From: Mario Limonciello <mario.limonciello@amd.com>
Some platforms include a human presence detection (HPD) sensor. When
enabled and a user is detected a wake event will be emitted from the
sensor fusion hub that software can react to.
Example use cases are "wake from suspend on approach" or to "lock
when leaving".
This is currently enabled by default on supported systems, but users
can't control it. This essentially means that wake on approach is
enabled which is a really surprising behavior to users that don't
expect it.
Instead of defaulting to enabled add a sysfs knob that users can
use to enable the feature if desirable and set it to disabled by
default.
The line
obj-$(INTEL_ISH_FIRMWARE_DOWNLOADER) += intel-ish-hid/
in top-level HID Makefile is both superfluous (as CONFIG_INTEL_ISH_FIRMWARE_DOWNLOADER
depends on CONFIG_INTEL_ISH_HID, which contains intel-ish-hid/ already) and wrong (as it's
missing the CONFIG_ prefix).
Just remove it.
Fixes: 91b228107d ("HID: intel-ish-hid: ISH firmware loader client driver")
Reported-by: Jiri Slaby <jirislaby@kernel.org>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
While looking for incorrect users of the pipe head/tail fields (see
commit c27c66afc449: "fs/pipe: Fix pipe_occupancy() with 16-bit
indexes"), I found a bug in pipe_discard_from() that looked entirely
broken.
However, the fix is trivial: this buggy function isn't actually called
by anything, so let's just remove it ASAP.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add htmldoc annotation for the newly introduced "head_tail" member
describing it to be a union of the pipe_inode_info's @head and @tail
members.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/lkml/20250305204609.5e64768e@canb.auug.org.au/
Fixes: 3d252160b8 ("fs/pipe: Read pipe->{head,tail} atomically outside pipe->mutex")
Signed-off-by: K Prateek Nayak <kprateek.nayak@amd.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The pipe_occupancy() logic implicitly relied on the natural unsigned
modulo arithmetic in C, but that doesn't work for the new 'pipe_index_t'
case, since any arithmetic will be done in 'int' (and here we had also
made it 'unsigned int' due to the function call boundary).
So make the modulo arithmetic explicit by casting the result to the
proper type.
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Swapnil Sapkal <swapnil.sapkal@amd.com>
Cc: Alexey Gladkov <legion@kernel.org>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Link: https://lore.kernel.org/all/CAHk-=wjyHsGLx=rxg6PKYBNkPYAejgo7=CbyL3=HGLZLsAaJFQ@mail.gmail.com/
Fixes: 3d252160b8 ("fs/pipe: Read pipe->{head,tail} atomically outside pipe->mutex")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Correct quickspi device state name and change the list order to follow
device state working flow.
Signed-off-by: Even Xu <even.xu@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
- Other good cleanups
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Merge tag 'x86_microcode_for_v6.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull AMD microcode loading fixes from Borislav Petkov:
- Load only sha256-signed microcode patch blobs
- Other good cleanups
* tag 'x86_microcode_for_v6.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/AMD: Load only SHA256-checksummed patches
x86/microcode/AMD: Add get_patch_level()
x86/microcode/AMD: Get rid of the _load_microcode_amd() forward declaration
x86/microcode/AMD: Merge early_apply_microcode() into its single callsite
x86/microcode/AMD: Remove unused save_microcode_in_initrd_amd() declarations
x86/microcode/AMD: Remove ugly linebreak in __verify_patch_section() signature
During S4 retore flow, quickspi device was resetted by driver and state
was changed to RESETTED. It is needed to be change to ENABLED state
after S4 re-initialization finished, otherwise, device will run in wrong
state and HID input data will be dropped.
Signed-off-by: Even Xu <even.xu@intel.com>
Fixes: 6912aaf3fd ("HID: intel-thc-hid: intel-quickspi: Add PM implementation")
Signed-off-by: Jiri Kosina <jkosina@suse.com>
When HPD is present but has been disabled, avoid reporting HPD status
to PMF.
