There is a spelling mistake in a Kconfig description. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Link: https://lore.kernel.org/r/20221007203500.2756787-1-colin.i.king@gmail.com
Signed-off-by: Juergen Gross <jgross@suse.com>
The DENYLIST and DENYLIST.s390x files are used to specify testcases
which should not be run on CI. Currently, testcases are appended to the
end of these files as needed. This can make it a pain to resolve merge
conflicts. This patch alphabetizes the DENYLIST files to ease this
burden.
Signed-off-by: David Vernet <void@manifault.com>
Acked-by: Daniel Müller <deso@posteo.net>
Link: https://lore.kernel.org/r/20221011165255.774014-1-void@manifault.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
* Added verification that memblock allocations zero the allocated memory
* Added more test cases for memblock_add(), memblock_remove(),
memblock_reserve() and memblock_free()
* Added tests for memblock_*_raw() family
* Added tests for NUMA-aware allocations in memblock_alloc_try_nid() and
memblock_alloc_try_nid_raw()
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Merge tag 'memblock-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock updates from Mike Rapoport:
"Test suite improvements:
- Added verification that memblock allocations zero the allocated
memory
- Added more test cases for memblock_add(), memblock_remove(),
memblock_reserve() and memblock_free()
- Added tests for memblock_*_raw() family
- Added tests for NUMA-aware allocations in memblock_alloc_try_nid()
and memblock_alloc_try_nid_raw()"
* tag 'memblock-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock tests: add generic NUMA tests for memblock_alloc_try_nid*
memblock tests: add bottom-up NUMA tests for memblock_alloc_try_nid*
memblock tests: add top-down NUMA tests for memblock_alloc_try_nid*
memblock tests: add simulation of physical memory with multiple NUMA nodes
memblock_tests: move variable declarations to single block
memblock tests: remove 'cleared' from comment blocks
memblock tests: add tests for memblock_trim_memory
memblock tests: add tests for memblock_*bottom_up functions
memblock tests: update alloc_nid_api to test memblock_alloc_try_nid_raw
memblock tests: update alloc_api to test memblock_alloc_raw
memblock tests: add additional tests for basic api and memblock_alloc
memblock tests: add labels to verbose output for generic alloc tests
memblock tests: update zeroed memory check for memblock_alloc_* tests
memblock tests: update tests to check if memblock_alloc zeroed memory
memblock tests: update reference to obsolete build option in comments
memblock tests: add command line help option
* Fixes for single-stepping in the presence of an async
exception as well as the preservation of PSTATE.SS
* Better handling of AArch32 ID registers on AArch64-only
systems
* Fixes for the dirty-ring API, allowing it to work on
architectures with relaxed memory ordering
* Advertise the new kvmarm mailing list
* Various minor cleanups and spelling fixes
RISC-V:
* Improved instruction encoding infrastructure for
instructions not yet supported by binutils
* Svinval support for both KVM Host and KVM Guest
* Zihintpause support for KVM Guest
* Zicbom support for KVM Guest
* Record number of signal exits as a VCPU stat
* Use generic guest entry infrastructure
x86:
* Misc PMU fixes and cleanups.
* selftests: fixes for Hyper-V hypercall
* selftests: fix nx_huge_pages_test on TDP-disabled hosts
* selftests: cleanups for fix_hypercall_test
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more kvm updates from Paolo Bonzini:
"The main batch of ARM + RISC-V changes, and a few fixes and cleanups
for x86 (PMU virtualization and selftests).
ARM:
- Fixes for single-stepping in the presence of an async exception as
well as the preservation of PSTATE.SS
- Better handling of AArch32 ID registers on AArch64-only systems
- Fixes for the dirty-ring API, allowing it to work on architectures
with relaxed memory ordering
- Advertise the new kvmarm mailing list
- Various minor cleanups and spelling fixes
RISC-V:
- Improved instruction encoding infrastructure for instructions not
yet supported by binutils
- Svinval support for both KVM Host and KVM Guest
- Zihintpause support for KVM Guest
- Zicbom support for KVM Guest
- Record number of signal exits as a VCPU stat
- Use generic guest entry infrastructure
x86:
- Misc PMU fixes and cleanups.
- selftests: fixes for Hyper-V hypercall
- selftests: fix nx_huge_pages_test on TDP-disabled hosts
- selftests: cleanups for fix_hypercall_test"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (57 commits)
riscv: select HAVE_POSIX_CPU_TIMERS_TASK_WORK
RISC-V: KVM: Use generic guest entry infrastructure
RISC-V: KVM: Record number of signal exits as a vCPU stat
RISC-V: KVM: add __init annotation to riscv_kvm_init()
RISC-V: KVM: Expose Zicbom to the guest
RISC-V: KVM: Provide UAPI for Zicbom block size
RISC-V: KVM: Make ISA ext mappings explicit
RISC-V: KVM: Allow Guest use Zihintpause extension
RISC-V: KVM: Allow Guest use Svinval extension
RISC-V: KVM: Use Svinval for local TLB maintenance when available
RISC-V: Probe Svinval extension form ISA string
RISC-V: KVM: Change the SBI specification version to v1.0
riscv: KVM: Apply insn-def to hlv encodings
riscv: KVM: Apply insn-def to hfence encodings
riscv: Introduce support for defining instructions
riscv: Add X register names to gpr-nums
KVM: arm64: Advertise new kvmarm mailing list
kvm: vmx: keep constant definition format consistent
kvm: mmu: fix typos in struct kvm_arch
KVM: selftests: Fix nx_huge_pages_test on TDP-disabled hosts
...
If nilfs_attach_log_writer() failed to create a log writer thread, it
frees a data structure of the log writer without any cleanup. After
commit e912a5b668 ("nilfs2: use root object to get ifile"), this causes
a leak of struct nilfs_root, which started to leak an ifile metadata inode
and a kobject on that struct.
In addition, if the kernel is booted with panic_on_warn, the above
ifile metadata inode leak will cause the following panic when the
nilfs2 kernel module is removed:
kmem_cache_destroy nilfs2_inode_cache: Slab cache still has objects when
called from nilfs_destroy_cachep+0x16/0x3a [nilfs2]
WARNING: CPU: 8 PID: 1464 at mm/slab_common.c:494 kmem_cache_destroy+0x138/0x140
...
RIP: 0010:kmem_cache_destroy+0x138/0x140
Code: 00 20 00 00 e8 a9 55 d8 ff e9 76 ff ff ff 48 8b 53 60 48 c7 c6 20 70 65 86 48 c7 c7 d8 69 9c 86 48 8b 4c 24 28 e8 ef 71 c7 00 <0f> 0b e9 53 ff ff ff c3 48 81 ff ff 0f 00 00 77 03 31 c0 c3 53 48
...
Call Trace:
<TASK>
? nilfs_palloc_freev.cold.24+0x58/0x58 [nilfs2]
nilfs_destroy_cachep+0x16/0x3a [nilfs2]
exit_nilfs_fs+0xa/0x1b [nilfs2]
__x64_sys_delete_module+0x1d9/0x3a0
? __sanitizer_cov_trace_pc+0x1a/0x50
? syscall_trace_enter.isra.19+0x119/0x190
do_syscall_64+0x34/0x80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
...
</TASK>
Kernel panic - not syncing: panic_on_warn set ...
This patch fixes these issues by calling nilfs_detach_log_writer() cleanup
function if spawning the log writer thread fails.
Link: https://lkml.kernel.org/r/20221007085226.57667-1-konishi.ryusuke@gmail.com
Fixes: e912a5b668 ("nilfs2: use root object to get ifile")
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+7381dc4ad60658ca4c05@syzkaller.appspotmail.com
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
If the i_mode field in inode of metadata files is corrupted on disk, it
can cause the initialization of bmap structure, which should have been
called from nilfs_read_inode_common(), not to be called. This causes a
lockdep warning followed by a NULL pointer dereference at
nilfs_bmap_lookup_at_level().
This patch fixes these issues by adding a missing sanitiy check for the
i_mode field of metadata file's inode.
Link: https://lkml.kernel.org/r/20221002030804.29978-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+2b32eb36c1a825b7a74c@syzkaller.appspotmail.com
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
If the beginning of the inode bitmap area is corrupted on disk, an inode
with the same inode number as the root inode can be allocated and fail
soon after. In this case, the subsequent call to nilfs_clear_inode() on
that bogus root inode will wrongly decrement the reference counter of
struct nilfs_root, and this will erroneously free struct nilfs_root,
causing kernel oopses.
