Unify end_buffer_read_sync() and __end_buffer_read_notouch()
by requiring the caller put the refcount on the buffer. The only caller
is in the gfs2_meta_read() path, and there we can put the refcount
after locking the buffer.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-34-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
This shrinks buffer_head by 8 bytes, letting us pack more buffer heads
per slab. With a Debian config, it shrinks from 104 bytes to 96 bytes
which is 42 objects per 4KiB page rather than 39, a 7% reduction in the
amount of memory used.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-33-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
No users are left; remove this API. Also remove/fix comments mentioning
it, and end_bio_bh_io_sync() as it's now unused.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-32-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-30-willy@infradead.org
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reviewed-by: Viacheslav Dubeyko <slava@dubeyko.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-nilfs@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-29-willy@infradead.org
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reviewed-by: Viacheslav Dubeyko <slava@dubeyko.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-nilfs@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-28-willy@infradead.org
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reviewed-by: Viacheslav Dubeyko <slava@dubeyko.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-nilfs@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
There are no more callers of this function, so delete it.
end_buffer_async_write() then has only one caller left, so
inline it into bh_end_async_write().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-27-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
All buffer heads submitted by gfs2_submit_bhs() use
end_buffer_read_sync() so we can call it directly.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-25-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: gfs2@lists.linux.dev
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call by using bh_submit() instead of
submit_bh(). Also simplify the control flow now that the buffer
refcount is not put by bh_end_read().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-24-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: gfs2@lists.linux.dev
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call by using bh_submit() instead
of submit_bh(). Also simplify the control flow now that the buffer
refcount is not put by bh_end_read().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-23-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: gfs2@lists.linux.dev
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-22-willy@infradead.org
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: ocfs2-devel@lists.linux.dev
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-21-willy@infradead.org
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: ocfs2-devel@lists.linux.dev
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-20-willy@infradead.org
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: ocfs2-devel@lists.linux.dev
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer
refcount by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-19-willy@infradead.org
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: ocfs2-devel@lists.linux.dev
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-18-willy@infradead.org
Acked-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call by using bh_submit()
instead of submit_bh() in journal_submit_commit_record()
and jbd2_journal_commit_transaction(). These both use
journal_end_buffer_io_sync(), so it's more straightforward to do them
both at once.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-17-willy@infradead.org
Acked-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-16-willy@infradead.org
Acked-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-15-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call by converting
ext4_end_buffer_io_sync() from bh_end_io_t to bio_end_io_t and
calling bh_submit().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-14-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by converting ext4_end_bitmap_read() from bh_end_io_t to bio_end_io_t
and calling bh_submit().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-13-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call by using __bh_submit() instead
of submit_bh_wbc(). Since there is only one caller of submit_bh_wbc()
left, inline it into submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-12-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call by using bh_submit() instead of
submit_bh(). Since mark_buffer_async_read() would collapse to a single
function call, inline it into block_read_full_folio() along with its
extensive comment. Convert end_buffer_async_read_io() to
bh_end_async_read().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-11-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-10-willy@infradead.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-9-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-8-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-7-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-6-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
These are the bio_end_io_t versions of end_buffer_read_sync(),
end_buffer_write_sync() and end_buffer_async_write(). They do not
contain a put_bh() call as it is no longer necessary.
Also add the helper function bio_endio_bh().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-5-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
All callers of mark_buffer_async_write_endio() pass
end_buffer_async_write, so we can inline mark_buffer_async_write_endio()
into mark_buffer_async_write() and just call that instead.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-4-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
bh_submit() takes a bio_end_io allowing users to avoid the indirect
function call through bh->b_end_io, and eventually allowing us to remove
bh->b_end_io.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-3-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Rearrange functions to avoid this forward declaration.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-2-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Raspberry Pi 3B by marking the VEC clk critical so it doesn't get
turned off and hang the bus.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One more fix for the merge window to avoid a boot hang on
Raspberry Pi 3B by marking the VEC clk critical so that it
doesn't get turned off and hang the bus"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: bcm: rpi: Mark VEC clock as CLK_IGNORE_UNUSED
- Drop class_create() for the "tsm" class
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Merge tag 'tsm-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm
Pull PCIe TSP update from Dan Williams:
"A small update for the TSM core. It is arguably a fix and coming in
late as I have been offline the past few weeks:
- Drop class_create() for the 'tsm' class"
* tag 'tsm-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm:
virt: coco: change tsm_class to a const struct
- kbuild: builddeb - avoid recompiles for non-cross-compiles
Avoid triggering complete rebuilds for non-cross-compile Debian
package builds by only triggering the rebuild of host tools for
actual cross-compile builds.
