llist_del_first_this() deletes a specific entry from an llist, providing
it is at the head of the list. Multiple threads can call this
concurrently providing they each offer a different entry.
This can be uses for a set of worker threads which are on the llist when
they are idle. The head can always be woken, and when it is woken it
can remove itself, and possibly wake the next if there is an excess of
work to do.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
With an llist we don't need to take a lock to add a thread to the list,
though we still need a lock to remove it. That will go in the next
patch.
Unlike double-linked lists, a thread cannot reliably remove itself from
the list. Only the first thread can be removed, and that can change
asynchronously. So some care is needed.
We already check if there is pending work to do, so we are unlikely to
add ourselves to the idle list and then want to remove ourselves again.
If we DO find something needs to be done after adding ourselves to the
list, we simply wake up the first thread on the list. If that was us,
we successfully removed ourselves and can continue. If it was some
other thread, they will do the work that needs to be done. We can
safely sleep until woken.
We also remove the test on freezing() from rqst_should_sleep(). Instead
we set TASK_FREEZABLE before scheduling. This makes is safe to
schedule() when a freeze is pending. As we now loop waiting to be
removed from the idle queue, this is a cleaner way to handle freezing.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
With list.h lists, it is easy to test if a node is on a list, providing
it was initialised and that it is removed with list_del_init().
This patch provides similar functionality for llist.h lists.
init_llist_node()
marks a node as being not-on-any-list be setting the ->next pointer to
the node itself.
llist_on_list()
tests if the node is on any list.
llist_del_first_init()
remove the first element from a llist, and marks it as being off-list.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
We can tell if a pool is congested by checking if the idle list is
empty. We don't need a separate flag.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Rather than searching a list of threads to find an idle one, having a
list of idle threads allows an idle thread to be found immediately.
This adds some spin_lock calls which is not ideal, but as the hold-time
is tiny it is still faster than searching a list. A future patch will
remove them using llist.h. This involves some subtlety and so is left
to a separate patch.
This removes the need for the RQ_BUSY flag. The rqst is "busy"
precisely when it is not on the "idle" list.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
svc threads are currently stopped using kthread_stop(). This requires
identifying a specific thread. However we don't care which thread
stops, just as long as one does.
So instead, set a flag in the svc_pool to say that a thread needs to
die, and have each thread check this flag instead of calling
kthread_should_stop(). The first thread to find and clear this flag
then moves towards exiting.
This removes an explicit dependency on sp_all_threads which will make a
future patch simpler.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Both nfsd and nfsv4-callback take a temporary reference to the svc_serv
while calling svc_set_num_threads() to stop the last thread. lockd does
not.
This extra reference prevents the scv_serv from being freed when the
last thread drops its reference count. This is not currently needed
for lockd as the svc_serv is not accessed after the last thread is told
to exit.
However a future patch will require svc_exit_thread() to access the
svc_serv after the svc_put() so it will need the code that calls
svc_set_num_threads() to keep a reference and keep the svc_serv active.
So copy the pattern from nfsd and nfsv4-cb to lockd, and take a
reference around svc_set_num_threads(.., 0)
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Using svc_recv() for (NFSv4.1) back-channel handling means we have just
one mechanism for waking threads.
Also change kthread_freezable_should_stop() in nfs4_callback_svc() to
kthread_should_stop() as used elsewhere.
kthread_freezable_should_stop() effectively adds a try_to_freeze() call,
and svc_recv() already contains that at an appropriate place.
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
The test robot complained that, in some build configurations, the
@error variable in bc_svc_process's only caller is set but never
used. This happens because dprintk() is the only consumer of that
value.
- Remove the dprintk() call sites in favor of the svc_process
tracepoint
- The @error variable and the return value of bc_svc_process() are
now unused, so get rid of them.
- The @serv parameter is set to rqstp->rq_serv by the only caller,
and bc_svc_process() then uses it only to set rqstp->rq_serv. It
can be removed.
- Rename bc_svc_process() according to the convention that
globally-visible RPC server functions have names that begin with
"svc_"; and because it is globally-visible, give it a proper
kdoc comment.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202308121314.HA8Rq2XG-lkp@intel.com/
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
svc_get_next_xprt() does a lot more than just get an xprt. It also
decides if it needs to sleep, depending not only on the availability of
xprts but also on the need to exit or handle external work.
