Once a task grabs a trasnport it's reflected in the queuelen of
the rpc_xprt structure. Add display of that value in the xprt's
info file in sysfs.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
In preparation for when we can re-try a task on a different transport,
identify and mark such RPC tasks as moveable. Only 4.1+ operarations can
be re-tried on a different transport.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Using sysfs's xprt_state attribute, mark a particular transport offline.
It will not be picked during the round-robin selection. It's not allowed
to take the main (1st created transport associated with the rpc_client)
offline. Also bring a transport back online via sysfs by writing "online"
and that would allow for this transport to be picked during the round-
robin selection.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Using TCP connection's source port it is useful to match connections
seen on the network traces to the xprts used by the linux nfs client.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Provide ability to query transport's source port.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Display in sysfs in the information about the xprt if this is a
main transport or not.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
When an RPC client gets created it's first transport is special
and should be marked a main transport.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
In preparation of being able to change the xprt's state, add a way
to show currect state of the transport.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Allow to query xrpt_switch attributes. Currently showing the following
fields of the rpc_xprt_switch structure: xps_nxprts, xps_nactive,
xps_queuelen.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Allow to query transport's attributes. Currently showing following
fields of the rpc_xprt structure: state, last_used, cong, cwnd,
max_reqs, min_reqs, num_reqs, sizes of queues binding, sending,
pending, backlog.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Allow to query and set the destination's address of a transport.
Setting of the destination address is allowed only for TCP or RDMA
based connections.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Add individual transport directories under each transport switch
group. For instance, for each nconnect=X connections there will be
a transport directory. Naming conventions also identifies transport
type -- xprt-<id>-<type> where type is udp, tcp, rdma, local, bc.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
An rpc client uses a transport switch and one ore more transports
associated with that switch. Since transports are shared among
rpc clients, create a symlink into the xprt_switch directory
instead of duplicating entries under each rpc client.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Add xprt_switch directory to the sysfs and create individual
xprt_swith subdirectories for multipath transport group.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
We need to keep track of the type for a given transport.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This is used to uniquely identify sunrpc multipath objects in /sys.
Signed-off-by: Dan Aloni <dan@kernelim.com>
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This adds a unique identifier for a sunrpc transport in sysfs, which is
similarly managed to the unique IDs of clients.
Signed-off-by: Dan Aloni <dan@kernelim.com>
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
These will eventually have files placed under them for sysfs operations.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This is where we'll put per-rpc_client related files
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Highlights include
Stable fixes:
- Fix use-after-free in nfs4_init_client()
Bugfixes:
- Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode()
- Fix second deadlock in nfs4_evict_inode()
- nfs4_proc_set_acl should not change the value of NFS_CAP_UIDGID_NOMAP
- Fix setting of the NFS_CAP_SECURITY_LABEL capability
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Merge tag 'nfs-for-5.13-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
Stable fixes:
- Fix use-after-free in nfs4_init_client()
Bugfixes:
- Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode()
- Fix second deadlock in nfs4_evict_inode()
- nfs4_proc_set_acl should not change the value of NFS_CAP_UIDGID_NOMAP
- Fix setting of the NFS_CAP_SECURITY_LABEL capability"
* tag 'nfs-for-5.13-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv4: Fix second deadlock in nfs4_evict_inode()
NFSv4: Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode()
NFS: FMODE_READ and friends are C macros, not enum types
NFS: Fix a potential NULL dereference in nfs_get_client()
NFS: Fix use-after-free in nfs4_init_client()
NFS: Ensure the NFS_CAP_SECURITY_LABEL capability is set when appropriate
NFSv4: nfs4_proc_set_acl needs to restore NFS_CAP_UIDGID_NOMAP on error.
Four reasonably small fixes to the core for scsi host allocation
failure paths. The root problem is that we're not freeing the memory
allocated by dev_set_name(), which involves a rejig of may of the free
on error paths to do put_device() instead of kfree which, in turn, has
several other knock on ramifications and inspection turned up a few
other lurking bugs.
