Add a quirk to disable using and exporting namespace identifiers for
controllers where they are broken beyond repair.
The most directly visible problem with non-unique namespace identifiers
is that they break the /dev/disk/by-id/ links, with the link for a
supposedly unique identifier now pointing to one of multiple possible
namespaces that share the same ID, and a somewhat random selection of
which one actually shows up.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Use the RQF_QUIET flag to skip the newly added verbose error reporting,
and set the flag in __nvme_submit_sync_cmd, which is used for most
internal passthrough requests where we do expect errors (e.g. due to
probing for optional functionality). This is similar to what the SCSI
verbose error logging does.
Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Alan Adamson <alan.adamson@oracle.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Tested-by: Alan Adamson <alan.adamson@oracle.com>
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
The intent behind commit e6fc9f62ce ("dm: flag clones created by
__send_duplicate_bios") was to formally disallow the use of
dm_accept_partial_bio() where it simply isn't possible -- due to
constraint that multiple bios cannot meaningfully update a shared
tio->len_ptr.
But that commit went too far and disallowed the case where "abormal"
IO (e.g. WRITE_ZEROES) is only using a single bio. Fix this by
not marking a dm_io with a single dm_target_io (and bio), that happens
to be created by __send_duplicate_bios, as DM_TIO_IS_DUPLICATE_BIO.
Also remove 'unsigned *len' parameter from alloc_multiple_bios().
This commit fixes a dm_accept_partial_bio() BUG_ON() with dm-zoned
when a WRITE_ZEROES bio is issued.
Fixes: 655f3aad7a ("dm: switch dm_target_io booleans over to proper flags")
Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
i915:
- Correct legacy mmap disabling to use GRAPHICS_VER_FULL
msm:
- system suspend fix
- kzalloc return checks
- misc display fix
- iommu_present removal
amdgpu:
- Fix for alpha properly in pre-multiplied mode
- Fix VCN 3.1.2 firmware name
- Suspend/resume fix
- Add a gfxoff quirk for Mac vega20 board
- DCN 3.1.6 spread spectrum fix
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Merge tag 'drm-fixes-2022-04-15' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Eggs season holidays are among us, and I think I'd expect some smaller
pulls for two weeks then.
This seems eerily quiet. One i915 fix, amdgpu has a bunch and msm. I
didn't see a misc pull this week, so I expect that will catch up next
week.
i915:
- Correct legacy mmap disabling to use GRAPHICS_VER_FULL
msm:
- system suspend fix
- kzalloc return checks
- misc display fix
- iommu_present removal
amdgpu:
- Fix for alpha properly in pre-multiplied mode
- Fix VCN 3.1.2 firmware name
- Suspend/resume fix
- Add a gfxoff quirk for Mac vega20 board
- DCN 3.1.6 spread spectrum fix"
* tag 'drm-fixes-2022-04-15' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: remove dtbclk_ss compensation for dcn316
drm/amdgpu: Enable gfxoff quirk on MacBook Pro
drm/amdgpu: Ensure HDA function is suspended before ASIC reset
drm/amdgpu: fix VCN 3.1.2 firmware name
drm/amd/display: don't ignore alpha property on pre-multiplied mode
drm/msm/gpu: Avoid -Wunused-function with !CONFIG_PM_SLEEP
drm/msm/dp: add fail safe mode outside of event_mutex context
drm/msm/dsi: Use connector directly in msm_dsi_manager_connector_init()
drm/msm: Stop using iommu_present()
drm/msm/mdp5: check the return of kzalloc()
drm/msm: Fix range size vs end confusion
drm/i915: Sunset igpu legacy mmap support based on GRAPHICS_VER_FULL
drm/msm/dpu: Use indexed array initializer to prevent mismatches
drm/msm/disp: check the return value of kzalloc()
dt-bindings: display/msm: another fix for the dpu-qcm2290 example
drm/msm: Add missing put_task_struct() in debugfs path
drm/msm/gpu: Remove mutex from wait_event condition
drm/msm/gpu: Park scheduler threads for system suspend
drm/msm/gpu: Rename runtime suspend/resume functions
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Merge tag '5.18-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
- two fixes related to unmount
- symlink overflow fix
- minor netfs fix
- improved tracing for crediting (flow control)
* tag '5.18-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: verify that tcon is valid before dereference in cifs_kill_sb
cifs: potential buffer overflow in handling symlinks
cifs: Split the smb3_add_credits tracepoint
cifs: release cached dentries only if mount is complete
cifs: Check the IOCB_DIRECT flag, not O_DIRECT
When asked to create a path ending '/', but which is not to be a
directory (LOOKUP_DIRECTORY not set), filename_create() will never try
to create the file. If it doesn't exist, -ENOENT is reported.