Cc: Pratap Nirujogi <pratap.nirujogi@amd.com>
Tested-by: Anson Tsao <anson.tsao@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Unless you know to look for it, HPD is a surprising behavior; particularly
because it can wake the system from suspend. It also has implications for
power consumption because sensors are left enabled.
After the sensors have been probed (and HPD is found present), explicitly
turn off HPD by default. Userspace can manually turn it on if desirable.
Cc: Pratap Nirujogi <pratap.nirujogi@amd.com>
Tested-by: Anson Tsao <anson.tsao@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Human presence detection (HPD) sensor uses a camera to determine when
user is physically in front of the machine. This might not be a
desirable behavior because it can (for example) cause the machine to
wake on approach.
Add a new sysfs file "hpd" that will control whether this sensor is
enabled. Use the value of this sysfs file to turn off HPD and prevent
it from re-enabling after resume from suspend.
Cc: Pratap Nirujogi <pratap.nirujogi@amd.com>
Tested-by: Anson Tsao <anson.tsao@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
There is a spelling mistake in a dev_err_once message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Even Xu <even.xu@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
When a hid-steam device is removed it must clean up the client_hdev used for
intercepting hidraw access. This can lead to scheduling deferred work to
reattach the input device. Though the cleanup cancels the deferred work, this
was done before the client_hdev itself is cleaned up, so it gets rescheduled.
This patch fixes the ordering to make sure the deferred work is properly
canceled.
Reported-by: syzbot+0154da2d403396b2bd59@syzkaller.appspotmail.com
Fixes: 79504249d7 ("HID: hid-steam: Move hidraw input (un)registering to work")
Signed-off-by: Vicki Pfau <vi@endrift.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
There is a spelling mistake in a literal string. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Syzkaller reports a NULL pointer dereference issue in input_event().
BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:68 [inline]
BUG: KASAN: null-ptr-deref in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
BUG: KASAN: null-ptr-deref in is_event_supported drivers/input/input.c:67 [inline]
BUG: KASAN: null-ptr-deref in input_event+0x42/0xa0 drivers/input/input.c:395
Read of size 8 at addr 0000000000000028 by task syz-executor199/2949
CPU: 0 UID: 0 PID: 2949 Comm: syz-executor199 Not tainted 6.13.0-rc4-syzkaller-00076-gf097a36ef88d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
kasan_report+0xd9/0x110 mm/kasan/report.c:602
check_region_inline mm/kasan/generic.c:183 [inline]
kasan_check_range+0xef/0x1a0 mm/kasan/generic.c:189
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
is_event_supported drivers/input/input.c:67 [inline]
input_event+0x42/0xa0 drivers/input/input.c:395
input_report_key include/linux/input.h:439 [inline]
key_down drivers/hid/hid-appleir.c:159 [inline]
appleir_raw_event+0x3e5/0x5e0 drivers/hid/hid-appleir.c:232
__hid_input_report.constprop.0+0x312/0x440 drivers/hid/hid-core.c:2111
hid_ctrl+0x49f/0x550 drivers/hid/usbhid/hid-core.c:484
__usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
dummy_timer+0x17f7/0x3960 drivers/usb/gadget/udc/dummy_hcd.c:1993
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1803
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1820
handle_softirqs+0x206/0x8d0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0xfa/0x160 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
__mod_timer+0x8f6/0xdc0 kernel/time/timer.c:1185
add_timer+0x62/0x90 kernel/time/timer.c:1295
schedule_timeout+0x11f/0x280 kernel/time/sleep_timeout.c:98
usbhid_wait_io+0x1c7/0x380 drivers/hid/usbhid/hid-core.c:645
usbhid_init_reports+0x19f/0x390 drivers/hid/usbhid/hid-core.c:784
hiddev_ioctl+0x1133/0x15b0 drivers/hid/usbhid/hiddev.c:794
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl fs/ioctl.c:892 [inline]
__x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
</TASK>
This happens due to the malformed report items sent by the emulated device
which results in a report, that has no fields, being added to the report list.
Due to this appleir_input_configured() is never called, hidinput_connect()
fails which results in the HID_CLAIMED_INPUT flag is not being set. However,
it does not make appleir_probe() fail and lets the event callback to be
called without the associated input device.