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 fixes from James Bottomley:
"Four reasonably small fixes to the core for scsi host allocation
failure paths.
The root problem is that we're not freeing the memory allocated by
dev_set_name(), which involves a rejig of may of the free on error
paths to do put_device() instead of kfree which, in turn, has several
other knock on ramifications and inspection turned up a few other
lurking bugs"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: core: Only put parent device if host state differs from SHOST_CREATED
scsi: core: Put .shost_dev in failure path if host state changes to RUNNING
scsi: core: Fix failure handling of scsi_add_host_with_dma()
scsi: core: Fix error handling of scsi_host_alloc()
* A pair of XIP fixes: one to fix alternatives, and one to turn off the
rest of the features that require code modification.
* A fix to a type that was causing some alternatives to break.
* A build fix for BUILTIN_DTB.
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Merge tag 'riscv-for-linus-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A pair of XIP fixes: one to fix alternatives, and one to turn off the
rest of the features that require code modification
- A fix to a type that was causing some alternatives to break
- A build fix for BUILTIN_DTB
* tag 'riscv-for-linus-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix BUILTIN_DTB for sifive and microchip soc
riscv: alternative: fix typo in macro name
riscv: code patching only works on !XIP_KERNEL
riscv: xip: support runtime trap patching
0day robot reported a 9.2% regression for will-it-scale mmap1 test
case[1], caused by commit 57efa1fe59 ("mm/gup: prevent gup_fast from
racing with COW during fork").
Further debug shows the regression is due to that commit changes the
offset of hot fields 'mmap_lock' inside structure 'mm_struct', thus some
cache alignment changes.
From the perf data, the contention for 'mmap_lock' is very severe and
takes around 95% cpu cycles, and it is a rw_semaphore
struct rw_semaphore {
atomic_long_t count; /* 8 bytes */
atomic_long_t owner; /* 8 bytes */
struct optimistic_spin_queue osq; /* spinner MCS lock */
...
Before commit 57efa1fe59 adds the 'write_protect_seq', it happens to
have a very optimal cache alignment layout, as Linus explained:
"and before the addition of the 'write_protect_seq' field, the
mmap_sem was at offset 120 in 'struct mm_struct'.
Which meant that count and owner were in two different cachelines,
and then when you have contention and spend time in
rwsem_down_write_slowpath(), this is probably *exactly* the kind
of layout you want.
Because first the rwsem_write_trylock() will do a cmpxchg on the
first cacheline (for the optimistic fast-path), and then in the
case of contention, rwsem_down_write_slowpath() will just access
the second cacheline.
Which is probably just optimal for a load that spends a lot of
time contended - new waiters touch that first cacheline, and then
they queue themselves up on the second cacheline."
After the commit, the rw_semaphore is at offset 128, which means the
'count' and 'owner' fields are now in the same cacheline, and causes
more cache bouncing.
Currently there are 3 "#ifdef CONFIG_XXX" before 'mmap_lock' which will
affect its offset:
CONFIG_MMU
CONFIG_MEMBARRIER
CONFIG_HAVE_ARCH_COMPAT_MMAP_BASES
The layout above is on 64 bits system with 0day's default kernel config
(similar to RHEL-8.3's config), in which all these 3 options are 'y'.
And the layout can vary with different kernel configs.
Relayouting a structure is usually a double-edged sword, as sometimes it
can helps one case, but hurt other cases. For this case, one solution
is, as the newly added 'write_protect_seq' is a 4 bytes long seqcount_t
(when CONFIG_DEBUG_LOCK_ALLOC=n), placing it into an existing 4 bytes
hole in 'mm_struct' will not change other fields' alignment, while
restoring the regression.
Link: https://lore.kernel.org/lkml/20210525031636.GB7744@xsang-OptiPlex-9020/ [1]
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here are a number of tiny USB fixes for 5.13-rc6.
