Current errseq implementation depends on a very special precondition that
macro MAX_ERRNO must be (2^n - 1).
Eliminate the limitation by
- redefining macro ERRSEQ_SHIFT
- defining a new macro ERRNO_MASK instead of MAX_ERRNO for errno mask.
There is no plan to change the value of MAX_ERRNO, but this makes the
implementation more generic and eliminates the BUILD_BUG_ON().
Link: https://lkml.kernel.org/r/20250407-improve_errseq-v1-1-7b27cbeb8298@quicinc.com
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
In some places in the kernel there is a design pattern for sysfs
attributes to use kstrtobool() in store() and str_enabled_disabled() in
show().
This is counterintuitive to interact with because kstrtobool() takes
on/off but str_enabled_disabled() shows enabled/disabled. Some of those
sysfs uses could switch to str_on_off() but for some attributes
enabled/disabled really makes more sense.
Add support for kstrtobool() to accept enabled/disabled.
Link: https://lkml.kernel.org/r/20250321022538.1532445-1-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
While the natural choice of PTR_IF() is kconfig.h, the latter is too broad
to include C code and actually the macro was moved out from there in the
past. But kernel.h is neither a good choice for that. Move it to
util_macros.h. Do the same for u64_to_user_ptr().
While moving, add necessary documentation.
Link: https://lkml.kernel.org/r/20250324105228.775784-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Alexandru Ardelean <aardelean@baylibre.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "kernel.h: Move out a couple of macros and constants".
kernel.h hosts a couple of macros and constants that may be better placed.
Do that. Also add missing documentation. No functional changes
intended.
This patch (of 2):
Headers shouldn't be forced to include <linux/kernel.h> just to
gain these simple constants.
Link: https://lkml.kernel.org/r/20250324105228.775784-1-andriy.shevchenko@linux.intel.com
Link: https://lkml.kernel.org/r/20250324105228.775784-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Alexandru Ardelean <aardelean@baylibre.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This reduces log-msgs during boot from many pages to ~10 occurrences. I
didn't investigate why it wasn't just 1, maybe its a low-level service to
other modules, re-probed by each of them ?
Link: https://lkml.kernel.org/r/20250325235156.663269-4-jim.cromie@gmail.com
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Louis Chauvet <louis.chauvet@bootlin.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Add a paragraph of advice qualifying the general do-while-0 advice, noting
3 possible misguidings. reduce one ERROR to WARN, for the case I actually
encountered.
And add 'static_assert' to named exceptions, along with some additional
comments about named exceptions vs (detection of) declarative construction
primitives (union, struct, [], etc).
Link: https://lkml.kernel.org/r/20250325235156.663269-3-jim.cromie@gmail.com
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Louis Chauvet <louis.chauvet@bootlin.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "2 checkpatch fixes, one pr_info_once".
2 small tweaks to checkpatch,
1 reducing several pages of powernow "not-relevant-here" log-msgs to a few lines
This patch (of 3):
We currently get:
WARNING: Argument 'name' is not used in function-like macro
on:
#define DRM_CLASSMAP_USE(name) /* nothing here */
Following this advice is wrong here, and shouldn't be fixed by ignoring
args altogether; the macro should properly fail if invoked with 0 or 2+
args.
Link: https://lkml.kernel.org/r/20250325235156.663269-1-jim.cromie@gmail.com
Link: https://lkml.kernel.org/r/20250325235156.663269-2-jim.cromie@gmail.com
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Acked-by: Joe Perches <joe@perches.com>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc:"Rafael J. Wysocki" <rafael@kernel.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
proc_mem_open() can return an errno, NULL, or mm_struct*. If it fails to
acquire mm, it returns NULL, but the caller does not check for the case
when the return value is NULL.
The following conditions lead to failure in acquiring mm:
- The task is a kernel thread (PF_KTHREAD)
- The task is exiting (PF_EXITING)
Changes:
- Add documentation comments for the return value of proc_mem_open().
- Add checks in the caller to return -ESRCH when proc_mem_open()
returns NULL.
Link: https://lkml.kernel.org/r/20250404063357.78891-1-superman.xpt@gmail.com
Reported-by: syzbot+f9238a0a31f9b5603fef@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/000000000000f52642060d4e3750@google.com
Signed-off-by: Penglei Jiang <superman.xpt@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Adrian Ratiu <adrian.ratiu@collabora.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Felix Moessbauer <felix.moessbauer@siemens.com>
Cc: Jeff layton <jlayton@kernel.org>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Thomas Gleinxer <tglx@linutronix.de>
Cc: xu xin <xu.xin16@zte.com.cn>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Replace `sr` with `Sr`. The condition `!tmp1 || rb_is_black(tmp1)`
ensures that `tmp1` (which is `sibling->rb_right`) is either NULL or a
black node. Therefore, the right child of the sibling must be black, and
the example should use `Sr` instead of `sr`.