However, it still passes LOOKUP_CREATE|LOOKUP_EXCL to the filesystems
->lookup() function, even though there is no intent to create. This is
misleading and can cause incorrect behaviour.
If you try
ln -s foo /path/dir/
where 'dir' is a directory on an NFS filesystem which is not currently
known in the dcache, this will fail with ENOENT.
But as the name is not in the dcache, nfs_lookup gets called with
LOOKUP_CREATE|LOOKUP_EXCL and so it returns NULL without performing any
lookup, with the expectation that a subsequent call to create the target
will be made, and the lookup can be combined with the creation. In the
case with a trailing '/' and no LOOKUP_DIRECTORY, that call is never
made. Instead filename_create() sees that the dentry is not (yet)
positive and returns -ENOENT - even though the directory actually
exists.
So only set LOOKUP_CREATE|LOOKUP_EXCL if there really is an intent to
create, and use the absence of these flags to decide if -ENOENT should
be returned.
Note that filename_parentat() is only interested in LOOKUP_REVAL, so we
split that out and store it in 'reval_flag'. __lookup_hash() then gets
reval_flag combined with whatever create flags were determined to be
needed.
Reviewed-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It's not good practice to define multiple types for the same property, so
factor out the type reference making the properties always an uint32-array
with a length of 1 or 3 items.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://lore.kernel.org/r/20220413140016.3131013-1-robh@kernel.org
The Gemini defconfig needs to be updated due to DSA driver
Kconfig changes in the v5.18 merge window:
CONFIG_NET_DSA_REALTEK_SMI is now behind
CONFIG_NET_DSA_REALTEK and the desired DSA switch need
to be selected explicitly with
CONFIG_NET_DSA_REALTEK_RTL8366RB.
Take this opportunity to update some other minor config
options:
- CONFIG_MARVELL_PHY moved around because of Kconfig
changes.
- CONFIG_SENSORS_DRIVETEMP should be selected since is
regulates the system critical alert temperature on
some devices, which is nice if it is handled even
if initramfs or root fails to mount.
Fixes: 319a70a5fe ("net: dsa: realtek-smi: move to subdirectory")
Fixes: 765c39a4fa ("net: dsa: realtek: convert subdrivers into modules")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Boolean properties in DT are present or not present and don't take a value.
A property such as 'foo = <0>;' evaluated to true. IOW, the value doesn't
matter.
It may have been intended that 0 values are false, but there is no change
in behavior with this patch.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Link: https://lore.kernel.org/r/20220407225254.2178644-1-robh@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The node names should be generic and SPI NOR dtschema expects "flash".
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20220407143027.294678-1-krzysztof.kozlowski@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Boolean properties in DT are present or not present and don't take a value.
A property such as 'foo = <0>;' evaluated to true. IOW, the value doesn't
matter.
It may have been intended that 0 values are false, but there is no change
in behavior with this patch.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-omap@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org
Link: https://lore.kernel.org/r/20220407225107.2175958-1-robh@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Convert current_stack_pointer to a register alias like it is assumed if
ARCH_HAS_CURRENT_STACK_POINTER is selected. The existing implementation
as a function breaks CONFIG_HARDENED_USERCOPY sanity-checks.
- Get rid of -Warray-bounds warning within kexec code.
- Add minimal IBM z16 support by reporting a proper elf platform, and
adding compile options.
- Update defconfigs.
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Merge tag 's390-5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
- Convert current_stack_pointer to a register alias like it is assumed
if ARCH_HAS_CURRENT_STACK_POINTER is selected. The existing
implementation as a function breaks CONFIG_HARDENED_USERCOPY
sanity-checks
- Get rid of -Warray-bounds warning within kexec code
- Add minimal IBM z16 support by reporting a proper elf platform, and
adding compile options
- Update defconfigs
* tag 's390-5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: enable CONFIG_HARDENED_USERCOPY in debug_defconfig
s390: current_stack_pointer shouldn't be a function
s390: update defconfigs
s390/kexec: silence -Warray-bounds warning
s390: allow to compile with z16 optimizations
s390: add z16 elf platform
netfilter.