- kbuild: Never respect CONFIG_WERROR / W=e to fixdep
Avoid spurious rebuilds of fixdep w/ and w/o -Werror during a single
kbuild invocation by never respecting CONFIG_WERROR for fixdep.
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Mathias Krause <minipli@grsecurity.net>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Thomas Weißschuh <linux@weissschuh.net>
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Merge tag 'kbuild-fixes-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild fixes from Nicolas Schier:
- builddeb - avoid recompiles for non-cross-compiles
Avoid triggering complete rebuilds for non-cross-compile Debian
package builds by only triggering the rebuild of host tools for
actual cross-compile builds
- Never respect CONFIG_WERROR / W=e to fixdep
Avoid spurious rebuilds of fixdep w/ and w/o -Werror during a single
kbuild invocation by never respecting CONFIG_WERROR for fixdep
* tag 'kbuild-fixes-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux:
kbuild: Never respect CONFIG_WERROR / W=e to fixdep
kbuild: builddeb - avoid recompiles for non-cross-compiles
Subsystem:
- add data_race() in rtc_dev_poll()
Drivers:
- remove i2c_match_id usage
- abx80x: Disable alarm feature if no interrupt attached
- ti-k3: support resuming from IO DDR low power mode
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Merge tag 'rtc-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- add data_race() in rtc_dev_poll()
Drivers:
- remove i2c_match_id usage
- abx80x: Disable alarm feature if no interrupt attached
- ti-k3: support resuming from IO DDR low power mode"
* tag 'rtc-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: abx80x: Disable alarm feature if no interrupt attached
rtc: ntxec: fix OF node reference imbalance
rtc: pic32: allow driver to be compiled with COMPILE_TEST
rtc: ti-k3: Add support to resume from IO DDR low power mode
rtc: cmos: Use platform_get_irq_optional() in cmos_platform_probe()
dt-bindings: rtc: add olpc,xo1-rtc to trivial-rtc
dt-bindings: rtc: sc2731: Add compatible for SC2730
rtc: add data_race() in rtc_dev_poll()
rtc: armada38x: zalloc + calloc to single allocation
dt-bindings: rtc: isl12026: convert to YAML schema
dt-bindings: rtc: microcrystal,rv3028: Allow to specify vdd-supply
rtc: max77686: convert to i2c_new_ancillary_device
dt-bindings: rtc: mpfs-rtc: permit resets
rtc: rx8025: Remove use of i2c_match_id()
rtc: rv8803: Remove use of i2c_match_id()
rtc: rs5c372: Remove use of i2c_match_id()
rtc: pcf2127: Remove use of i2c_match_id()
rtc: m41t80: Remove use of i2c_match_id()
rtc: abx80x: Remove use of i2c_match_id()
mentioning separately: Rafael's commit converting tpm_crb from ACPI driver
to a platform driver. Starting from this release cycle, the branch with TPM
changes mirrored to next is 'for-next-tpm', and patches for keys have their
own separate 'for-next-keys' branch.
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Merge tag 'for-next-tpm-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen:
"Here are the accumulated fixes for 7.1-rc1 and a single structural
change worth mentioning separately: Rafael's commit converting tpm_crb
from ACPI driver to a platform driver"
* tag 'for-next-tpm-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: tpm_tis: stop transmit if retries are exhausted
tpm: tpm_tis: add error logging for data transfer
tpm: avoid -Wunused-but-set-variable
tpm: Use kfree_sensitive() to free auth session in tpm_dev_release()
tpm2-sessions: Fix missing tpm_buf_destroy() in tpm2_read_public()
tpm: Fix auth session leak in tpm2_get_random() error path
tpm: i2c: atmel: fix block comment formatting
tpm_crb: Convert ACPI driver to a platform one
tpm: Make tcpci_pm_ops variable static const
Since v2025.11.22:
Initial SoC Slider support
SoC Slider is an SoC-wide power/performance policy setting.
