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kernel_wait4() doesn't sleep and returns -EINTR if there is no
eligible child and signal_pending() is true.
That is why zap_pid_ns_processes() clears TIF_SIGPENDING but this is not
enough, it should also clear TIF_NOTIFY_SIGNAL to make signal_pending()
return false and avoid a busy-wait loop.
Link: https://lkml.kernel.org/r/20240608120616.GB7947@redhat.com
Fixes: 12db8b6900 ("entry: Add support for TIF_NOTIFY_SIGNAL")
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reported-by: Rachel Menge <rachelmenge@linux.microsoft.com>
Closes: https://lore.kernel.org/all/1386cd49-36d0-4a5c-85e9-bc42056a5a38@linux.microsoft.com/
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Tested-by: Wei Fu <fuweid89@gmail.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Cc: Allen Pais <apais@linux.microsoft.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: Joel Granados <j.granados@samsung.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
Cc: Paul E. McKenney <paulmck@kernel.org>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Cc: Zqiang <qiang.zhang1211@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
When I did a large folios split test, a WARNING "[ 5059.122759][ T166]
Cannot split file folio to non-0 order" was triggered. But the test cases
are only for anonmous folios. while mapping_large_folio_support() is only
reasonable for page cache folios.
In split_huge_page_to_list_to_order(), the folio passed to
mapping_large_folio_support() maybe anonmous folio. The folio_test_anon()
check is missing. So the split of the anonmous THP is failed. This is
also the same for shmem_mapping(). We'd better add a check for both. But
the shmem_mapping() in __split_huge_page() is not involved, as for
anonmous folios, the end parameter is set to -1, so (head[i].index >= end)
is always false. shmem_mapping() is not called.
Also add a VM_WARN_ON_ONCE() in mapping_large_folio_support() for anon
mapping, So we can detect the wrong use more easily.
THP folios maybe exist in the pagecache even the file system doesn't
support large folio, it is because when CONFIG_TRANSPARENT_HUGEPAGE is
enabled, khugepaged will try to collapse read-only file-backed pages to
THP. But the mapping does not actually support multi order large folios
properly.
Using /sys/kernel/debug/split_huge_pages to verify this, with this patch,
large anon THP is successfully split and the warning is ceased.
Link: https://lkml.kernel.org/r/202406071740485174hcFl7jRxncsHDtI-Pz-o@zte.com.cn
Fixes: c010d47f10 ("mm: thp: split huge page to any lower order pages")
Reviewed-by: Barry Song <baohua@kernel.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Ran Xiaokai <ran.xiaokai@zte.com.cn>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: xu xin <xu.xin16@zte.com.cn>
Cc: Yang Yang <yang.yang29@zte.com.cn>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
put_page_tag_ref() should be called only when get_page_tag_ref() returns a
valid reference because only in that case get_page_tag_ref() enters RCU
read section while put_page_tag_ref() will call rcu_read_unlock() even if
the provided reference is NULL. Fix pgalloc_tag_get() which does not
follow this rule causing RCU imbalance. Add a warning in
put_page_tag_ref() to catch any future mistakes.
Link: https://lkml.kernel.org/r/20240601233840.617458-1-surenb@google.com
Fixes: cc92eba1c8 ("mm: fix non-compound multi-order memory accounting in __free_pages")
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202405271029.6d2f9c4c-lkp@intel.com
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Kees Cook <keescook@chromium.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Memory allocation profiling is trying to register sysctl interface even
when CONFIG_SYSCTL=n, resulting in proc_do_static_key() being undefined.
Prevent that by skipping sysctl registration for such configurations.
Link: https://lkml.kernel.org/r/20240601233831.617124-1-surenb@google.com
Fixes: 22d407b164 ("lib: add allocation tagging support for memory allocation profiling")
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202405280616.wcOGWJEj-lkp@intel.com/
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Kees Cook <keescook@chromium.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
I haven't had the bandwidth to review vmalloc patches recently and I
suspect I won't be able to do so consistently moving forwards, so I think
it's best if I remove myself as reviewer for the time being.