This fixes the problem by changing nilfs_new_inode() to skip reserved
inode numbers while repairing the inode bitmap.
Link: https://lkml.kernel.org/r/20221003150519.39789-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+b8c672b0e22615c80fe0@syzkaller.appspotmail.com
Reported-by: Khalid Masum <khalid.masum.92@gmail.com>
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
'struct damon_target' creation function, 'damon_new_target()' is not
initializing its '->list' field, unlike other DAMON structs creator
functions such as 'damon_new_region()'. Normal users of
'damon_new_target()' initializes the field by adding the target to DAMON
context's targets list, but some code could access the uninitialized
field.
This commit avoids the case by initializing the field in
'damon_new_target()'.
Link: https://lkml.kernel.org/r/20221002193130.8227-1-sj@kernel.org
Fixes: f23b8eee18 ("mm/damon/core: implement region-based sampling")
Signed-off-by: SeongJae Park <sj@kernel.org>
Reported-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Tested-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
On some architectures (like ARM64), it can support CONT-PTE/PMD size
hugetlb, which means it can support not only PMD/PUD size hugetlb (2M and
1G), but also CONT-PTE/PMD size(64K and 32M) if a 4K page size specified.
So when looking up a CONT-PTE size hugetlb page by follow_page(), it will
use pte_offset_map_lock() to get the pte entry lock for the CONT-PTE size
hugetlb in follow_page_pte(). However this pte entry lock is incorrect
for the CONT-PTE size hugetlb, since we should use huge_pte_lock() to get
the correct lock, which is mm->page_table_lock.
That means the pte entry of the CONT-PTE size hugetlb under current pte
lock is unstable in follow_page_pte(), we can continue to migrate or
poison the pte entry of the CONT-PTE size hugetlb, which can cause some
potential race issues, even though they are under the 'pte lock'.
For example, suppose thread A is trying to look up a CONT-PTE size hugetlb
page by move_pages() syscall under the lock, however antoher thread B can
migrate the CONT-PTE hugetlb page at the same time, which will cause
thread A to get an incorrect page, if thread A also wants to do page
migration, then data inconsistency error occurs.
Moreover we have the same issue for CONT-PMD size hugetlb in
follow_huge_pmd().
To fix above issues, rename the follow_huge_pmd() as follow_huge_pmd_pte()
to handle PMD and PTE level size hugetlb, which uses huge_pte_lock() to
get the correct pte entry lock to make the pte entry stable.
Mike said:
Support for CONT_PMD/_PTE was added with bb9dd3df8e ("arm64: hugetlb:
refactor find_num_contig()"). Patch series "Support for contiguous pte
hugepages", v4. However, I do not believe these code paths were
executed until migration support was added with 5480280d3f ("arm64/mm:
enable HugeTLB migration for contiguous bit HugeTLB pages") I would go
with 5480280d3f for the Fixes: targe.
Link: https://lkml.kernel.org/r/635f43bdd85ac2615a58405da82b4d33c6e5eb05.1662017562.git.baolin.wang@linux.alibaba.com
Fixes: 5480280d3f ("arm64/mm: enable HugeTLB migration for contiguous bit HugeTLB pages")
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Suggested-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
First set of fixes for v6.1. Quite a lot of fixes in stack but also
for mt76.
cfg80211/mac80211
* fix locking error in mac80211's hw addr change
* fix TX queue stop for internal TXQs
* handling of very small (e.g. STP TCN) packets
* two memcpy() hardening fixes
* fix probe request 6 GHz capability warning
* fix various connection prints
* fix decapsulation offload for AP VLAN
mt76
* fix rate reporting, LLC packets and receive checksum offload on specific chipsets
iwlwifi
* fix crash due to list corruption
ath11k
* fix a compiler warning with GCC 11 and KASAN
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Merge tag 'wireless-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Kalle Valo says:
====================
wireless fixes for v6.1
First set of fixes for v6.1. Quite a lot of fixes in stack but also
for mt76.
cfg80211/mac80211
- fix locking error in mac80211's hw addr change
- fix TX queue stop for internal TXQs
- handling of very small (e.g. STP TCN) packets
- two memcpy() hardening fixes
- fix probe request 6 GHz capability warning
- fix various connection prints
- fix decapsulation offload for AP VLAN
mt76
- fix rate reporting, LLC packets and receive checksum offload on specific chipsets
iwlwifi
- fix crash due to list corruption
ath11k
- fix a compiler warning with GCC 11 and KASAN
* tag 'wireless-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: ath11k: mac: fix reading 16 bytes from a region of size 0 warning
wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue (other cases)
wifi: mt76: fix rx checksum offload on mt7615/mt7915/mt7921
wifi: mt76: fix receiving LLC packets on mt7615/mt7915
wifi: nl80211: Split memcpy() of struct nl80211_wowlan_tcp_data_token flexible array
wifi: wext: use flex array destination for memcpy()
wifi: cfg80211: fix ieee80211_data_to_8023_exthdr handling of small packets
wifi: mac80211: netdev compatible TX stop for iTXQ drivers
wifi: mac80211: fix decap offload for stations on AP_VLAN interfaces
wifi: mac80211: unlock on error in ieee80211_can_powered_addr_change()
wifi: mac80211: remove/avoid misleading prints
wifi: mac80211: fix probe req HE capabilities access
wifi: mac80211: do not drop packets smaller than the LLC-SNAP header on fast-rx
wifi: mt76: fix rate reporting / throughput regression on mt7915 and newer
====================
Link: https://lore.kernel.org/r/20221011163123.A093CC433D6@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The argument has_signal of arch_do_signal_or_restart() has been removed in
commit 8ba62d3794 ("task_work: Call tracehook_notify_signal from
get_signal on all architectures"), let us remove the related comment.
Link: https://lkml.kernel.org/r/1662090106-5545-1-git-send-email-yangtiezhu@loongson.cn
Fixes: 8ba62d3794 ("task_work: Call tracehook_notify_signal from get_signal on all architectures")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Create process without mappings and check
/proc/*/maps
/proc/*/numa_maps
/proc/*/smaps
/proc/*/smaps_rollup
They must be empty (excluding vsyscall page) or full of zeroes.
Retroactively this test should've caught embarassing /proc/*/smaps_rollup
oops:
[17752.703567] BUG: kernel NULL pointer dereference, address: 0000000000000000
[17752.703580] #PF: supervisor read access in kernel mode
[17752.703583] #PF: error_code(0x0000) - not-present page
[17752.703587] PGD 0 P4D 0
[17752.703593] Oops: 0000 [#1] PREEMPT SMP PTI
[17752.703598] CPU: 0 PID: 60649 Comm: cat Tainted: G W 5.19.9-100.fc35.x86_64 #1
[17752.703603] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./X99 Extreme6/3.1, BIOS P3.30 08/05/2016
[17752.703607] RIP: 0010:show_smaps_rollup+0x159/0x2e0
Note 1:
ProtectionKey field in /proc/*/smaps is optional,
so check most of its contents, not everything.
Note 2:
due to the nature of this test, child process hardly can signal
its readiness (after unmapping everything!) to parent.
I feel like "sleep(1)" is justified.
If you know how to do it without sleep please tell me.
Note 3:
/proc/*/statm is not tested but can be.
Link: https://lkml.kernel.org/r/Yz3liL6Dn+n2SD8Q@localhost.localdomain
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The implementation of strscpy() is more robust and safer. That's now the
recommended way to copy NUL terminated strings.
Link: https://lkml.kernel.org/r/20220930061950.288290-1-xu.xin16@zte.com.cn
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Cc: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Commit 3c07bfce92a5 ("proc: make config PROC_CHILDREN depend on PROC_FS")
make config PROC_CHILDREN depend on PROC_FS.
When CONFIG_PROC_FS is not set and CONFIG_CHECKPOINT_RESTORE=y,
make menuconfig screams like this:
WARNING: unmet direct dependencies detected for PROC_CHILDREN
Depends on [n]: PROC_FS [=n]
Selected by [y]:
- CHECKPOINT_RESTORE [=y]
CHECKPOINT_RESTORE would select PROC_CHILDREN which depends on PROC_FS,
so add depends on PROC_FS to CHECKPOINT_RESTORE to fix this.
