-built APIs for various actions; sysfs_emit(),
module_led_trigger()
- Remove a bunch of superfluous locking
Bug Fixes:
- Ensure error codes are correctly propagated back up the call chain
- Fix incorrect error values from being returned (missing '-')
- Ensure get'ed resources are put'ed to prevent leaks
- Use correct class when exporting module resources
- Fixing rounding (or lack there of) issues
- Fix 'always false' LED_COLOR_ID_MULTI BUG() check"
* tag 'leds-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (40 commits)
leds: aw2013: Enable pull-up supply for interrupt and I2C
dt-bindings: leds: Document pull-up supply for interrupt and I2C
dt-bindings: leds: aw2013: Document interrupt
leds: uleds: Use module_misc_device macro to simplify the code
leds: trigger: netdev: Use module_led_trigger macro to simplify the code
dt-bindings: leds: Fix reference to definition of default-state
leds: turris-omnia: Drop unnecessary mutex locking
leds: turris-omnia: Use sysfs_emit() instead of sprintf()
leds: Make leds_class a static const structure
leds: Remove redundant of_match_ptr()
dt-bindings: leds: Add gpio-line-names to PCA9532 GPIO
leds: trigger: tty: Do not use LED_ON/OFF constants, use led_blink_set_oneshot instead
dt-bindings: leds: rohm,bd71828: Drop select:false
leds: Fix BUG_ON check for LED_COLOR_ID_MULTI that is always false
leds: multicolor: Use rounded division when calculating color components
leds: rgb: Add a multicolor LED driver to group monochromatic LEDs
dt-bindings: leds: Add binding for a multicolor group of LEDs
leds: class: Store the color index in struct led_classdev
leds: Provide devm_of_led_get_optional()
leds: pca995x: Fix MODULE_DEVICE_TABLE for OF
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull NFD updates from Lee Jones:
"New Drivers:
- Add support for the Cirrus Logic CS42L43 Audio CODEC
Fix-ups:
- Make use of specific printk() format tags for various optimisations
- Kconfig / module modifications / tweaking
- Simplify obtaining resources (memory, device data) using unified
API helpers
- Bunch of Device Tree additions, conversions and adaptions
- Convert a bunch of Regmap configurations to use the Maple Tree
cache
- Ensure correct includes are present and remove some that are not
required
- Remove superfluous code
- Reduce amount of cycles spent in critical sections
- Omit the use of redundant casts and if relevant replace with better
ones
- Swap out raw_spin_{un}lock_irq{save,restore}() for
spin_{un}lock_irq{save,restore}()
Bug Fixes:
- Repair theoretical deadlock situation
- Fix some link-time dependencies
- Use more appropriate datatype when casting"
* tag 'mfd-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (70 commits)
mfd: mc13xxx: Simplify device data fetching in probe()
mfd: rz-mtu3: Replace raw_spin_lock->spin_lock()
mfd: rz-mtu3: Reduce critical sections
mfd: mxs-lradc: Fix Wvoid-pointer-to-enum-cast warning
mfd: wm31x: Fix Wvoid-pointer-to-enum-cast warning
mfd: wm8994: Fix Wvoid-pointer-to-enum-cast warning
mfd: tc3589: Fix Wvoid-pointer-to-enum-cast warning
mfd: lp87565: Fix Wvoid-pointer-to-enum-cast warning
mfd: hi6421-pmic: Fix Wvoid-pointer-to-enum-cast warning
mfd: max77541: Fix Wvoid-pointer-to-enum-cast warning
mfd: max14577: Fix Wvoid-pointer-to-enum-cast warning
mfd: stmpe: Fix Wvoid-pointer-to-enum-cast warning
mfd: rn5t618: Remove redundant of_match_ptr()
mfd: lochnagar-i2c: Remove redundant of_match_ptr()
mfd: stpmic1: Remove redundant of_match_ptr()
mfd: act8945a: Remove redundant of_match_ptr()
mfd: rsmu_spi: Remove redundant of_match_ptr()
mfd: altera-a10sr: Remove redundant of_match_ptr()
mfd: rsmu_i2c: Remove redundant of_match_ptr()
mfd: tc3589x: Remove redundant of_match_ptr()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"I2C has mainly cleanups this time and a few driver improvements.