Current release - regressions:
- smc: fix af_ops of child socket pointing to released memory
- wifi: ath9k: fix usage of driver-private space in tx_info
Previous releases - regressions:
- ipv6: fix panic when forwarding a pkt with no in6 dev
- sctp: use the correct skb for security_sctp_assoc_request
- smc: fix NULL pointer dereference in smc_pnet_find_ib()
- sched: fix initialization order when updating chain 0 head
- phy: don't defer probe forever if PHY IRQ provider is missing
- dsa: revert "net: dsa: setup master before ports"
- dsa: felix: fix tagging protocol changes with multiple CPU ports
- eth: ice:
- fix use-after-free when freeing @rx_cpu_rmap
- revert "iavf: fix deadlock occurrence during resetting VF interface"
- eth: lan966x: stop processing the MAC entry is port is wrong
Previous releases - always broken:
- sched
- flower: fix parsing of ethertype following VLAN header
- taprio: check if socket flags are valid
- nfc: add flush_workqueue to prevent uaf
- veth: ensure eth header is in skb's linear part
- eth: stmmac: fix altr_tse_pcs function when using a fixed-link
- eth: macb: restart tx only if queue pointer is lagging
- eth: macvlan: fix leaking skb in source mode with nodst option
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from wireless and netfilter.
Current release - regressions:
- smc: fix af_ops of child socket pointing to released memory
- wifi: ath9k: fix usage of driver-private space in tx_info
Previous releases - regressions:
- ipv6: fix panic when forwarding a pkt with no in6 dev
- sctp: use the correct skb for security_sctp_assoc_request
- smc: fix NULL pointer dereference in smc_pnet_find_ib()
- sched: fix initialization order when updating chain 0 head
- phy: don't defer probe forever if PHY IRQ provider is missing
- dsa: revert "net: dsa: setup master before ports"
- dsa: felix: fix tagging protocol changes with multiple CPU ports
- eth: ice:
- fix use-after-free when freeing @rx_cpu_rmap
- revert "iavf: fix deadlock occurrence during resetting VF
interface"
- eth: lan966x: stop processing the MAC entry is port is wrong
Previous releases - always broken:
- sched:
- flower: fix parsing of ethertype following VLAN header
- taprio: check if socket flags are valid
- nfc: add flush_workqueue to prevent uaf
- veth: ensure eth header is in skb's linear part
- eth: stmmac: fix altr_tse_pcs function when using a fixed-link
- eth: macb: restart tx only if queue pointer is lagging
- eth: macvlan: fix leaking skb in source mode with nodst option"
* tag 'net-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (52 commits)
net: bcmgenet: Revert "Use stronger register read/writes to assure ordering"
rtnetlink: Fix handling of disabled L3 stats in RTM_GETSTATS replies
net: dsa: felix: fix tagging protocol changes with multiple CPU ports
tun: annotate access to queue->trans_start
nfc: nci: add flush_workqueue to prevent uaf
net: dsa: realtek: don't parse compatible string for RTL8366S
net: dsa: realtek: fix Kconfig to assure consistent driver linkage
net: ftgmac100: access hardware register after clock ready
Revert "net: dsa: setup master before ports"
macvlan: Fix leaking skb in source mode with nodst option
netfilter: nf_tables: nft_parse_register can return a negative value
net: lan966x: Stop processing the MAC entry is port is wrong.
net: lan966x: Fix when a port's upper is changed.
net: lan966x: Fix IGMP snooping when frames have vlan tag
net: lan966x: Update lan966x_ptp_get_nominal_value
sctp: Initialize daddr on peeled off socket
net/smc: Fix af_ops of child socket pointing to released memory
net/smc: Fix NULL pointer dereference in smc_pnet_find_ib()
net/smc: use memcpy instead of snprintf to avoid out of bounds read
net: macb: Restart tx only if queue pointer is lagging
...
This became an unexpectedly large pull request due to various
regression fixes in the previous kernels.
