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of_get_child_by_name() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
This function only calls of_node_put() in normal path,
missing it in error paths.
Add missing of_node_put() to avoid refcount leak.
Fixes: f262f28c1470 ("PM / devfreq: event: Add devfreq_event class")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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HZ macros has been centralized in units.h since [1]. Use it to avoid
duplicated definition.
[1] commit e2c77032fcbe ("units: add the HZ macros")
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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With the passive governor, the cpu based scaling can PROBE_DEFER due to
the fact that CPU policy are not ready.
The cpufreq passive unregister notifier is called both from the
GOV_START errors and for the GOV_STOP and assume the notifier is
successfully registred every time. With GOV_START failing it's wrong to
loop over each possible CPU since the register path has failed for
some CPU policy not ready. Change the logic and unregister the notifer
based on the current allocated parent_cpu_data list to correctly handle
errors and the governor unregister path.
Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor")
Signed-off-by: Christian 'Ansuel' Marangi <ansuelsmth@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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Don't print warning when a governor PROBE_DEFER as it's not a real
GOV_START fail.
Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor")
Signed-off-by: Christian 'Ansuel' Marangi <ansuelsmth@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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The cpufreq passive register notifier can PROBE_DEFER and the devfreq
struct is freed and then reallocaed on probe retry.
The current logic assume that the code can't PROBE_DEFER so the devfreq
struct in the this variable in devfreq_passive_data is assumed to be
(if already set) always correct.
This cause kernel panic as the code try to access the wrong address.
To correctly handle this, update the this variable in
devfreq_passive_data to the devfreq reallocated struct.
Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor")
Signed-off-by: Christian 'Ansuel' Marangi <ansuelsmth@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix error handling in ibmaem driver initialization
- Fix bad data reported by occ driver after setting power cap
- Fix typos in pmbus/ucd9200 driver comments
* tag 'hwmon-for-v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ibmaem) don't call platform_device_del() if platform_device_add() fails
hwmon: (pmbus/ucd9200) fix typos in comments
hwmon: (occ) Prevent power cap command overwriting poll response
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If platform_device_add() fails, it no need to call platform_device_del(), split
platform_device_unregister() into platform_device_del/put(), so platform_device_put()
can be called separately.
Fixes: 8808a793f052 ("ibmaem: new driver for power/energy/temp meters in IBM System X hardware")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220701074153.4021556-1-yangyingliang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Drop the redundant word 'the' in the comments following
/*
* Set PHASE registers on all pages to 0xff to ensure that phase
* specific commands will apply to all phases of a given page (rail).
* This only affects the READ_IOUT and READ_TEMPERATURE2 registers.
* READ_IOUT will return the sum of currents of all phases of a rail,
* and READ_TEMPERATURE2 will return the maximum temperature detected
* for the [the - DROP] phases of the rail.
*/
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Link: https://lore.kernel.org/r/20220622063231.20612-1-jiangjian@cdjrlc.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Currently, the response to the power cap command overwrites the
first eight bytes of the poll response, since the commands use
the same buffer. This means that user's get the wrong data between
the time of sending the power cap and the next poll response update.
Fix this by specifying a different buffer for the power cap command
response.
Fixes: 5b5513b88002 ("hwmon: Add On-Chip Controller (OCC) hwmon driver")
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20220628203029.51747-1-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Restore TLB invalidation for the 'break-before-make' rule on
contiguous ptes (missed in a recent clean-up)"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: hugetlb: Restore TLB invalidation for BBM on contiguous ptes
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Commit fb396bb459c1 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()")
removed TLB invalidation from get_clear_flush() [now get_clear_contig()]
on the basis that the core TLB invalidation code is aware of hugetlb
mappings backed by contiguous page-table entries and will cover the
correct virtual address range.
However, this change also resulted in the TLB invalidation being removed
from the "break" step in the break-before-make (BBM) sequence used
internally by huge_ptep_set_{access_flags,wrprotect}(), therefore
making the BBM sequence unsafe irrespective of later invalidation.