So rename it to svc_rqst_wait_for_work() and only do the testing and
waiting. Move all the waiting-related code out of svc_recv() into the
new svc_rqst_wait_for_work().
Move the dequeueing code out of svc_get_next_xprt() into svc_recv().
Previously svc_xprt_dequeue() would be called twice, once before waiting
and possibly once after. Now instead rqst_should_sleep() is called
twice. Once to decide if waiting is needed, and once to check against
after setting the task state do see if we might have missed a wakeup.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
svc_xprt_handle() does lots of things itself, but leaves some to the
caller - svc_recv(). This isn't elegant.
Move that code out of svc_recv() into svc_xprt_handle()
Move the calls to svc_xprt_release() from svc_send() and svc_drop()
(the two possible final steps in svc_process()) and from svc_recv() (in
the case where svc_process() wasn't called) into svc_xprt_handle().
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This patch adds a note to enable EXPORT_OP_ASYNC_LOCK for
asynchronous lock request handling.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This patch fixes a race in async lock request handling between adding
the relevant struct nlm_block to nlm_blocked list after the request was
sent by vfs_lock_file() and nlmsvc_grant_deferred() does a lookup of the
nlm_block in the nlm_blocked list. It could be that the async request is
completed before the nlm_block was added to the list. This would end
in a -ENOENT and a kernel log message of "lockd: grant for unknown
block".
To solve this issue we add the nlm_block before the vfs_lock_file() call
to be sure it has been added when a possible nlmsvc_grant_deferred() is
called. If the vfs_lock_file() results in an case when it wouldn't be
added to nlm_blocked list, the nlm_block struct will be removed from
this list again.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This patch returns nlm_lck_blocked in nlmsvc_lock() when an asynchronous
lock request is pending. During testing I ran into the case with the
side-effects that lockd is waiting for only one lm_grant() callback
because it's already part of the nlm_blocked list. If another
asynchronous for the same nlm_block is triggered two lm_grant()
callbacks will occur but lockd was only waiting for one.
To avoid any change of existing users this handling will only being made
when export_op_support_safe_async_lock() returns true.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This patch reverts mostly commit 40595cdc93 ("nfs: block notification
on fs with its own ->lock") and introduces an EXPORT_OP_ASYNC_LOCK
export flag to signal that the "own ->lock" implementation supports
async lock requests. The only main user is DLM that is used by GFS2 and
OCFS2 filesystem. Those implement their own lock() implementation and
return FILE_LOCK_DEFERRED as return value. Since commit 40595cdc93
("nfs: block notification on fs with its own ->lock") the DLM
implementation were never updated. This patch should prepare for DLM
to set the EXPORT_OP_ASYNC_LOCK export flag and update the DLM
plock implementation regarding to it.
Acked-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
If fsync() is returning EAGAIN, then we can assume that the filesystem
being exported is something like NFS with the 'softerr' mount option
enabled, and that it is just asking us to replay the fsync() operation
at a later date.
If we see an ESTALE, then ditto: the file is gone, so there is no danger
of losing the error.
For those cases, do not reset the write verifier. A write verifier
change has a global effect, causing retransmission by all clients of
all uncommitted unstable writes for all files, so it is worth
mitigating where possible.
Link: https://lore.kernel.org/linux-nfs/20230911184357.11739-1-trond.myklebust@hammerspace.com/
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
The nfsd_open code handles EOPENSTALE correctly, by retrying the call to
fh_verify() and __nfsd_open(). However the filecache just drops the
error on the floor, and immediately returns nfserr_stale to the caller.
This patch ensures that we propagate the EOPENSTALE code back to
nfsd_file_do_acquire, and that we handle it correctly.
Fixes: 65294c1f2c ("nfsd: add a new struct file caching facility to nfsd")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Message-Id: <20230911183027.11372-1-trond.myklebust@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Add trace points on destination server to track inter and intra
server copy operations.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Tested-by: Chen Hanxiao <chenhx.fnst@fujitsu.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Prepare for adding server copy trace points.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Tested-by: Chen Hanxiao <chenhx.fnst@fujitsu.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This reverts commit 45e34c8af5, and the
two subsequent fixes to it:
3f874c9b2a ("x86/smp: Don't send INIT to non-present and non-booted CPUs")
b1472a60a5 ("x86/smp: Don't send INIT to boot CPU")
because it seems to result in hung machines at shutdown. Particularly
some Dell machines, but Thomas says
"The rest seems to be Lenovo and Sony with Alderlake/Raptorlake CPUs -
at least that's what I could figure out from the various bug reports.