The majority of fixes are a series of patches to address the
regression at probe errors in devres'ed drivers, while there are
yet more fixes for the x86 SG allocations and for USB-audio
buffer management. In addition, a few HD-audio quirks and other
small fixes are found.
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Merge tag 'sound-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This became an unexpectedly large pull request due to various
regression fixes in the previous kernels.
The majority of fixes are a series of patches to address the
regression at probe errors in devres'ed drivers, while there are yet
more fixes for the x86 SG allocations and for USB-audio buffer
management. In addition, a few HD-audio quirks and other small fixes
are found"
* tag 'sound-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (52 commits)
ALSA: usb-audio: Limit max buffer and period sizes per time
ALSA: memalloc: Add fallback SG-buffer allocations for x86
ALSA: nm256: Don't call card private_free at probe error path
ALSA: mtpav: Don't call card private_free at probe error path
ALSA: rme9652: Fix the missing snd_card_free() call at probe error
ALSA: hdspm: Fix the missing snd_card_free() call at probe error
ALSA: hdsp: Fix the missing snd_card_free() call at probe error
ALSA: oxygen: Fix the missing snd_card_free() call at probe error
ALSA: lx6464es: Fix the missing snd_card_free() call at probe error
ALSA: cmipci: Fix the missing snd_card_free() call at probe error
ALSA: aw2: Fix the missing snd_card_free() call at probe error
ALSA: als300: Fix the missing snd_card_free() call at probe error
ALSA: lola: Fix the missing snd_card_free() call at probe error
ALSA: bt87x: Fix the missing snd_card_free() call at probe error
ALSA: sis7019: Fix the missing error handling
ALSA: intel_hdmi: Fix the missing snd_card_free() call at probe error
ALSA: via82xx: Fix the missing snd_card_free() call at probe error
ALSA: sonicvibes: Fix the missing snd_card_free() call at probe error
ALSA: rme96: Fix the missing snd_card_free() call at probe error
ALSA: rme32: Fix the missing snd_card_free() call at probe error
...
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Merge tag 'for-5.18-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few more code and warning fixes.
There's one feature ioctl removal patch slated for 5.18 that did not
make it to the main pull request. It's just a one-liner and the ioctl
has a v2 that's in use for a long time, no point to postpone it to
5.19.
Late update:
- remove balance v1 ioctl, superseded by v2 in 2012
Fixes:
- add back cgroup attribution for compressed writes
- add super block write start/end annotations to asynchronous balance
- fix root reference count on an error handling path
- in zoned mode, activate zone at the chunk allocation time to avoid
ENOSPC due to timing issues
- fix delayed allocation accounting for direct IO
Warning fixes:
- simplify assertion condition in zoned check
- remove an unused variable"
* tag 'for-5.18-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix btrfs_submit_compressed_write cgroup attribution
btrfs: fix root ref counts in error handling in btrfs_get_root_ref
btrfs: zoned: activate block group only for extent allocation
btrfs: return allocated block group from do_chunk_alloc()
btrfs: mark resumed async balance as writing
btrfs: remove support of balance v1 ioctl
btrfs: release correct delalloc amount in direct IO write path
btrfs: remove unused variable in btrfs_{start,write}_dirty_block_groups()
btrfs: zoned: remove redundant condition in btrfs_run_delalloc_range
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Merge tag 'fscache-fixes-20220413' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull fscache fixes from David Howells:
"Here's a collection of fscache and cachefiles fixes and misc small
cleanups. The two main fixes are:
- Add a missing unmark of the inode in-use mark in an error path.
- Fix a KASAN slab-out-of-bounds error when setting the xattr on a
cachefiles volume due to the wrong length being given to memcpy().
In addition, there's the removal of an unused parameter, removal of an
unused Kconfig option, conditionalising a bit of procfs-related stuff
and some doc fixes"
* tag 'fscache-fixes-20220413' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
fscache: remove FSCACHE_OLD_API Kconfig option
fscache: Use wrapper fscache_set_cache_state() directly when relinquishing
fscache: Move fscache_cookies_seq_ops specific code under CONFIG_PROC_FS
fscache: Remove the cookie parameter from fscache_clear_page_bits()
docs: filesystems: caching/backend-api.rst: fix an object withdrawn API
docs: filesystems: caching/backend-api.rst: correct two relinquish APIs use
cachefiles: Fix KASAN slab-out-of-bounds in cachefiles_set_volume_xattr
cachefiles: unmark inode in use in error path
When poll request is timed out, it is removed from the poll list,
but not completed, so the request is leaked, and never get chance
to complete.