Link: https://lkml.kernel.org/r/20240602205510.108807-1-lstoakes@gmail.com
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
There was insufficient review and no agreement that this is the right
approach.
There are serious flaws with the implementation that make processes using
mlock() not even work with simple fork() [1] and we get reliable crashes
when rebooting.
Further, simply because we might be unmapping a single PTE of a large
mlocked folio, we shouldn't zero out the whole folio.
... especially because the code can also *corrupt* urelated memory because
kernel_init_pages(page, folio_nr_pages(folio));
Could end up writing outside of the actual folio if we work with a tail
page.
Let's revert it. Once there is agreement that this is the right approach,
the issues were fixed and there was reasonable review and proper testing,
we can consider it again.
[1] https://lkml.kernel.org/r/4da9da2f-73e4-45fd-b62f-a8a513314057@redhat.com
Link: https://lkml.kernel.org/r/20240605091710.38961-1-david@redhat.com
Fixes: ba42b524a0 ("mm: init_mlocked_on_free_v3")
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: David Wang <00107082@163.com>
Closes: https://lore.kernel.org/lkml/20240528151340.4282-1-00107082@163.com/
Reported-by: Lance Yang <ioworker0@gmail.com>
Closes: https://lkml.kernel.org/r/20240601140917.43562-1-ioworker0@gmail.com
Acked-by: Lance Yang <ioworker0@gmail.com>
Cc: York Jasper Niebuhr <yjnworkstation@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Not all pages may apply to pgtable check. One example is ZONE_DEVICE
pages: they map PFNs directly, and they don't allocate page_ext at all
even if there's struct page around. One may reference
devm_memremap_pages().
When both ZONE_DEVICE and page-table-check enabled, then try to map some
dax memories, one can trigger kernel bug constantly now when the kernel
was trying to inject some pfn maps on the dax device:
kernel BUG at mm/page_table_check.c:55!
While it's pretty legal to use set_pxx_at() for ZONE_DEVICE pages for page
fault resolutions, skip all the checks if page_ext doesn't even exist in
pgtable checker, which applies to ZONE_DEVICE but maybe more.
Link: https://lkml.kernel.org/r/20240605212146.994486-1-peterx@redhat.com
Fixes: df4e817b71 ("mm: page table check")
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Alistair Popple <apopple@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
'-Warray-bounds' is already disabled for gcc-10+. Now that we've merged
bitmap_{read,write), I see the following error when building the kernel
with gcc-9.4 (Ubuntu 20.04.4 LTS) for x86_64 allmodconfig:
drivers/pinctrl/pinctrl-cy8c95x0.c: In function `cy8c95x0_read_regs_mask.isra.0':
include/linux/bitmap.h:756:18: error: array subscript [1, 288230376151711744] is outside array bounds of `long unsigned int[1]' [-Werror=array-bounds]
756 | value_high = map[index + 1] & BITMAP_LAST_WORD_MASK(start + nbits);
| ~~~^~~~~~~~~~~
The immediate reason is that the commit b44759705f ("bitmap: make
bitmap_{get,set}_value8() use bitmap_{read,write}()") switched the
bitmap_get_value8() to an alias of bitmap_read(); the same for 'set'.