Link: https://lkml.kernel.org/r/20250403112614.570140-1-johnny1001s000602@gmail.com
Signed-off-by: Chisheng Chen <johnny1001s000602@gmail.com>
Cc: Hsin Chang Yu <zxcvb600870024@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
On Intel TDX guest, unaccepted memory is unusable free memory which is not
managed by buddy, until it's accepted by guest. Before that, it cannot be
accessed by the first kernel as well as the kexec'ed kernel. The kexec'ed
kernel will skip these pages and fill in zero data for the reader of
vmcore.
The dump tool like makedumpfile creates a page descriptor (size 24 bytes)
for each non-free page, including zero data page, but it will not create
descriptor for free pages. If it is not able to distinguish these
unaccepted pages with zero data pages, a certain amount of space will be
wasted in proportion (~1/170). In fact, as a special kind of free page
the unaccepted pages should be excluded, like the real free pages.
Export the page type PAGE_UNACCEPTED_MAPCOUNT_VALUE to vmcoreinfo, so that
dump tool can identify whether a page is unaccepted.
[zhiquan1.li@intel.com: fix docs: "Title underline too short" warning]
Link: https://lore.kernel.org/all/20240809114854.3745464-5-kirill.shutemov@linux.intel.com/
Link: https://lkml.kernel.org/r/20250405060610.860465-1-zhiquan1.li@intel.com
Link: https://lore.kernel.org/all/20240809114854.3745464-5-kirill.shutemov@linux.intel.com/
Link: https://lkml.kernel.org/r/20250403030801.758687-1-zhiquan1.li@intel.com
Signed-off-by: Zhiquan Li <zhiquan1.li@intel.com>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Zhiquan Li <zhiquan1.li@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
When initcall_debug is specified on the command line, the start and return
point for each initcall is printed. However, no information on the
initcall level is reported.
Add to the initcall_debug infrastructure an additional print that informs
when a new initcall level is entered. This is particularly useful when
debugging dependency chains and/or working on boot time reduction.
Link: https://lkml.kernel.org/r/20250316205014.2830071-2-francesco@valla.it
Signed-off-by: Francesco Valla <francesco@valla.it>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tim Bird <tim.bird@sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
It is useful to be able to access current->mm at task exit to, say, record
a bunch of VMA information right before the task exits (e.g., for stack
symbolization reasons when dealing with short-lived processes that exit in
the middle of profiling session). Currently, trace_sched_process_exit()
is triggered after exit_mm() which resets current->mm to NULL making this
tracepoint unsuitable for inspecting and recording task's
mm_struct-related data when tracing process lifetimes.
There is a particularly suitable place, though, right after
taskstats_exit() is called, but before we do exit_mm() and other exit_*()
resource teardowns. taskstats performs a similar kind of accounting that
some applications do with BPF, and so co-locating them seems like a good
fit. So that's where trace_sched_process_exit() is moved with this patch.
Also, existing trace_sched_process_exit() tracepoint is notoriously
missing `group_dead` flag that is certainly useful in practice and some of
our production applications have to work around this. So plumb
`group_dead` through while at it, to have a richer and more complete
tracepoint.
Note that we can't use sched_process_template anymore, and so we use
TRACE_EVENT()-based tracepoint definition. But all the field names and
order, as well as assign and output logic remain intact. We just add one
extra field at the end in backwards-compatible way.
[andrii@kernel.org: document sched_process_exit and sched_process_template relation]
Link: https://lkml.kernel.org/r/20250403174120.4087794-1-andrii@kernel.org
Link: https://lkml.kernel.org/r/20250402180925.90914-1-andrii@kernel.org
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Suggested-by: Ingo Molnar <mingo@kernel.org>
Cc: Alexander Potapenko <glider@google.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* Avoid use of uninitialized memcache pointer in user_mem_abort()
* Always set HCR_EL2.xMO bits when running in VHE, allowing interrupts
to be taken while TGE=0 and fixing an ugly bug on AmpereOne that
occurs when taking an interrupt while clearing the xMO bits
(AC03_CPU_36)
* Prevent VMMs from hiding support for AArch64 at any EL virtualized by
KVM
* Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
* Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
RISC-V:
* Add missing reset of smstateen CSRs
x86:
* Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid causing
problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to sanitize the
VMCB as its state is undefined after SHUTDOWN, emulating INIT is the
least awful choice).
* Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
* Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a stale
root.
* When dumping GHCB state, use KVM's snapshot instead of the raw GHCB page
to print state, so that KVM doesn't print stale/wrong information.
* When changing memory attributes (e.g. shared <=> private), add potential
hugepage ranges to the mmu_invalidate_range_{start,end} set so that KVM
doesn't create a shared/private hugepage when the the corresponding
attributes will become mixed (the attributes are commited *after* KVM
finishes the invalidation).
* Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM has at
least one active VM. Effectively BP_SPEC_REDUCE when KVM is loaded led
to very measurable performance regressions for non-KVM workloads.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"ARM:
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing
interrupts to be taken while TGE=0 and fixing an ugly bug on
AmpereOne that occurs when taking an interrupt while clearing the
xMO bits (AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized
by KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
RISC-V:
- Add missing reset of smstateen CSRs
x86:
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid
causing problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to
sanitize the VMCB as its state is undefined after SHUTDOWN,
emulating INIT is the least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a
stale root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB
page to print state, so that KVM doesn't print stale/wrong
information.
- When changing memory attributes (e.g. shared <=> private), add
potential hugepage ranges to the mmu_invalidate_range_{start,end}
set so that KVM doesn't create a shared/private hugepage when the
the corresponding attributes will become mixed (the attributes are
commited *after* KVM finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM
has at least one active VM. Effectively BP_SPEC_REDUCE when KVM is
loaded led to very measurable performance regressions for non-KVM
workloads"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Set/clear SRSO's BP_SPEC_REDUCE on 0 <=> 1 VM count transitions
KVM: arm64: Fix memory check in host_stage2_set_owner_locked()
KVM: arm64: Kill HCRX_HOST_FLAGS
KVM: arm64: Properly save/restore HCRX_EL2
KVM: arm64: selftest: Don't try to disable AArch64 support
KVM: arm64: Prevent userspace from disabling AArch64 support at any virtualisable EL
KVM: arm64: Force HCR_EL2.xMO to 1 at all times in VHE mode
KVM: arm64: Fix uninitialized memcache pointer in user_mem_abort()
KVM: x86/mmu: Prevent installing hugepages when mem attributes are changing
KVM: SVM: Update dump_ghcb() to use the GHCB snapshot fields
KVM: RISC-V: reset smstateen CSRs
KVM: x86/mmu: Check and free obsolete roots in kvm_mmu_reload()
KVM: x86: Check that the high 32bits are clear in kvm_arch_vcpu_ioctl_run()
KVM: SVM: Forcibly leave SMM mode on SHUTDOWN interception
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"Fix a boot regression on very old x86 CPUs without CPUID support"
* tag 'x86-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Consolidate the loader enablement checking
- Fix time keeping bugs in CLOCK_MONOTONIC_COARSE clocks
- Work around absolute relocations into vDSO code that
GCC erroneously emits in certain arm64 build environments
- Fix a false positive lockdep warning in the i8253 clocksource
driver
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc timers fixes from Ingo Molnar:
- Fix time keeping bugs in CLOCK_MONOTONIC_COARSE clocks
- Work around absolute relocations into vDSO code that GCC erroneously
emits in certain arm64 build environments
- Fix a false positive lockdep warning in the i8253 clocksource driver
* tag 'timers-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/i8253: Use raw_spinlock_irqsave() in clockevent_i8253_disable()
arm64: vdso: Work around invalid absolute relocations from GCC
timekeeping: Prevent coarse clocks going backwards
- Synaptics touchpad on multiple laptops (Dynabook Portege X30L-G,
Dynabook Portege X30-D, TUXEDO InfinityBook Pro 14 v5, Dell
Precision M3800, HP Elitebook 850 G1) switched from PS/2 to SMBus mode
- a number of new controllers added to xpad driver: HORI Drum
controller, PowerA Fusion Pro 4, PowerA MOGA XP-Ultra controller,
8BitDo Ultimate 2 Wireless Controller, 8BitDo Ultimate 3-mode
Controller, Hyperkin DuchesS Xbox One controller
- fixes to xpad driver to properly handle Mad Catz JOYTECH NEO SE
Advanced and PDP Mirror's Edge Official controllers
- fixes to xpad driver to properly handle "Share" button on some
controllers
- a fix for device initialization timing and for waking up the
controller in cyttsp5 driver
- a fix for hisi_powerkey driver to properly wake up from s2idle state
- other assorted cleanups and fixes.
