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This patch cleans up the sysfs code. Specifically,
1. use sysfs_emit(),
2. use __ATTR_RW(), and
3. constify multi-gen LRU struct attribute_group.
Link: https://lkml.kernel.org/r/20230214035445.1250139-1-talumbau@google.com
Signed-off-by: T.J. Alumbaugh <talumbau@google.com>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Syzbot reports a warning in untrack_pfn(). Digging into the root we found
that this is due to memory allocation failure in pmd_alloc_one. And this
failure is produced due to failslab.
In copy_page_range(), memory alloaction for pmd failed. During the error
handling process in copy_page_range(), mmput() is called to remove all
vmas. While untrack_pfn this empty pfn, warning happens.
Here's a simplified flow:
dup_mm
dup_mmap
copy_page_range
copy_p4d_range
copy_pud_range
copy_pmd_range
pmd_alloc
__pmd_alloc
pmd_alloc_one
page = alloc_pages(gfp, 0);
if (!page)
return NULL;
mmput
exit_mmap
unmap_vmas
unmap_single_vma
untrack_pfn
follow_phys
WARN_ON_ONCE(1);
Since this vma is not generate successfully, we can clear flag VM_PAT. In
this case, untrack_pfn() will not be called while cleaning this vma.
Function untrack_pfn_moved() has also been renamed to fit the new logic.
Link: https://lkml.kernel.org/r/20230217025615.1595558-1-mawupeng1@huawei.com
Signed-off-by: Ma Wupeng <mawupeng1@huawei.com>
Reported-by: <syzbot+5f488e922d047d8f00cc@syzkaller.appspotmail.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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mwriteprotect_range() errors out if [start, end) doesn't fall in one VMA.
We are facing a use case where multiple VMAs are present in one range of
interest. For example, the following pseudocode reproduces the error
which we are trying to fix:
- Allocate memory of size 16 pages with PROT_NONE with mmap
- Register userfaultfd
- Change protection of the first half (1 to 8 pages) of memory to
PROT_READ | PROT_WRITE. This breaks the memory area in two VMAs.
- Now UFFDIO_WRITEPROTECT_MODE_WP on the whole memory of 16 pages errors
out.
This is a simple use case where user may or may not know if the memory
area has been divided into multiple VMAs.
We need an implementation which doesn't disrupt the already present users.
So keeping things simple, stop going over all the VMAs if any one of the
VMA hasn't been registered in WP mode. While at it, remove the un-needed
error check as well.
[akpm@linux-foundation.org: s/VM_WARN_ON_ONCE/VM_WARN_ONCE/ to fix build]
Link: https://lkml.kernel.org/r/20230217105558.832710-1-usama.anjum@collabora.com
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: Peter Xu <peterx@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reported-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Historically, we have performed sanity checks on all struct pages being
allocated or freed, making sure they have no unexpected page flags or
certain field values. This can detect insufficient cleanup and some cases
of use-after-free, although on its own it can't always identify the
culprit. The result is a warning and the "bad page" being leaked.
The checks do need some cpu cycles, so in 4.7 with commits 479f854a207c
("mm, page_alloc: defer debugging checks of pages allocated from the PCP")
and 4db7548ccbd9 ("mm, page_alloc: defer debugging checks of freed pages
until a PCP drain") they were no longer performed in the hot paths when
allocating and freeing from pcplists, but only when pcplists are bypassed,
refilled or drained. For debugging purposes, with CONFIG_DEBUG_VM enabled
the checks were instead still done in the hot paths and not when refilling
or draining pcplists.
With 4462b32c9285 ("mm, page_alloc: more extensive free page checking with
debug_pagealloc"), enabling debug_pagealloc also moved the sanity checks
back to hot pahs. When both debug_pagealloc and CONFIG_DEBUG_VM are
enabled, the checks are done both in hotpaths and pcplist refill/drain.
Even though the non-debug default today might seem to be a sensible
tradeoff between overhead and ability to detect bad pages, on closer look
it's arguably not. As most allocations go through the pcplists, catching
any bad pages when refilling or draining pcplists has only a small chance,
insufficient for debugging or serious hardening purposes. On the other
hand the cost of the checks is concentrated in the already expensive
drain/refill batching operations, and those are done under the often
contended zone lock. That was recently identified as an issue for page
allocation and the zone lock contention reduced by moving the checks
outside of the locked section with a patch "mm: reduce lock contention of
pcp buffer refill", but the cost of the checks is still visible compared
to their removal [1]. In the pcplist draining path free_pcppages_bulk()
the checks are still done under zone->lock.
Thus, remove the checks from pcplist refill and drain paths completely.