There are more than I would normally like, but there's been a bunch of
people banging on the gadget and dwc3 and typec code recently for I
think an Android release, which has resulted in a number of small fixes.
It's nice to see companies send fixes upstream for this type of work, a
notable change from years ago.
Anyway, fixes in here are:
- usb-serial device id updates
- usb-serial cp210x driver fixes for broken firmware versions
- typec fixes for crazy charging devices and other reported
problems
- dwc3 fixes for reported problems found
- gadget fixes for reported problems
- tiny xhci fixes
- other small fixes for reported issues.
- revert of a problem fix found by linux-next testing
All of these have passed 0-day and linux-next testing with no reported
problems (the revert for the found linux-next build problem included).
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of tiny USB fixes for 5.13-rc6.
There are more than I would normally like, but there's been a bunch of
people banging on the gadget and dwc3 and typec code recently for I
think an Android release, which has resulted in a number of small
fixes. It's nice to see companies send fixes upstream for this type of
work, a notable change from years ago.
Anyway, fixes in here are:
- usb-serial device id updates
- usb-serial cp210x driver fixes for broken firmware versions
- typec fixes for crazy charging devices and other reported problems
- dwc3 fixes for reported problems found
- gadget fixes for reported problems
- tiny xhci fixes
- other small fixes for reported issues.
- revert of a problem fix found by linux-next testing
All of these have passed 0-day and linux-next testing with no reported
problems (the revert for the found linux-next build problem included)"
* tag 'usb-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (44 commits)
Revert "usb: gadget: fsl: Re-enable driver for ARM SoCs"
usb: typec: mux: Fix copy-paste mistake in typec_mux_match
usb: typec: ucsi: Clear PPM capability data in ucsi_init() error path
usb: gadget: fsl: Re-enable driver for ARM SoCs
usb: typec: wcove: Use LE to CPU conversion when accessing msg->header
USB: serial: cp210x: fix CP2102N-A01 modem control
USB: serial: cp210x: fix alternate function for CP2102N QFN20
usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource()
usb: dwc3: ep0: fix NULL pointer exception
usb: gadget: eem: fix wrong eem header operation
usb: typec: intel_pmc_mux: Put ACPI device using acpi_dev_put()
usb: typec: intel_pmc_mux: Add missed error check for devm_ioremap_resource()
usb: typec: intel_pmc_mux: Put fwnode in error case during ->probe()
usb: typec: tcpm: Do not finish VDM AMS for retrying Responses
usb: fix various gadget panics on 10gbps cabling
usb: fix various gadgets null ptr deref on 10gbps cabling.
usb: pci-quirks: disable D3cold on xhci suspend for s2idle on AMD Renoir
usb: f_ncm: only first packet of aggregate needs to start timer
USB: f_ncm: ncm_bitrate (speed) is unsigned
MAINTAINERS: usb: add entry for isp1760
...
Here is a single 8250_exar serial driver fix for a reported problem with
a change that happened in 5.13-rc1.
It has been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fix from Greg KH:
"A single 8250_exar serial driver fix for a reported problem with a
change that happened in 5.13-rc1.
It has been in linux-next with no reported problems"
* tag 'tty-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250_exar: Avoid NULL pointer dereference at ->exit()
Here are two tiny staging driver fixes for 5.13-rc6
- ralink-gdma driver authorship information fixed up
- rtl8723bs driver fix for reported regression
Both have been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Two tiny staging driver fixes:
- ralink-gdma driver authorship information fixed up
- rtl8723bs driver fix for reported regression
Both have been in linux-next for a while with no reported problems"
* tag 'staging-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: ralink-gdma: Remove incorrect author information
staging: rtl8723bs: Fix uninitialized variables
Here is a single debugfs fix for 5.13-rc6.
It fixes a bug in debugfs_read_file_str() that showed up in 5.13-rc1.
It has been in linux-next for a full week with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"A single debugfs fix for 5.13-rc6, fixing a bug in
debugfs_read_file_str() that showed up in 5.13-rc1.