Link: https://lkml.kernel.org/r/20220929070057.59044-1-renzhijie2@huawei.com
Fixes: 3c07bfce92a5 ("proc: make config PROC_CHILDREN depend on PROC_FS")
Signed-off-by: Ren Zhijie <renzhijie2@huawei.com>
Reviewed-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
If creation or finalization of a checkpoint fails due to anomalies in the
checkpoint metadata on disk, a kernel warning is generated.
This patch replaces the WARN_ONs by nilfs_error, so that a kernel, booted
with panic_on_warn, does not panic. A nilfs_error is appropriate here to
handle the abnormal filesystem condition.
This also replaces the detected error codes with an I/O error so that
neither of the internal error codes is returned to callers.
Link: https://lkml.kernel.org/r/20220929123330.19658-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+fbb3e0b24e8dae5a16ee@syzkaller.appspotmail.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
linux/sched/mm.h is included more than once.
Link: https://lkml.kernel.org/r/20220912071556.16811-1-xu.panda@zte.com.cn
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Reported-by: Zeal Robot <zealci@zte.com.cn>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Christian Brauner (Microsoft) <brauner@kernel.org>
Cc: "Eric W . Biederman" <ebiederm@xmission.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
- Add support for AMD on 'perf mem' and 'perf c2c', the kernel enablement
patches went via tip.
Example:
$ sudo perf mem record -- -c 10000
^C[ perf record: Woken up 227 times to write data ]
[ perf record: Captured and wrote 58.760 MB perf.data (836978 samples) ]
$ sudo perf mem report -F mem,sample,snoop
Samples: 836K of event 'ibs_op//', Event count (approx.): 8418762
Memory access Samples Snoop
N/A 700620 N/A
L1 hit 126675 N/A
L2 hit 424 N/A
L3 hit 664 HitM
L3 hit 10 N/A
Local RAM hit 2 N/A
Remote RAM (1 hop) hit 8558 N/A
Remote Cache (1 hop) hit 3 N/A
Remote Cache (1 hop) hit 2 HitM
Remote Cache (2 hops) hit 10 HitM
Remote Cache (2 hops) hit 6 N/A
Uncached hit 4 N/A
$
- "perf lock" improvements:
- Add -E/--entries option to limit the number of entries to display, say to ask for
just the top 5 contended locks.
- Add -q/--quiet option to suppress header and debug messages.
- Add a 'perf test' kernel lock contention entry to test 'perf lock'.
- "perf lock contention" improvements:
- Ask BPF's bpf_get_stackid() to skip some callchain entries.
The ones closer to the tooling are bpf related and not that interesting, the
ones calling the locking function are the ones we're interested in, example
of a full, unskipped callstack:
- Allow changing the callstack depth and number of entries to skip.
1 10.74 us 10.74 us 10.74 us spinlock __bpf_trace_contention_begin+0xb
0xffffffffc03b5c47 bpf_prog_bf07ae9e2cbd02c5_contention_begin+0x117
0xffffffffc03b5c47 bpf_prog_bf07ae9e2cbd02c5_contention_begin+0x117
0xffffffffbb8b8e75 bpf_trace_run2+0x35
0xffffffffbb7eab9b __bpf_trace_contention_begin+0xb
0xffffffffbb7ebe75 queued_spin_lock_slowpath+0x1f5
0xffffffffbc1c26ff _raw_spin_lock+0x1f
0xffffffffbb841015 tick_do_update_jiffies64+0x25
0xffffffffbb8409ee tick_irq_enter+0x9e
- Show full callstack in verbose mode (-v option), sometimes this is desirable
instead of showing just one callstack entry.
- Allow multiple time ranges in 'perf record --delay' to help in reducing the
amount of data collected from hardware tracing (Intel PT, etc) when there is
a rough idea of periods of time where events of interest take time.
- Add Intel PT to record only decoder debug messages when error happens.
- Improve layout of Intel PT man page.
- Add new branch types: alignment, data and inst faults and arch specific ones,
such as fiq, debug_halt, debug_exit, debug_inst and debug_data on arm64.
Kernel enablement went thru the tip tree.
- Fix 'perf probe' error log check in 'perf test' when no debuginfo is
available.
- Fix 'perf stat' aggregation mode logic, it should be looking at the CPU
not at the core number.
- Fix flags parsing in 'perf trace' filters.
- Introduce compact encoding of CPU range encoding on perf.data, to avoid
having a bitmap with all the CPUs.
- Improvements to the 'perf stat' metrics, including adding "core_wide", and
computing "smt" from the CPU topology.
- Add support to the new PERF_FORMAT_LOST perf_event_attr.read_format, that allows
tooling to ask for the precise number of lost samples for a given event.
- Add 'addr' sort key to see just the address of sampled instructions:
$ perf record -o- true | perf report -i- -s addr
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.000 MB - ]
# Samples: 12 of event 'cycles:u'
# Event count (approx.): 252512
#
# Overhead Address
# ........ ..................
42.96% 0x7f96f08443d7
29.55% 0x7f96f0859b50
14.76% 0x7f96f0852e02
8.30% 0x7f96f0855028
4.43% 0xffffffff8de01087
perf annotate: Toggle full address <-> offset display
- Add 'f' hotkey to the 'perf annotate' TUI interface when in 'disassembler output'
mode ('o' hotkey) to toggle showing full virtual address or just the offset.
- Cache DSO build-ids when synthesizing PERF_RECORD_MMAP records for pre-existing threads,
at the start of a 'perf record' session, speeding up that record startup phase.
- Add a command line option to specify build ids in 'perf inject'.
- Update JSON event files for the Intel alderlake, broadwell, broadwellde,
broadwellx, cascadelakex, haswell, haswellx, icelake, icelakex, ivybridge,
ivytown, jaketown, sandybridge, sapphirerapids, skylake, skylakex, and
tigerlake processors.
- Update vendor JSON event files for the ARM Neoverse V1 and E1 platforms.
- Add a 'perf test' entry for 'perf mem' where a struct has false sharing and
this gets detected in the 'perf mem' output, tested with Intel, AMD and ARM64
systems.
- Add a 'perf test' entry to test the resolution of java symbols, where an
output like this is expected:
8.18% jshell jitted-50116-29.so [.] Interpreter
0.75% Thread-1 jitted-83602-1670.so [.] jdk.internal.jimage.BasicImageReader.getString(int)
- Add tests for the ARM64 CoreSight hardware tracing feature, with specially
crafted pureloop, memcpy, thread loop and unroll tread that then gets
traced and the output compared with expected output.
Documentation explaining it is also included.
- Add per thread Intel PT 'perf test' entry to check that PERF_RECORD_TEXT_POKE events
are recorded per CPU, resulting in a mixture of per thread and per CPU events and mmaps,
verify that this gets all recorded correctly.
- Introduce pthread mutex wrappers to allow for building with clang's
-Wthread-safety, i.e. using the "guarded_by" "pt_guarded_by" "lockable",
"exclusive_lock_function", "exclusive_trylock_function",
"exclusive_locks_required", and "no_thread_safety_analysis" compiler function
attributes.
- Fix empty version number when building outside of a git repo.
- Improve feature detection display when multiple versions of a feature are present, such
as for binutils libbfd, that has a mix of possible ways to detect according to the
Linux distribution.
Previously in some cases we had:
Auto-detecting system features
<SNIP>
... libbfd: [ on ]
... libbfd-liberty: [ on ]
... libbfd-liberty-z: [ on ]
<SNIP>
Now for this case we show just the main feature:
Auto-detecting system features
<SNIP>
... libbfd: [ on ]
<SNIP>
- Remove some unused structs, variables, macros, function prototypes and
includes from various places.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v6.1-1-2022-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools updates from Arnaldo Carvalho de Melo:
- Add support for AMD on 'perf mem' and 'perf c2c', the kernel
enablement patches went via tip.