Introduce a static key check_pages_enabled to control checks during page
allocation a freeing (whether pcplist is used or bypassed). The static
key is enabled if either is true:
- kernel is built with CONFIG_DEBUG_VM=y (debugging)
- debug_pagealloc or page poisoning is boot-time enabled (debugging)
- init_on_alloc or init_on_free is boot-time enabled (hardening)
The resulting user visible changes:
- no checks when draining/refilling pcplists - less overhead, with
likely no practical reduction of ability to catch bad pages
- no checks when bypassing pcplists in default config (no
debugging/hardening) - less overhead etc. as above
- on typical hardened kernels [2], checks are now performed on each page
allocation/free (previously only when bypassing/draining/refilling
pcplists) - the init_on_alloc/init_on_free enabled should be sufficient
indication for preferring more costly alloc/free operations for
hardening purposes and we shouldn't need to introduce another toggle
- code (various wrappers) removal and simplification
[1] https://lore.kernel.org/all/68ba44d8-6899-c018-dcb3-36f3a96e6bea@sra.uni-hannover.de/
[2] https://lore.kernel.org/all/63ebc499.a70a0220.9ac51.29ea@mx.google.com/
[akpm@linux-foundation.org: coding-style cleanups]
[akpm@linux-foundation.org: make check_pages_enabled static]
Link: https://lkml.kernel.org/r/20230216095131.17336-1-vbabka@suse.cz
Reported-by: Alexander Halbuer <halbuer@sra.uni-hannover.de>
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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rmqueue_bulk() batches the allocation of multiple elements to refill the
per-CPU buffers into a single hold of the zone lock. Each element is
allocated and checked using check_pcp_refill(). The check touches every
related struct page which is especially expensive for higher order
allocations (huge pages).
This patch reduces the time holding the lock by moving the check out of
the critical section similar to rmqueue_buddy() which allocates a single
element.
Measurements of parallel allocation-heavy workloads show a reduction of
the average huge page allocation latency of 50 percent for two cores and
nearly 90 percent for 24 cores.
Link: https://lkml.kernel.org/r/20230201162549.68384-1-halbuer@sra.uni-hannover.de
Signed-off-by: Alexander Halbuer <halbuer@sra.uni-hannover.de>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.") the
driver core allows the usage of const struct kobj_type.
Take advantage of this to constify the structure definition to prevent
modification at runtime.
Link: https://lkml.kernel.org/r/20230220-kobj_type-mm-cma-v1-1-45996cff1a81@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Cc: Wedson Almeida Filho <wedsonaf@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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If memory charge failed, instead of returning the hpage but with an error,
allow the function to cleanup the folio properly, which is normally what a
function should do in this case - either return successfully, or return
with no side effect of partial runs with an indicated error.
This will also avoid the caller calling mem_cgroup_uncharge()
unnecessarily with either anon or shmem path (even if it's safe to do so).
Link: https://lkml.kernel.org/r/20230222195247.791227-1-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Stevens <stevensd@chromium.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Reviewed-by: Zach O'Keefe <zokeefe@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The check of IS_ENABLED(CONFIG_PROC_SYSCTL) is unnecessary since
register_sysctl_init() will be empty in this case. So, there is no
warnings after removing the check.
Link: https://lkml.kernel.org/r/20230223065947.64134-1-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Link: https://lkml.kernel.org/r/20230324130737.3360169-1-f.fainelli@gmail.com
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Kirill Tkhai <tkhai@ya.ru>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: Leonard Crestez <cdleonard@gmail.com>
Cc: Qais Yousef <qyousef@layalina.io>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Vasily Averin <vasily.averin@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The struct pages could be discontiguous when the kfence pool is allocated
via alloc_contig_pages() with CONFIG_SPARSEMEM and
!CONFIG_SPARSEMEM_VMEMMAP.
This may result in setting PG_slab and memcg_data to a arbitrary
address (may be not used as a struct page), which in the worst case
might corrupt the kernel.
So the iteration should use nth_page().
Link: https://lkml.kernel.org/r/20230323025003.94447-1-songmuchun@bytedance.com
Fixes: 0ce20dd84089 ("mm: add Kernel Electric-Fence infrastructure")
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: SeongJae Park <sjpark@amazon.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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It does not reset PG_slab and memcg_data when KFENCE fails to initialize
kfence pool at runtime. It is reporting a "Bad page state" message when
kfence pool is freed to buddy. The checking of whether it is a compound
head page seems unnecessary since we already guarantee this when
allocating kfence pool. Remove the check to simplify the code.
Link: https://lkml.kernel.org/r/20230320030059.20189-1-songmuchun@bytedance.com
Fixes: 0ce20dd84089 ("mm: add Kernel Electric-Fence infrastructure")
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: SeongJae Park <sjpark@amazon.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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In an dedupe comparison iter loop, the length of iomap_iter decreases
because it implies the remaining length after each iteration.