It has been in linux-next for a full week with no
reported problems"
* tag 'driver-core-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
debugfs: Fix debugfs_read_file_str()
Here are some small misc driver fixes for 5.13-rc6 that fix some
reported problems:
- Tiny phy driver fixes for reported issues
- rtsx regression for when the device suspended
- mhi driver fix for a use-after-free
All of these have been in linux-next for a few days with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small misc driver fixes for 5.13-rc6 that fix some
reported problems:
- Tiny phy driver fixes for reported issues
- rtsx regression for when the device suspended
- mhi driver fix for a use-after-free
All of these have been in linux-next for a few days with no reported
issues"
* tag 'char-misc-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: rtsx: separate aspm mode into MODE_REG and MODE_CFG
bus: mhi: pci-generic: Fix hibernation
bus: mhi: pci_generic: Fix possible use-after-free in mhi_pci_remove()
bus: mhi: pci_generic: T99W175: update channel name from AT to DUN
phy: Sparx5 Eth SerDes: check return value after calling platform_get_resource()
phy: ralink: phy-mt7621-pci: drop 'of_match_ptr' to fix -Wunused-const-variable
phy: ti: Fix an error code in wiz_probe()
phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy_init()
phy: cadence: Sierra: Fix error return code in cdns_sierra_phy_probe()
phy: usb: Fix misuse of IS_ENABLED
- Fix some documentation warnings for Allwinner
- Fix duplicated GPIO groups on Qualcomm SDX55
- Fix a double enablement bug in the Ralink driver
- Fix the Qualcomm SC8180x Kconfig so the driver can
be selected.
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Merge tag 'pinctrl-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Fix some documentation warnings for Allwinner
- Fix duplicated GPIO groups on Qualcomm SDX55
- Fix a double enablement bug in the Ralink driver
- Fix the Qualcomm SC8180x Kconfig so the driver can be selected.
* tag 'pinctrl-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: Make it possible to select SC8180x TLMM
pinctrl: ralink: rt2880: avoid to error in calls is pin is already enabled
pinctrl: qcom: Fix duplication in gpio_groups
pinctrl: aspeed: Fix minor documentation error
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Merge tag 'block-5.13-2021-06-12' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A few fixes that should go into 5.13:
- Fix a regression deadlock introduced in this release between open
and remove of a bdev (Christoph)
- Fix an async_xor md regression in this release (Xiao)
- Fix bcache oversized read issue (Coly)"
* tag 'block-5.13-2021-06-12' of git://git.kernel.dk/linux-block:
block: loop: fix deadlock between open and remove
async_xor: check src_offs is not NULL before updating it
bcache: avoid oversized read request in cache missing code path
bcache: remove bcache device self-defined readahead
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Merge tag 'io_uring-5.13-2021-06-12' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Just an API change for the registration changes that went into this
release. Better to get it sorted out now than before it's too late"
* tag 'io_uring-5.13-2021-06-12' of git://git.kernel.dk/linux-block:
io_uring: add feature flag for rsrc tags
io_uring: change registration/upd/rsrc tagging ABI
- Fix performance regression caused by lack of intended
batching of RCU callbacks by over-eager NOHZ-full code.
- Fix cgroups related corruption of load_avg and load_sum metrics.
- Three fixes to fix blocked load, util_sum/runnable_sum and
util_est tracking bugs.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Misc fixes:
- Fix performance regression caused by lack of intended batching of
RCU callbacks by over-eager NOHZ-full code.
- Fix cgroups related corruption of load_avg and load_sum metrics.
- Three fixes to fix blocked load, util_sum/runnable_sum and util_est
tracking bugs"
* tag 'sched-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix util_est UTIL_AVG_UNCHANGED handling
sched/pelt: Ensure that *_sum is always synced with *_avg
tick/nohz: Only check for RCU deferred wakeup on user/guest entry when needed
sched/fair: Make sure to update tg contrib for blocked load
sched/fair: Keep load_avg and load_sum synced
- Fix the NMI watchdog on ancient Intel CPUs
- Remove a misguided, NMI-unsafe KASAN callback
from the NMI-safe irq_work path used by perf.