Thus, add a check for the HID_CLAIMED_INPUT flag and leave the event hook
early if the driver didn't claim any input_dev for some reason. Moreover,
some other hid drivers accessing input_dev in their event callbacks do have
similar checks, too.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Fixes: 9a4a5574ce ("HID: appleir: add support for Apple ir devices")
Cc: stable@vger.kernel.org
Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Remove the fixup to make the Omoton KB066's F6 key F6 when not holding
Fn. That was really just a hack to allow typing F6 in fnmode>0, and it
didn't fix any of the other F keys that were likewise untypable in
fnmode>0. Instead, because the Omoton's Fn key is entirely internal to
the keyboard, completely disable Fn key translation when an Omoton is
detected, which will prevent the hid-apple driver from interfering with
the keyboard's built-in Fn key handling. All of the F keys, including
F6, are then typable when Fn is held.
The Omoton KB066 and the Apple A1255 both have HID product code
05ac:022c. The self-reported name of every original A1255 when they left
the factory was "Apple Wireless Keyboard". By default, Mac OS changes
the name to "<username>'s keyboard" when pairing with the keyboard, but
Mac OS allows the user to set the internal name of Apple keyboards to
anything they like. The Omoton KB066's name, on the other hand, is not
configurable: It is always "Bluetooth Keyboard". Because that name is so
generic that a user might conceivably use the same name for a real Apple
keyboard, detect Omoton keyboards based on both having that exact name
and having HID product code 022c.
Fixes: 819083cb6e ("HID: apple: fix up the F6 key on the Omoton KB066 keyboard")
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Reviewed-by: Aditya Garg <gargaditya08@live.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
We have two places to print "failed to set a report to ...",
use "get a report from" instead of "set a report to", it makes
people who knows less about the module to know where the error
happened.
Before:
i2c_hid_acpi i2c-FTSC1000:00: failed to set a report to device: -11
After:
i2c_hid_acpi i2c-FTSC1000:00: failed to get a report from device: -11
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
In theory, this code used to return 0 if CONFIG_ACPI_PLATFORM_PROFILE was
disabled. It's not clear if that was a config which would actually boot
so we've removed the CONFIG_ACPI_PLATFORM_PROFILE ifdef. But now the
"return 0;" statement is unreachable and static checker tools complain.
Delete it and pull the else statement in a tab to silence the checker
warning and make the code a bit more clear.
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Ensure that data is treated as __le32 instead of u32 before
applying le32_to_cpu.
This patch fixes the sparse warning "sparse: cast to restricted __le32".
Signed-off-by: Vishnu Sankar <vishnuocv@gmail.com>
Signed-off-by: Vishnu Sankar <vsankar@lenovo.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501101635.qJrwAOwf-lkp@intel.com/
Signed-off-by: Jiri Kosina <jkosina@suse.com>
- Revert reserved-memory 'alignment' property to use '#address-cells'
instead of '#size-cells'. What's in use trumps the spec.
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Merge tag 'devicetree-fixes-for-6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fix from Rob Herring:
- Revert reserved-memory 'alignment' property to use '#address-cells'
instead of '#size-cells'. What's in use trumps the spec.
* tag 'devicetree-fixes-for-6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
Revert "of: reserved-memory: Fix using wrong number of cells to get property 'alignment'"
pipe_readable(), pipe_writable(), and pipe_poll() can read "pipe->head"
and "pipe->tail" outside of "pipe->mutex" critical section. When the
head and the tail are read individually in that order, there is a window
for interruption between the two reads in which both the head and the
tail can be updated by concurrent readers and writers.