Although the architecture is desperately unclear about how exactly
contiguous ptes should be updated in a live page-table, restore TLB
invalidation to our BBM sequence under the assumption that BBM is the
right thing to be doing in the first place.
Fixes: fb396bb459c1 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()")
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Steve Capper <steve.capper@arm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20220629095349.25748-1-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Fix purgatory build process so bin2c tool does not get built
unnecessarily and the Makefile is more consistent with other
architectures.
- Return earlier simple design of arch_get_random_seed_long|int() and
arch_get_random_long|int() callbacks as result of changes in generic
RNG code.
- Fix minor comment typos and spelling mistakes.
* tag 's390-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/qdio: Fix spelling mistake
s390/sclp: Fix typo in comments
s390/archrandom: simplify back to earlier design and initialize earlier
s390/purgatory: remove duplicated build rule of kexec-purgatory.o
s390/purgatory: hard-code obj-y in Makefile
s390: remove unneeded 'select BUILD_BIN2C'
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Change 'defineable' to 'definable'.
Change 'paramater' to 'parameter'.
Signed-off-by: Zhang Jiaming <jiaming@nfschina.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Link: https://lore.kernel.org/r/20220623060543.12870-1-jiaming@nfschina.com
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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Remove the repeated word 'and' from comments
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220622142713.14187-1-jiangjian@cdjrlc.com
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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s390x appears to present two RNG interfaces:
- a "TRNG" that gathers entropy using some hardware function; and
- a "DRBG" that takes in a seed and expands it.
Previously, the TRNG was wired up to arch_get_random_{long,int}(), but
it was observed that this was being called really frequently, resulting
in high overhead. So it was changed to be wired up to arch_get_random_
seed_{long,int}(), which was a reasonable decision. Later on, the DRBG
was then wired up to arch_get_random_{long,int}(), with a complicated
buffer filling thread, to control overhead and rate.
Fortunately, none of the performance issues matter much now. The RNG
always attempts to use arch_get_random_seed_{long,int}() first, which
means a complicated implementation of arch_get_random_{long,int}() isn't
really valuable or useful to have around. And it's only used when
reseeding, which means it won't hit the high throughput complications
that were faced before.
So this commit returns to an earlier design of just calling the TRNG in
arch_get_random_seed_{long,int}(), and returning false in arch_get_
random_{long,int}().
Part of what makes the simplification possible is that the RNG now seeds
itself using the TRNG at bootup. But this only works if the TRNG is
detected early in boot, before random_init() is called. So this commit
also causes that check to happen in setup_arch().
Cc: stable@vger.kernel.org
Cc: Harald Freudenberger <freude@linux.ibm.com>
Cc: Ingo Franzki <ifranzki@linux.ibm.com>
Cc: Juergen Christ <jchrist@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://lore.kernel.org/r/20220610222023.378448-1-Jason@zx2c4.com
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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This is equivalent to the pattern rule in scripts/Makefile.build.
Having the dependency on $(obj)/purgatory.ro is enough.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20220613170902.1775211-3-masahiroy@kernel.org
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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The purgatory/ directory is entirely guarded in arch/s390/Kbuild.
CONFIG_ARCH_HAS_KEXEC_PURGATORY is bool type.
$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) is always 'y' when Kbuild visits
this Makefile for building.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20220613170902.1775211-2-masahiroy@kernel.org
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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Since commit 4c0f032d4963 ("s390/purgatory: Omit use of bin2c"),
s390 builds the purgatory without using bin2c.
Remove 'select BUILD_BIN2C' to avoid the unneeded build of bin2c.
Fixes: 4c0f032d4963 ("s390/purgatory: Omit use of bin2c")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20220613170902.1775211-1-masahiroy@kernel.org
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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Pull NFS client fixes from Anna Schumaker:
- Allocate a fattr for _nfs4_discover_trunking()
- Fix module reference count leak in nfs4_run_state_manager()
* tag 'nfs-for-5.19-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFSv4: Add an fattr allocation to _nfs4_discover_trunking()
NFS: restore module put when manager exits.