- Fix uncore events on Ice Lake servers.
- Someone booted maxcpus=1 on an SNB-EP, and the
uncore driver emitted warnings and was probably
buggy. Fix it.
- KCSAN found a genuine data race in the core perf
code. Somewhat ironically the bug was introduced
through a recent race fix. :-/ In our defense, the
new race window was much more narrow. Fix it.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Misc fixes:
- Fix the NMI watchdog on ancient Intel CPUs
- Remove a misguided, NMI-unsafe KASAN callback from the NMI-safe
irq_work path used by perf.
- Fix uncore events on Ice Lake servers.
- Someone booted maxcpus=1 on an SNB-EP, and the uncore driver
emitted warnings and was probably buggy. Fix it.
- KCSAN found a genuine data race in the core perf code. Somewhat
ironically the bug was introduced through a recent race fix. :-/
In our defense, the new race window was much more narrow. Fix it"
* tag 'perf-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi_watchdog: Fix old-style NMI watchdog regression on old Intel CPUs
irq_work: Make irq_work_queue() NMI-safe again
perf/x86/intel/uncore: Fix M2M event umask for Ice Lake server
perf/x86/intel/uncore: Fix a kernel WARNING triggered by maxcpus=1
perf: Fix data race between pin_count increment/decrement
- fix a bug that corrupts the code by mistakenly rewriting
conditional jumps,
- and fix another bug generating an incorrect ELF symbol table
during retpoline rewriting.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Ingo Molnar:
"Two objtool fixes:
- fix a bug that corrupts the code by mistakenly rewriting
conditional jumps
- fix another bug generating an incorrect ELF symbol table
during retpoline rewriting"
* tag 'objtool-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Only rewrite unconditional retpoline thunk calls
objtool: Fix .symtab_shndx handling for elf_create_undef_symbol()
Fix BUILTIN_DTB config which resulted in a dtb that was actually not
built into the Linux image: in the same manner as Canaan soc does,
create an object file from the dtb file that will get linked into the
Linux image.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
- Fix the length check in the temp buffer filter
- Fix build failure in bootconfig tools for "fallthrough" macro
- Fix error return of bootconfig apply_xbc() routine
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Merge tag 'trace-v5.13-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix the length check in the temp buffer filter
- Fix build failure in bootconfig tools for "fallthrough" macro
- Fix error return of bootconfig apply_xbc() routine
* tag 'trace-v5.13-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Correct the length check which causes memory corruption
ftrace: Do not blindly read the ip address in ftrace_bug()
tools/bootconfig: Fix a build error accroding to undefined fallthrough
tools/bootconfig: Fix error return code in apply_xbc()
- Handle changes to needed LTO flags in Clang 13 (Tor Vic)
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Merge tag 'clang-features-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull clang LTO fix from Kees Cook:
"Clang 13 fixed some IR behavior for LTO, but this broke work-arounds
used in the kernel.
Handle changes to needed LTO flags in Clang 13 (Tor Vic)"
* tag 'clang-features-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
x86, lto: Pass -stack-alignment only on LLD < 13.0.0
drm:
- auth locking fix
ttm:
- locking fix
amdgpu:
- Use kvzmalloc in amdgu_bo_create
- Use drm_dbg_kms for reporting failure to get a GEM FB
- Fix some register offsets for Sienna Cichlid
- Fix fall-through warning
radeon:
- memcpy_to/from_io fixes
msm:
- NULL ptr deref fix
- CP_PROTECT reg programming fix
- incorrect register shift fix
- DSI blank screen fix
sun4i:
- hdmi output probing fix
mcde:
- DSI pipeline calc fix
vc4:
- out of bounds fix
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Merge tag 'drm-fixes-2021-06-11' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Another week of fixes, nothing too crazy, but a few all over the
place.