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Merge tag 'input-for-v6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- Synaptics touchpad on multiple laptops (Dynabook Portege X30L-G,
Dynabook Portege X30-D, TUXEDO InfinityBook Pro 14 v5, Dell Precision
M3800, HP Elitebook 850 G1) switched from PS/2 to SMBus mode
- a number of new controllers added to xpad driver: HORI Drum
controller, PowerA Fusion Pro 4, PowerA MOGA XP-Ultra controller,
8BitDo Ultimate 2 Wireless Controller, 8BitDo Ultimate 3-mode
Controller, Hyperkin DuchesS Xbox One controller
- fixes to xpad driver to properly handle Mad Catz JOYTECH NEO SE
Advanced and PDP Mirror's Edge Official controllers
- fixes to xpad driver to properly handle "Share" button on some
controllers
- a fix for device initialization timing and for waking up the
controller in cyttsp5 driver
- a fix for hisi_powerkey driver to properly wake up from s2idle state
- other assorted cleanups and fixes
* tag 'input-for-v6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - fix xpad_device sorting
Input: xpad - add support for several more controllers
Input: xpad - fix Share button on Xbox One controllers
Input: xpad - fix two controller table values
Input: hisi_powerkey - enable system-wakeup for s2idle
Input: synaptics - enable InterTouch on Dell Precision M3800
Input: synaptics - enable InterTouch on TUXEDO InfinityBook Pro 14 v5
Input: synaptics - enable InterTouch on Dynabook Portege X30L-G
Input: synaptics - enable InterTouch on Dynabook Portege X30-D
Input: synaptics - enable SMBus for HP Elitebook 850 G1
Input: mtk-pmic-keys - fix possible null pointer dereference
Input: xpad - add support for 8BitDo Ultimate 2 Wireless Controller
Input: cyttsp5 - fix power control issue on wakeup
MAINTAINERS: .mailmap: update Mattijs Korpershoek's email address
dt-bindings: mediatek,mt6779-keypad: Update Mattijs' email address
Input: stmpe-ts - use module alias instead of device table
Input: cyttsp5 - ensure minimum reset pulse width
Input: sparcspkr - avoid unannotated fall-through
input/joystick: magellan: Mark __nonstring look-up table
* Mark set_high_memory() as __init to fix section mismatch
* Accept memory allocated in memblock_double_array() to mitigate crash of SNP
guests
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Merge tag 'fixes-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fixes from Mike Rapoport:
- Mark set_high_memory() as __init to fix section mismatch
- Accept memory allocated in memblock_double_array() to mitigate crash
of SNP guests
* tag 'fixes-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: Accept allocated memory before use in memblock_double_array()
mm,mm_init: Mark set_high_memory as __init
A recent commit put one entry in the wrong place. This just moves it to the
right place.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-5-vi@endrift.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This adds support for several new controllers, all of which include
Share buttons:
- HORI Drum controller
- PowerA Fusion Pro 4
- 8BitDo Ultimate 3-mode Controller
- Hyperkin DuchesS Xbox One controller
- PowerA MOGA XP-Ultra controller
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-4-vi@endrift.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The Share button, if present, is always one of two offsets from the end of the
file, depending on the presence of a specific interface. As we lack parsing for
the identify packet we can't automatically determine the presence of that
interface, but we can hardcode which of these offsets is correct for a given
controller.
More controllers are probably fixable by adding the MAP_SHARE_BUTTON in the
future, but for now I only added the ones that I have the ability to test
directly.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-2-vi@endrift.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Two controllers -- Mad Catz JOYTECH NEO SE Advanced and PDP Mirror's
Edge Official -- were missing the value of the mapping field, and thus
wouldn't detect properly.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-1-vi@endrift.com
Fixes: 540602a43a ("Input: xpad - add a few new VID/PID combinations")
Fixes: 3492321e2e ("Input: xpad - add multiple supported devices")
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To wake up the system from s2idle when pressing the power-button, let's
convert from using pm_wakeup_event() to pm_wakeup_dev_event(), as it allows
us to specify the "hard" in-parameter, which needs to be set for s2idle.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250306115021.797426-1-ulf.hansson@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
or aren't considered necessary for -stable kernels.
About half are for MM. Five OCFS2 fixes and a few MAINTAINERS updates.
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Merge tag 'mm-hotfixes-stable-2025-05-10-14-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"22 hotfixes. 13 are cc:stable and the remainder address post-6.14
issues or aren't considered necessary for -stable kernels.
About half are for MM. Five OCFS2 fixes and a few MAINTAINERS updates"
* tag 'mm-hotfixes-stable-2025-05-10-14-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
mm: fix folio_pte_batch() on XEN PV
nilfs2: fix deadlock warnings caused by lock dependency in init_nilfs()
mm/hugetlb: copy the CMA flag when demoting
mm, swap: fix false warning for large allocation with !THP_SWAP
selftests/mm: fix a build failure on powerpc
selftests/mm: fix build break when compiling pkey_util.c
mm: vmalloc: support more granular vrealloc() sizing
tools/testing/selftests: fix guard region test tmpfs assumption
ocfs2: stop quota recovery before disabling quotas
ocfs2: implement handshaking with ocfs2 recovery thread
ocfs2: switch osb->disable_recovery to enum
mailmap: map Uwe's BayLibre addresses to a single one
MAINTAINERS: add mm THP section
mm/userfaultfd: fix uninitialized output field for -EAGAIN race
selftests/mm: compaction_test: support platform with huge mount of memory
MAINTAINERS: add core mm section
ocfs2: fix panic in failed foilio allocation
mm/huge_memory: fix dereferencing invalid pmd migration entry
MAINTAINERS: add reverse mapping section
x86: disable image size check for test builds
...