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This was missed in c3ed222745d9 ("NFSv4: Fix free of uninitialized
nfs4_label on referral lookup.") and causes a panic when mounting
with '-o trunkdiscovery':
PID: 1604 TASK: ffff93dac3520000 CPU: 3 COMMAND: "mount.nfs"
#0 [ffffb79140f738f8] machine_kexec at ffffffffaec64bee
#1 [ffffb79140f73950] __crash_kexec at ffffffffaeda67fd
#2 [ffffb79140f73a18] crash_kexec at ffffffffaeda76ed
#3 [ffffb79140f73a30] oops_end at ffffffffaec2658d
#4 [ffffb79140f73a50] general_protection at ffffffffaf60111e
[exception RIP: nfs_fattr_init+0x5]
RIP: ffffffffc0c18265 RSP: ffffb79140f73b08 RFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff93dac304a800 RCX: 0000000000000000
RDX: ffffb79140f73bb0 RSI: ffff93dadc8cbb40 RDI: d03ee11cfaf6bd50
RBP: ffffb79140f73be8 R8: ffffffffc0691560 R9: 0000000000000006
R10: ffff93db3ffd3df8 R11: 0000000000000000 R12: ffff93dac4040000
R13: ffff93dac2848e00 R14: ffffb79140f73b60 R15: ffffb79140f73b30
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#5 [ffffb79140f73b08] _nfs41_proc_get_locations at ffffffffc0c73d53 [nfsv4]
#6 [ffffb79140f73bf0] nfs4_proc_get_locations at ffffffffc0c83e90 [nfsv4]
#7 [ffffb79140f73c60] nfs4_discover_trunking at ffffffffc0c83fb7 [nfsv4]
#8 [ffffb79140f73cd8] nfs_probe_fsinfo at ffffffffc0c0f95f [nfs]
#9 [ffffb79140f73da0] nfs_probe_server at ffffffffc0c1026a [nfs]
RIP: 00007f6254fce26e RSP: 00007ffc69496ac8 RFLAGS: 00000246
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6254fce26e
RDX: 00005600220a82a0 RSI: 00005600220a64d0 RDI: 00005600220a6520
RBP: 00007ffc69496c50 R8: 00005600220a8710 R9: 003035322e323231
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc69496c50
R13: 00005600220a8440 R14: 0000000000000010 R15: 0000560020650ef9
ORIG_RAX: 00000000000000a5 CS: 0033 SS: 002b
Fixes: c3ed222745d9 ("NFSv4: Fix free of uninitialized nfs4_label on referral lookup.")
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Commit f49169c97fce ("NFSD: Remove svc_serv_ops::svo_module") removed
calls to module_put_and_kthread_exit() from threads that acted as SUNRPC
servers and had a related svc_serv_ops structure. This was correct.
It ALSO removed the module_put_and_kthread_exit() call from
nfs4_run_state_manager() which is NOT a SUNRPC service.
Consequently every time the NFSv4 state manager runs the module count
increments and won't be decremented. So the nfsv4 module cannot be
unloaded.
So restore the module_put_and_kthread_exit() call.
Fixes: f49169c97fce ("NFSD: Remove svc_serv_ops::svo_module")
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Pull ceph fix from Ilya Dryomov:
"A ceph filesystem fix, marked for stable.
There appears to be a deeper issue on the MDS side, but for now we are
going with this one-liner to avoid busy looping and potential soft
lockups"
* tag 'ceph-for-5.19-rc5' of https://github.com/ceph/ceph-client:
ceph: wait on async create before checking caps for syncfs
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Currently, we'll call ceph_check_caps, but if we're still waiting
on the reply, we'll end up spinning around on the same inode in
flush_dirty_session_caps. Wait for the async create reply before
flushing caps.