I don't know which CPUs the DELL machines have, so I can't say it's a
pattern.
I agree with the revert for now"
Ashok Raj chimes in:
"There was a report (probably this same one), and it turns out it was a
bug in the BIOS SMI handler.
The client BIOS's were waiting for the lowest APICID to be the SMI
rendevous master. If this is MeteorLake, the BSP wasn't the one with
the lowest APIC and it triped here.
The BIOS change is also being pushed to others for assimilation :)
Server BIOS's had this correctly for a while now"
and it does look likely to be some bad interaction between SMI and the
non-BSP cores having put into INIT (and thus unresponsive until reset).
Link: https://bbs.archlinux.org/viewtopic.php?pid=2124429
Link: https://www.reddit.com/r/openSUSE/comments/16qq99b/tumbleweed_shutdown_did_not_finish_completely/
Link: https://forum.artixlinux.org/index.php/topic,5997.0.html
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2241279
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 295525e29a ("virtio_net: merge dma operations when filling
mergeable buffers") unmaps the buffer with DMA_ATTR_SKIP_CPU_SYNC when
the dma->ref is zero. We do that with DMA_ATTR_SKIP_CPU_SYNC, because we
do not want to do the sync for the entire page_frag. But that misses the
sync for the current area.
This patch does cpu sync regardless of whether the ref is zero or not.
Fixes: 295525e29a ("virtio_net: merge dma operations when filling mergeable buffers")
Reported-by: Michael Roth <michael.roth@amd.com>
Closes: http://lore.kernel.org/all/20230926130451.axgodaa6tvwqs3ut@amd.com
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here are some USB and Thunderbolt driver fixes for 6.6-rc6 to resolve a
number of small reported issues. Included in here are:
- thunderbolt driver fixes
- xhci driver fixes
- cdns3 driver fixes
- musb driver fixes
- a number of typec driver fixes
- a few other small driver fixes
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt fixes from Greg KH:
"Here are some USB and Thunderbolt driver fixes for 6.6-rc6 to resolve
a number of small reported issues. Included in here are:
- thunderbolt driver fixes
- xhci driver fixes
- cdns3 driver fixes
- musb driver fixes
- a number of typec driver fixes
- a few other small driver fixes
All of these have been in linux-next with no reported issues"
* tag 'usb-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
usb: typec: ucsi: Use GET_CAPABILITY attributes data to set power supply scope
usb: typec: ucsi: Fix missing link removal
usb: typec: altmodes/displayport: Signal hpd low when exiting mode
xhci: Preserve RsvdP bits in ERSTBA register correctly
xhci: Clear EHB bit only at end of interrupt handler
xhci: track port suspend state correctly in unsuccessful resume cases
usb: xhci: xhci-ring: Use sysdev for mapping bounce buffer
usb: typec: ucsi: Clear EVENT_PENDING bit if ucsi_send_command fails
usb: misc: onboard_hub: add support for Microchip USB2412 USB 2.0 hub
usb: gadget: udc-xilinx: replace memcpy with memcpy_toio
usb: cdns3: Modify the return value of cdns_set_active () to void when CONFIG_PM_SLEEP is disabled
usb: dwc3: Soft reset phy on probe for host
usb: hub: Guard against accesses to uninitialized BOS descriptors
usb: typec: qcom: Update the logic of regulator enable and disable
usb: gadget: ncm: Handle decoding of multiple NTB's in unwrap call
usb: musb: Get the musb_qh poniter after musb_giveback
usb: musb: Modify the "HWVers" register address
usb: cdnsp: Fixes issue with dequeuing not queued requests
thunderbolt: Restart XDomain discovery handshake after failure
thunderbolt: Correct TMU mode initialization from hardware
...