One of the problematic scenarios observed with hackbench running
multiple groups on a large server on a particular pipe inode is as
follows:
pipe->head = 36
pipe->tail = 36
hackbench-118762 [057] ..... 1029.550548: pipe_write: *wakes up: pipe not full*
hackbench-118762 [057] ..... 1029.550548: pipe_write: head: 36 -> 37 [tail: 36]
hackbench-118762 [057] ..... 1029.550548: pipe_write: *wake up next reader 118740*
hackbench-118762 [057] ..... 1029.550548: pipe_write: *wake up next writer 118768*
hackbench-118768 [206] ..... 1029.55055X: pipe_write: *writer wakes up*
hackbench-118768 [206] ..... 1029.55055X: pipe_write: head = READ_ONCE(pipe->head) [37]
... CPU 206 interrupted (exact wakeup was not traced but 118768 did read head at 37 in traces)
hackbench-118740 [057] ..... 1029.550558: pipe_read: *reader wakes up: pipe is not empty*
hackbench-118740 [057] ..... 1029.550558: pipe_read: tail: 36 -> 37 [head = 37]
hackbench-118740 [057] ..... 1029.550559: pipe_read: *pipe is empty; wakeup writer 118768*
hackbench-118740 [057] ..... 1029.550559: pipe_read: *sleeps*
hackbench-118766 [185] ..... 1029.550592: pipe_write: *New writer comes in*
hackbench-118766 [185] ..... 1029.550592: pipe_write: head: 37 -> 38 [tail: 37]
hackbench-118766 [185] ..... 1029.550592: pipe_write: *wakes up reader 118766*
hackbench-118740 [185] ..... 1029.550598: pipe_read: *reader wakes up; pipe not empty*
hackbench-118740 [185] ..... 1029.550599: pipe_read: tail: 37 -> 38 [head: 38]
hackbench-118740 [185] ..... 1029.550599: pipe_read: *pipe is empty*
hackbench-118740 [185] ..... 1029.550599: pipe_read: *reader sleeps; wakeup writer 118768*
... CPU 206 switches back to writer
hackbench-118768 [206] ..... 1029.550601: pipe_write: tail = READ_ONCE(pipe->tail) [38]
hackbench-118768 [206] ..... 1029.550601: pipe_write: pipe_full()? (u32)(37 - 38) >= 16? Yes
hackbench-118768 [206] ..... 1029.550601: pipe_write: *writer goes back to sleep*
[ Tasks 118740 and 118768 can then indefinitely wait on each other. ]
The unsigned arithmetic in pipe_occupancy() wraps around when
"pipe->tail > pipe->head" leading to pipe_full() returning true despite
the pipe being empty.
The case of genuine wraparound of "pipe->head" is handled since pipe
buffer has data allowing readers to make progress until the pipe->tail
wraps too after which the reader will wakeup a sleeping writer, however,
mistaking the pipe to be full when it is in fact empty can lead to
readers and writers waiting on each other indefinitely.
This issue became more problematic and surfaced as a hang in hackbench
after the optimization in commit aaec5a95d5 ("pipe_read: don't wake up
the writer if the pipe is still full") significantly reduced the number
of spurious wakeups of writers that had previously helped mask the
issue.
To avoid missing any updates between the reads of "pipe->head" and
"pipe->write", unionize the two with a single unsigned long
"pipe->head_tail" member that can be loaded atomically.
Using "pipe->head_tail" to read the head and the tail ensures the
lockless checks do not miss any updates to the head or the tail and
since those two are only updated under "pipe->mutex", it ensures that
the head is always ahead of, or equal to the tail resulting in correct
calculations.
[ prateek: commit log, testing on x86 platforms. ]
Reported-and-debugged-by: Swapnil Sapkal <swapnil.sapkal@amd.com>
Closes: https://lore.kernel.org/lkml/e813814e-7094-4673-bc69-731af065a0eb@amd.com/
Reported-by: Alexey Gladkov <legion@kernel.org>
Closes: https://lore.kernel.org/all/Z8Wn0nTvevLRG_4m@example.org/
Fixes: 8cefc107ca ("pipe: Use head and tail pointers for the ring, not cursor and length")
Tested-by: Swapnil Sapkal <swapnil.sapkal@amd.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Tested-by: Alexey Gladkov <legion@kernel.org>
Signed-off-by: K Prateek Nayak <kprateek.nayak@amd.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'affs-6.14-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull affs fixes from David Sterba:
"Two fixes from Simon Tatham. They're real bugfixes for problems with
OFS floppy disks created on linux and then read in the emulated
Workbench environment"
* tag 'affs-6.14-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
affs: don't write overlarge OFS data block size fields
affs: generate OFS sequence numbers starting at 1
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Merge tag 'xfs-fixes-6.14-rc6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs cleanups from Carlos Maiolino:
"Just a few cleanups"
* tag 'xfs-fixes-6.14-rc6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: remove the XBF_STALE check from xfs_buf_rele_cached
xfs: remove most in-flight buffer accounting
xfs: decouple buffer readahead from the normal buffer read path
xfs: reduce context switches for synchronous buffered I/O
- probe-events: Some issues are fixed.