The dedupe command will fail with -EIO if the range is larger than one
page size and not aligned to the page size. Also report warning in dmesg:
[ 4338.498374] ------------[ cut here ]------------
[ 4338.498689] WARNING: CPU: 3 PID: 1415645 at fs/iomap/iter.c:16
...
The compare function should use the min length of the current iters,
not the total length.
Link: https://lkml.kernel.org/r/1679469958-2-1-git-send-email-ruansy.fnst@fujitsu.com
Fixes: 0e79e3736d54 ("fsdax: dedupe: iter two files at the same time")
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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unshare copies data from source to destination. But if the source is
HOLE or UNWRITTEN extents, we should zero the destination, otherwise
the HOLE or UNWRITTEN part will be user-visible old data of the new
allocated extent.
Found by running generic/649 while mounting with -o dax=always on pmem.
Link: https://lkml.kernel.org/r/1679483469-2-1-git-send-email-ruansy.fnst@fujitsu.com
Fixes: d984648e428b ("fsdax,xfs: port unshare to fsdax")
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Darrick J. Wong <djwong@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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We can see the following definition in kernel/locking/lockdep_internals.h:
#define STACK_TRACE_HASH_SIZE (1 << CONFIG_LOCKDEP_STACK_TRACE_HASH_BITS)
CONFIG_LOCKDEP_STACK_TRACE_HASH_BITS is related with STACK_TRACE_HASH_SIZE
instead of MAX_STACK_TRACE_ENTRIES, fix it.
Link: https://lkml.kernel.org/r/1679380508-20830-1-git-send-email-yangtiezhu@loongson.cn
Fixes: 5dc33592e955 ("lockdep: Allow tuning tracing capacity constants.")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The path for SCHED_DEBUG is /sys/kernel/debug/sched. So, SCHED_DEBUG
should depend on DEBUG_FS, not PROC_FS.
Link: https://lkml.kernel.org/r/202301291110098787982@zte.com.cn
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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My very first kernel commit:
e4e1d47c7906 ("ALSA: ppc: remove redundant checks in PS3 driver probe")
was sent with the umlaut in my last name transcribed (Göhrs -> Goehrs).
Add a mailmap entry so all my commits use the same name.
Link: https://lkml.kernel.org/r/20230321145525.1317230-1-l.goehrs@pengutronix.de
Signed-off-by: Leonard Göhrs <l.goehrs@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt driver fixes from Greg KH:
"Here are a small set of USB and Thunderbolt driver fixes for reported
problems and a documentation update, for 6.3-rc4.
Included in here are:
- documentation update for uvc gadget driver
- small thunderbolt driver fixes
- cdns3 driver fixes
- dwc3 driver fixes
- dwc2 driver fixes
- chipidea driver fixes
- typec driver fixes
- onboard_usb_hub device id updates
- quirk updates
All of these have been in linux-next with no reported problems"
* tag 'usb-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (30 commits)
usb: dwc2: fix a race, don't power off/on phy for dual-role mode
usb: dwc2: fix a devres leak in hw_enable upon suspend resume
usb: chipidea: core: fix possible concurrent when switch role
usb: chipdea: core: fix return -EINVAL if request role is the same with current role
thunderbolt: Rename shadowed variables bit to interrupt_bit and auto_clear_bit
thunderbolt: Disable interrupt auto clear for rings
thunderbolt: Use const qualifier for `ring_interrupt_index`
usb: gadget: Use correct endianness of the wLength field for WebUSB
uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS583Gen 2
usb: cdnsp: changes PCI Device ID to fix conflict with CNDS3 driver
usb: cdns3: Fix issue with using incorrect PCI device function
usb: cdnsp: Fixes issue with redundant Status Stage
MAINTAINERS: make me a reviewer of USB/IP
thunderbolt: Use scale field when allocating USB3 bandwidth
thunderbolt: Limit USB3 bandwidth of certain Intel USB4 host routers
thunderbolt: Call tb_check_quirks() after initializing adapters
thunderbolt: Add missing UNSET_INBOUND_SBTX for retimer access
thunderbolt: Fix memory leak in margining
usb: dwc2: drd: fix inconsistent mode if role-switch-default-mode="host"
docs: usb: Add documentation for the UVC Gadget
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
- Fix a corner case where vruntime of a task is not being sanitized
* tag 'sched_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Sanitize vruntime of entity being migrated
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Borislav Petkov:
- Properly clear perf event status tracking in the AMD perf event
overflow handler
* tag 'perf_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/amd/core: Always clear status for idx