Here are some small tty/serial driver fixes for 6.6-rc6 that resolve
some reported issues. Included in here are:
- serial core pm runtime fix for issue reported by many
- 8250_omap driver fix
- rs485 spinlock fix for reported problem
- ams-delta bugfix for previous tty api changes in -rc1 that missed
this driver that never seems to get built in any test systems
All of these have been in linux-next for over a week with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty/serial driver fixes for 6.6-rc6 that resolve
some reported issues. Included in here are:
- serial core pm runtime fix for issue reported by many
- 8250_omap driver fix
- rs485 spinlock fix for reported problem
- ams-delta bugfix for previous tty api changes in -rc1 that missed
this driver that never seems to get built in any test systems
All of these have been in linux-next for over a week with no reported
problems"
* tag 'tty-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
ASoC: ti: ams-delta: Fix cx81801_receive() argument types
serial: core: Fix checks for tx runtime PM state
serial: 8250_omap: Fix errors with no_console_suspend
serial: Reduce spinlocked portion of uart_rs485_config()
Here is a small set of char/misc and other smaller driver subsystem
fixes for 6.6-rc6. Included in here are:
- lots of iio driver fixes
- binder memory leak fix
- mcb driver fixes
- counter driver fixes
- firmware loader documentation fix
- embargoed hardware issue documentation update
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here is a small set of char/misc and other smaller driver subsystem
fixes for 6.6-rc6. Included in here are:
- lots of iio driver fixes
- binder memory leak fix
- mcb driver fixes
- counter driver fixes
- firmware loader documentation fix
- documentation update for embargoed hardware issues
All of these have been in linux-next for over a week with no reported
issues"
* tag 'char-misc-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (22 commits)
iio: pressure: ms5611: ms5611_prom_is_valid false negative bug
dt-bindings: iio: adc: adi,ad7292: Fix additionalProperties on channel nodes
iio: adc: ad7192: Correct reference voltage
iio: light: vcnl4000: Don't power on/off chip in config
iio: addac: Kconfig: update ad74413r selections
iio: pressure: dps310: Adjust Timeout Settings
iio: imu: bno055: Fix missing Kconfig dependencies
iio: adc: imx8qxp: Fix address for command buffer registers
iio: cros_ec: fix an use-after-free in cros_ec_sensors_push_data()
iio: irsd200: fix -Warray-bounds bug in irsd200_trigger_handler
dt-bindings: iio: rohm,bu27010: add missing vdd-supply to example
binder: fix memory leaks of spam and pending work
firmware_loader: Update contact emails for ABI docs
Documentation: embargoed-hardware-issues.rst: Clarify prenotifaction
mcb: remove is_added flag from mcb_device struct
coresight: tmc-etr: Disable warnings for allocation failures
coresight: Fix run time warnings while reusing ETR buffer
iio: admv1013: add mixer_vgate corner cases
iio: pressure: bmp280: Fix NULL pointer exception
iio: dac: ad3552r: Correct device IDs
...
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Merge tag 'ovl-fixes-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Pull overlayfs fixes from Amir Goldstein:
- Various fixes for regressions due to conversion to new mount
api in v6.5
- Disable a new mount option syntax (append lowerdir) that was
added in v6.5 because we plan to add a different lowerdir
append syntax in v6.7
* tag 'ovl-fixes-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: temporarily disable appending lowedirs
ovl: fix regression in showing lowerdir mount option
ovl: fix regression in parsing of mount options with escaped comma
fs: factor out vfs_parse_monolithic_sep() helper
- Fix softlockup/crash when using hcall tracing.
- Fix pte_access_permitted() for PAGE_NONE on 8xx.
- Fix inverted pte_young() test in __ptep_test_and_clear_young() on 64-bit BookE.
- Fix unhandled math emulation exception on 85xx.
- Fix kernel crash on syscall return on 476.
Thanks to: Athira Rajeev, Christophe Leroy, Eddie James, Naveen N Rao.
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Merge tag 'powerpc-6.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix softlockup/crash when using hcall tracing
- Fix pte_access_permitted() for PAGE_NONE on 8xx
- Fix inverted pte_young() test in __ptep_test_and_clear_young()
on 64-bit BookE
- Fix unhandled math emulation exception on 85xx
- Fix kernel crash on syscall return on 476
Thanks to Athira Rajeev, Christophe Leroy, Eddie James, and Naveen N
Rao.