. probe-events: Remove unused MAX_ARG_BUF_LEN macro.
MAX_ARG_BUF_LEN is not used so remove it.
. fprobe-events: Log error for exceeding the number of entry args.
Since the max number of entry args is limited, it should be checked
and rejected when the parser detects it.
. tprobe-events: Reject invalid tracepoint name
User can specify an invalid tracepoint name e.g. including '/', then
the new event is not defined correctly in the eventfs.
. tprobe-events: Fix a memory leak when tprobe defined with $retval
There is a memory leak if tprobe is defined with $retval.
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Merge tag 'probes-fixes-v6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probe events fixes from Masami Hiramatsu:
- probe-events: Remove unused MAX_ARG_BUF_LEN macro - it is not used
- fprobe-events: Log error for exceeding the number of entry args.
Since the max number of entry args is limited, it should be checked
and rejected when the parser detects it.
- tprobe-events: Reject invalid tracepoint name
If a user specifies an invalid tracepoint name (e.g. including '/')
then the new event is not defined correctly in the eventfs.
- tprobe-events: Fix a memory leak when tprobe defined with $retval
There is a memory leak if tprobe is defined with $retval.
* tag 'probes-fixes-v6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: probe-events: Remove unused MAX_ARG_BUF_LEN macro
tracing: fprobe-events: Log error for exceeding the number of entry args
tracing: tprobe-events: Reject invalid tracepoint name
tracing: tprobe-events: Fix a memory leak when tprobe with $retval
Driver fixes for:
- tegra210 adma div_u64 divison and max page fixes
- Qualcomm Revert of unavailable register workaround which is causing
regression, fixes have been proposed but still gaps are present so revert
this for now
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Merge tag 'dmaengine-fix-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
- tegra210 div_u64 divison and max page fixes
- revert Qualcomm unavailable register workaround which is causing
regression, fixes have been proposed but still gaps are present so
revert this for now
* tag 'dmaengine-fix-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: Revert "dmaengine: qcom: bam_dma: Avoid writing unavailable register"
dmaengine: tegra210-adma: check for adma max page
dmaengine: tegra210-adma: Use div_u64 for 64 bit division
- rockchip phy kconfig dependency fix with USB_COMMON and regression fix
for old DT
- stm32 phy overflow assertion fix
- exonysfs phy refclk masks fix and power gate on exit fix
- freescale fix for clock dividor valid range
- TI regmap syscon register fix
- tegra reset registers on init fix
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Merge tag 'phy-fixes-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy fixes from Vinod Koul:
- rockchip phy kconfig dependency fix with USB_COMMON and regression
fix for old DT
- stm32 phy overflow assertion fix
- exonysfs phy refclk masks fix and power gate on exit fix
- freescale fix for clock dividor valid range
- TI regmap syscon register fix
- tegra reset registers on init fix
* tag 'phy-fixes-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
phy: tegra: xusb: reset VBUS & ID OVERRIDE
phy: ti: gmii-sel: Do not use syscon helper to build regmap
phy: exynos5-usbdrd: gs101: ensure power is gated to SS phy in phy_exit()
phy: freescale: fsl-samsung-hdmi: Limit PLL lock detection clock divider to valid range
phy: exynos5-usbdrd: fix MPLL_MULTIPLIER and SSC_REFCLKSEL masks in refclk
phy: stm32: Fix constant-value overflow assertion
phy: rockchip: naneng-combphy: compatible reset with old DT
phy: rockchip: fix Kconfig dependency more
- Fix a sporadic boot failure due to incorrect randomization of the
linear map on systems that support it
- Fix the zapping (both clearing the entries *and* invalidating the TLB)
of hugetlb PTEs constructed using the contiguous bit
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Ryan's been hard at work finding and fixing mm bugs in the arm64 code,
so here's a small crop of fixes for -rc5.