Here is a single driver core fix for a regression for platform devices
that is a regression from a change that went into 6.15-rc1 that affected
Pixel devices. It has been in linux-next for over a week with no
reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core fix for a regression for platform devices
that is a regression from a change that went into 6.15-rc1 that
affected Pixel devices. It has been in linux-next for over a week with
no reported problems"
* tag 'driver-core-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
platform: Fix race condition during DMA configure at IOMMU probe time
Here are some small USB driver fixes for 6.15-rc6. Included in here
are:
- typec driver fixes
- usbtmc ioctl fixes
- xhci driver fixes
- cdnsp driver fixes
- some gadget driver fixes
Nothing really major, just all little stuff that people have reported
being issues. All of these have been in linux-next this week with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes for 6.15-rc6. Included in here
are:
- typec driver fixes
- usbtmc ioctl fixes
- xhci driver fixes
- cdnsp driver fixes
- some gadget driver fixes
Nothing really major, just all little stuff that people have reported
being issues. All of these have been in linux-next this week with no
reported issues"
* tag 'usb-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: dbc: Avoid event polling busyloop if pending rx transfers are inactive.
usb: xhci: Don't trust the EP Context cycle bit when moving HW dequeue
usb: usbtmc: Fix erroneous generic_read ioctl return
usb: usbtmc: Fix erroneous wait_srq ioctl return
usb: usbtmc: Fix erroneous get_stb ioctl error returns
usb: typec: tcpm: delay SNK_TRY_WAIT_DEBOUNCE to SRC_TRYWAIT transition
USB: usbtmc: use interruptible sleep in usbtmc_read
usb: cdnsp: fix L1 resume issue for RTL_REVISION_NEW_LPM version
usb: typec: ucsi: displayport: Fix NULL pointer access
usb: typec: ucsi: displayport: Fix deadlock
usb: misc: onboard_usb_dev: fix support for Cypress HX3 hubs
usb: uhci-platform: Make the clock really optional
usb: dwc3: gadget: Make gadget_wakeup asynchronous
usb: gadget: Use get_status callback to set remote wakeup capability
usb: gadget: f_ecm: Add get_status callback
usb: host: tegra: Prevent host controller crash when OTG port is used
usb: cdnsp: Fix issue with resuming from L1
usb: gadget: tegra-xudc: ACK ST_RC after clearing CTRL_RUN
Here are three small staging driver fixes for 6.15-rc6. These are:
- bcm2835-camera driver fix
- two axis-fifo driver fixes
All of these have been in linux-next for a few weeks with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are three small staging driver fixes for 6.15-rc6. These are:
- bcm2835-camera driver fix
- two axis-fifo driver fixes
All of these have been in linux-next for a few weeks with no reported
issues"
* tag 'staging-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: axis-fifo: Remove hardware resets for user errors
staging: axis-fifo: Correct handling of tx_fifo_depth for size validation
staging: bcm2835-camera: Initialise dev in v4l2_dev
Here are a bunch of small driver fixes (mostly all IIO) for 6.15-rc6.
Included in here are:
- loads of tiny IIO driver fixes for reported issues
- hyperv driver fix for a much-reported and worked on sysfs ring
buffer creation bug
All of these have been in linux-next for over a week (the IIO ones for
many weeks now), with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/IIO driver fixes from Greg KH:
"Here are a bunch of small driver fixes (mostly all IIO) for 6.15-rc6.
Included in here are:
- loads of tiny IIO driver fixes for reported issues
- hyperv driver fix for a much-reported and worked on sysfs ring
buffer creation bug
All of these have been in linux-next for over a week (the IIO ones for
many weeks now), with no reported issues"
* tag 'char-misc-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (30 commits)
Drivers: hv: Make the sysfs node size for the ring buffer dynamic
uio_hv_generic: Fix sysfs creation path for ring buffer
iio: adis16201: Correct inclinometer channel resolution
iio: adc: ad7606: fix serial register access
iio: pressure: mprls0025pa: use aligned_s64 for timestamp
iio: imu: adis16550: align buffers for timestamp
staging: iio: adc: ad7816: Correct conditional logic for store mode
iio: adc: ad7266: Fix potential timestamp alignment issue.
iio: adc: ad7768-1: Fix insufficient alignment of timestamp.
iio: adc: dln2: Use aligned_s64 for timestamp
iio: accel: adxl355: Make timestamp 64-bit aligned using aligned_s64
iio: temp: maxim-thermocouple: Fix potential lack of DMA safe buffer.
iio: chemical: pms7003: use aligned_s64 for timestamp
iio: chemical: sps30: use aligned_s64 for timestamp
iio: imu: inv_mpu6050: align buffer for timestamp
iio: imu: st_lsm6dsx: Fix wakeup source leaks on device unbind
iio: adc: qcom-spmi-iadc: Fix wakeup source leaks on device unbind
iio: accel: fxls8962af: Fix wakeup source leaks on device unbind
iio: adc: ad7380: fix event threshold shift
iio: hid-sensor-prox: Fix incorrect OFFSET calculation
...