* tag 'powerpc-6.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/47x: Fix 47x syscall return crash
powerpc/85xx: Fix math emulation exception
powerpc/64e: Fix wrong test in __ptep_test_and_clear_young()
powerpc/8xx: Fix pte_access_permitted() for PAGE_NONE
powerpc/pseries: Remove unused r0 in the hcall tracing code
powerpc/pseries: Fix STK_PARAM access in the hcall tracing code
prototypes between architectures.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'smp-urgent-2023-10-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug fix from Ingo Molnar:
"Fix a Longsoon build warning by harmonizing the
arch_[un]register_cpu() prototypes between architectures"
* tag 'smp-urgent-2023-10-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu-hotplug: Provide prototypes for arch CPU registration
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Merge tag '6.6-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- Fix for possible double free in RPC read
- Add additional check to clarify smb2_open path and quiet Coverity
- Fix incorrect error rsp in a compounding path
- Fix to properly fail open of file with pending delete on close
* tag '6.6-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix potential double free on smb2_read_pipe() error path
ksmbd: fix Null pointer dereferences in ksmbd_update_fstate()
ksmbd: fix wrong error response status by using set_smb2_rsp_status()
ksmbd: not allow to open file if delelete on close bit is set
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Merge tag '6.6-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- fix caching race with open_cached_dir and laundromat cleanup of
cached dirs (addresses a problem spotted with xfstest run with
directory leases enabled)
- reduce excessive resource usage of laundromat threads
* tag '6.6-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: prevent new fids from being removed by laundromat
smb: client: make laundromat a delayed worker
Kernel v6.5 converted overlayfs to new mount api.
As an added bonus, it also added a feature to allow appending lowerdirs
using lowerdir=:/lower2,lowerdir=::/data3 syntax.
This new syntax has raised some concerns regarding escaping of colons.
We decided to try and disable this syntax, which hasn't been in the wild
for so long and introduce it again in 6.7 using explicit mount options
lowerdir+=/lower2,datadir+=/data3.
Suggested-by: Miklos Szeredi <miklos@szeredi.hu>
Link: https://lore.kernel.org/r/CAJfpegsr3A4YgF2YBevWa6n3=AcP7hNndG6EPMu3ncvV-AM71A@mail.gmail.com/
Fixes: b36a5780cb ("ovl: modify layer parameter parsing")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
* Fix calculation of offset of AG's last block and its length.
* Update incore AG block count when shrinking an AG.
* Process free extents to busy list in FIFO order.
* Make XFS report its i_version as the STATX_CHANGE_COOKIE.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.6-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Chandan Babu:
- Fix calculation of offset of AG's last block and its length
- Update incore AG block count when shrinking an AG
- Process free extents to busy list in FIFO order
- Make XFS report its i_version as the STATX_CHANGE_COOKIE
* tag 'xfs-6.6-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: reinstate the old i_version counter as STATX_CHANGE_COOKIE
xfs: Remove duplicate include
xfs: correct calculation for agend and blockcount
xfs: process free extents to busy list in FIFO order
xfs: adjust the incore perag block_count when shrinking
Before commit b36a5780cb ("ovl: modify layer parameter parsing"),
spaces and commas in lowerdir mount option value used to be escaped using
seq_show_option().
In current upstream, when lowerdir value has a space, it is not escaped
in /proc/mounts, e.g.:
none /mnt overlay rw,relatime,lowerdir=l l,upperdir=u,workdir=w 0 0
which results in broken output of the mount utility:
none on /mnt type overlay (rw,relatime,lowerdir=l)
Store the original lowerdir mount options before unescaping and show
them using the same escaping used for seq_show_option() in addition to
escaping the colon separator character.
Fixes: b36a5780cb ("ovl: modify layer parameter parsing")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
- a reworked way for handling reset delay on SMBus-connected Synaptics
touchpads (the original one, while being correct, uncovered an old bug
in fallback to PS/2 code that was fixed separately; the new one however
avoids having delay in serio port "fast" resume, and instead has the
wait in the RMI4 code)
- a fix for potential crashes when devices with Elan controllers (and
Synaptics) fall back to PS/2 code. Can't be hit without the original
patch above, but still good to have it fixed
- a couple new device IDs in xpad Xbox driver
- another quirk for Goodix driver to deal with stuff vendors put in ACPI
tables
- a fix for use-after-free on disconnect for powermate driver
- a quirk to not initialize PS/2 mouse port on Fujitsu Lifebook E5411
laptop as it makes keyboard not usable and the device uses
hid-over-i2c touchpad anyways.