The main changes are to fix our zapping of non-present PTEs for
hugetlb entries created using the contiguous bit in the page-table
rather than a block entry at the level above. Prior to these fixes, we
were pulling the contiguous bit back out of the PTE in order to
determine the size of the hugetlb page but this is clearly bogus if
the thing isn't present and consequently both the clearing of the
PTE(s) and the TLB invalidation were unreliable.
Although the problem was found by code inspection, we really don't
want this sitting around waiting to trigger and the changes are CC'd
to stable accordingly.
Note that the diffstat looks a lot worse than it really is;
huge_ptep_get_and_clear() now takes a size argument from the core code
and so all the arch implementations of that have been updated in a
pretty mechanical fashion.
- Fix a sporadic boot failure due to incorrect randomization of the
linear map on systems that support it
- Fix the zapping (both clearing the entries *and* invalidating the
TLB) of hugetlb PTEs constructed using the contiguous bit"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: hugetlb: Fix flush_hugetlb_tlb_range() invalidation level
arm64: hugetlb: Fix huge_ptep_get_and_clear() for non-present ptes
mm: hugetlb: Add huge page size param to huge_ptep_get_and_clear()
arm64/mm: Fix Boot panic on Ampere Altra
- Fix a regression where the enablement of the PHYs would be skipped
for device trees without any port child nodes. (me)
- Revert ATA_QUIRK_NOLPM for Samsung SSD 870 QVO drives, as it stops
systems from entering lower package states. LPM works on newer
firmware versions. We will need a more refined quirk that only
targets the older firmware versions. (me)
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Merge tag 'ata-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Niklas Cassel:
- Fix a regression where the enablement of the PHYs would be skipped
for device trees without any port child nodes (me)
- Revert ATA_QUIRK_NOLPM for Samsung SSD 870 QVO drives, as it stops
systems from entering lower package states. LPM works on newer
firmware versions. We will need a more refined quirk that only
targets the older firmware versions (me)
* tag 'ata-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
Revert "ata: libata-core: Add ATA_QUIRK_NOLPM for Samsung SSD 870 QVO drives"
ata: ahci: Make ahci_ignore_port() handle empty mask_port_map
* Fix TCR_EL2 configuration to not use the ASID in TTBR1_EL2
and not mess-up T1SZ/PS by using the HCR_EL2.E2H==0 layout.
* Bring back the VMID allocation to the vcpu_load phase, ensuring
that we only setup VTTBR_EL2 once on VHE. This cures an ugly
race that would lead to running with an unallocated VMID.
RISC-V:
* Fix hart status check in SBI HSM extension
* Fix hart suspend_type usage in SBI HSM extension
* Fix error returned by SBI IPI and TIME extensions for
unsupported function IDs
* Fix suspend_type usage in SBI SUSP extension
* Remove unnecessary vcpu kick after injecting interrupt
via IMSIC guest file
x86:
* Fix an nVMX bug where KVM fails to detect that, after nested
VM-Exit, L1 has a pending IRQ (or NMI).
* To avoid freeing the PIC while vCPUs are still around, which
would cause a NULL pointer access with the previous patch,
destroy vCPUs before any VM-level destruction.
* Handle failures to create vhost_tasks
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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:
- Fix TCR_EL2 configuration to not use the ASID in TTBR1_EL2 and not
mess-up T1SZ/PS by using the HCR_EL2.E2H==0 layout.
- Bring back the VMID allocation to the vcpu_load phase, ensuring
that we only setup VTTBR_EL2 once on VHE. This cures an ugly race
that would lead to running with an unallocated VMID.