Now; the code that triggers Warray-bounds, calls the function like this:
#define MAX_BANK 8
#define BANK_SZ 8
#define MAX_LINE (MAX_BANK * BANK_SZ)
DECLARE_BITMAP(tval, MAX_LINE); // 64-bit map: unsigned long tval[1]
read_val |= bitmap_get_value8(tval, i * BANK_SZ) & ~bits;
bitmap_read() is implemented such that it may conditionally dereference a
pointer beyond the boundary like this:
unsigned long offset = start % BITS_PER_LONG;
unsigned long space = BITS_PER_LONG - offset;
if (space >= nbits)
return (map[index] >> offset) & BITMAP_LAST_WORD_MASK(nbits);
value_low = map[index] & BITMAP_FIRST_WORD_MASK(start);
value_high = map[index + 1] & BITMAP_LAST_WORD_MASK(start + nbits);
return (value_low >> offset) | (value_high << space);
In case of bitmap_get_value8(), it's impossible to violate the boundary
because 'space >= nbits' is never the true for byte-aligned 8-bit access.
So, this is clearly a false-positive.
The same type of false-positives break my allmodconfig build in many
places. gcc-8, is clear, however.
Link: https://lkml.kernel.org/r/20240522225830.1201778-1-yury.norov@gmail.com
Fixes: b44759705f ("bitmap: make bitmap_{get,set}_value8() use bitmap_{read,write}()")
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Cc: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Yoann Congal <yoann.congal@smile.fr>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
bdev->bd_super has been removed and commit 8887b94d93 change the usage
from bdev->bd_super to b_assoc_map->host->i_sb. Since ocfs2 hasn't set
bh->b_assoc_map, it will trigger NULL pointer dereference when calling
into ocfs2_abort_trigger().
Actually this was pointed out in history, see commit 74e364ad1b. But
I've made a mistake when reviewing commit 8887b94d93 and then
re-introduce this regression.
Since we cannot revive bdev in buffer head, so fix this issue by
initializing all types of ocfs2 triggers when fill super, and then get the
specific ocfs2 trigger from ocfs2_caching_info when access journal.
[joseph.qi@linux.alibaba.com: v2]
Link: https://lkml.kernel.org/r/20240602112045.1112708-1-joseph.qi@linux.alibaba.com
Link: https://lkml.kernel.org/r/20240530110630.3933832-2-joseph.qi@linux.alibaba.com
Fixes: 8887b94d93 ("ocfs2: stop using bdev->bd_super for journal error logging")
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Cc: <stable@vger.kernel.org> [6.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
- Update copies of kernel headers, which resulted in support for the new
'mseal' syscall, SUBVOL statx return mask bit, RISC-V and PPC prctls,
fcntl's DUPFD_QUERY, POSTED_MSI_NOTIFICATION IRQ vector, 'map_shadow_stack'
syscall for x86-32.
- Revert perf.data record memory allocation optimization that ended up
causing a regression, work is being done to re-introduce it in the
next merge window.
- Fix handling of minimal vmlinux.h file used with BPF's CO-RE when
interrupting the build.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.10-2-2024-06-09' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Update copies of kernel headers, which resulted in support for the
new 'mseal' syscall, SUBVOL statx return mask bit, RISC-V and PPC
prctls, fcntl's DUPFD_QUERY, POSTED_MSI_NOTIFICATION IRQ vector,
'map_shadow_stack' syscall for x86-32.
- Revert perf.data record memory allocation optimization that ended up
causing a regression, work is being done to re-introduce it in the
next merge window.
- Fix handling of minimal vmlinux.h file used with BPF's CO-RE when
interrupting the build.