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Merge tag 'input-for-v6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a reworked way for handling reset delay on SMBus-connected Synaptics
touchpads (the original one, while being correct, uncovered an old
bug in fallback to PS/2 code that was fixed separately; the new one
however avoids having delay in serio port "fast" resume, and instead
has the wait in the RMI4 code)
- a fix for potential crashes when devices with Elan controllers (and
Synaptics) fall back to PS/2 code. Can't be hit without the original
patch above, but still good to have it fixed
- a couple new device IDs in xpad Xbox driver
- another quirk for Goodix driver to deal with stuff vendors put in
ACPI tables
- a fix for use-after-free on disconnect for powermate driver
- a quirk to not initialize PS/2 mouse port on Fujitsu Lifebook E5411
laptop as it makes keyboard not usable and the device uses
hid-over-i2c touchpad anyways
* tag 'input-for-v6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: powermate - fix use-after-free in powermate_config_complete
Input: xpad - add PXN V900 support
Input: synaptics-rmi4 - handle reset delay when using SMBus trsnsport
Input: psmouse - fix fast_reconnect function for PS/2 mode
Revert "Input: psmouse - add delay when deactivating for SMBus mode"
Input: goodix - ensure int GPIO is in input for gpio_count == 1 && gpio_int_idx == 0 case
Input: i8042 - add Fujitsu Lifebook E5411 to i8042 quirk table
Input: xpad - add HyperX Clutch Gladiate Support
Add VID and PID to the xpad_device table to allow driver to use the PXN
V900 steering wheel, which is XTYPE_XBOX360 compatible in xinput mode.
Signed-off-by: Matthias Berndt <matthias_berndt@gmx.de>
Link: https://lore.kernel.org/r/4932699.31r3eYUQgx@fedora
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Touch controllers need some time after receiving reset command for the
firmware to finish re-initializing and be ready to respond to commands
from the host. The driver already had handling for the post-reset delay
for I2C and SPI transports, this change adds the handling to
SMBus-connected devices.
SMBus devices are peculiar because they implement legacy PS/2
compatibility mode, so reset is actually issued by psmouse driver on the
associated serio port, after which the control is passed to the RMI4
driver with SMBus companion device.
Note that originally the delay was added to psmouse driver in
92e24e0e57 ("Input: psmouse - add delay when deactivating for SMBus
mode"), but that resulted in an unwanted delay in "fast" reconnect
handler for the serio port, so it was decided to revert the patch and
have the delay being handled in the RMI4 driver, similar to the other
transports.
Tested-by: Jeffery Miller <jefferymiller@google.com>
Link: https://lore.kernel.org/r/ZR1yUFJ8a9Zt606N@penguin
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
When the SMBus connection is attempted psmouse_smbus_init() sets
the fast_reconnect pointer to psmouse_smbus_reconnecti(). If SMBus
initialization fails, elantech_setup_ps2() and synaptics_init_ps2() will
fallback to PS/2 mode, replacing the psmouse private data. This can cause
issues on resume, since psmouse_smbus_reconnect() expects to find an
instance of struct psmouse_smbus_dev in psmouse->private.
The issue was uncovered when in 92e24e0e57 ("Input: psmouse - add
delay when deactivating for SMBus mode") psmouse_smbus_reconnect()
started attempting to use more of the data structure. The commit was
since reverted, not because it was at fault, but because there was found
a better way of doing what it was attempting to do.
Fix the problem by resetting the fast_reconnect pointer in psmouse
structure in elantech_setup_ps2() and synaptics_init_ps2() when the PS/2
mode is used.
Reported-by: Thorsten Leemhuis <linux@leemhuis.info>
Tested-by: Thorsten Leemhuis <linux@leemhuis.info>
Signed-off-by: Jeffery Miller <jefferymiller@google.com>
Fixes: bf232e460a ("Input: psmouse-smbus - allow to control psmouse_deactivate")
Link: https://lore.kernel.org/r/20231005002249.554877-1-jefferymiller@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
A single tiny fix in the ufs driver core correcting the reversed logic
in an error message.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"A single tiny fix in the ufs driver core correcting the reversed logic
in an error message"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Correct clear TM error log
kernel_connect() which recently grown protection against someone using
BPF to rewrite the address. All but one marked for stable.
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Merge tag 'ceph-for-6.6-rc6' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"Fixes for an overreaching WARN_ON, two error paths and a switch to
kernel_connect() which recently grown protection against someone using
BPF to rewrite the address.