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Borislav Petkov:
- Do the delayed RCU wakeup for kthreads in the proper order so that
former doesn't get ignored
- A noinstr warning fix
* tag 'core_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
entry/rcu: Check TIF_RESCHED _after_ delayed RCU wake-up
entry: Fix noinstr warning in __enter_from_user_mode()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add a AMX ptrace self test
- Prevent a false-positive warning when retrieving the (invalid)
address of dynamic FPU features in their init state which are not
saved in init_fpstate at all
- Randomize per-CPU entry areas only when KASLR is enabled
* tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/x86/amx: Add a ptrace test
x86/fpu/xstate: Prevent false-positive warning in __copy_xstate_uabi_buf()
x86/mm: Do not shuffle CPU entry areas without KASLR
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Pull cifs client fixes from Steve French:
"Twelve cifs/smb3 client fixes (most also for stable)
- forced umount fix
- fix for two perf regressions
- reconnect fixes
- small debugging improvements
- multichannel fixes"
* tag 'smb3-client-fixes-6.3-rc3' of git://git.samba.org/sfrench/cifs-2.6:
smb3: fix unusable share after force unmount failure
cifs: fix dentry lookups in directory handle cache
smb3: lower default deferred close timeout to address perf regression
cifs: fix missing unload_nls() in smb2_reconnect()
cifs: avoid race conditions with parallel reconnects
cifs: append path to open_enter trace event
cifs: print session id while listing open files
cifs: dump pending mids for all channels in DebugData
cifs: empty interface list when server doesn't support query interfaces
cifs: do not poll server interfaces too regularly
cifs: lock chan_lock outside match_session
cifs: check only tcon status on tcon related functions
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git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix a crash when using NFS with krb5p
* tag 'nfsd-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
SUNRPC: Fix a crash in gss_krb5_checksum()
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Pull yet more xfs bug fixes from Darrick Wong:
"The first bugfix addresses a longstanding problem where we use the
wrong file mapping cursors when trying to compute the speculative
preallocation quantity. This has been causing sporadic crashes when
alwayscow mode is engaged.
The other two fixes correct minor problems in more recent changes.
- Fix the new allocator tracepoints because git am mismerged the
changes such that the trace_XXX got rebased to be in function YYY
instead of XXX
- Ensure that the perag AGFL_RESET state is consistent with whatever
we've just read off the disk
- Fix a bug where we used the wrong iext cursor during a write begin"
* tag 'xfs-6.3-fixes-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix mismerged tracepoints
xfs: clear incore AGFL_RESET state if it's not needed
xfs: pass the correct cursor to xfs_iomap_prealloc_size
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Pull xfs percpu counter fixes from Darrick Wong:
"We discovered a filesystem summary counter corruption problem that was
traced to cpu hot-remove racing with the call to percpu_counter_sum
that sets the free block count in the superblock when writing it to
disk. The root cause is that percpu_counter_sum doesn't cull from
dying cpus and hence misses those counter values if the cpu shutdown
hooks have not yet run to merge the values.
I'm hoping this is a fairly painless fix to the problem, since the
dying cpu mask should generally be empty. It's been in for-next for a
week without any complaints from the bots.
- Fix a race in the percpu counters summation code where the
summation failed to add in the values for any CPUs that were dying
but not yet dead. This fixes some minor discrepancies and incorrect
assertions when running generic/650"
* tag 'xfs-6.3-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
pcpcntr: remove percpu_counter_sum_all()
fork: remove use of percpu_counter_sum_all
pcpcntrs: fix dying cpu summation race
cpumask: introduce for_each_cpu_or
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Pull xfs fixes from Darrick Wong:
"This batch started with some debugging enhancements to the new
allocator refactoring that we put in 6.3-rc1 to assist developers in
rebasing their dev branches.
As for more serious code changes -- there's a bug fix to make the
lockless allocator scan the whole filesystem before resorting to the
locking allocator. We're also adding a selftest for the venerable
directory/xattr hash function to make sure that it produces consistent
results so that we can address any fallout as soon as possible.