* tag 'perf-tools-fixes-for-v6.10-2-2024-06-09' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf bpf: Fix handling of minimal vmlinux.h file when interrupting the build
Revert "perf record: Reduce memory for recording PERF_RECORD_LOST_SAMPLES event"
tools headers arm64: Sync arm64's cputype.h with the kernel sources
tools headers uapi: Sync linux/stat.h with the kernel sources to pick STATX_SUBVOL
tools headers UAPI: Update i915_drm.h with the kernel sources
tools headers UAPI: Sync kvm headers with the kernel sources
tools arch x86: Sync the msr-index.h copy with the kernel sources
tools headers: Update the syscall tables and unistd.h, mostly to support the new 'mseal' syscall
perf trace beauty: Update the arch/x86/include/asm/irq_vectors.h copy with the kernel sources to pick POSTED_MSI_NOTIFICATION
perf beauty: Update copy of linux/socket.h with the kernel sources
tools headers UAPI: Sync fcntl.h with the kernel sources to pick F_DUPFD_QUERY
tools headers UAPI: Sync linux/prctl.h with the kernel sources
tools include UAPI: Sync linux/stat.h with the kernel sources
propagated all the way up to the module loading functions
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Merge tag 'edac_urgent_for_v6.10_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fixes from Borislav Petkov:
- Convert PCI core error codes to proper error numbers since latter get
propagated all the way up to the module loading functions
* tag 'edac_urgent_for_v6.10_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/igen6: Convert PCIBIOS_* return codes to errnos
EDAC/amd64: Convert PCIBIOS_* return codes to errnos
driver was registering clkdev lookups that were always going to be
useless. This wasn't a problem until clkdev started returning an error
in these cases, causing this driver to fail probe, and thus boot to fail
because clks are essential for most drivers. The fix is simple, don't
use clkdev because this is a DT based system where clkdev isn't used.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One fix for the SiFive PRCI clocks so that the device boots again.
This driver was registering clkdev lookups that were always going to
be useless. This wasn't a problem until clkdev started returning an
error in these cases, causing this driver to fail probe, and thus boot
to fail because clks are essential for most drivers. The fix is
simple, don't use clkdev because this is a DT based system where
clkdev isn't used"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: sifive: Do not register clkdevs for PRCI clocks
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Merge tag '6.10-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Two small smb3 client fixes:
- fix deadlock in umount
- minor cleanup due to netfs change"
* tag '6.10-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Don't advance the I/O iterator before terminating subrequest
smb: client: fix deadlock in smb2_find_smb_tcon()
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Merge tag 'for-linus-2024060801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Benjamin Tissoires:
- fix potential read out of bounds in hid-asus (Andrew Ballance)
- fix endian-conversion on little endian systems in intel-ish-hid (Arnd
Bergmann)
- A couple of new input event codes (Aseda Aboagye)
- errors handling fixes in hid-nvidia-shield (Chen Ni), hid-nintendo
(Christophe JAILLET), hid-logitech-dj (José Expósito)
- current leakage fix while the device is in suspend on a i2c-hid
laptop (Johan Hovold)
- other assorted smaller fixes and device ID / quirk entry additions
* tag 'for-linus-2024060801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: Ignore battery for ELAN touchscreens 2F2C and 4116
HID: i2c-hid: elan: fix reset suspend current leakage
dt-bindings: HID: i2c-hid: elan: add 'no-reset-on-power-off' property
dt-bindings: HID: i2c-hid: elan: add Elan eKTH5015M
dt-bindings: HID: i2c-hid: add dedicated Ilitek ILI2901 schema
input: Add support for "Do Not Disturb"
input: Add event code for accessibility key
hid: asus: asus_report_fixup: fix potential read out of bounds
HID: logitech-hidpp: add missing MODULE_DESCRIPTION() macro
HID: intel-ish-hid: fix endian-conversion
HID: nintendo: Fix an error handling path in nintendo_hid_probe()
HID: logitech-dj: Fix memory leak in logi_dj_recv_switch_to_dj_mode()
HID: core: remove unnecessary WARN_ON() in implement()
HID: nvidia-shield: Add missing check for input_ff_create_memless
HID: intel-ish-hid: Fix build error for COMPILE_TEST
- Fix the initial state of the save button in 'make gconfig'
- Improve the Kconfig documentation
- Fix a Kconfig bug regarding property visibility
- Fix build breakage for systems where 'sed' is not installed in /bin
- Fix a false warning about missing MODULE_DESCRIPTION()
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Merge tag 'kbuild-fixes-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix the initial state of the save button in 'make gconfig'
- Improve the Kconfig documentation
- Fix a Kconfig bug regarding property visibility
- Fix build breakage for systems where 'sed' is not installed in /bin
- Fix a false warning about missing MODULE_DESCRIPTION()