Example:
$ sudo perf mem record -- -c 10000
^C[ perf record: Woken up 227 times to write data ]
[ perf record: Captured and wrote 58.760 MB perf.data (836978 samples) ]
$ sudo perf mem report -F mem,sample,snoop
Samples: 836K of event 'ibs_op//', Event count (approx.): 8418762
Memory access Samples Snoop
N/A 700620 N/A
L1 hit 126675 N/A
L2 hit 424 N/A
L3 hit 664 HitM
L3 hit 10 N/A
Local RAM hit 2 N/A
Remote RAM (1 hop) hit 8558 N/A
Remote Cache (1 hop) hit 3 N/A
Remote Cache (1 hop) hit 2 HitM
Remote Cache (2 hops) hit 10 HitM
Remote Cache (2 hops) hit 6 N/A
Uncached hit 4 N/A
$
- "perf lock" improvements:
- Add -E/--entries option to limit the number of entries to
display, say to ask for just the top 5 contended locks.
- Add -q/--quiet option to suppress header and debug messages.
- Add a 'perf test' kernel lock contention entry to test 'perf
lock'.
- "perf lock contention" improvements:
- Ask BPF's bpf_get_stackid() to skip some callchain entries.
The ones closer to the tooling are bpf related and not that
interesting, the ones calling the locking function are the ones
we're interested in, example of a full, unskipped callstack:
- Allow changing the callstack depth and number of entries to skip.
1 10.74 us 10.74 us 10.74 us spinlock __bpf_trace_contention_begin+0xb
0xffffffffc03b5c47 bpf_prog_bf07ae9e2cbd02c5_contention_begin+0x117
0xffffffffc03b5c47 bpf_prog_bf07ae9e2cbd02c5_contention_begin+0x117
0xffffffffbb8b8e75 bpf_trace_run2+0x35
0xffffffffbb7eab9b __bpf_trace_contention_begin+0xb
0xffffffffbb7ebe75 queued_spin_lock_slowpath+0x1f5
0xffffffffbc1c26ff _raw_spin_lock+0x1f
0xffffffffbb841015 tick_do_update_jiffies64+0x25
0xffffffffbb8409ee tick_irq_enter+0x9e
- Show full callstack in verbose mode (-v option), sometimes this
is desirable instead of showing just one callstack entry.
- Allow multiple time ranges in 'perf record --delay' to help in
reducing the amount of data collected from hardware tracing (Intel
PT, etc) when there is a rough idea of periods of time where events
of interest take time.
- Add Intel PT to record only decoder debug messages when error
happens.
- Improve layout of Intel PT man page.
- Add new branch types: alignment, data and inst faults and arch
specific ones, such as fiq, debug_halt, debug_exit, debug_inst and
debug_data on arm64.
Kernel enablement went thru the tip tree.
- Fix 'perf probe' error log check in 'perf test' when no debuginfo is
available.
- Fix 'perf stat' aggregation mode logic, it should be looking at the
CPU not at the core number.
- Fix flags parsing in 'perf trace' filters.
- Introduce compact encoding of CPU range encoding on perf.data, to
avoid having a bitmap with all the CPUs.
- Improvements to the 'perf stat' metrics, including adding
"core_wide", and computing "smt" from the CPU topology.
- Add support to the new PERF_FORMAT_LOST perf_event_attr.read_format,
that allows tooling to ask for the precise number of lost samples for
a given event.
- Add 'addr' sort key to see just the address of sampled instructions:
$ perf record -o- true | perf report -i- -s addr
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.000 MB - ]
# Samples: 12 of event 'cycles:u'
# Event count (approx.): 252512
#
# Overhead Address
# ........ ..................
42.96% 0x7f96f08443d7
29.55% 0x7f96f0859b50
14.76% 0x7f96f0852e02
8.30% 0x7f96f0855028
4.43% 0xffffffff8de01087
perf annotate: Toggle full address <-> offset display
- Add 'f' hotkey to the 'perf annotate' TUI interface when in
'disassembler output' mode ('o' hotkey) to toggle showing full
virtual address or just the offset.
- Cache DSO build-ids when synthesizing PERF_RECORD_MMAP records for
pre-existing threads, at the start of a 'perf record' session,
speeding up that record startup phase.
- Add a command line option to specify build ids in 'perf inject'.
- Update JSON event files for the Intel alderlake, broadwell,
broadwellde, broadwellx, cascadelakex, haswell, haswellx, icelake,
icelakex, ivybridge, ivytown, jaketown, sandybridge, sapphirerapids,
skylake, skylakex, and tigerlake processors.
- Update vendor JSON event files for the ARM Neoverse V1 and E1
platforms.
- Add a 'perf test' entry for 'perf mem' where a struct has false
sharing and this gets detected in the 'perf mem' output, tested with
Intel, AMD and ARM64 systems.
- Add a 'perf test' entry to test the resolution of java symbols, where
an output like this is expected:
8.18% jshell jitted-50116-29.so [.] Interpreter
0.75% Thread-1 jitted-83602-1670.so [.] jdk.internal.jimage.BasicImageReader.getString(int)
- Add tests for the ARM64 CoreSight hardware tracing feature, with
specially crafted pureloop, memcpy, thread loop and unroll tread that
then gets traced and the output compared with expected output.
Documentation explaining it is also included.
- Add per thread Intel PT 'perf test' entry to check that
PERF_RECORD_TEXT_POKE events are recorded per CPU, resulting in a
mixture of per thread and per CPU events and mmaps, verify that this
gets all recorded correctly.
- Introduce pthread mutex wrappers to allow for building with clang's
-Wthread-safety, i.e. using the "guarded_by" "pt_guarded_by"
"lockable", "exclusive_lock_function", "exclusive_trylock_function",
"exclusive_locks_required", and "no_thread_safety_analysis" compiler
function attributes.
- Fix empty version number when building outside of a git repo.
- Improve feature detection display when multiple versions of a feature
are present, such as for binutils libbfd, that has a mix of possible
ways to detect according to the Linux distribution.
Previously in some cases we had:
Auto-detecting system features
<SNIP>
... libbfd: [ on ]
... libbfd-liberty: [ on ]
... libbfd-liberty-z: [ on ]
<SNIP>
Now for this case we show just the main feature:
Auto-detecting system features
<SNIP>
... libbfd: [ on ]
<SNIP>
- Remove some unused structs, variables, macros, function prototypes
and includes from various places.
* tag 'perf-tools-for-v6.1-1-2022-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (169 commits)
perf script: Add missing fields in usage hint
perf mem: Print "LFB/MAB" for PERF_MEM_LVLNUM_LFB
perf mem/c2c: Avoid printing empty lines for unsupported events
perf mem/c2c: Add load store event mappings for AMD
perf mem/c2c: Set PERF_SAMPLE_WEIGHT for LOAD_STORE events
perf mem: Add support for printing PERF_MEM_LVLNUM_{CXL|IO}
perf amd ibs: Sync arch/x86/include/asm/amd-ibs.h header with the kernel
tools headers UAPI: Sync include/uapi/linux/perf_event.h header with the kernel
perf stat: Fix cpu check to use id.cpu.cpu in aggr_printout()
perf test coresight: Add relevant documentation about ARM64 CoreSight testing
perf test: Add git ignore for tmp and output files of ARM CoreSight tests
perf test coresight: Add unroll thread test shell script
perf test coresight: Add unroll thread test tool
perf test coresight: Add thread loop test shell scripts
perf test coresight: Add thread loop test tool
perf test coresight: Add memcpy thread test shell script
perf test coresight: Add memcpy thread test tool
perf test: Add git ignore for perf data generated by the ARM CoreSight tests
perf test: Add arm64 asm pureloop test shell script
perf test: Add asm pureloop test tool
...
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Merge tag 'pci-v6.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Resource management:
- Distribute spare resources to unconfigured hotplug bridges at
boot-time (not just when hot-adding such a bridge), which makes
hot-adding devices to docks work better.
- Revert to a BAR assignment inherited from firmware only when the
address is actually reachable via any upstream bridges, which fixes
some cases where firmware doesn't configure all devices.
- Add a sysfs interface to resize BARs so this can be done before
assigning devices to a VM through VFIO.
Power management:
- Disable Precision Time Management for all devices on suspend to
enable lower-power PM state. We previously did this just for Root
Ports, which isn't enough because downstream devices can still
generate PTM messages, which cause errors if it's disabled in the
Root Port.
- Save and restore the ASPM L1 PM Substates configuration for
suspend/ resume. Previously this configuration was lost, so L1.x
states likely stopped working after resume.