Because a lot of developers were on holidays (including myself) it was
a good timing to apply lots of cleanups which would normally cause
merge conflicts with other floating patches. Extra thanks go to Andi
Shyti who backed me up when I was on a four week hiatus. This is also
the reason that some patches were commited later than ideal"
* tag 'i2c-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (67 commits)
i2c: at91: Use dev_err_probe() instead of dev_err()
I2C: ali15x3: Do PCI error checks on own line
i2c: Make return value check more accurate and explicit for devm_pinctrl_get()
i2c: designware: Add support for recovery when GPIO need pinctrl
i2c: mlxcpld: Add support for extended transaction length
i2c: mlxcpld: Allow driver to run on ARM64 architecture
i2c: nforce2: Do PCI error check on own line
i2c: sis5595: Do PCI error checks on own line
i2c: qcom-cci: Fix error checking in cci_probe()
i2c: muxes: pca954x: Add regulator support
i2c: muxes: pca954x: Add MAX735x/MAX736x support
dt-bindings: i2c: Add Maxim MAX735x/MAX736x variants
dt-bindings: i2c: pca954x: Correct interrupt support
i2c: pnx: Use devm_platform_get_and_ioremap_resource()
i2c: pxa: Use devm_platform_get_and_ioremap_resource()
i2c: s3c2410: Use devm_platform_get_and_ioremap_resource()
i2c: sh_mobile: Use devm_platform_get_and_ioremap_resource()
i2c: st: Use devm_platform_get_and_ioremap_resource()
i2c: qcom-geni: Convert to devm_platform_ioremap_resource()
i2c: stm32f4: Use devm_platform_get_and_ioremap_resource()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Do not try to get the console lock when it is not need or useful in
panic()
- Replace the global console_suspended state by a per-console flag
- Export symbols needed for dumping the raw printk buffer in panic()
- Fix documentation of printf formats for integer types
- Moved Sergey Senozhatsky to the reviewer role
- Misc cleanups
* tag 'printk-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: export symbols for debug modules
lib: test_scanf: Add explicit type cast to result initialization in test_number_prefix()
printk: ringbuffer: Fix truncating buffer size min_t cast
printk: Rename abandon_console_lock_in_panic() to other_cpu_in_panic()
printk: Add per-console suspended state
printk: Consolidate console deferred printing
printk: Do not take console lock for console_flush_on_panic()
printk: Keep non-panic-CPUs out of console lock
printk: Reduce console_unblank() usage in unsafe scenarios
kdb: Do not assume write() callback available
docs: printk-formats: Treat char as always unsigned
docs: printk-formats: Fix hex printing of signed values
MAINTAINERS: adjust printk/vsprintf entries
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull clocksource/clockevent driver updates from Thomas Gleixner:
- Remove the OXNAS driver instead of adding a new one!
- A set of boring fixes, cleanups and improvements
* tag 'timers-core-2023-09-04-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Explicitly include correct DT includes
clocksource/drivers/sun5i: Convert to platform device driver
clocksource/drivers/sun5i: Remove pointless struct
clocksource/drivers/sun5i: Remove duplication of code and data
clocksource/drivers/loongson1: Set variable ls1x_timer_lock storage-class-specifier to static
clocksource/drivers/arm_arch_timer: Disable timer before programming CVAL
dt-bindings: timer: oxsemi,rps-timer: remove obsolete bindings
clocksource/drivers/timer-oxnas-rps: Remove obsolete timer driver
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The vendor check introduced by commit 554b841d4703 ("tpm: Disable RNG for
all AMD fTPMs") doesn't work properly on a number of Intel fTPMs. On the
reported systems the TPM doesn't reply at bootup and returns back the
command code. This makes the TPM fail probe on Lenovo Legion Y540 laptop.
Since only Microsoft Pluton is the only known combination of AMD CPU and
fTPM from other vendor, disable hwrng otherwise. In order to make sysadmin
aware of this, print also info message to the klog.
Cc: stable@vger.kernel.org
Fixes: 554b841d4703 ("tpm: Disable RNG for all AMD fTPMs")
Reported-by: Todd Brandt <todd.e.brandt@intel.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217804
Reported-by: Patrick Steinhardt <ps@pks.im>
Reported-by: Raymond Jay Golo <rjgolo@gmail.com>
Reported-by: Ronan Pigott <ronan@rjp.ie>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Some error paths don't call acpi_put_table() before returning.
Branch to the correct place instead of doing some direct return.
Fixes: 4d2732882703 ("tpm_crb: Add support for CRB devices based on Pluton")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Matthew Garrett <mgarrett@aurora.tech>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu updates from Greg Ungerer:
"Two changes, one a trivial white space clean up, the other removes the
unnecessary local pcibios_setup() code"
* tag 'm68knommu-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: coldfire: dma_timer: ERROR: "foo __init bar" should be "foo __init bar"
m68k/pci: Drop useless pcibios_setup()
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git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML updates from Richard Weinberger:
- Drop 32-bit checksum implementation and re-use it from arch/x86
- String function cleanup
- Fixes for -Wmissing-variable-declarations and -Wmissing-prototypes
builds
* tag 'uml-for-linus-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
um: virt-pci: fix missing declaration warning
um: Refactor deprecated strncpy to memcpy
um: fix 3 instances of -Wmissing-prototypes
um: port_kern: fix -Wmissing-variable-declarations
uml: audio: fix -Wmissing-variable-declarations
um: vector: refactor deprecated strncpy
um: use obj-y to descend into arch/um/*/
um: Hard-code the result of 'uname -s'
um: Use the x86 checksum implementation on 32-bit
asm-generic: current: Don't include thread-info.h if building asm
um: Remove unsued extern declaration ldt_host_info()
um: Fix hostaudio build errors
um: Remove strlcpy usage
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