All but one marked for stable"
* tag 'ceph-for-6.6-rc6' of https://github.com/ceph/ceph-client:
ceph: fix type promotion bug on 32bit systems
libceph: use kernel_connect()
ceph: remove unnecessary IS_ERR() check in ceph_fname_to_usr()
ceph: fix incorrect revoked caps assert in ceph_fill_file_size()
Add an ACPI EC GPE detection quirk for HP Pavilion Gaming 15-dk1xxx
and ACPI IRQ override quirks for TongFang GM6BGEQ, GM6BG5Q and GM6BG0Q,
and for ASUS ExpertBook B1402CBA (Hans de Goede).
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Merge tag 'acpi-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Add an ACPI EC GPE detection quirk for HP Pavilion Gaming 15-dk1xxx
and ACPI IRQ override quirks for TongFang GM6BGEQ, GM6BG5Q and
GM6BG0Q, and for ASUS ExpertBook B1402CBA (Hans de Goede).
* tag 'acpi-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: resource: Add TongFang GM6BGEQ, GM6BG5Q and GM6BG0Q to irq1_edge_low_force_override[]
ACPI: EC: Add quirk for the HP Pavilion Gaming 15-dk1xxx
ACPI: resource: Skip IRQ override on ASUS ExpertBook B1402CBA
* A handful of build fixes.
* A fix to avoid mixing up user/kernel-mode breakpoints, which can
manifest as a hang when mixing k/uprobes with other breakpoint
sources.
* A fix to avoid double-allocting crash kernel memory.
* A fix for tracefs syscall name mangling, which was causing syscalls
not to show up in tracefs.
* A fix to the perf driver to enable the hw events when selected, which
can trigger a BUG on some userspace access patterns.
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Merge tag 'riscv-for-linus-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A handful of build fixes
- A fix to avoid mixing up user/kernel-mode breakpoints, which can
manifest as a hang when mixing k/uprobes with other breakpoint
sources
- A fix to avoid double-allocting crash kernel memory
- A fix for tracefs syscall name mangling, which was causing syscalls
not to show up in tracefs
- A fix to the perf driver to enable the hw events when selected, which
can trigger a BUG on some userspace access patterns
* tag 'riscv-for-linus-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
drivers: perf: Fix panic in riscv SBI mmap support
riscv: Fix ftrace syscall handling which are now prefixed with __riscv_
RISC-V: Fix wrong use of CONFIG_HAVE_SOFTIRQ_ON_OWN_STACK
riscv: kdump: fix crashkernel reserving problem on RISC-V
riscv: Remove duplicate objcopy flag
riscv: signal: fix sigaltstack frame size checking
riscv: errata: andes: Makefile: Fix randconfig build issue
riscv: Only consider swbp/ss handlers for correct privileged mode
riscv: kselftests: Fix mm build by removing testcases subdirectory
- single fix for making sdw bus irq conditionally built
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Merge tag 'soundwire-6.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire fix from Vinod Koul:
"A single fix for making sdw bus irq conditionally built"
* tag 'soundwire-6.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: bus: Make IRQ handling conditionally built
Driver fixes for:
- stm32 dma residue calculation and chaining
- stm32 mdma for setting inflight bytes, residue calculation
and resume abort
- channel request, channel enable and dma error in fsl_edma
- runtime pm imbalance in ste_dma40 driver
- deadlock fix in mediatek driver
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Merge tag 'dmaengine-fix-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
"Driver fixes for:
- stm32 dma residue calculation and chaining
- stm32 mdma for setting inflight bytes, residue calculation and
resume abort
- channel request, channel enable and dma error in fsl_edma
- runtime pm imbalance in ste_dma40 driver
- deadlock fix in mediatek driver"
* tag 'dmaengine-fix-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: fsl-edma: fix all channels requested when call fsl_edma3_xlate()
dmaengine: stm32-dma: fix residue in case of MDMA chaining
dmaengine: stm32-dma: fix stm32_dma_prep_slave_sg in case of MDMA chaining
dmaengine: stm32-mdma: set in_flight_bytes in case CRQA flag is set
dmaengine: stm32-mdma: use Link Address Register to compute residue
dmaengine: stm32-mdma: abort resume if no ongoing transfer
dmaengine: ste_dma40: Fix PM disable depth imbalance in d40_probe
dmaengine: mediatek: Fix deadlock caused by synchronize_irq()
dmaengine: idxd: use spin_lock_irqsave before wait_event_lock_irq
dmaengine: fsl-edma: fix edma4 channel enable failure on second attempt
dt-bindings: dmaengine: zynqmp_dma: add xlnx,bus-width required property
dmaengine: fsl-dma: fix DMA error when enabling sg if 'DONE' bit is set
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Merge tag 'media/v6.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- a core fix: Don't report V4L2_SUBDEV_CAP_STREAMS when API is disabled
- ipu-bridge: Add a missing acpi_dev_put()
- ov8858: fix driver for probe to work after 6.6-rc1
- xilinx-vipp: fix async notifier logic
* tag 'media/v6.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: i2c: ov8858: Don't set fwnode in the driver
media: ipu-bridge: Add missing acpi_dev_put() in ipu_bridge_get_ivsc_acpi_dev()
media: xilinx-vipp: Look for entities also in waiting_list
media: subdev: Don't report V4L2_SUBDEV_CAP_STREAMS when the streams API is disabled
Merge ACPI EC driver and ACPI resources handlig changes for 6.6-rc6:
- Add EC GPE fixup quirk for HP Pavilion Gaming 15-dk1xxx (Hans de
Goede).