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
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Merge tag 'i2c-for-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
* tag 'i2c-for-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: Remove entry for Seth Heasley
i2c: omap: fix deprecated of_property_read_bool() use
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Merge tag 'for-linus-6.15a-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- A fix for the xenbus driver allowing to use a PVH Dom0 with
Xenstore running in another domain
- A fix for the xenbus driver addressing a rare race condition
resulting in NULL dereferences and other problems
- A fix for the xen-swiotlb driver fixing a problem seen on Arm
platforms
* tag 'for-linus-6.15a-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xenbus: Use kref to track req lifetime
xenbus: Allow PVH dom0 a non-local xenstore
xen: swiotlb: Use swiotlb bouncing if kmalloc allocation demands it
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull mount fixes from Al Viro:
"A couple of races around legalize_mnt vs umount (both fairly old and
hard to hit) plus two bugs in move_mount(2) - both around 'move
detached subtree in place' logics"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix IS_MNT_PROPAGATING uses
do_move_mount(): don't leak MNTNS_PROPAGATING on failures
do_umount(): add missing barrier before refcount checks in sync case
__legitimize_mnt(): check for MNT_SYNC_UMOUNT should be under mount_lock
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid causing
problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to sanitize the
VMCB as its state is undefined after SHUTDOWN, emulating INIT is the
least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a stale
root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB page
to print state, so that KVM doesn't print stale/wrong information.
- When changing memory attributes (e.g. shared <=> private), add potential
hugepage ranges to the mmu_invalidate_range_{start,end} set so that KVM
doesn't create a shared/private hugepage when the the corresponding
attributes will become mixed (the attributes are commited *after* KVM
finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM has at
least one active VM. Effectively BP_SPEC_REDUCE when KVM is loaded led
to very measurable performance regressions for non-KVM workloads.
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Merge tag 'kvm-x86-fixes-6.15-rcN' of https://github.com/kvm-x86/linux into HEAD
KVM x86 fixes for 6.15-rcN
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid causing
problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to sanitize the
VMCB as its state is undefined after SHUTDOWN, emulating INIT is the
least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a stale
root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB page
to print state, so that KVM doesn't print stale/wrong information.
- When changing memory attributes (e.g. shared <=> private), add potential
hugepage ranges to the mmu_invalidate_range_{start,end} set so that KVM
doesn't create a shared/private hugepage when the the corresponding
attributes will become mixed (the attributes are commited *after* KVM
finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM has at
least one active VM. Effectively BP_SPEC_REDUCE when KVM is loaded led
to very measurable performance regressions for non-KVM workloads.
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing interrupts
to be taken while TGE=0 and fixing an ugly bug on AmpereOne that
occurs when taking an interrupt while clearing the xMO bits
(AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized by
KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
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Merge tag 'kvmarm-fixes-6.15-3' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.15, round #3
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing interrupts
to be taken while TGE=0 and fixing an ugly bug on AmpereOne that
occurs when taking an interrupt while clearing the xMO bits
(AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized by
KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
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Merge tag 'i2c-host-fixes-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.15-rc6
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
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Merge tag '6.15-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- Fix dentry leak which can cause umount crash
- Add warning for parse contexts error on compounded operation
* tag '6.15-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: Avoid race in open_cached_dir with lease breaks
smb3 client: warn when parse contexts returns error on compounded operation
propagate_mnt() does not attach anything to mounts created during
propagate_mnt() itself. What's more, anything on ->mnt_slave_list
of such new mount must also be new, so we don't need to even look
there.
When move_mount() had been introduced, we've got an additional
class of mounts to skip - if we are moving from anon namespace,
we do not want to propagate to mounts we are moving (i.e. all
mounts in that anon namespace).
Unfortunately, the part about "everything on their ->mnt_slave_list
will also be ignorable" is not true - if we have propagation graph
A -> B -> C
and do OPEN_TREE_CLONE open_tree() of B, we get
A -> [B <-> B'] -> C
as propagation graph, where B' is a clone of B in our detached tree.
Making B private will result in
A -> B' -> C
C still gets propagation from A, as it would after making B private
if we hadn't done that open_tree(), but now the propagation goes
through B'. Trying to move_mount() our detached tree on subdirectory
in A should have
* moved B' on that subdirectory in A
* skipped the corresponding subdirectory in B' itself
* copied B' on the corresponding subdirectory in C.