On SoC Slider systems, EPP plays a diminished role.
Whitespace cleanup via: indent -npro -kr -i8 -ts8 -sob -l160 -ss -ncs -cp1
No functional changes
Signed-off-by: Len Brown <len.brown@intel.com>
x86_energy_perf_policy accesses the SoC Slider via standard
user/kernel APIs to the processor_thermal_soc_slider driver.
Machines that support SoC Slider largely use it instead of EPP,
which may continue to exist in a diminished role, or vanish entirely.
Signed-off-by: Len Brown <len.brown@intel.com>
When processor_thermal_soc_slider is loaded, its slider
and offset modparams are visible. Check that the driver
actually registered the profile named "SoC Slider" before
reading or writing these modparams.
n.b. This utility allows writing the Slider and Offset modparams
even if the driver policy is not "balanced". Currently the
processor_thermal_soc_slider consults those modparams
only in "balanced" mode.
Signed-off-by: Len Brown <len.brown@intel.com>
On Raspberry Pi 3B, the VEC clock is used by the VideoCore firmware
display driver, which remains active until the vc4 driver loads and
sends NOTIFY_DISPLAY_DONE. If this clock is disabled during boot, a bus
lockup happens and the firmware becomes unresponsive, causing a complete
system lockup.
Mark the VEC clock with CLK_IGNORE_UNUSED so it survives the unused
clock disablement and remains available until the vc4 driver takes over
display management.
Fixes: 672299736a ("clk: bcm: rpi: Manage clock rate in prepare/unprepare callbacks")
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/r/5f0bec08-f458-4fba-8bf3-06817a100c4c@sirena.org.uk
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patch.msgid.link/20260401111416.562279-2-mcanal@igalia.com
Tested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Brian Masney <bmasney@redhat.com> # Active contributor to clk
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Several development updates for 7.1-rc1:
- fix a race condition handling PG_dcache_clean
- further cleanups for the fault handling, allowing RT to be enabled
- fixing nzones validation in adfs filesystem driver
- fix for module unwinding
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
Pull ARM updates from Russell King:
- fix a race condition handling PG_dcache_clean
- further cleanups for the fault handling, allowing RT to be enabled
- fixing nzones validation in adfs filesystem driver
- fix for module unwinding
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
ARM: 9463/1: Allow to enable RT
ARM: 9472/1: fix race condition on PG_dcache_clean in __sync_icache_dcache()
ARM: 9471/1: module: fix unwind section relocation out of range error
fs/adfs: validate nzones in adfs_validate_bblk()
ARM: provide individual is_translation_fault() and is_permission_fault()
ARM: move FSR fault status definitions before fsr_fs()
ARM: use BIT() and GENMASK() for fault status register fields
ARM: move is_permission_fault() and is_translation_fault() to fault.h
ARM: move vmalloc() lazy-page table population
ARM: ensure interrupts are enabled in __do_user_fault()
- Fix accounting of persistent ring buffer rewind
On boot up, the head page is moved back to the earliest point of
the saved ring buffer. This is because the ring buffer being read by
user space on a crash may not save the part it read. Rewinding the head
page back to the earliest saved position helps keep those events from
being lost.
The number of events is also read during boot up and displayed in the
stats file in the tracefs directory. It's also used for other accounting
as well. On boot up, the "reader page" is accounted for but a rewind may
put it back into the buffer and then the reader page may be accounted
for again.
Save off the original reader page and skip accounting it when scanning
the pages in the ring buffer.
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Merge tag 'trace-ring-buffer-v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull ring-buffer fix from Steven Rostedt:
- Fix accounting of persistent ring buffer rewind
On boot up, the head page is moved back to the earliest point of the
saved ring buffer. This is because the ring buffer being read by user
space on a crash may not save the part it read. Rewinding the head
page back to the earliest saved position helps keep those events from
being lost.
The number of events is also read during boot up and displayed in the
stats file in the tracefs directory. It's also used for other
accounting as well. On boot up, the "reader page" is accounted for
but a rewind may put it back into the buffer and then the reader page
may be accounted for again.