- Check whether the L1 PM Substates Capability exists. If it didn't
exist, we previously read junk and tried to configure L1 Substates
based on that.
- Fix the LTR_L1.2_THRESHOLD computation, which previously set a
threshold for entering L1.2 that was too low in some cases.
- Reduce the delay after transitions to or from D3cold by using
usleep_range() rather than msleep(), which often slept for ~19ms
instead of the 10ms normally required. The spec says 10ms is
enough, but it's possible we could trip over devices that need a
little more.
Error handling:
- Work around a BIOS bug that caused Intel Root Ports to advertise a
Root Port Programmed I/O (RP PIO) log size of zero, which caused
annoying warnings and prevented the kernel from dumping log
registers for DPC errors.
Qualcomm PCIe controller driver:
- Add support for SC8280XP and SA8540P host controllers and SM8450
endpoint controller.
- Disable Master AXI clock on endpoint controllers to save power when
link is idle or in L1.x.
- Expose link state transition counts via debugfs to help debug
issues with low-power states.
- Add auto-loading module support.
Synopsys DesignWare PCIe controller driver:
- Remove a dependency on ZONE_DMA32 by allocating the MSI target page
differently. There's more work to do related to eDMA controllers,
so it's not completely settled"
* tag 'pci-v6.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (71 commits)
PCI: qcom-ep: Check platform_get_resource_byname() return value
PCI: qcom-ep: Add support for SM8450 SoC
dt-bindings: PCI: qcom-ep: Add support for SM8450 SoC
dt-bindings: PCI: qcom-ep: Define clocks per platform
PCI: qcom-ep: Make PERST separation optional
dt-bindings: PCI: qcom-ep: Make PERST separation optional
PCI: qcom-ep: Disable Master AXI Clock when there is no PCIe traffic
PCI: Expose PCIe Resizable BAR support via sysfs
PCI/ASPM: Correct LTR_L1.2_THRESHOLD computation
PCI/ASPM: Ignore L1 PM Substates if device lacks capability
PCI/ASPM: Factor out L1 PM Substates configuration
PCI: qcom-ep: Gate Master AXI clock to MHI bus during L1SS
PCI: qcom-ep: Expose link transition counts via debugfs
PCI: qcom-ep: Disable IRQs during driver remove
PCI/ASPM: Save L1 PM Substates Capability for suspend/resume
PCI/ASPM: Refactor L1 PM Substates Control Register programming
PCI: qcom-ep: Make use of the cached dev pointer
PCI: qcom-ep: Rely on the clocks supplied by devicetree
PCI: qcom-ep: Add kernel-doc for qcom_pcie_ep structure
phy: freescale: imx8m-pcie: Fix the wrong order of phy_init() and phy_power_on()
...
- add a new SoC to the qcom-cci driver
- fix an issue with the designware driver which now got enough testing
- the aspeed driver handles now busy target backends better
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Merge tag 'i2c-for-6.1-rc1-batch2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
- correct a variable type in the new pci1xxxx driver
- add a new SoC to the qcom-cci driver
- fix an issue with the designware driver which now got enough testing
- the aspeed driver now handles busy target backends better
* tag 'i2c-for-6.1-rc1-batch2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: aspeed: Assert NAK when slave is busy
i2c: designware: Fix handling of real but unexpected device interrupts
i2c: qcom-cci: Add MSM8226 compatible
dt-bindings: i2c: qcom,i2c-cci: Document clocks for MSM8974
dt-bindings: i2c: qcom,i2c-cci: Document MSM8226 compatible
i2c: microchip: pci1xxxx: Fix comparison of -EPERM against an unsigned variable
New drivers:
- Cypress CY8C95x0 chip pin control support, along with an immediate
cleanup.
- Mediatek MT8188 SoC pin control support.
- Qualcomm SM8450 and SC8280XP LPASS (low power audio subsystem)
pin control support.
- Qualcomm PM7250, PM8450
- Rockchip RV1126 SoC pin control support.
Improvements:
- Fix some missing pins in the Armada 37xx driver.
- Convert Broadcom and Nomadik drivers to use PINCTRL_PINGROUP() macro.
- Fix some GPIO irq_chips to be immutable.
- Massive Qualcomm device tree binding cleanup, with more to come.
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Merge tag 'pinctrl-v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"There is nothing exciting going on, no core changes, just a few
drivers and cleanups.
New drivers:
- Cypress CY8C95x0 chip pin control support, along with an immediate
cleanup
- Mediatek MT8188 SoC pin control support
- Qualcomm SM8450 and SC8280XP LPASS (low power audio subsystem) pin
control support
- Qualcomm PM7250, PM8450
- Rockchip RV1126 SoC pin control support
Improvements:
- Fix some missing pins in the Armada 37xx driver
- Convert Broadcom and Nomadik drivers to use PINCTRL_PINGROUP()
macro
- Fix some GPIO irq_chips to be immutable
- Massive Qualcomm device tree binding cleanup, with more to come"
* tag 'pinctrl-v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (119 commits)
MAINTAINERS: adjust STARFIVE JH7100 PINCTRL DRIVER after file movement
pinctrl: starfive: Rename "pinctrl-starfive" to "pinctrl-starfive-jh7100"
pinctrl: Create subdirectory for StarFive drivers
dt-bindings: pinctrl: st,stm32: Document interrupt-controller property
dt-bindings: pinctrl: st,stm32: Document gpio-hog pattern property
dt-bindings: pinctrl: st,stm32: Document gpio-line-names
pinctrl: st: stop abusing of_get_named_gpio()
pinctrl: wpcm450: Correct the fwnode_irq_get() return value check
pinctrl: bcm: Remove unused struct bcm6328_pingroup
pinctrl: qcom: restrict drivers per ARM/ARM64
pinctrl: bcm: ns: Remove redundant dev_err call
gpio: rockchip: request GPIO mux to pinctrl when setting direction
pinctrl: rockchip: add pinmux_ops.gpio_set_direction callback
pinctrl: cy8c95x0: Align function names in cy8c95x0_pmxops
pinctrl: cy8c95x0: Drop atomicity on operations on push_pull
pinctrl: cy8c95x0: Lock register accesses in cy8c95x0_set_mux()
pinctrl: sunxi: sun50i-h5: Switch to use dev_err_probe() helper
pinctrl: stm32: Switch to use dev_err_probe() helper
dt-bindings: qcom-pmic-gpio: Add PM7250B and PM8450 bindings
pinctrl: qcom: spmi-gpio: Add compatible for PM7250B
...
- a new driver for IBM Operational Panel
- a new driver for PinePhone keyboards
- RT5120 PMIC power key support
- various enhancements and support for new models in xpad (Xbox) driver
- a new compatible ID for Elan touchscreen driver
- rework of adp5588-keys driver to support configuring via device
properties (OF, ACPI, etc) instead of platform data, and proper support
of optional gpiochip functionality (and removal of gpio-adp5588 driver)
- improvements to firmware update handling in Synaptics RMI4 driver
- support for double key matrix in mt6779-keypad
- support for polled mode in adc-joystick driver
- other assorted driver fixes, cleanups and improvements.
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Merge tag 'input-for-v6.1-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for IBM Operational Panel
- a new driver for PinePhone keyboards
- RT5120 PMIC power key support
- various enhancements and support for new models in xpad (Xbox) driver
- a new compatible ID for Elan touchscreen driver
- rework of adp5588-keys driver to support configuring via device
properties (OF, ACPI, etc) instead of platform data, and proper
support of optional gpiochip functionality (and removal of
gpio-adp5588 driver)
- improvements to firmware update handling in Synaptics RMI4 driver
- support for double key matrix in mt6779-keypad
- support for polled mode in adc-joystick driver
- other assorted driver fixes, cleanups and improvements
* tag 'input-for-v6.1-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (90 commits)
Input: i8042 - fix refount leak on sparc
Input: i8042 - add LoongArch support in i8042-acpipnpio.h
Input: i8042 - rename i8042-x86ia64io.h to i8042-acpipnpio.h
Input: pinephone-keyboard - support the proxied I2C bus
Input: pinephone-keyboard - add PinePhone keyboard driver
dt-bindings: input: Add the PinePhone keyboard binding
dt-bindings: input: Convert hid-over-i2c to DT schema
input: drop empty comment blocks
Input: xpad - add X-Box Adaptive Profile button
Input: add ABS_PROFILE to uapi and documentation
Input: xpad - add X-Box Adaptive XBox button
Input: xpad - add X-Box Adaptive support
Input: ims-pcu - fix spelling mistake "BOOLTLOADER" -> "BOOTLOADER"
Input: ibm-panel - add missing MODULE_DEVICE_TABLE
Input: icn8505 - utilize acpi_get_subsystem_id()
Input: xpad - decipher xpadone packages with GIP defines
Input: xpad - refactor using BIT() macro
Input: synaptics-rmi4 - convert to use sysfs_emit() APIs
Input: twl4030-pwrbutton - add missing of.h include
Input: applespi - replace zero-length array with DECLARE_FLEX_ARRAY() helper
...