Cc: stable@vger.kernel.org
URL: https://tracker.ceph.com/issues/55823
Fixes: fbed7045f552 ("ceph: wait for async create reply before sending any cap messages")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"Three fixes for invalid memory accesses discovered by using KASAN
while running the lvm2 testsuite's dm-raid tests. Includes changes to
MD's raid5.c given the dependency dm-raid has on the MD code"
* tag 'for-5.19/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm raid: fix KASAN warning in raid5_add_disks
dm raid: fix KASAN warning in raid5_remove_disk
dm raid: fix accesses beyond end of raid member array
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There's a KASAN warning in raid5_add_disk when running the LVM testsuite.
The warning happens in the test
lvconvert-raid-reshape-linear_to_raid6-single-type.sh. We fix the warning
by verifying that rdev->saved_raid_disk is within limits.
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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There's a KASAN warning in raid5_remove_disk when running the LVM
testsuite. We fix this warning by verifying that the "number" variable is
within limits.
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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On dm-raid table load (using raid_ctr), dm-raid allocates an array
rs->devs[rs->raid_disks] for the raid device members. rs->raid_disks
is defined by the number of raid metadata and image tupples passed
into the target's constructor.
In the case of RAID layout changes being requested, that number can be
different from the current number of members for existing raid sets as
defined in their superblocks. Example RAID layout changes include:
- raid1 legs being added/removed
- raid4/5/6/10 number of stripes changed (stripe reshaping)
- takeover to higher raid level (e.g. raid5 -> raid6)
When accessing array members, rs->raid_disks must be used in control
loops instead of the potentially larger value in rs->md.raid_disks.
Otherwise it will cause memory access beyond the end of the rs->devs
array.
Fix this by changing code that is prone to out-of-bounds access.
Also fix validate_raid_redundancy() to validate all devices that are
added. Also, use braces to help clean up raid_iterate_devices().
The out-of-bounds memory accesses was discovered using KASAN.
This commit was verified to pass all LVM2 RAID tests (with KASAN
enabled).
Cc: stable@vger.kernel.org
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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Pull io_uring fixes from Jens Axboe:
"Two minor tweaks:
- While we still can, adjust the send/recv based flags to be in
->ioprio rather than in ->addr2. This is consistent with eg accept,
and also doesn't waste a full 64-bit field for flags (Pavel)
- 5.18-stable fix for re-importing provided buffers. Not much real
world relevance here as it'll only impact non-pollable files gone
async, which is more of a practical test case rather than something
that is used in the wild (Dylan)"
* tag 'io_uring-5.19-2022-07-01' of git://git.kernel.dk/linux-block:
io_uring: fix provided buffer import
io_uring: keep sendrecv flags in ioprio
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io_import_iovec uses the s pointer, but this was changed immediately
after the iovec was re-imported and so it was imported into the wrong
place.
Change the ordering.
Fixes: 2be2eb02e2f5 ("io_uring: ensure reads re-import for selected buffers")
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220630132006.2825668-1-dylany@fb.com
[axboe: ensure we don't half-import as well]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We waste a u64 SQE field for flags even though we don't need as many
bits and it can be used for something more useful later. Store io_uring
specific send/recv flags in sqe->ioprio instead of ->addr2.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Fixes: 0455d4ccec54 ("io_uring: add POLL_FIRST support for send/sendmsg and recv/recvmsg")
[axboe: change comment in io_uring.h as well]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull block fixes from Jens Axboe:
- Fix for batch getting of tags in sbitmap (wuchi)
- NVMe pull request via Christoph:
- More quirks (Lamarque Vieira Souza, Pablo Greco)
- Fix a fabrics disconnect regression (Ruozhu Li)
- Fix a nvmet-tcp data_digest calculation regression (Sagi
Grimberg)
- Fix nvme-tcp send failure handling (Sagi Grimberg)
- Fix a regression with nvmet-loop and passthrough controllers
(Alan Adamson)
* tag 'block-5.19-2022-07-01' of git://git.kernel.dk/linux-block:
nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA IM2P33F8ABR1
nvmet: add a clear_ids attribute for passthru targets
nvme: fix regression when disconnect a recovering ctrl
nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG SX6000LNP (AKA SPECTRIX S40G)
nvme-tcp: always fail a request when sending it failed
nvmet-tcp: fix regression in data_digest calculation
lib/sbitmap: Fix invalid loop in __sbitmap_queue_get_batch()
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Pull NVMe fixes from Christoph:
"nvme fixes for Linux 5.19
- more quirks (Lamarque Vieira Souza, Pablo Greco)
- fix a fabrics disconnect regression (Ruozhu Li)
- fix a nvmet-tcp data_digest calculation regression (Sagi Grimberg)
- fix nvme-tcp send failure handling (Sagi Grimberg)
- fix a regression with nvmet-loop and passthrough controllers
(Alan Adamson)"
* tag 'nvme-5.19-2022-06-30' of git://git.infradead.org/nvme:
nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA IM2P33F8ABR1
nvmet: add a clear_ids attribute for passthru targets
nvme: fix regression when disconnect a recovering ctrl
nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG SX6000LNP (AKA SPECTRIX S40G)
nvme-tcp: always fail a request when sending it failed
nvmet-tcp: fix regression in data_digest calculation
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ADATA IM2P33F8ABR1 reports bogus eui64 values that appear to be the same
across all drives. Quirk them out so they are not marked as "non globally
unique" duplicates.
Co-developed-by: Felipe de Jesus Araujo da Conceição <felipe.conceicao@petrosoftdesign.com>
Signed-off-by: Felipe de Jesus Araujo da Conceição <felipe.conceicao@petrosoftdesign.com>
Signed-off-by: Lamarque V. Souza <lamarque.souza@petrosoftdesign.com>
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
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If the clear_ids attribute is set to true, the EUI/GUID/UUID is cleared
for the passthru target. By default, loop targets will set clear_ids to
true.
This resolves an issue where a connect to a passthru target fails when
using a trtype of 'loop' because EUI/GUID/UUID is not unique.
Fixes: 2079f41ec6ff ("nvme: check that EUI/GUID/UUID are globally unique")
Signed-off-by: Alan Adamson <alan.adamson@oracle.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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We encountered a problem that the disconnect command hangs.
After analyzing the log and stack, we found that the triggering
process is as follows:
CPU0 CPU1
nvme_rdma_error_recovery_work
nvme_rdma_teardown_io_queues
nvme_do_delete_ctrl nvme_stop_queues
nvme_remove_namespaces
--clear ctrl->namespaces
nvme_start_queues
--no ns in ctrl->namespaces
nvme_ns_remove return(because ctrl is deleting)
blk_freeze_queue
blk_mq_freeze_queue_wait
--wait for ns to unquiesce to clean infligt IO, hang forever
This problem was not found in older kernels because we will flush
err work in nvme_stop_ctrl before nvme_remove_namespaces.It does not
seem to be modified for functional reasons, the patch can be revert
to solve the problem.
Revert commit 794a4cb3d2f7 ("nvme: remove the .stop_ctrl callout")
Signed-off-by: Ruozhu Li <liruozhu@huawei.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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ADATA XPG SPECTRIX S40G drives report bogus eui64 values that appear to
be the same across drives in one system. Quirk them out so they are
not marked as "non globally unique" duplicates.
Before:
[ 2.258919] nvme nvme1: pci function 0000:06:00.0
[ 2.264898] nvme nvme2: pci function 0000:05:00.0
[ 2.323235] nvme nvme1: failed to set APST feature (2)
[ 2.326153] nvme nvme2: failed to set APST feature (2)
[ 2.333935] nvme nvme1: allocated 64 MiB host memory buffer.
[ 2.336492] nvme nvme2: allocated 64 MiB host memory buffer.