- Add ACPI IRQ override quirks for TongFang GM6BGEQ, GM6BG5Q and
GM6BG0Q, and for ASUS ExpertBook B1402CBA (ans de Goede).
* acpi-ec:
ACPI: EC: Add quirk for the HP Pavilion Gaming 15-dk1xxx
* acpi-resource:
ACPI: resource: Add TongFang GM6BGEQ, GM6BG5Q and GM6BG0Q to irq1_edge_low_force_override[]
ACPI: resource: Skip IRQ override on ASUS ExpertBook B1402CBA
atomic-helper:
- Relax checks for unregistered connectors
dma-buf:
- Work around race condition when retrieving fence timestamp
gem:
- Avoid OOB access in BO memory range
panel:
- boe-tv101wun-ml6: Fix flickering
simpledrm:
- Fix error output
vwmgfx:
- Fix size calculation in texture-state code
- Ref GEM BOs in surfaces
msm:
- PHY/link training reset fix
- msm8998 - correct highest bank bit
- skip video mode if timing engine disabled
- check irq_of_parse_and_map return code
- add new lines to some prints
- fail atomic check for max mdp clk test
amdgpu:
- Seemless boot fix
- Fix TTM BO resource check
- SI fix for doorbell handling
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Merge tag 'drm-fixes-2023-10-13' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Weekly fixes, the core is msm and amdgpu with some scattered fixes
across vmwgfx, panel and the core stuff.
atomic-helper:
- Relax checks for unregistered connectors
dma-buf:
- Work around race condition when retrieving fence timestamp
gem:
- Avoid OOB access in BO memory range
panel:
- boe-tv101wun-ml6: Fix flickering
simpledrm:
- Fix error output
vwmgfx:
- Fix size calculation in texture-state code
- Ref GEM BOs in surfaces
msm:
- PHY/link training reset fix
- msm8998 - correct highest bank bit
- skip video mode if timing engine disabled
- check irq_of_parse_and_map return code
- add new lines to some prints
- fail atomic check for max mdp clk test
amdgpu:
- Seamless boot fix
- Fix TTM BO resource check
- SI fix for doorbell handling"
* tag 'drm-fixes-2023-10-13' of git://anongit.freedesktop.org/drm/drm:
drm/tiny: correctly print `struct resource *` on error
drm: Do not overrun array in drm_gem_get_pages()
drm/atomic-helper: relax unregistered connector check
drm/panel: boe-tv101wum-nl6: Completely pull GPW to VGL before TP term
drm/amdgpu: fix SI failure due to doorbells allocation
drm/amdgpu: add missing NULL check
drm/amd/display: Don't set dpms_off for seamless boot
drm/vmwgfx: Keep a gem reference to user bos in surfaces
drm/vmwgfx: fix typo of sizeof argument
drm/msm/dpu: fail dpu_plane_atomic_check() based on mdp clk limits
dma-buf: add dma_fence_timestamp helper
drm/msm/dp: Add newlines to debug printks
drm/msm/dpu: change _dpu_plane_calc_bw() to use u64 to avoid overflow
drm/msm/dsi: fix irq_of_parse_and_map() error checking
drm/msm/dsi: skip the wait for video mode done if not applicable
drm/msm/mdss: fix highest-bank-bit for msm8998
drm/msm/dp: do not reinitialize phy unless retry during link training