* tag 'kbuild-fixes-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
modpost: do not warn about missing MODULE_DESCRIPTION() for vmlinux.o
kbuild: explicitly run mksysmap as sed script from link-vmlinux.sh
kconfig: remove wrong expr_trans_bool()
kconfig: doc: document behavior of 'select' and 'imply' followed by 'if'
kconfig: doc: fix a typo in the note about 'imply'
kconfig: gconf: give a proper initial state to the Save button
kconfig: remove unneeded code for user-supplied values being out of range
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Merge tag 'media/v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- fixes for the new ipu6 driver (and related fixes to mei csi driver)
- fix a double debugfs remove logic at mgb4 driver
- a documentation fix
* tag 'media/v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: intel/ipu6: add csi2 port sanity check in notifier bound
media: intel/ipu6: update the maximum supported csi2 port number to 6
media: mei: csi: Warn less verbosely of a missing device fwnode
media: mei: csi: Put the IPU device reference
media: intel/ipu6: fix the buffer flags caused by wrong parentheses
media: intel/ipu6: Fix an error handling path in isys_probe()
media: intel/ipu6: Move isys_remove() close to isys_probe()
media: intel/ipu6: Fix some redundant resources freeing in ipu6_pci_remove()
media: Documentation: v4l: Fix ACTIVE route flag
media: mgb4: Fix double debugfs remove
that can result in missed wakeups and hung tasks.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2024-06-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf event fix from Ingo Molnar:
"Fix race between perf_event_free_task() and perf_event_release_kernel()
that can result in missed wakeups and hung tasks"
* tag 'perf-urgent-2024-06-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix missing wakeup when waiting for context reference
All except the nilfs2 fix affect MM and all are singletons - see the
chagelogs for details.
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Merge tag 'mm-hotfixes-stable-2024-06-07-15-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"14 hotfixes, 6 of which are cc:stable.
All except the nilfs2 fix affect MM and all are singletons - see the
chagelogs for details"
* tag 'mm-hotfixes-stable-2024-06-07-15-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors
mm: fix xyz_noprof functions calling profiled functions
codetag: avoid race at alloc_slab_obj_exts
mm/hugetlb: do not call vma_add_reservation upon ENOMEM
mm/ksm: fix ksm_zero_pages accounting
mm/ksm: fix ksm_pages_scanned accounting
kmsan: do not wipe out origin when doing partial unpoisoning
vmalloc: check CONFIG_EXECMEM in is_vmalloc_or_module_addr()
mm: page_alloc: fix highatomic typing in multi-block buddies
nilfs2: fix potential kernel bug due to lack of writeback flag waiting
memcg: remove the lockdep assert from __mod_objcg_mlstate()
mm: arm64: fix the out-of-bounds issue in contpte_clear_young_dirty_ptes
mm: huge_mm: fix undefined reference to `mthp_stats' for CONFIG_SYSFS=n
mm: drop the 'anon_' prefix for swap-out mTHP counters
- set of interrupt handling and Kconfig fixes for gpio-tqmx86
- add a buffer for storing output values in gpio-tqmx86 as reading back the
registers always returns the input values
- add missing MODULE_DESCRIPTION()s to several GPIO drivers
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Merge tag 'gpio-fixes-for-v6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- interrupt handling and Kconfig fixes for gpio-tqmx86
- add a buffer for storing output values in gpio-tqmx86 as reading back
the registers always returns the input values
- add missing MODULE_DESCRIPTION()s to several GPIO drivers
* tag 'gpio-fixes-for-v6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: add missing MODULE_DESCRIPTION() macros
gpio: tqmx86: fix broken IRQ_TYPE_EDGE_BOTH interrupt type
gpio: tqmx86: store IRQ trigger type and unmask status separately
gpio: tqmx86: introduce shadow register for GPIO output value
gpio: tqmx86: fix typo in Kconfig label
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Merge tag 'io_uring-6.10-20240607' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix a locking order issue with setting max async thread workers
(Hagar)
- Fix for a NULL pointer dereference for failed async flagged requests
using ring provided buffers. This doesn't affect the current kernel,
but it does affect older kernels, and is being queued up for 6.10
just to make the stable process easier (me)
- Fix for NAPI timeout calculations for how long to busy poll, and
subsequently how much to sleep post that if a wait timeout is passed
in (me)
- Fix for a regression in this release cycle, where we could end up
using a partially unitialized match value for io-wq (Su)
* tag 'io_uring-6.10-20240607' of git://git.kernel.dk/linux:
io_uring: fix possible deadlock in io_register_iowq_max_workers()
io_uring/io-wq: avoid garbage value of 'match' in io_wq_enqueue()
io_uring/napi: fix timeout calculation
io_uring: check for non-NULL file pointer in io_file_can_poll()
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Merge tag 'for-6.10-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix handling of folio private changes.