Fix the issue by ending it in timeout handler.
Fixes: 0a593fbbc2 ("null_blk: poll queue support")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20220413084836.1571995-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Unit of bio->bi_iter.bi_size is bytes, but unit of offset/size
is sector.
Fix the above issue in checking offset/size in bio_trim().
Fixes: e83502ca5f ("block: fix argument type of bio_trim()")
Cc: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20220414084443.1736850-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The 'perf bench numa' testcase fails on systems with more than 1K CPUs.
Testcase: perf bench numa mem -p 1 -t 3 -P 512 -s 100 -zZ0qcm --thp 1
Snippet of code:
<<>>
perf: bench/numa.c:302: bind_to_node: Assertion `!(ret)' failed.
Aborted (core dumped)
<<>>
bind_to_node() uses "sched_getaffinity" to save the original cpumask and
this call is returning EINVAL ((invalid argument).
This happens because the default mask size in glibc is 1024. To
overcome this 1024 CPUs mask size limitation of cpu_set_t, change the
mask size using the CPU_*_S macros ie, use CPU_ALLOC to allocate
cpumask, CPU_ALLOC_SIZE for size.
Apart from fixing this for "orig_mask", apply same logic to "mask" as
well which is used to setaffinity so that mask size is large enough to
represent number of possible CPU's in the system.
sched_getaffinity is used in one more place in perf numa bench. It is in
"bind_to_cpu" function. Apply the same logic there also. Though
currently no failure is reported from there, it is ideal to change
getaffinity to work with such system configurations having CPU's more
than default mask size supported by glibc.
Also fix "sched_setaffinity" to use mask size which is large enough to
represent number of possible CPU's in the system.
Fixed all places where "bind_cpumask" which is part of "struct
thread_data" is used such that bind_cpumask works in all configuration.
Reported-by: Disha Goel <disgoel@linux.vnet.ibm.com>
Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220412164059.42654-3-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Perf numa bench test fails with error:
Testcase:
./perf bench numa mem -p 2 -t 1 -P 1024 -C 0,8 -M 1,0 -s 20 -zZq --thp 1 --no-data_rand_walk
Failure snippet:
<<>>
Running 'numa/mem' benchmark:
# Running main, "perf bench numa numa-mem -p 2 -t 1 -P 1024 -C 0,8 -M 1,0 -s 20 -zZq --thp 1 --no-data_rand_walk"
perf: bench/numa.c:333: bind_to_cpumask: Assertion `!(ret)' failed.
<<>>
The Testcases uses CPU's 0 and 8. In function "parse_setup_cpu_list",
There is check to see if cpu number is greater than max cpu's possible
in the system ie via "if (bind_cpu_0 >= g->p.nr_cpus || bind_cpu_1 >=
g->p.nr_cpus) {".
But it could happen that system has say 48 CPU's, but only number of
online CPU's is 0-7. Other CPU's are offlined. Since "g->p.nr_cpus" is
48, so function will go ahead and set bit for CPU 8 also in cpumask (
td->bind_cpumask).
bind_to_cpumask function is called to set affinity using
sched_setaffinity and the cpumask. Since the CPU8 is not present, set
affinity will fail here with EINVAL.
Fix this issue by adding a check to make sure that, CPU's provided in
the input argument values are online before proceeding further and skip
the test. For this, include new helper function "is_cpu_online" in
"tools/perf/util/header.c".
Since "BIT(x)" definition will get included from header.h, remove
that from bench/numa.c
Reported-by: Disha Goel <disgoel@linux.vnet.ibm.com>
Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Tested-by: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220412164059.42654-2-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Per-thread mode doesn't have specific CPUs for events, add checks for
this case.
Minor fix to a pr_debug by Ian Rogers <irogers@google.com> to avoid an
out of bound array access.
Fixes: 7954f71689 ("perf record: Introduce thread affinity and mmap masks")
Reported-by: Ian Rogers <irogers@google.com>
Signed-off-by: Alexey Bayduraev <alexey.bayduraev@gmail.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20220414014642.3308206-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
We need to take mask into account in the set/get_multiple() callbacks.