- Add a few debugging assertions so that people (me) trying to port
code to the new allocator functions don't mess up the caller
requirements
- Relax some overly cautious lock ordering enforcement in the new
allocator code, which means that file allocations will locklessly
scan for the best space they can get before backing off to the
traditional lock-and-really-get-it behavior
- Add tracepoints to make it easier to trace the xfs allocator
behavior
- Actually test the dir/xattr hash algorithm to make sure it produces
consistent results across all the platforms XFS supports"
* tag 'xfs-6.3-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: test dir/attr hash when loading module
xfs: add tracepoints for each of the externally visible allocators
xfs: walk all AGs if TRYLOCK passed to xfs_alloc_vextent_iterate_ags
xfs: try to idiot-proof the allocators
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- it87: Fix voltage scaling for chips with 10.9mV ADCs
- xgene: Fix ioremap and memremap leak
- peci/cputemp: Fix miscalculated DTS temperature for SKX
- hwmon core: fix potential sensor registration failure with thermal
subsystem if of_node is missing
* tag 'hwmon-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon (it87): Fix voltage scaling for chips with 10.9mV ADCs
hwmon: (xgene) Fix ioremap and memremap leak
hwmon: fix potential sensor registration fail if of_node is missing
hwmon: (peci/cputemp) Fix miscalculated DTS for SKX
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"21 hotfixes, 8 of which are cc:stable. 11 are for MM, the remainder
are for other subsystems"
* tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
mm: mmap: remove newline at the end of the trace
mailmap: add entries for Richard Leitner
kcsan: avoid passing -g for test
kfence: avoid passing -g for test
mm: kfence: fix using kfence_metadata without initialization in show_object()
lib: dhry: fix unstable smp_processor_id(_) usage
mailmap: add entry for Enric Balletbo i Serra
mailmap: map Sai Prakash Ranjan's old address to his current one
mailmap: map Rajendra Nayak's old address to his current one
Revert "kasan: drop skip_kasan_poison variable in free_pages_prepare"
mailmap: add entry for Tobias Klauser
kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
mm/ksm: fix race with VMA iteration and mm_struct teardown
kselftest: vm: fix unused variable warning
mm: fix error handling for map_deny_write_exec
mm: deduplicate error handling for map_deny_write_exec
checksyscalls: ignore fstat to silence build warning on LoongArch
nilfs2: fix kernel-infoleak in nilfs_ioctl_wrap_copy()
test_maple_tree: add more testing for mas_empty_area()
maple_tree: fix mas_skip_node() end slot detection
...
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Pull ksmbd server fixes from Steve French:
- return less confusing messages on unsupported dialects
(STATUS_NOT_SUPPORTED instead of I/O error)
- fix for overly frequent inactive session termination
- fix refcount leak
- fix bounds check problems found by static checkers
- fix to advertise named stream support correctly
- Fix AES256 signing bug when connected to from MacOS
* tag '6.3-rc3-ksmbd-smb3-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: return unsupported error on smb1 mount
ksmbd: return STATUS_NOT_SUPPORTED on unsupported smb2.0 dialect
ksmbd: don't terminate inactive sessions after a few seconds
ksmbd: fix possible refcount leak in smb2_open()
ksmbd: add low bound validation to FSCTL_QUERY_ALLOCATED_RANGES
ksmbd: add low bound validation to FSCTL_SET_ZERO_DATA
ksmbd: set FILE_NAMED_STREAMS attribute in FS_ATTRIBUTE_INFORMATION
ksmbd: fix wrong signingkey creation when encryption is AES256
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"As usual, most of the bug fixes address issues in the devicetree
files, and out of these, most are for the Qualcomm and NXP platforms,
including:
- A missing 'reserved-memory' property on LG G Watch R that is needed
to prevent clashing with firmware
- Annotations for cache coherency on multiple machines
- Corrections for pinctrl, regulator, clock, iommu and power domain
properties for i.MX and Qualcomm to correctly reflect the hardware
settings
- Firmware file names on multiple machines SA8540P Ride board
- An incompatible change to the qcom vadc driver requires adding
individual labels
- Fix EQoS PHY reset GPIO by dropping the deprecated/wrong property
and switch to the new bindings.
- A fix for PCI bus address translation Tegra194 and Tegra234.
There are also a couple of device driver fixes, addressing:
- A race condition in the amdtee driver
- A performance regression in the Qualcomm 'llcc' driver
- An unitialized variable use NXP i.MX 'weim' driver
- Error handling issues in Qualcomm 'rmtfs', and 'scm' drivers and
the Arm scmi firmware driver"
* tag 'arm-fixes-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits)
arm64: dts: qcom: sc8280xp-x13s: mark bob regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s12b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s10b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s11b regulator as always-on
arm64: dts: imx93: add missing #address-cells and #size-cells to i2c nodes