Two locking fixes in the core/ttm area, a couple of small driver fixes
(radeon, sun4i, mcde, vc4). Then msm and amdgpu have a set of fixes
each, mostly for smaller things, though the msm has a DSI fix for a
black screen.
I haven't seen any intel fixes this week so they may have a few that
may or may not wait for next week.
drm:
- auth locking fix
ttm:
- locking fix
amdgpu:
- Use kvzmalloc in amdgu_bo_create
- Use drm_dbg_kms for reporting failure to get a GEM FB
- Fix some register offsets for Sienna Cichlid
- Fix fall-through warning
radeon:
- memcpy_to/from_io fixes
msm:
- NULL ptr deref fix
- CP_PROTECT reg programming fix
- incorrect register shift fix
- DSI blank screen fix
sun4i:
- hdmi output probing fix
mcde:
- DSI pipeline calc fix
vc4:
- out of bounds fix"
* tag 'drm-fixes-2021-06-11' of git://anongit.freedesktop.org/drm/drm:
drm/msm/dsi: Stash away calculated vco frequency on recalc
drm: Lock pointer access in drm_master_release()
drm/mcde: Fix off by 10^3 in calculation
drm/msm/a6xx: avoid shadow NULL reference in failure path
drm/msm/a6xx: fix incorrectly set uavflagprd_inv field for A650
drm/msm/a6xx: update/fix CP_PROTECT initialization
radeon: use memcpy_to/fromio for UVD fw upload
drm/amd/pm: Fix fall-through warning for Clang
drm/amdgpu: Fix incorrect register offsets for Sienna Cichlid
drm/amdgpu: Use drm_dbg_kms for reporting failure to get a GEM FB
drm/amdgpu: switch kzalloc to kvzalloc in amdgpu_bo_create
drm/msm: Init mm_list before accessing it for use_vram path
drm: Fix use-after-free read in drm_getunique()
drm/vc4: fix vc4_atomic_commit_tail() logic
drm/ttm: fix deref of bo->ttm without holding the lock v2
drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device
- A single fix for broken media/renesas,drif.yaml binding schema
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Merge tag 'devicetree-fixes-for-5.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fix from Rob Herring:
"A single fix for broken media/renesas,drif.yaml binding schema"
* tag 'devicetree-fixes-for-5.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
media: dt-bindings: media: renesas,drif: Fix fck definition
- Revert recent commit that attempted to fix the FACS table
reference counting but introduced a problem with accessing
the hardware signature after hibernation (Zhang Rui).
- Fix regression in the _OSC handling that broke the loading
of ACPI tables on some systems (Mika Westerberg).
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Merge tag 'acpi-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These revert a problematic recent commit and fix a regression
introduced during the 5.12 development cycle.
Specifics:
- Revert recent commit that attempted to fix the FACS table reference
counting but introduced a problem with accessing the hardware
signature after hibernation (Zhang Rui).
- Fix regression in the _OSC handling that broke the loading of ACPI
tables on some systems (Mika Westerberg)"
* tag 'acpi-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: Pass the same capabilities to the _OSC regardless of the query flag
Revert "ACPI: sleep: Put the FACS table after using it"
Commit c76f48eb5c ("block: take bd_mutex around delete_partitions in
del_gendisk") adds disk->part0->bd_mutex in del_gendisk(), this way
causes the following AB/BA deadlock between removing loop and opening
loop:
1) loop_control_ioctl(LOOP_CTL_REMOVE)
-> mutex_lock(&loop_ctl_mutex)
-> del_gendisk
-> mutex_lock(&disk->part0->bd_mutex)
2) blkdev_get_by_dev
-> mutex_lock(&disk->part0->bd_mutex)
-> lo_open
-> mutex_lock(&loop_ctl_mutex)
Add a new Lo_deleting state to remove the need for clearing
->private_data and thus holding loop_ctl_mutex in the ioctl
LOOP_CTL_REMOVE path.