The private value holds pointer to our extent buffer structure
representing a metadata range. Release and create of the range was
not properly synchronized when updating the private bit which ended
up in double folio_put, leading to all sorts of breakage
- fix a crash, reported as duplicate key in metadata, but caused by a
race of fsync and size extending write. Requires prealloc target
range + fsync and other conditions (log tree state, timing)
- fix leak of qgroup extent records after transaction abort
* tag 'for-6.10-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: protect folio::private when attaching extent buffer folios
btrfs: fix leak of qgroup extent records after transaction abort
btrfs: fix crash on racing fsync and size-extending write into prealloc
- Fix an occasional memory overwrite caused by a fix added in 6.10
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Merge tag 'nfsd-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix an occasional memory overwrite caused by a fix added in 6.10
* tag 'nfsd-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
SUNRPC: Fix loop termination condition in gss_free_in_token_pages()
* Another fix to avoid allocating pages that overlap with ERR_PTR, which
manifests on rv32.
* A revert for the badaccess patch I incorrectly picked up an early
version of.
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Merge tag 'riscv-for-linus-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- Another fix to avoid allocating pages that overlap with ERR_PTR,
which manifests on rv32
- A revert for the badaccess patch I incorrectly picked up an early
version of
* tag 'riscv-for-linus-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
Revert "riscv: mm: accelerate pagefault when badaccess"
riscv: fix overlap of allocated page and PTR_ERR
- Do not create PT_LOAD program header for the kenel image when
the virtual memory informaton in OS_INFO data is not available.
That fixes stand-alone dump failures against kernels that do not
provide the virtual memory informaton
- Add KVM s390 shared zeropage selftest
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Merge tag 's390-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Do not create PT_LOAD program header for the kenel image when the
virtual memory informaton in OS_INFO data is not available. That
fixes stand-alone dump failures against kernels that do not provide
the virtual memory informaton
- Add KVM s390 shared zeropage selftest
* tag 's390-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
KVM: s390x: selftests: Add shared zeropage test
s390/crash: Do not use VM info if os_info does not have it
Highlights:
- Default silead touchscreen driver to 10 fingers and drop 10 finger setting
from all DMI quirks. More of a cleanup then a pure fix, but since the DMI
quirks always get updated through the fixes branch this avoids conflicts.
- Kconfig fix for randconfig builds
- dell-smbios: Fix wrong token data in sysfs
- amd-hsmp: Fix driver poking unsupported hw when loaded manually
The following is an automated git shortlog grouped by driver:
Input:
- silead - Always support 10 fingers
dell-smbios:
- Simplify error handling
- Fix wrong token data in sysfs
platform/x86/amd/hsmp:
- Check HSMP support on AMD family of processors
touchscreen_dmi:
- Use 2-argument strscpy()
- Drop "silead,max-fingers" property
yt2-1380:
- add CONFIG_EXTCON dependency
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Merge tag 'platform-drivers-x86-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- Default silead touchscreen driver to 10 fingers and drop 10 finger
setting from all DMI quirks. More of a cleanup then a pure fix, but
since the DMI quirks always get updated through the fixes branch
this avoids conflicts.