bus: imx-weim: fix branch condition evaluates to a garbage value
arm64: dts: imx8mn: specify #sound-dai-cells for SAI nodes
ARM: dts: imx6sl: tolino-shine2hd: fix usbotg1 pinctrl
ARM: dts: imx6sll: e60k02: fix usbotg1 pinctrl
ARM: dts: imx6sll: e70k02: fix usbotg1 pinctrl
arm64: dts: imx93: Fix eqos properties
arm64: dts: imx8mp: Fix LCDIF2 node clock order
arm64: dts: imx8mm-nitrogen-r2: fix WM8960 clock name
arm64: dts: imx8dxl-evk: Fix eqos phy reset gpio
firmware: qcom: scm: fix bogus irq error at probe
arm64: dts: qcom: sm8550: Mark UFS controller as cache coherent
arm64: dts: qcom: sa8540p-ride: correct name of remoteproc_nsp0 firmware
arm64: dts: qcom: sm8450: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8350: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8550: fix LPASS pinctrl slew base address
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply fixes from Sebastian Reichel:
- rk817: Fix compiler warning
- cros_usbpd-charger: Fix excessive error printing
- axp288_fuel_gauge: handle platform_get_irq error
- bq24190 and da9150: Fix race condition in remove path
* tag 'for-v6.3-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: da9150: Fix use after free bug in da9150_charger_remove due to race condition
power: supply: bq24190: Fix use after free bug in bq24190_remove due to race condition
power: supply: axp288_fuel_gauge: Added check for negative values
power: supply: cros_usbpd: reclassify "default case!" as debug
power: supply: rk817: Fix unsigned comparison with less than zero
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Pull drm fixes from Daniel Vetter:
- usual pile of fixes for amdgpu & i915
- probe error handling fixes for meson, lt8912b bridge
- the host1x patch from Arnd
- panel-orientation fix for Lenovo Book X90F
* tag 'drm-fixes-2023-03-24' of git://anongit.freedesktop.org/drm/drm: (23 commits)
gpu: host1x: fix uninitialized variable use
drm/amd/display: Set dcn32 caps.seamless_odm
drm/amd/display: fix wrong index used in dccg32_set_dpstreamclk
drm/amdgpu/nv: Apply ASPM quirk on Intel ADL + AMD Navi
drm/amd/display: remove outdated 8bpc comments
drm/amdgpu/gfx: set cg flags to enter/exit safe mode
drm/amdgpu: Force signal hw_fences that are embedded in non-sched jobs
drm/amdgpu: add mes resume when do gfx post soft reset
drm/amdgpu: skip ASIC reset for APUs when go to S4
drm/amdgpu: reposition the gpu reset checking for reuse
drm/bridge: lt8912b: return EPROBE_DEFER if bridge is not found
drm/meson: fix missing component unbind on bind errors
drm: panel-orientation-quirks: Add quirk for Lenovo Yoga Book X90F
Revert "drm/i915/hwmon: Enable PL1 power limit"
drm/i915: Update vblank timestamping stuff on seamless M/N change
drm/i915: Fix format for perf_limit_reasons
drm/i915/gt: perform uc late init after probe error injection
drm/i915/active: Fix missing debug object activation
drm/i915/guc: Fix missing ecodes
drm/i915/mtl: Disable MC6 for MTL A step
...
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM thin to work as a swap device by using 'limit_swap_bios' DM
target flag (initially added to allow swap to dm-crypt) to throttle
the amount of outstanding swap bios.
- Fix DM crypt soft lockup warnings by calling cond_resched() from the
cpu intensive loop in dmcrypt_write().
- Fix DM crypt to not access an uninitialized tasklet. This fix allows
for consistent handling of IO completion, by _not_ needlessly punting
to a workqueue when tasklets are not needed.
- Fix DM core's alloc_dev() initialization for DM stats to check for
and propagate alloc_percpu() failure.
* tag 'for-6.3/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm stats: check for and propagate alloc_percpu failure
dm crypt: avoid accessing uninitialized tasklet
dm crypt: add cond_resched() to dmcrypt_write()
dm thin: fix deadlock when swapping to thin device
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Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- Send Identify with CNS 06h only to I/O controllers (Martin
George)
- Fix nvme_tcp_term_pdu to match spec (Caleb Sander)
- Pass in issue_flags for uring_cmd, so the end_io handlers don't need
to assume what the right context is (me)
- Fix for ublk, marking it as LIVE before adding it to avoid races on
the initial IO (Ming)
* tag 'block-6.3-2023-03-24' of git://git.kernel.dk/linux:
nvme-tcp: fix nvme_tcp_term_pdu to match spec
nvme: send Identify with CNS 06h only to I/O controllers
block/io_uring: pass in issue_flags for uring_cmd task_work handling
block: ublk_drv: mark device as LIVE before adding disk
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Pull io_uring fixes from Jens Axboe:
- Fix an issue with repeated -ECONNREFUSED on a socket (me)
- Fix a NULL pointer deference due to a stale lookup cache for
allocating direct descriptors (Savino)
* tag 'io_uring-6.3-2023-03-24' of git://git.kernel.dk/linux:
io_uring/rsrc: fix null-ptr-deref in io_file_bitmap_get()
io_uring/net: avoid sending -ECONNABORTED on repeated connection requests
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These address two recent regressions related to thermal control.