As it is, the logics in propagation_next() and friends ends up
skipping propagation into C, since it doesn't consider anything
downstream of B'.
IOW, walking the propagation graph should only skip the ->mnt_slave_list
of new mounts; the only places where the check for "in that one
anon namespace" are applicable are propagate_one() (where we should
treat that as the same kind of thing as "mountpoint we are looking
at is not visible in the mount we are looking at") and
propagation_would_overmount(). The latter is better dealt with
in the caller (can_move_mount_beneath()); on the first call of
propagation_would_overmount() the test is always false, on the
second it is always true in "move from anon namespace" case and
always false in "move within our namespace" one, so it's easier
to just use check_mnt() before bothering with the second call and
be done with that.
Fixes: 064fe6e233 ("mount: handle mount propagation for detached mount trees")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
as it is, a failed move_mount(2) from anon namespace breaks
all further propagation into that namespace, including normal
mounts in non-anon namespaces that would otherwise propagate
there.
Fixes: 064fe6e233 ("mount: handle mount propagation for detached mount trees")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
do_umount() analogue of the race fixed in 119e1ef80e "fix
__legitimize_mnt()/mntput() race". Here we want to make sure that
if __legitimize_mnt() doesn't notice our lock_mount_hash(), we will
notice their refcount increment. Harder to hit than mntput_no_expire()
one, fortunately, and consequences are milder (sync umount acting
like umount -l on a rare race with RCU pathwalk hitting at just the
wrong time instead of use-after-free galore mntput_no_expire()
counterpart used to be hit). Still a bug...
Fixes: 48a066e72d ("RCU'd vfsmounts")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
... or we risk stealing final mntput from sync umount - raising mnt_count
after umount(2) has verified that victim is not busy, but before it
has set MNT_SYNC_UMOUNT; in that case __legitimize_mnt() doesn't see
that it's safe to quietly undo mnt_count increment and leaves dropping
the reference to caller, where it'll be a full-blown mntput().
Check under mount_lock is needed; leaving the current one done before
taking that makes no sense - it's nowhere near common enough to bother
with.
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Toolchain and infrastructure:
- Make CFI_AUTO_DEFAULT depend on !RUST or Rust >= 1.88.0.
- Clean Rust (and Clippy) lints for the upcoming Rust 1.87.0 and Rust
1.88.0 releases.
- Clean objtool warning for the upcoming Rust 1.87.0 release by adding
one more noreturn function.
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Merge tag 'rust-fixes-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust fixes from Miguel Ojeda:
- Make CFI_AUTO_DEFAULT depend on !RUST or Rust >= 1.88.0
- Clean Rust (and Clippy) lints for the upcoming Rust 1.87.0 and 1.88.0
releases
- Clean objtool warning for the upcoming Rust 1.87.0 release by adding
one more noreturn function
* tag 'rust-fixes-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
x86/Kconfig: make CFI_AUTO_DEFAULT depend on !RUST or Rust >= 1.88
rust: clean Rust 1.88.0's `clippy::uninlined_format_args` lint
rust: clean Rust 1.88.0's warning about `clippy::disallowed_macros` configuration
rust: clean Rust 1.88.0's `unnecessary_transmutes` lint
rust: allow Rust 1.87.0's `clippy::ptr_eq` lint
objtool/rust: add one more `noreturn` Rust function for Rust 1.87.0
drm:
- Fix overflow when generating wedged event
ttm:
- Fix documentation
- Remove struct ttm_backup
panel:
- simple: Fix timings for AUO G101EVN010
amdgpu:
- DC FP fixes
- Freesync fix
- DMUB AUX fixes
- VCN fix
- Hibernation fixes
- HDP fixes
xe:
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
i915:
- Fix oops on resume after disconnecting DP MST sinks during suspend
- Fix SPLC num_waiters refcounting
ivpu:
- Increase timeouts
- Fix deadlock in cmdq ioctl
- Unlock mutices in correct order
v3d:
- Avoid memory leak in job handling
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Merge tag 'drm-fixes-2025-05-10' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly drm fixes, bit bigger than last week, but overall amdgpu/xe
with some ivpu bits and a random few fixes, and dropping the
ttm_backup struct which wrapped struct file and was recently
frowned at.