Based on an analysis and earlier patch from
Ming Lei <ming.lei@redhat.com>.
Reported-by: Colin Ian King <colin.king@canonical.com>
Fixes: c76f48eb5c ("block: take bd_mutex around delete_partitions in del_gendisk")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20210605140950.5800-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
A bit more commits than expected at this time, but likely it's the
last shot before the final. Many of changes are device-specific
fix-ups for various ASoC drivers, while a few usual HD-audio
quirks and a FireWire fix, as well as a couple of ALSA / ASoC
core fixes. All look nice and small, and nothing to scare much.
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Merge tag 'sound-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A bit more commits than expected at this time, but likely it's the
last shot before the final.
Many of changes are device-specific fix-ups for various ASoC drivers,
while a few usual HD-audio quirks and a FireWire fix, as well as a
couple of ALSA / ASoC core fixes.
All look nice and small, and nothing to scare much"
* tag 'sound-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: seq: Fix race of snd_seq_timer_open()
ALSA: hda/realtek: fix mute/micmute LEDs for HP ZBook Power G8
ALSA: hda/realtek: headphone and mic don't work on an Acer laptop
ASoC: qcom: lpass-cpu: Fix pop noise during audio capture begin
ALSA: firewire-lib: fix the context to call snd_pcm_stop_xrun()
ALSA: hda/realtek: fix mute/micmute LEDs for HP EliteBook 840 Aero G8
ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP EliteBook x360 1040 G8
ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Elite Dragonfly G2
ASoC: rt5682: Fix the fast discharge for headset unplugging in soundwire mode
ASoC: tas2562: Fix TDM_CFG0_SAMPRATE values
ASoC: meson: gx-card: fix sound-dai dt schema
ASoC: AMD Renoir: Remove fix for DMI entry on Lenovo 2020 platforms
ASoC: AMD Renoir - add DMI entry for Lenovo 2020 AMD platforms
ASoC: SOF: reset enabled_cores state at suspend
ASoC: fsl-asoc-card: Set .owner attribute when registering card.
ASoC: topology: Fix spelling mistake "vesion" -> "version"
ASoC: rt5659: Fix the lost powers for the HDA header
ASoC: core: Fix Null-point-dereference in fmt_single_name()
Since LLVM commit 3787ee4, the '-stack-alignment' flag has been dropped
[1], leading to the following error message when building a LTO kernel
with Clang-13 and LLD-13:
ld.lld: error: -plugin-opt=-: ld.lld: Unknown command line argument
'-stack-alignment=8'. Try 'ld.lld --help'
ld.lld: Did you mean '--stackrealign=8'?
It also appears that the '-code-model' flag is not necessary anymore
starting with LLVM-9 [2].
Drop '-code-model' and make '-stack-alignment' conditional on LLD < 13.0.0.
These flags were necessary because these flags were not encoded in the
IR properly, so the link would restart optimizations without them. Now
there are properly encoded in the IR, and these flags exposing
implementation details are no longer necessary.
[1] https://reviews.llvm.org/D103048
[2] https://reviews.llvm.org/D52322
Cc: stable@vger.kernel.org
Link: https://github.com/ClangBuiltLinux/linux/issues/1377
Signed-off-by: Tor Vic <torvic9@mailbox.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/f2c018ee-5999-741e-58d4-e482d5246067@mailbox.org
Fixes for tps23861, scpi-hwmon, and corsair-psu drivers, plus a bindings
fix for TI ADS7828.
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Merge tag 'hwmon-for-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Fixes for tps23861, scpi-hwmon, and corsair-psu drivers, plus a
bindings fix for TI ADS7828"
* tag 'hwmon-for-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (tps23861) correct shunt LSB values
hwmon: (tps23861) set current shunt value
hwmon: (tps23861) define regmap max register
hwmon: (scpi-hwmon) shows the negative temperature properly
hwmon: (corsair-psu) fix suspend behavior
dt-bindings: hwmon: Fix typo in TI ADS7828 bindings