Specifics:
- Restore the thermal core behavior regarding zero-temperature trip
points to avoid a driver regression (Ido Schimmel)
- Fix a recent regression in the ACPI processor driver preventing it
from changing the number of CPU cooling device states exposed via
sysfs after the given CPU cooling device has been registered
(Rafael Wysocki)"
* tag 'thermal-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: core: Restore behavior regarding invalid trip points
ACPI: processor: thermal: Update CPU cooling devices on cpufreq policy changes
thermal: core: Introduce thermal_cooling_device_update()
thermal: core: Introduce thermal_cooling_device_present()
ACPI: processor: Reorder acpi_processor_driver_init()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These add new ACPI IRQ override and backlight detection quirks.
Specifics:
- Add backlight=native DMI quirk for Acer Aspire 3830TG to the ACPI
backlight driver (Hans de Goede)
- Add an ACPI IRQ override quirk for Medion S17413 (Aymeric Wibo)"
* tag 'acpi-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: resource: Add Medion S17413 to IRQ override quirk
ACPI: video: Add backlight=native DMI quirk for Acer Aspire 3830TG
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At some point in between sending this patch to the list and merging it
into for-next, the tracepoints got all mixed up because I've
over-reliant on automated tools not sucking. The end result is that the
tracepoints are all wrong, so fix them.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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If user does forced unmount ("umount -f") while files are still open
on the share (as was seen in a Kubernetes example running on SMB3.1.1
mount) then we were marking the share as "TID_EXITING" in umount_begin()
which caused all subsequent operations (except write) to fail ... but
unfortunately when umount_begin() is called we do not know yet that
there are open files or active references on the share that would prevent
unmount from succeeding. Kubernetes had example when they were doing
umount -f when files were open which caused the share to become
unusable until the files were closed (and the umount retried).
Fix this so that TID_EXITING is not set until we are about to send
the tree disconnect (not at the beginning of forced umounts in
umount_begin) so that if "umount -f" fails (due to open files or
references) the mount is still usable.
Cc: stable@vger.kernel.org
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Get rid of any prefix paths in @path before lookup_positive_unlocked()
as it will call ->lookup() which already adds those prefix paths
through build_path_from_dentry().
This has caused a performance regression when mounting shares with a
prefix path where readdir(2) would end up retrying several times to
open bad directory names that contained duplicate prefix paths.
Fix this by skipping any prefix paths in @path before calling
lookup_positive_unlocked().
Fixes: e4029e072673 ("cifs: find and use the dentry for cached non-root directories also")
Cc: stable@vger.kernel.org # 6.1+
Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Performance tests with large number of threads noted that the change
of the default closetimeo (deferred close timeout between when
close is done by application and when client has to send the close
to the server), to 5 seconds from 1 second, significantly degraded
perf in some cases like this (in the filebench example reported,
the stats show close requests on the wire taking twice as long,
and 50% regression in filebench perf). This is stil configurable
via mount parm closetimeo, but to be safe, decrease default back
to its previous value of 1 second.
Reported-by: Yin Fengwei <fengwei.yin@intel.com>
Reported-by: kernel test robot <yujie.liu@intel.com>
Link: https://lore.kernel.org/lkml/997614df-10d4-af53-9571-edec36b0e2f3@intel.com/
Fixes: 5efdd9122eff ("smb3: allow deferred close timeout to be configurable")
Cc: stable@vger.kernel.org # 6.0+
Tested-by: Yin Fengwei <fengwei.yin@intel.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Make sure to unload_nls() @nls_codepage if we no longer need it.
Fixes: bc962159e8e3 ("cifs: avoid race conditions with parallel reconnects")
Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Cc: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab fix from Vlastimil Babka:
"A single build fix for a corner case configuration that is apparently
possible to achieve on some arches, from Geert"
* tag 'slab-fix-for-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
mm/slab: Fix undefined init_cache_node_node() for NUMA and !SMP
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- Set the NX compat flag for arm64 and zboot, to ensure compatibility
with EFI firmware that complies with tightening requirements imposed
across the ecosystem.
- Improve identification of Ampere Altra systems based on SMBIOS data.
- Fix some issues related to the EFI framebuffer that were introduced
as a result from some refactoring related to zboot and the merge with
sysfb.
- Makefile tweak to avoid rebuilding vmlinuz unnecessarily.
- Fix efi_random_alloc() return value on out of memory condition.
* tag 'efi-fixes-for-v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/libstub: randomalloc: Return EFI_OUT_OF_RESOURCES on failure
efi/libstub: Use relocated version of kernel's struct screen_info
efi/libstub: zboot: Add compressed image to make targets
efi: sysfb_efi: Add quirk for Lenovo Yoga Book X91F/L
efi: sysfb_efi: Fix DMI quirks not working for simpledrm
efi/libstub: smbios: Drop unused 'recsize' parameter
arm64: efi: Use SMBIOS processor version to key off Ampere quirk
efi/libstub: smbios: Use length member instead of record struct size
efi: earlycon: Reprobe after parsing config tables
arm64: efi: Set NX compat flag in PE/COFF header
efi/libstub: arm64: Remap relocated image with strict permissions
efi/libstub: zboot: Mark zboot EFI application as NX compatible
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/fixes
Qualcomm driver fixes for v6.3
Support for the secure world interrupting the SCM driver drive the wait
queue mechanism was recently introduced, but most platforms doesn't have
this mechanism and an error should not be printed in the log.