- Kconfig fix for randconfig builds
- dell-smbios: Fix wrong token data in sysfs
- amd-hsmp: Fix driver poking unsupported hw when loaded manually
* tag 'platform-drivers-x86-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/amd/hsmp: Check HSMP support on AMD family of processors
platform/x86: dell-smbios: Simplify error handling
platform/x86: dell-smbios: Fix wrong token data in sysfs
platform/x86: yt2-1380: add CONFIG_EXTCON dependency
platform/x86: touchscreen_dmi: Use 2-argument strscpy()
platform/x86: touchscreen_dmi: Drop "silead,max-fingers" property
Input: silead - Always support 10 fingers
Including:
- Core:
- Make iommu-dma code recognize 'force_aperture' again
- Fix for potential NULL-ptr dereference from iommu_sva_bind_device()
return value
- AMD IOMMU fixes:
- Fix lockdep splat for invalid wait context
- Add feature bit check before enabling PPR
- Make workqueue name fit into buffer
- Fix memory leak in sysfs code
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Merge tag 'iommu-fixes-v6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
"Core:
- Make iommu-dma code recognize 'force_aperture' again
- Fix for potential NULL-ptr dereference from iommu_sva_bind_device()
return value
AMD IOMMU fixes:
- Fix lockdep splat for invalid wait context
- Add feature bit check before enabling PPR
- Make workqueue name fit into buffer
- Fix memory leak in sysfs code"
* tag 'iommu-fixes-v6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix Invalid wait context issue
iommu/amd: Check EFR[EPHSup] bit before enabling PPR
iommu/amd: Fix workqueue name
iommu: Return right value in iommu_sva_bind_device()
iommu/dma: Fix domain init
iommu/amd: Fix sysfs leak in iommu init
- Fix a regression for the PATA MacIO driver were it would fail to probe
because of the recent changes of initializing the limits in SCSI core.
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Merge tag 'ata-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Niklas Cassel:
- Fix a regression for the PATA MacIO driver were it would fail to
probe because of the recent changes of initializing the limits in
SCSI core
* tag 'ata-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: pata_macio: Fix max_segment_size with PAGE_SIZE == 64K
At least ASUS Zenbook 14 (2023) and ASUS Zenbook 14 Pro (2023) are affected.
The touchscreen reports a battery status of 0% and jumps to 1% when a
stylus is used.
The device ID was added and the battery ignore quirk was enabled for it.
[jkosina@suse.com: reformatted changelog a bit]
Signed-off-by: Louis Dalibard <ontake@ontake.dev>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
The Elan eKTH5015M touch controller found on the Lenovo ThinkPad X13s
shares the VCC33 supply with other peripherals that may remain powered
during suspend (e.g. when enabled as wakeup sources).
The reset line is also wired so that it can be left deasserted when the
supply is off.
This is important as it avoids holding the controller in reset for
extended periods of time when it remains powered, which can lead to
increased power consumption, and also avoids leaking current through the
X13s reset circuitry during suspend (and after driver unbind).
Use the new 'no-reset-on-power-off' devicetree property to determine
when reset needs to be asserted on power down.
Notably this also avoids wasting power on machine variants without a
touchscreen for which the driver would otherwise exit probe with reset
asserted.
Fixes: bd3cba00dc ("HID: i2c-hid: elan: Add support for Elan eKTH6915 i2c-hid touchscreens")
Cc: <stable@vger.kernel.org> # 6.0
Cc: Douglas Anderson <dianders@chromium.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20240507144821.12275-5-johan+linaro@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
When the power supply is shared with other peripherals the reset line
can be wired in such a way that it can remain deasserted regardless of
whether the supply is on or not.