Save off the original reader page and skip accounting it when
scanning the pages in the ring buffer.
* tag 'trace-ring-buffer-v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Do not double count the reader_page
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Merge tag 'block-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Series for zloop, fixing a variety of issues
- t10-pi code cleanup
- Fix for a merge window regression with the bio memory allocation mask
- Fix for a merge window regression in ublk, caused by an issue with
the maple tree iteration code at teardown
- ublk self tests additions
- Zoned device pgmap fixes
- Various little cleanups and fixes
* tag 'block-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (21 commits)
Revert "floppy: fix reference leak on platform_device_register() failure"
ublk: avoid unpinning pages under maple tree spinlock
ublk: refactor common helper ublk_shmem_remove_ranges()
ublk: fix maple tree lockdep warning in ublk_buf_cleanup
selftests: ublk: add ublk auto integrity test
selftests: ublk: enable test_integrity_02.sh on fio 3.42
selftests: ublk: remove unused argument to _cleanup
block: only restrict bio allocation gfp mask asked to block
block/blk-throttle: Add WQ_PERCPU to alloc_workqueue users
block: Add WQ_PERCPU to alloc_workqueue users
block: relax pgmap check in bio_add_page for compatible zone device pages
block: add pgmap check to biovec_phys_mergeable
floppy: fix reference leak on platform_device_register() failure
ublk: use unchecked copy helpers for bio page data
t10-pi: reduce ref tag code duplication
zloop: remove irq-safe locking
zloop: factor out zloop_mark_{full,empty} helpers
zloop: set RQF_QUIET when completing requests on deleted devices
zloop: improve the unaligned write pointer warning
zloop: use vfs_truncate
...
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Merge tag 'io_uring-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Fix for a NOMMU bug with io_uring, where NOMMU doesn't grab page refs
at mmap time. NOMMU also has entirely broken FOLL_PIN support, yet
here we are
- A few fixes covering minor issues introduced in this merge window
- data race annotation to shut up KCSAN for when io-wq limits are
applied
- A nospec addition for direct descriptor file updating. Rest of the
direct descriptor path already had this, but for some reason the
update did not. Now they are all the same
- Various minor defensive changes that claude identified and suggested
terrible fixes for, turned into actually useful cleanups:
- Use kvfree() for the imu cache. These can come from kmalloc or
vmalloc depending on size, but the in-cache ones are capped
where it's always kmalloc based. Change to kvfree() in the
cleanup path, making future changes unlikely to mess that up
- Negative kbuf consumption lengths. Can't happen right now, but
cqe->res is used directly, which if other codes changes could
then be an error value
- Fix for an issue with the futex code, where partial wakes on a
vectored fuxes would potentially wake the same futex twice, rather
than move on to the next one. This could confuse an application as it
would've expected the next futex to have been woken
- Fix for a bug with ring resizing, where SQEs or CQEs might not have
been copied correctly if large SQEs or CQEs are used in the ring.
Application side issue, where SQEs or CQEs might have been lost
during resize
- Fix for a bug where EPOLL_URING_WAKE might have been lost, causing a
multishot poll to not be terminated when it's nested, like it should
have been
- Fix for an issue with signed comparison of poll references for the
slow path
- Fix for a user struct UAF in the zcrx code
- Two minor zcrx cleanups
* tag 'io_uring-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring: take page references for NOMMU pbuf_ring mmaps
io_uring/poll: ensure EPOLL_ONESHOT is propagated for EPOLL_URING_WAKE
io_uring/zcrx: warn on freelist violations
io_uring/zcrx: clear RQ headers on init
io_uring/zcrx: fix user_struct uaf
io_uring/register: fix ring resizing with mixed/large SQEs/CQEs
io_uring/futex: ensure partial wakes are appropriately dequeued
io_uring/rw: add defensive hardening for negative kbuf lengths
io_uring/rsrc: use kvfree() for the imu cache
io_uring/rsrc: unify nospec indexing for direct descriptors
io_uring: fix spurious fput in registered ring path
io_uring: fix iowq_limits data race in tctx node addition
io_uring/tctx: mark io_wq as exiting before error path teardown
io_uring/tctx: check for setup tctx->io_wq before teardown
io_uring/poll: fix signed comparison in io_poll_get_ownership()