The rmtfs_mem driver recently gained support for assigning the region to
multiple VMIDs, but accidentally removed the support for running without
assignment. A couple of changes are introducd to correct this.
The SC8280XP LLCC slice configuration is wrong, reslting in incorrect
configuration of the hardware. The table is corrected, based on the
datasheet.
* tag 'qcom-driver-fixes-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
firmware: qcom: scm: fix bogus irq error at probe
soc: qcom: rmtfs: handle optional qcom,vmid correctly
soc: qcom: rmtfs: fix error handling reading qcom,vmid
soc: qcom: llcc: Fix slice configuration values for SC8280XP
Link: https://lore.kernel.org/r/20230323142505.1086072-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/fixes
Qualcomm ARM32 Devicetree fixes for v6.3
This introduces missing reserved-memory ranges on LG G Watch R,
resolving stability issues caused by Linux reusing memory used by
firmware.
* tag 'qcom-dts-fixes-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
ARM: dts: qcom: apq8026-lg-lenok: add missing reserved memory
Link: https://lore.kernel.org/r/20230323141922.1085875-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/fixes
Qualcomm ARM64 Devicetree fixes for v6.3
This correct SIM card selection on the two newly introduced
MSM8916-based USB modems.
The firmware-name for the first CDSP is corrected on the SA8540P Ride
board.
The PCIe controller in SC7280 is marked cache-coherent, which resolves
seen data corruption issues.
Labels are added to the vadc channel nodes on SC8280XP, as the Linux
driver was updated to not include the unit address when generating
device names and collisions thereby prevented registration of the
channels. Audio clocks and routing is corrected and a few regulators are
marked always-on for the Lenovo Thinkpad X13s, as their clients are not
fully described at this point.
SPI5 was accidentally enabled by default on SM6115, and is disabled
again.
CDSP on SM6375 is provided its power-domains, to appropriately vote for
during power up for the DSP.
The iommu mask for the PCIe controllers in SM8150 is updated, to match
what the hypervisor expects.
Th Venus firmware path is corrected on Xiaomi Mi Pad 5 Pro.
The UFS controller is marked cache coherent on SM8350 and SM8450.
The clocks for the second WSA macro on SM8450 is corrected, and given
its own clocks.
The bias-pull-up value for I2C pins are corrected on SM8550, to trigger
the selection of the strong pull. CPU compatibles and the base address
of the LPASS TLMM block are corrected.
* tag 'qcom-arm64-fixes-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (23 commits)
arm64: dts: qcom: sc8280xp-x13s: mark bob regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s12b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s10b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s11b regulator as always-on
arm64: dts: qcom: sm8550: Mark UFS controller as cache coherent
arm64: dts: qcom: sa8540p-ride: correct name of remoteproc_nsp0 firmware
arm64: dts: qcom: sm8450: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8350: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8550: fix LPASS pinctrl slew base address
arm64: dts: qcom: sc8280xp-x13s: fix va dmic dai links and routing
arm64: dts: qcom: sc8280xp-x13s: fix dmic sample rate
arm64: dts: qcom: sc8280xp: fix lpass tx macro clocks
arm64: dts: qcom: sc8280xp: fix rx frame shapping info
arm64: dts: qcom: sm8450: correct WSA2 assigned clocks
arm64: dts: qcom: sc7280: Mark PCIe controller as cache coherent
arm64: dts: qcom: msm8916-ufi: Fix sim card selection pinctrl
arm64: dts: qcom: sm8250-xiaomi-elish: Correct venus firmware path
arm64: dts: qcom: sm8550: Use correct CPU compatibles
arm64: dts: qcom: sm8550: Add bias pull up value to tlmm i2c data clk states
arm64: dts: qcom: sm6375: Add missing power-domain-named to CDSP
...
Link: https://lore.kernel.org/r/20230323141642.1085684-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix to match the CSR ASID masking rules when passing ASIDs to
firmware
- Force GCC to use ISA 2.2, to avoid a host of compatibily issues
between toolchains
* tag 'riscv-for-linus-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Handle zicsr/zifencei issues between clang and binutils
riscv: mm: Fix incorrect ASID argument when flushing TLB
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- fix build warning
- avoid concurrent accesses to the Xen PV console ring page
* tag 'for-linus-6.3-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/PVH: avoid 32-bit build warning when obtaining VGA console info
hvc/xen: prevent concurrent accesses to the shared ring
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