- fixes an use-after-free in smscufx USB graphics driver,
- adds missing pci_disable_device() in tridentfb failure paths,
- correctly handle irq detection failure in mb862xx driver,
- fixes resume code in omapfb/dss,
- drops unused code in controlfb, tridentfb, arkfb, imxfb and udlfb,
- converts uvesafb to use scnprintf() instead of snprintf(),
- converts gbefb to use dev_groups,
- adds MODULE_DEVICE_TABLE() entry to vga16fb
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Merge tag 'fbdev-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
"Here's a fix for the smscufx USB graphics card to prevent a kernel
crash if it's plugged in/out too fast.
The other patches are mostly small cleanups, fixes in failure paths
and code removal:
- fix an use-after-free in smscufx USB graphics driver
- add missing pci_disable_device() in tridentfb failure paths
- correctly handle irq detection failure in mb862xx driver
- fix resume code in omapfb/dss
- drop unused code in controlfb, tridentfb, arkfb, imxfb and udlfb
- convert uvesafb to use scnprintf() instead of snprintf()
- convert gbefb to use dev_groups
- add MODULE_DEVICE_TABLE() entry to vga16fb"
* tag 'fbdev-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: mb862xx: Fix check of return value from irq_of_parse_and_map()
fbdev: vga16fb: Add missing MODULE_DEVICE_TABLE() entry
fbdev: tridentfb: Fix missing pci_disable_device() in probe and remove
fbdev: smscufx: Fix use-after-free in ufx_ops_open()
fbdev: gbefb: Convert to use dev_groups
fbdev: imxfb: Remove redundant dev_err() call
fbdev: omapfb/dss: Use pm_runtime_resume_and_get() instead of pm_runtime_get_sync()
fbdev: uvesafb: Convert snprintf to scnprintf
fbdev: arkfb: Remove the unused function dac_read_reg()
fbdev: tridentfb: Remove the unused function shadowmode_off()
fbdev: controlfb: Remove the unused function VAR_MATCH()
fbdev: udlfb: Remove redundant initialization to variable identical
Pull dmi updates from Jean Delvare.
* 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
firmware: dmi: Fortify entry point length checks
This is mostly just doc, config, and little tweaks. Nothing big, which
is why there was nothing for 6.0. There is one crash fix, but it's not
something that I think anyone is using yet.
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Merge tag 'for-linus-6.1-1' of https://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
"Fix a bunch of little problems in IPMI
This is mostly just doc, config, and little tweaks. Nothing big, which
is why there was nothing for 6.0. There is one crash fix, but it's not
something that I think anyone is using yet"
* tag 'for-linus-6.1-1' of https://github.com/cminyard/linux-ipmi:
ipmi: Remove unused struct watcher_entry
ipmi: kcs: aspeed: Update port address comments
ipmi: Add __init/__exit annotations to module init/exit funcs
ipmi:ipmb: Don't call ipmi_unregister_smi() on a register failure
ipmi:ipmb: Fix a vague comment and a typo
dt-binding: ipmi: add fallback to npcm845 compatible
ipmi: Fix comment typo
char: ipmi: modify NPCM KCS configuration
dt-bindings: ipmi: Add npcm845 compatible
The merge of the kbuild tree dropped the renaming of the FSL_BOOKE
kconfig option.
Fixes: 8afc66e8d4 ("Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild")
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'linux-can-fixes-for-6.1-20221011' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2022-10-11
this is a pull request of 4 patches for net/main.
Anssi Hannula and Jimmy Assarsson contribute 4 patches for the
kvaser_usb driver. A check for actual received length of USB transfers
is added, the use of an uninitialized completion is fixed, the TX
queue is re-synced after restart, and the CAN state is fixed after
restart.
* tag 'linux-can-fixes-for-6.1-20221011' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: kvaser_usb_leaf: Fix CAN state after restart
can: kvaser_usb_leaf: Fix TX queue out of sync after restart
can: kvaser_usb: Fix use of uninitialized completion
can: kvaser_usb_leaf: Fix overread with an invalid command
====================
Link: https://lore.kernel.org/r/20221011074815.397301-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Instead of always doing the safe variants for reading and writing MSRs
in Xen PV guests, make the behavior controllable via Kconfig option
and a boot parameter.
The default will be the current behavior, which is to always use the
safe variant.
Signed-off-by: Juergen Gross <jgross@suse.com>
Refactor and rename xen_read_msr_safe() and xen_write_msr_safe() to
support both cases of MSR accesses, safe ones and potentially GP-fault
generating ones.
This will prepare to no longer swallow GPs silently in xen_read_msr()
and xen_write_msr().
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
The CPU vendor checks for pmu emulation are rather limited today, as
the assumption seems to be that only Intel and AMD are existing and/or
supported vendors.
Fix that by handling Centaur and Zhaoxin CPUs the same way as Intel,
and Hygon the same way as AMD.
While at it fix the return type of is_intel_pmu_msr().
Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Today pmu_msr_read() and pmu_msr_write() fall back to the safe variants
of read/write MSR in case the MSR access isn't emulated via Xen. Allow
the caller to select that faults should not be recovered from by passing
NULL for the error pointer.
Restructure the code to make it more readable.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Linaro reported stringop-overread warnings in ath11k (this is one of many):
drivers/net/wireless/ath/ath11k/mac.c:2238:29: error: 'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size 0 [-Werror=stringop-overread]
My further investigation showed that these warnings happen on GCC 11.3 but not
with GCC 12.2, and with only the kernel config Linaro provided:
https://builds.tuxbuild.com/2F4W7nZHNx3T88RB0gaCZ9hBX6c/config
I saw the same warnings both with arm64 and x86_64 builds and KASAN seems to be
the reason triggering these warnings with GCC 11. Nobody else has reported
this so this seems to be quite rare corner case. I don't know what specific
commit started emitting this warning so I can't provide a Fixes tag. The
function hasn't been touched for a year.
I decided to workaround this by converting the pointer to a new array in stack,
and then copying the data to the new array. It's only 16 bytes anyway and this
is executed during association, so not in a hotpath.
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.9
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Link: https://lore.kernel.org/all/CA+G9fYsZ_qypa=jHY_dJ=tqX4515+qrV9n2SWXVDHve826nF7Q@mail.gmail.com/
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221010160638.20152-1-kvalo@kernel.org
BUGs like this are still reproducible:
[ 31.509616] list_add corruption. prev->next should be next (ffff8f8644242300), but was ffff8f86493fd300. (prev=ffff8f86493fd300).
[ 31.521544] ------------[ cut here ]------------
[ 31.526248] kernel BUG at lib/list_debug.c:30!