drm:
- Fix overflow when generating wedged event
ttm:
- Fix documentation
- Remove struct ttm_backup
panel:
- simple: Fix timings for AUO G101EVN010
amdgpu:
- DC FP fixes
- Freesync fix
- DMUB AUX fixes
- VCN fix
- Hibernation fixes
- HDP fixes
xe:
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
i915:
- Fix oops on resume after disconnecting DP MST sinks during suspend
- Fix SPLC num_waiters refcounting
ivpu:
- Increase timeouts
- Fix deadlock in cmdq ioctl
- Unlock mutices in correct order
v3d:
- Avoid memory leak in job handling"
* tag 'drm-fixes-2025-05-10' of https://gitlab.freedesktop.org/drm/kernel: (32 commits)
drm/i915/dp: Fix determining SST/MST mode during MTP TU state computation
drm/xe: Add config control for svm flush work
drm/xe: Release force wake first then runtime power
drm/xe/gsc: do not flush the GSC worker from the reset path
drm/xe/tests/mocs: Hold XE_FORCEWAKE_ALL for LNCF regs
drm/xe: Add page queue multiplier
drm/amdgpu/hdp7: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp6: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp5.2: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp5: use memcfg register to post the write for HDP flush
drm/amdgpu/hdp4: use memcfg register to post the write for HDP flush
drm/amdgpu: fix pm notifier handling
Revert "drm/amd: Stop evicting resources on APUs in suspend"
drm/amdgpu/vcn: using separate VCN1_AON_SOC offset
drm/amd/display: Fix wrong handling for AUX_DEFER case
drm/amd/display: Copy AUX read reply data whenever length > 0
drm/amd/display: Remove incorrect checking in dmub aux handler
drm/amd/display: Fix the checking condition in dmub aux handling
drm/amd/display: Shift DMUB AUX reply command if necessary
drm/amd/display: Call FP Protect Before Mode Programming/Mode Support
...
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
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Merge tag 'drm-xe-fixes-2025-05-09' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Prevent PF queue overflow
- Hold all forcewake during mocs test
- Remove GSC flush on reset path
- Fix forcewake put on error path
- Fix runtime warning when building without svm
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/jffqa56f2zp4i5ztz677cdspgxhnw7qfop3dd3l2epykfpfvza@q2nw6wapsphz
section as it is accessed very early during boot with the MMU off and
before the .bss has been initialised. This can lead to incorrect idmap
page table.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Move the arm64_use_ng_mappings variable from the .bss to the .data
section as it is accessed very early during boot with the MMU off and
before the .bss has been initialised.
This could lead to incorrect idmap page table"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: cpufeature: Move arm64_use_ng_mappings to the .data section to prevent wrong idmap generation
* The compressed half-word misaligned access instructions (c.lhu, c.lh,
and c.sh) from the Zcb extension are now properly emulated.
* A series of fixes to properly emulate permissions while handling
userspace misaligned accesses.
* A pair of fixes for PR_GET_TAGGED_ADDR_CTRL to avoid accessing the
envcfg CSR on systems that don't support that CSR, and to report those
failures up to userspace.
* The .rela.dyn section is no longer stripped from vmlinux, as it is
necessary to relocate the kernel under some conditions (including
kexec).
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Merge tag 'riscv-for-linus-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- The compressed half-word misaligned access instructions (c.lhu, c.lh,
and c.sh) from the Zcb extension are now properly emulated
- A series of fixes to properly emulate permissions while handling
userspace misaligned accesses
- A pair of fixes for PR_GET_TAGGED_ADDR_CTRL to avoid accessing the
envcfg CSR on systems that don't support that CSR, and to report
those failures up to userspace
- The .rela.dyn section is no longer stripped from vmlinux, as it is
necessary to relocate the kernel under some conditions (including
kexec)
* tag 'riscv-for-linus-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Disallow PR_GET_TAGGED_ADDR_CTRL without Supm
scripts: Do not strip .rela.dyn section
riscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL
riscv: misaligned: use get_user() instead of __get_user()
riscv: misaligned: enable IRQs while handling misaligned accesses
riscv: misaligned: factorize trap handling
riscv: misaligned: Add handling for ZCB instructions
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Merge tag 'block-6.15-20250509' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Fix for a regression in this series for loop and read/write iterator
handling
- zone append block update tweak
- remove a broken IO priority test
- NVMe pull request via Christoph:
- unblock ctrl state transition for firmware update (Daniel
Wagner)
* tag 'block-6.15-20250509' of git://git.kernel.dk/linux:
block: remove test of incorrect io priority level
nvme: unblock ctrl state transition for firmware update
block: only update request sector if needed
loop: Add sanity check for read/write_iter
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Merge tag 'io_uring-6.15-20250509' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix for linked timeouts arming and firing wrt prep and issue of the
request being managed by the linked timeout
- Fix for a CQE ordering issue between requests with multishot and
using the same buffer group. This is a dumbed down version for this
release and for stable, it'll get improved for v6.16
- Tweak the SQPOLL submit batch size. A previous commit made SQPOLL
manage its own task_work and chose a tiny batch size, bump it from 8
to 32 to fix a performance regression due to that
* tag 'io_uring-6.15-20250509' of git://git.kernel.dk/linux:
io_uring/sqpoll: Increase task_work submission batch size
io_uring: ensure deferred completions are flushed for multishot
io_uring: always arm linked timeouts prior to issue