Use bitmap_replace() instead of bitmap_copy().
Fixes: cb8c474e79 ("gpio: sim: new testing module")
Cc: stable@vger.kernel.org
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
When L3 stats are disabled, rtnl_offload_xstats_get_size_stats() returns
size of 0, which is supposed to be an indication that the corresponding
attribute should not be emitted. However, instead, the current code
reserves a 0-byte attribute.
The reason this does not show up as a citation on a kasan kernel is that
netdev_offload_xstats_get(), which is supposed to fill in the data, never
ends up getting called, because rtnl_offload_xstats_get_stats() notices
that the stats are not actually used and skips the call.
Thus a zero-length IFLA_OFFLOAD_XSTATS_L3_STATS attribute ends up in a
response, confusing the userspace.
Fix by skipping the L3-stats related block in rtnl_offload_xstats_fill().
Fixes: 0e7788fd76 ("net: rtnetlink: Add UAPI for obtaining L3 offload xstats")
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/591b58e7623edc3eb66dd1fcfa8c8f133d090974.1649794741.git.petrm@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When the device tree has 2 CPU ports defined, a single one is active
(has any dp->cpu_dp pointers point to it). Yet the second one is still a
CPU port, and DSA still calls ->change_tag_protocol on it.
On the NXP LS1028A, the CPU ports are ports 4 and 5. Port 4 is the
active CPU port and port 5 is inactive.
After the following commands:
# Initial setting
cat /sys/class/net/eno2/dsa/tagging
ocelot
echo ocelot-8021q > /sys/class/net/eno2/dsa/tagging
echo ocelot > /sys/class/net/eno2/dsa/tagging
traffic is now broken, because the driver has moved the NPI port from
port 4 to port 5, unbeknown to DSA.
The problem can be avoided by detecting that the second CPU port is
unused, and not doing anything for it. Further rework will be needed
when proper support for multiple CPU ports is added.
Treat this as a bug and prepare current kernels to work in single-CPU
mode with multiple-CPU DT blobs.
Fixes: adb3dccf09 ("net: dsa: felix: convert to the new .change_tag_protocol DSA API")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220412172209.2531865-1-vladimir.oltean@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Commit 5337824f4d ("net: annotate accesses to queue->trans_start")
introduced a new helper, txq_trans_cond_update, to update
queue->trans_start using WRITE_ONCE. One snippet in drivers/net/tun.c
was missed, as it was introduced roughly at the same time.
Fixes: 5337824f4d ("net: annotate accesses to queue->trans_start")
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20220412135852.466386-1-atenart@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
On umount, cifs_sb->tlink_tree might contain entries that do not represent
a valid tcon.
Check the tcon for error before we dereference it.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Reported-by: Xiaoli Feng <xifeng@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
When we looked into FIO performance with swiotlb enabled in VM, we found
swiotlb_bounce() is always called one more time than expected for each DMA
read request.
It turns out that the bounce buffer is copied to original DMA buffer twice
after the completion of a DMA request (one is done by in
dma_direct_sync_single_for_cpu(), the other by swiotlb_tbl_unmap_single()).
But the content in bounce buffer actually doesn't change between the two
rounds of copy. So, one round of copy is redundant.
Pass DMA_ATTR_SKIP_CPU_SYNC flag to swiotlb_tbl_unmap_single() to
skip the memory copy in it.
This fix increases FIO 64KB sequential read throughput in a guest with
swiotlb=force by 5.6%.
Fixes: 55897af630 ("dma-direct: merge swiotlb_dma_ops into the dma_direct code")
Reported-by: Wang Zhaoyang1 <zhaoyang1.wang@intel.com>
Reported-by: Gao Liang <liang.gao@intel.com>
Signed-off-by: Chao Gao <chao.gao@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
[why]
dcn316's dtbclk is from non_ss clock source.
no compensation required here.
Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Enabling gfxoff quirk results in perfectly usable graphical user
interface on MacBook Pro (15-inch, 2019) with Radeon Pro Vega 20 4 GB.
Without the quirk, X server is completely unusable as every few seconds
there is gpu reset due to ring gfx timeout.