[ 31.530781] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[ 31.535831] CPU: 1 PID: 626 Comm: wpa_supplicant Not tainted 6.0.0+ #7
[ 31.542450] Hardware name: Dell Inc. Inspiron 660s/0478VN , BIOS A07 08/24/2012
[ 31.550484] RIP: 0010:__list_add_valid.cold+0x3a/0x5b
[ 31.555537] Code: f2 4c 89 c1 48 89 fe 48 c7 c7 28 20 69 89 e8 4c e3 fd ff 0f 0b 48 89 d1 4c 89 c6 4c 89 ca 48 c7 c7 d0 1f 69 89 e8 35 e3 fd ff <0f> 0b 4c 89 c1 48 c7 c7 78 1f 69 89 e8 24 e3 fd ff 0f 0b 48 c7 c7
[ 31.574605] RSP: 0018:ffff9f6f00dc3748 EFLAGS: 00010286
[ 31.579990] RAX: 0000000000000075 RBX: ffff8f8644242080 RCX: 0000000000000000
[ 31.587155] RDX: 0000000000000201 RSI: ffffffff8967862d RDI: 00000000ffffffff
[ 31.594482] RBP: ffff8f86493fd2e8 R08: 0000000000000000 R09: 00000000ffffdfff
[ 31.601735] R10: ffff9f6f00dc3608 R11: ffffffff89f46128 R12: ffff8f86493fd300
[ 31.608986] R13: ffff8f86493fd300 R14: ffff8f8644242300 R15: ffff8f8643dd3f2c
[ 31.616151] FS: 00007f3bb9a707c0(0000) GS:ffff8f865a300000(0000) knlGS:0000000000000000
[ 31.624447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 31.630286] CR2: 00007fe3647d5600 CR3: 00000001125a6002 CR4: 00000000000606e0
[ 31.637539] Call Trace:
[ 31.639936] <TASK>
[ 31.642143] iwl_mvm_mac_wake_tx_queue+0x71/0x90 [iwlmvm]
[ 31.647569] ieee80211_queue_skb+0x4b6/0x720 [mac80211]
...
So, it is necessary to extend the applied solution with commit 14a3aacf51
("iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue")
to all other cases where the station queues are invalidated and the related
lists are not emptied. Because, otherwise as before, if some new element is
added later to the list in iwl_mvm_mac_wake_tx_queue, it can match with the
old one and produce the same commented BUG.
That is, in order to avoid this problem completely, we must also remove the
related lists for the other cases when station queues are invalidated.
Fixes: cfbc6c4c5b ("iwlwifi: mvm: support mac80211 TXQs model")
Reported-by: Petr Stourac <pstourac@redhat.com>
Tested-by: Petr Stourac <pstourac@redhat.com>
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221010081611.145027-1-jtornosm@redhat.com
Checking the relevant rxd bits for the checksum information only indicates
if the checksum verification was performed by the hardware and doesn't show
actual checksum errors. Checksum errors are indicated in the info field of
the DMA descriptor. Fix packets erroneously marked as CHECKSUM_UNNECESSARY
by checking the extra bits as well.
Those bits are only passed to the driver for MMIO devices at the moment, so
limit checksum offload to those.
Fixes: 2122dfbfd0 ("mt76: mt7615: add rx checksum offload support")
Fixes: 94244d2ea5 ("mt76: mt7915: add rx checksum offload support")
Fixes: 0e75732764 ("mt76: mt7921: enable rx csum offload")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221005130824.23371-2-nbd@nbd.name
When 802.3 decap offload is enabled, the hardware indicates header translation
failure, whenever either the LLC-SNAP header was not found, or a VLAN header
with an unregcognized tag is present.
In that case, the hardware inserts a 2-byte length fields after the MAC
addresses. For VLAN packets, this tag needs to be removed. However,
for 802.3 LLC packets, the length bytes should be preserved, since there
is no separate ethertype field in the data.
This fixes an issue where the length field was omitted for LLC frames, causing
them to be malformed after hardware decap.
Fixes: 1eeff0b4c1 ("mt76: mt7915: fix decap offload corner case with 4-addr VLAN frames")
Reported-by: Chad Monroe <chad.monroe@smartrg.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221005130824.23371-1-nbd@nbd.name
can_restart() expects CMD_START_CHIP to set the error state to
ERROR_ACTIVE as it calls netif_carrier_on() immediately afterwards.
Otherwise the user may immediately trigger restart again and hit a
BUG_ON() in can_restart().
Fix kvaser_usb_leaf set_mode(CMD_START_CHIP) to set the expected state.
Cc: stable@vger.kernel.org
Fixes: 080f40a6fa ("can: kvaser_usb: Add support for Kvaser CAN/USB devices")
Tested-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://lore.kernel.org/all/20221010150829.199676-5-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
The TX queue seems to be implicitly flushed by the hardware during
bus-off or bus-off recovery, but the driver does not reset the TX
bookkeeping.
Despite not resetting TX bookkeeping the driver still re-enables TX
queue unconditionally, leading to "cannot find free context" /
NETDEV_TX_BUSY errors if the TX queue was full at bus-off time.
Fix that by resetting TX bookkeeping on CAN restart.
Tested with 0bfd:0124 Kvaser Mini PCI Express 2xHS FW 4.18.778.
Cc: stable@vger.kernel.org
Fixes: 080f40a6fa ("can: kvaser_usb: Add support for Kvaser CAN/USB devices")
Tested-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://lore.kernel.org/all/20221010150829.199676-4-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
flush_comp is initialized when CMD_FLUSH_QUEUE is sent to the device and
completed when the device sends CMD_FLUSH_QUEUE_RESP.
This causes completion of uninitialized completion if the device sends
CMD_FLUSH_QUEUE_RESP before CMD_FLUSH_QUEUE is ever sent (e.g. as a
response to a flush by a previously bound driver, or a misbehaving
device).
Fix that by initializing flush_comp in kvaser_usb_init_one() like the
other completions.
This issue is only triggerable after RX URBs have been set up, i.e. the
interface has been opened at least once.
Cc: stable@vger.kernel.org
Fixes: aec5fb2268 ("can: kvaser_usb: Add support for Kvaser USB hydra family")
Tested-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://lore.kernel.org/all/20221010150829.199676-3-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
For command events read from the device,
kvaser_usb_leaf_read_bulk_callback() verifies that cmd->len does not
exceed the size of the received data, but the actual kvaser_cmd handlers
will happily read any kvaser_cmd fields without checking for cmd->len.
This can cause an overread if the last cmd in the buffer is shorter than
expected for the command type (with cmd->len showing the actual short
size).
Maximum overread seems to be 22 bytes (CMD_LEAF_LOG_MESSAGE), some of
which are delivered to userspace as-is.
Fix that by verifying the length of command before handling it.
This issue can only occur after RX URBs have been set up, i.e. the
interface has been opened at least once.
Cc: stable@vger.kernel.org
Fixes: 080f40a6fa ("can: kvaser_usb: Add support for Kvaser CAN/USB devices")
Tested-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://lore.kernel.org/all/20221010150829.199676-2-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This update contains:
- fixes for filesystem shutdown procedure during a DAX memory
failure notification
- bug fixes
- logic cleanups
- log message cleanups
- updates to use vfs{g,u}id_t helpers where appropriate
Signed-off-by: Dave Chinner <david@fromorbit.com>
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Merge tag 'xfs-6.1-for-linus' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Dave Chinner:
"There are relatively few updates this cycle; half the cycle was eaten
by a grue, the other half was eaten by a tricky data corruption issue
that I still haven't entirely solved.
Hence there's no major changes in this cycle and it's largely just
minor cleanups and small bug fixes:
- fixes for filesystem shutdown procedure during a DAX memory failure
notification
- bug fixes
- logic cleanups
- log message cleanups
- updates to use vfs{g,u}id_t helpers where appropriate"
* tag 'xfs-6.1-for-linus' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: on memory failure, only shut down fs after scanning all mappings
xfs: rearrange the logic and remove the broken comment for xfs_dir2_isxx
xfs: trim the mapp array accordingly in xfs_da_grow_inode_int
xfs: do not need to check return value of xlog_kvmalloc()
xfs: port to vfs{g,u}id_t and associated helpers
xfs: remove xfs_setattr_time() declaration
xfs: Remove the unneeded result variable
xfs: missing space in xfs trace log
xfs: simplify if-else condition in xfs_reflink_trim_around_shared
xfs: simplify if-else condition in xfs_validate_new_dalign
xfs: replace unnecessary seq_printf with seq_puts
xfs: clean up "%Ld/%Lu" which doesn't meet C standard
xfs: remove redundant else for clean code
xfs: remove the redundant word in comment
This round looks fairly small comparing to the previous updates which includes
mostly minor bug fixes. Nevertheless, as we've still interested in improving
the stability, Chao added some debugging methods to diagnoze subtle runtime
inconsistency problem.