[ 2.339611] nvme nvme1: 7/0/0 default/read/poll queues
[ 2.341805] nvme nvme2: 7/0/0 default/read/poll queues
[ 2.346114] nvme1n1: p1
[ 2.347197] nvme nvme2: globally duplicate IDs for nsid 1
After:
[ 2.427715] nvme nvme1: pci function 0000:06:00.0
[ 2.427771] nvme nvme2: pci function 0000:05:00.0
[ 2.488154] nvme nvme2: failed to set APST feature (2)
[ 2.489895] nvme nvme1: failed to set APST feature (2)
[ 2.498773] nvme nvme2: allocated 64 MiB host memory buffer.
[ 2.500587] nvme nvme1: allocated 64 MiB host memory buffer.
[ 2.504113] nvme nvme2: 7/0/0 default/read/poll queues
[ 2.507026] nvme nvme1: 7/0/0 default/read/poll queues
[ 2.509467] nvme nvme2: Ignoring bogus Namespace Identifiers
[ 2.512804] nvme nvme1: Ignoring bogus Namespace Identifiers
[ 2.513698] nvme1n1: p1
Signed-off-by: Pablo Greco <pgreco@centosproject.org>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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queue stoppage and inflight requests cancellation is fully fenced from
io_work and thus failing a request from this context. Hence we don't
need to try to guess from the socket retcode if this failure is because
the queue is about to be torn down or not.
We are perfectly safe to just fail it, the request will not be cancelled
later on.
This solves possible very long shutdown delays when the users issues a
'nvme disconnect-all'
Reported-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Data digest calculation iterates over command mapped iovec. However
since commit bac04454ef9f we unmap the iovec before we handle the data
digest, and since commit 69b85e1f1d1d we clear nr_mapped when we unmap
the iov.
Instead of open-coding the command iov traversal, simply call
crypto_ahash_digest with the command sg that is already allocated (we
already do that for the send path). Rename nvmet_tcp_send_ddgst to
nvmet_tcp_calc_ddgst and call it from send and recv paths.
Fixes: 69b85e1f1d1d ("nvmet-tcp: add an helper to free the cmd buffers")
Fixes: bac04454ef9f ("nvmet-tcp: fix kmap leak when data digest in use")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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1. Getting next index before continue branch.
2. Checking free bits when setting the target bits. Otherwise,
it may reuse the busying bits.
Signed-off-by: wuchi <wuchi.zero@gmail.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Link: https://lore.kernel.org/r/20220605145835.26916-1-wuchi.zero@gmail.com
Fixes: 9672b0d43782 ("sbitmap: add __sbitmap_queue_get_batch()")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One simple driver fix for a dma overrun"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: hisi_sas: Limit max hw sectors for v3 HW
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If the controller is behind an IOMMU then the IOMMU IOVA caching range can
affect performance, as discussed in [0].
Limit the max HW sectors to not exceed this limit. We need to hardcode the
value until a proper DMA mapping API is available.
[0] https://lore.kernel.org/linux-iommu/20210129092120.1482-1-thunder.leizhen@huawei.com/
Link: https://lore.kernel.org/r/1655988119-223714-1-git-send-email-john.garry@huawei.com
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA fix from Damien Le Moal:
- Fix a compilation warning with some versions of gcc/sparse when
compiling the pata_cs5535 driver, from John.
* tag 'ata-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_cs5535: Fix W=1 warnings
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x86_64 allmodconfig build with W=1 gives these warnings:
drivers/ata/pata_cs5535.c: In function ‘cs5535_set_piomode’:
drivers/ata/pata_cs5535.c:93:11: error: variable ‘dummy’ set but not
used [-Werror=unused-but-set-variable]
u32 reg, dummy;
^~~~~
drivers/ata/pata_cs5535.c: In function ‘cs5535_set_dmamode’:
drivers/ata/pata_cs5535.c:132:11: error: variable ‘dummy’ set but not
used [-Werror=unused-but-set-variable]
u32 reg, dummy;
^~~~~
cc1: all warnings being treated as errors
Mark variables 'dummy' as "maybe unused" as they are only ever written
in rdmsr() calls.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Two small fixes
- Initialize a spinlock in the stm32 reset code
- Add dt bindings to the clk maintainer filepattern"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
MAINTAINERS: add include/dt-bindings/clock to COMMON CLK FRAMEWORK
clk: stm32: rcc_reset: Fix missing spin_lock_init()
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Maintainers of the directory Documentation/devicetree/bindings/clock
are also the maintainers of the corresponding directory in
include/dt-bindings/clock.