Signed-off-by: Tomasz Moń <desowin@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
DP/HDMI audio on AMD PRO VII stops working after S3:
[ 149.450391] amdgpu 0000:63:00.0: amdgpu: MODE1 reset
[ 149.450395] amdgpu 0000:63:00.0: amdgpu: GPU mode1 reset
[ 149.450494] amdgpu 0000:63:00.0: amdgpu: GPU psp mode1 reset
[ 149.983693] snd_hda_intel 0000:63:00.1: refused to change power state from D0 to D3hot
[ 150.003439] amdgpu 0000:63:00.0: refused to change power state from D0 to D3hot
...
[ 155.432975] snd_hda_intel 0000:63:00.1: CORB reset timeout#2, CORBRP = 65535
The offending commit is daf8de0874 ("drm/amdgpu: always reset the asic in
suspend (v2)"). Commit 34452ac303 ("drm/amdgpu: don't use BACO for
reset in S3 ") doesn't help, so the issue is something different.
Assuming that to make HDA resume to D0 fully realized, it needs to be
successfully put to D3 first. And this guesswork proves working, by
moving amdgpu_asic_reset() to noirq callback, so it's called after HDA
function is in D3.
Fixes: daf8de0874 ("drm/amdgpu: always reset the asic in suspend (v2)")
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Drop the trailing vcn.
Fixes: afc2f27605 ("drm/amdgpu/vcn: add vcn support for vcn 3.1.2")
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
"Pre-multiplied" is the default pixel blend mode for KMS/DRM, as
documented in supported_modes of drm_plane_create_blend_mode_property():
https://cgit.freedesktop.org/drm/drm-misc/tree/drivers/gpu/drm/drm_blend.c
In this mode, both 'pixel alpha' and 'plane alpha' participate in the
calculation, as described by the pixel blend mode formula in KMS/DRM
documentation:
out.rgb = plane_alpha * fg.rgb +
(1 - (plane_alpha * fg.alpha)) * bg.rgb
Considering the blend config mechanisms we have in the driver so far,
the alpha mode that better fits this blend mode is the
_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN, where the value for global_gain
is the plane alpha (global_alpha).
With this change, alpha property stops to be ignored. It also addresses
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1734
v2:
* keep the 8-bit value for global_alpha_value (Nicholas)
* correct the logical ordering for combined global gain (Nicholas)
* apply to dcn10 too (Nicholas)
Signed-off-by: Melissa Wen <mwen@igalia.com>
Tested-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Tested-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
perf_evsel::sample_id is an xyarray which can cause a segfault when
accessed beyond its size. e.g.
# perf record -e intel_pt// -C 1 sleep 1
Segmentation fault (core dumped)
#
That is happening because a dummy event is opened to capture text poke
events accross all CPUs, however the mmap logic is allocating according
to the number of user_requested_cpus.
In general, perf sometimes uses the evsel cpus to open events, and
sometimes the evlist user_requested_cpus. However, it is not necessary
to determine which case is which because the opened event file
descriptors are also in an xyarray, the size of whch can be used
to correctly allocate the size of the sample_id xyarray, because there
is one ID per file descriptor.
Note, in the affected code path, perf_evsel fd array is subsequently
used to get the file descriptor for the mmap, so it makes sense for the
xyarrays to be the same size there.
Fixes: d1a177595b ("libperf: Adopt perf_evlist__mmap()/munmap() from tools/perf")
Fixes: 246eba8e90 ("perf tools: Add support for PERF_RECORD_TEXT_POKE")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: stable@vger.kernel.org # 5.5+
Link: https://lore.kernel.org/r/20220413114232.26914-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hashmap__new() returns ERR_PTR(-ENOMEM) when it fails, so we should use
IS_ERR() to check it in error handling path.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220413093302.2538128-1-lv.ruyi@zte.com.cn
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Currently the setting of the 'cpu' member of struct cpuhp_cpu_state in
cpuhp_create() is too late as it is used earlier in _cpu_up().
If kzalloc_node() in __smpboot_create_thread() fails then the rollback will
be done with st->cpu==0 causing CPU0 to be erroneously set to be dying,
causing the scheduler to get mightily confused and throw its toys out of
the pram.
However the cpu number is actually available directly, so simply remove
the 'cpu' member and avoid the problem in the first place.