Enhancement
- store all the corruption or failure reasons in superblock
- detect meta inode, summary info, and block address inconsistency
- increase the limit for reserve_root for low-end devices
- add the number of compressed IO in iostat
Bug fix
- DIO write fix for zoned devices
- do out-of-place writes for cold files
- fix some stat updates (FS_CP_DATA_IO, dirty page count)
- fix race condition on setting FI_NO_EXTENT flag
- fix data races when freezing super
- fix wrong continue condition check in GC
- do not allow ATGC for LFS mode
In addition, there're some code enhancement and clean-ups as usual.
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Merge tag 'f2fs-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"This round looks fairly small comparing to the previous updates and
includes mostly minor bug fixes. Nevertheless, as we've still
interested in improving the stability, Chao added some debugging
methods to diagnoze subtle runtime inconsistency problem.
Enhancements:
- store all the corruption or failure reasons in superblock
- detect meta inode, summary info, and block address inconsistency
- increase the limit for reserve_root for low-end devices
- add the number of compressed IO in iostat
Bug fixes:
- DIO write fix for zoned devices
- do out-of-place writes for cold files
- fix some stat updates (FS_CP_DATA_IO, dirty page count)
- fix race condition on setting FI_NO_EXTENT flag
- fix data races when freezing super
- fix wrong continue condition check in GC
- do not allow ATGC for LFS mode
In addition, there're some code enhancement and clean-ups as usual"
* tag 'f2fs-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (32 commits)
f2fs: change to use atomic_t type form sbi.atomic_files
f2fs: account swapfile inodes
f2fs: allow direct read for zoned device
f2fs: support recording errors into superblock
f2fs: support recording stop_checkpoint reason into super_block
f2fs: remove the unnecessary check in f2fs_xattr_fiemap
f2fs: introduce cp_status sysfs entry
f2fs: fix to detect corrupted meta ino
f2fs: fix to account FS_CP_DATA_IO correctly
f2fs: code clean and fix a type error
f2fs: add "c_len" into trace_f2fs_update_extent_tree_range for compressed file
f2fs: fix to do sanity check on summary info
f2fs: port to vfs{g,u}id_t and associated helpers
f2fs: fix to do sanity check on destination blkaddr during recovery
f2fs: let FI_OPU_WRITE override FADVISE_COLD_BIT
f2fs: fix race condition on setting FI_NO_EXTENT flag
f2fs: remove redundant check in f2fs_sanity_check_cluster
f2fs: add static init_idisk_time function to reduce the code
f2fs: fix typo
f2fs: fix wrong dirty page count when race between mmap and fallocate.
...
The highlight of this PR is Christian's patch to allocate smaller buffers
for most metadata requests: 9p with a big msize would try to allocate large
buffers when just 4 or 8k would be more than enough; this brings in nice
performance improvements.
There's also a few fixes for problems reported by syzkaller (thanks to
Schspa Shi, Tetsuo Handa for tests and feedback/patches) as well as some
minor cleanup
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Merge tag '9p-for-6.1' of https://github.com/martinetd/linux
Pull 9p updates from Dominique Martinet:
"Smaller buffers for small messages and fixes.
The highlight of this is Christian's patch to allocate smaller buffers
for most metadata requests: 9p with a big msize would try to allocate
large buffers when just 4 or 8k would be more than enough; this brings
in nice performance improvements.
There's also a few fixes for problems reported by syzkaller (thanks to
Schspa Shi, Tetsuo Handa for tests and feedback/patches) as well as
some minor cleanup"
* tag '9p-for-6.1' of https://github.com/martinetd/linux:
net/9p: clarify trans_fd parse_opt failure handling
net/9p: add __init/__exit annotations to module init/exit funcs
net/9p: use a dedicated spinlock for trans_fd
9p/trans_fd: always use O_NONBLOCK read/write
net/9p: allocate appropriate reduced message buffers
net/9p: add 'pooled_rbuffers' flag to struct p9_trans_module
net/9p: add p9_msg_buf_size()
9p: add P9_ERRMAX for 9p2000 and 9p2000.u
net/9p: split message size argument into 't_size' and 'r_size' pair
9p: trans_fd/p9_conn_cancel: drop client lock earlier
- Improve the way how the state of glocks is reported in debugfs
for glocks which are not held by processes, but rather by other
resouces like cached inodes or flocks.
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Merge tag 'gfs2-nopid-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 debugfs updates from Andreas Gruenbacher:
- Improve the way how the state of glocks is reported in debugfs for
glocks which are not held by processes, but rather by other resouces
like cached inodes or flocks.
* tag 'gfs2-nopid-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Mark the remaining process-independent glock holders as GL_NOPID
gfs2: Mark flock glock holders as GL_NOPID
gfs2: Add GL_NOPID flag for process-independent glock holders
gfs2: Add flocks to glockfd debugfs file
gfs2: Add glockfd debugfs file
- Make sure to initialize the filesystem work queues before registering
the filesystem; this prevents them from being used uninitialized.
- On filesystem withdraw: prevent a a double iput() and immediately
reject pending locking requests that can no longer succeed.
- Use TRY lock in gfs2_inode_lookup() to prevent a rare glock hang
during evict.
- During filesystem mount, explicitly make sure that the sb_bsize and
sb_bsize_shift super block fields are consistent with each other.
This prevents messy error messages during fuzz testing.
- Switch from strlcpy to strscpy.
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Merge tag 'gfs2-v6.0-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Andreas Gruenbacher:
- Make sure to initialize the filesystem work queues before registering
the filesystem; this prevents them from being used uninitialized.
- On filesystem withdraw: prevent a a double iput() and immediately
reject pending locking requests that can no longer succeed.
- Use TRY lock in gfs2_inode_lookup() to prevent a rare glock hang
during evict.
- During filesystem mount, explicitly make sure that the sb_bsize and
sb_bsize_shift super block fields are consistent with each other.
This prevents messy error messages during fuzz testing.
- Switch from strlcpy to strscpy.
* tag 'gfs2-v6.0-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Register fs after creating workqueues
gfs2: Check sb_bsize_shift after reading superblock
gfs2: Switch from strlcpy to strscpy
gfs2: Clear flags when withdraw prevents xmote
gfs2: Dequeue waiters when withdrawn
gfs2: Prevent double iput for journal on error
gfs2: Use TRY lock in gfs2_inode_lookup for UNLINKED inodes
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Merge tag '6.1-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs updates from Steve French:
- data corruption fix when cache disabled
- four RDMA (smbdirect) improvements, including enabling support for
SoftiWARP
- four signing improvements
- three directory lease improvements
- four cleanup fixes
- minor security fix
- two debugging improvements
* tag '6.1-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6: (21 commits)
smb3: fix oops in calculating shash_setkey
cifs: secmech: use shash_desc directly, remove sdesc
smb3: rename encryption/decryption TFMs
cifs: replace kfree() with kfree_sensitive() for sensitive data
cifs: remove initialization value
cifs: Replace a couple of one-element arrays with flexible-array members
smb3: do not log confusing message when server returns no network interfaces
smb3: define missing create contexts
cifs: store a pointer to a fid in the cfid structure instead of the struct
cifs: improve handlecaching
cifs: Make tcon contain a wrapper structure cached_fids instead of cached_fid
smb3: add dynamic trace points for tree disconnect
Fix formatting of client smbdirect RDMA logging
Handle variable number of SGEs in client smbdirect send.
Reduce client smbdirect max receive segment size
Decrease the number of SMB3 smbdirect client SGEs
cifs: Fix the error length of VALIDATE_NEGOTIATE_INFO message
cifs: destage dirty pages before re-reading them for cache=none
cifs: return correct error in ->calc_signature()
MAINTAINERS: Add Tom Talpey as cifs.ko reviewer
...
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Merge tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs tmpfile updates from Al Viro:
"Miklos' ->tmpfile() signature change; pass an unopened struct file to
it, let it open the damn thing. Allows to add tmpfile support to FUSE"
* tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fuse: implement ->tmpfile()
vfs: open inside ->tmpfile()
vfs: move open right after ->tmpfile()
vfs: make vfs_tmpfile() static
ovl: use vfs_tmpfile_open() helper
cachefiles: use vfs_tmpfile_open() helper
cachefiles: only pass inode to *mark_inode_inuse() helpers
cachefiles: tmpfile error handling cleanup
hugetlbfs: cleanup mknod and tmpfile
vfs: add vfs_tmpfile_open() helper
Colin Ian King