Add the file entry for include/dt-bindings/clock to the appropriate
section in MAINTAINERS.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20220613085100.402-1-lukas.bulwahn@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.
Fixes: 637cee5ffc71 ("clk: stm32: Introduce STM32MP13 RCC drivers (Reset Clock Controller)")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220608021154.990347-1-weiyongjun1@huawei.com
Tested-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Reviewed-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Pull drm fixes from Dave Airlie:
"Bit quieter this week, the main thing is it pulls in the fixes for the
sysfb resource issue you were seeing. these had been queued for next
so should have had some decent testing.
Otherwise amdgpu, i915 and msm each have a few fixes, and vc4 has one.
fbdev:
- sysfb fixes/conflicting fb fixes
amdgpu:
- GPU recovery fix
- Fix integer type usage in fourcc header for AMD modifiers
- KFD TLB flush fix for gfx9 APUs
- Display fix
i915:
- Fix ioctl argument error return
- Fix d3cold disable to allow PCI upstream bridge D3 transition
- Fix setting cache_dirty for dma-buf objects on discrete
msm:
- Fix to increment vsync_cnt before calling drm_crtc_handle_vblank so
that userspace sees the value *after* it is incremented if waiting
for vblank events
- Fix to reset drm_dev to NULL in dp_display_unbind to avoid a crash
in probe/bind error paths
- Fix to resolve the smatch error of de-referencing before NULL check
in dpu_encoder_phys_wb.c
- Fix error return to userspace if fence-id allocation fails in
submit ioctl
vc4:
- NULL ptr dereference fix"
* tag 'drm-fixes-2022-07-01' of git://anongit.freedesktop.org/drm/drm:
Revert "drm/amdgpu/display: set vblank_disable_immediate for DC"
drm/amdgpu: To flush tlb for MMHUB of RAVEN series
drm/fourcc: fix integer type usage in uapi header
drm/amdgpu: fix adev variable used in amdgpu_device_gpu_recover()
fbdev: Disable sysfb device registration when removing conflicting FBs
firmware: sysfb: Add sysfb_disable() helper function
firmware: sysfb: Make sysfb_create_simplefb() return a pdev pointer
drm/msm/gem: Fix error return on fence id alloc fail
drm/i915: tweak the ordering in cpu_write_needs_clflush
drm/i915/dgfx: Disable d3cold at gfx root port
drm/i915/gem: add missing else
drm/vc4: perfmon: Fix variable dereferenced before check
drm/msm/dpu: Fix variable dereferenced before check
drm/msm/dp: reset drm_dev to NULL at dp_display_unbind()
drm/msm/dpu: Increment vsync_cnt before waking up userspace
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
A NULL pointer dereference fix for vc4, and 3 patches to improve the
sysfb device behaviour when removing conflicting framebuffers
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220630072404.2fa4z3nk5h5q34ci@houat
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The platform devices registered by sysfb match with firmware-based DRM or
fbdev drivers, that are used to have early graphics using a framebuffer
provided by the system firmware.
DRM or fbdev drivers later are probed and remove conflicting framebuffers,
leading to these platform devices for generic drivers to be unregistered.
But the current solution has a race, since the sysfb_init() function could
be called after a DRM or fbdev driver is probed and request to unregister
the devices for drivers with conflicting framebuffes.
To prevent this, disable any future sysfb platform device registration by
calling sysfb_disable(), if a driver requests to remove the conflicting
framebuffers.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220607182338.344270-4-javierm@redhat.com
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This can be used by subsystems to unregister a platform device registered
by sysfb and also to disable future platform device registration in sysfb.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220607182338.344270-3-javierm@redhat.com
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