This is important as it can be used to avoid holding the controller in
reset for extended periods of time when it remains powered, something
which can lead to increased power consumption. Leaving reset deasserted
also avoids leaking current through the reset circuitry pull-up
resistors.
Add a new 'no-reset-on-power-off' devicetree property which can be used
by the OS to determine when reset needs to be asserted on power down.
Note that this property can also be used when the supply cannot be
turned off by the OS at all.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240507144821.12275-4-johan+linaro@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Add a compatible string for the Elan eKTH5015M touch controller.
Judging from the current binding and commit bd3cba00dc ("HID: i2c-hid:
elan: Add support for Elan eKTH6915 i2c-hid touchscreens"), eKTH5015M
appears to be compatible with eKTH6915. Notably the power-on sequence is
the same.
While at it, drop a redundant label from the example.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240507144821.12275-3-johan+linaro@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
The Ilitek ILI2901 touch screen controller was apparently incorrectly
added to the Elan eKTH6915 schema simply because it also has a reset
gpio and is currently managed by the Elan driver in Linux.
The two controllers are not related even if an unfortunate wording in
the commit message adding the Ilitek compatible made it sound like they
were.
Add a dedicated schema for the ILI2901 which does not specify the I2C
address (which is likely 0x41 rather than 0x10 as for other Ilitek touch
controllers) to avoid cluttering the Elan schema with unrelated devices
and to make it easier to find the correct schema when adding further
Ilitek controllers.
Fixes: d74ac6f60a ("dt-bindings: HID: i2c-hid: elan: Introduce Ilitek ili2901")
Cc: Zhengqiao Xia <xiazhengqiao@huaqin.corp-partner.google.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240507144821.12275-2-johan+linaro@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
HUTRR94 added support for a new usage titled "System Do Not Disturb"
which toggles a system-wide Do Not Disturb setting. This commit simply
adds a new event code for the usage.
Signed-off-by: Aseda Aboagye <aaboagye@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/Zl-gUHE70s7wCAoB@google.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
HUTRR116 added support for a new usage titled "System Accessibility
Binding" which toggles a system-wide bound accessibility UI or command.
This commit simply adds a new event code for the usage.
Signed-off-by: Aseda Aboagye <aaboagye@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/Zl-e97O9nvudco5z@google.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
On x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpio/gpio-gw-pld.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpio/gpio-mc33880.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpio/gpio-pcf857x.o
Add the missing invocations of the MODULE_DESCRIPTION() macro,
including the one missing in gpio-pl061.c, which is not built for x86.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240606-md-drivers-gpio-v1-1-cb42d240ca5c@quicinc.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
There's now no need to make sure subreq->io_iter is advanced to match
subreq->transferred before calling one of the netfs subrequest termination
functions as the check has been removed netfslib and the iterator is reset
prior to retrying a subreq.
Fixes: 3ee1a1fc39 ("cifs: Cut over to using netfslib")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such
deadlock.
Cc: stable@vger.kernel.org
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Building with W=1 incorrectly emits the following warning:
WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
This check should apply only to modules.
Fixes: 1fffe7a34c ("script: modpost: emit a warning when the description is missing")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
In commit b18b047002 ("kbuild: change scripts/mksysmap into sed
script"), the mksysmap script was transformed into a sed script,
made directly executable with "#!/bin/sed -f". Apparently, the path to
sed is different on NixOS.
The shebang can't use the env command, otherwise the "sed -f" command
would be treated as a single argument. This can be solved with the -S
flag, but that is a GNU extension. Explicitly use sed instead of relying
on the executable shebang to fix NixOS builds without breaking build
environments using Busybox.
Fixes: b18b047002 ("kbuild: change scripts/mksysmap into sed script")
Reported-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