Fixes: 2ea46c6fc9 ("cpumask/hotplug: Fix cpu_dying() state tracking")
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20220411152233.474129-2-steven.price@arm.com
get_pf_vdev() tries to check if a PF is a VFIO PF by looking at the driver:
if (pci_dev_driver(physfn) != pci_dev_driver(vdev->pdev)) {
However now that we have multiple VF and PF drivers this is no longer
reliable.
This means that security tests realted to vf_token can be skipped by
mixing and matching different VFIO PCI drivers.
Instead of trying to use the driver core to find the PF devices maintain a
linked list of all PF vfio_pci_core_device's that we have called
pci_enable_sriov() on.
When registering a VF just search the list to see if the PF is present and
record the match permanently in the struct. PCI core locking prevents a PF
from passing pci_disable_sriov() while VF drivers are attached so the VFIO
owned PF becomes a static property of the VF.
In common cases where vfio does not own the PF the global list remains
empty and the VF's pointer is statically NULL.
This also fixes a lockdep splat from recursive locking of the
vfio_group::device_lock between vfio_device_get_from_name() and
vfio_device_get_from_dev(). If the VF and PF share the same group this
would deadlock.
Fixes: ff53edf6d6 ("vfio/pci: Split the pci_driver code out of vfio_pci_core.c")
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/0-v3-876570980634+f2e8-vfio_vf_token_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Commit 0fbb4d93b3 ("dm: add dm_submit_bio_remap interface") changed
the alloc_io() function to delay the initialization of struct dm_io's
orig_bio member, leaving it NULL until after the dm_io and associated
user submitted bio is processed by __split_and_process_bio(). This
change causes a NULL pointer dereference in dm_zone_map_bio() when the
original user bio is inspected to detect the need for zone append
command emulation.
Fix this NULL pointer by updating dm_zone_map_bio() to not access
->orig_bio when the same info can be accessed from the clone of the
->orig_bio _before_ any ->map processing. Save off the bio_op() and
bio_sectors() for the clone and then use the saved orig_bio_details as
needed.
Fixes: 0fbb4d93b3 ("dm: add dm_submit_bio_remap interface")
Reported-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Mixing sched_clock() and ktime_get_ns() usage will give bad results.
Switch hst_select_path() from using sched_clock() to ktime_get_ns().
Also rename path_service_time()'s 'sched_now' variable to 'now'.
Fixes: 2613eab119 ("dm mpath: add Historical Service Time Path Selector")
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Smatch printed a warning:
arch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error:
__memcpy() 'dctx->buf' too small (16 vs u32max)
It's caused because Smatch marks 'link_len' as untrusted since it comes
from sscanf(). Add a check to ensure that 'link_len' is not larger than
the size of the 'link_str' buffer.
Fixes: c69c1b6eae ("cifs: implement CIFSParseMFSymlink()")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
The check in flush_smp_call_function_queue() for callbacks that are sent
to offline CPUs currently checks whether the queue is empty.
However, flush_smp_call_function_queue() has just deleted all the
callbacks from the queue and moved all the entries into a local list.
This checks would only be positive if some callbacks were added in the
short time after llist_del_all() was called. This does not seem to be
the intention of this check.
Change the check to look at the local list to which the entries were
moved instead of the queue from which all the callbacks were just
removed.
Fixes: 8d056c48e4 ("CPU hotplug, smp: flush any pending IPI callbacks before CPU offline")
Signed-off-by: Nadav Amit <namit@vmware.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20220319072015.1495036-1-namit@vmware.com
It is possible to set up dm-integrity in such a way that the
"tag_size" parameter is less than the actual digest size. In this
situation, a part of the digest beyond tag_size is ignored.
In this case, dm-integrity would write beyond the end of the
ic->recalc_tags array and corrupt memory. The corruption happened in
integrity_recalc->integrity_sector_checksum->crypto_shash_final.
Fix this corruption by increasing the tags array so that it has enough
padding at the end to accomodate the loop in integrity_recalc() being
able to write a full digest size for the last member of the tags
array.
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
We should not return an error code in req->result in
io_poll_check_events(), because it may get mangled and returned as
success. Just return the error code directly, the callers will fail the
request or proceed accordingly.
Fixes: 6bf9c47a39 ("io_uring: defer file assignment")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/5f03514ee33324dc811fb93df84aee0f695fb044.1649862516.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