RISC-V:
- Fix hart status check in SBI HSM extension
- Fix hart suspend_type usage in SBI HSM extension
- Fix error returned by SBI IPI and TIME extensions for unsupported
function IDs
- Fix suspend_type usage in SBI SUSP extension
- Remove unnecessary vcpu kick after injecting interrupt via IMSIC
guest file
x86:
- Fix an nVMX bug where KVM fails to detect that, after nested
VM-Exit, L1 has a pending IRQ (or NMI).
- To avoid freeing the PIC while vCPUs are still around, which would
cause a NULL pointer access with the previous patch, destroy vCPUs
before any VM-level destruction.
- Handle failures to create vhost_tasks"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: retry nx_huge_page_recovery_thread creation
vhost: return task creation error instead of NULL
KVM: nVMX: Process events on nested VM-Exit if injectable IRQ or NMI is pending
KVM: x86: Free vCPUs before freeing VM state
riscv: KVM: Remove unnecessary vcpu kick
KVM: arm64: Ensure a VMID is allocated before programming VTTBR_EL2
KVM: arm64: Fix tcr_el2 initialisation in hVHE mode
riscv: KVM: Fix SBI sleep_type use
riscv: KVM: Fix SBI TIME error generation
riscv: KVM: Fix SBI IPI error generation
riscv: KVM: Fix hart suspend_type use
riscv: KVM: Fix hart suspend status check
This reverts commit cc77e2ce18.
It was reported that adding ATA_QUIRK_NOLPM for Samsung SSD 870 QVO drives
breaks entering lower package states for certain systems.
It turns out that Samsung SSD 870 QVO actually has working LPM when using
a recent SSD firmware version.
The author of commit cc77e2ce18 ("ata: libata-core: Add ATA_QUIRK_NOLPM
for Samsung SSD 870 QVO drives") reported himself that only older SSD
firmware versions have broken LPM:
https://lore.kernel.org/stable/93c10d38-718c-459d-84a5-4d87680b4da7@debian.org/
Unfortunately, he did not specify which older firmware version he was using
which had broken LPM.
Let's revert this quirk, which has FW version field specified as NULL
(which means that it applies for all Samsung SSD 870 QVO firmware versions)
for now. Once the author reports which older firmware version(s) that are
broken, we can create a more fine grained quirk, which populates the FW
version field accordingly.
Fixes: cc77e2ce18 ("ata: libata-core: Add ATA_QUIRK_NOLPM for Samsung SSD 870 QVO drives")
Reported-by: Dieter Mummenschanz <dmummenschanz@web.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219747
Link: https://lore.kernel.org/r/20250228122603.91814-2-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
A VMM may send a non-fatal signal to its threads, including vCPU tasks,
at any time, and thus may signal vCPU tasks during KVM_RUN. If a vCPU
task receives the signal while its trying to spawn the huge page recovery
vhost task, then KVM_RUN will fail due to copy_process() returning
-ERESTARTNOINTR.
Rework call_once() to mark the call complete if and only if the called
function succeeds, and plumb the function's true error code back to the
call_once() invoker. This provides userspace with the correct, non-fatal
error code so that the VMM doesn't terminate the VM on -ENOMEM, and allows
subsequent KVM_RUN a succeed by virtue of retrying creation of the NX huge
page task.
Co-developed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
[implemented the kvm user side]
Signed-off-by: Keith Busch <kbusch@kernel.org>
Message-ID: <20250227230631.303431-3-kbusch@meta.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Lets callers distinguish why the vhost task creation failed. No one
currently cares why it failed, so no real runtime change from this
patch, but that will not be the case for long.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Message-ID: <20250227230631.303431-2-kbusch@meta.com>
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- Fix parsing cooling-maps in DT for trip points with more than one
cooling device (Rafael Wysocki).
- Fix granted_power computation in the Power Allocator thermal
governor and make it update total_weight on configuration changes
after the thermal zone has been registered (Yu-Che Cheng).
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Merge tag 'thermal-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These fix the processing of DT thermal properties and the Power
Allocator thermal governor:
- Fix parsing cooling-maps in DT for trip points with more than one
cooling device (Rafael Wysocki)
- Fix granted_power computation in the Power Allocator thermal
governor and make it update total_weight on configuration changes
after the thermal zone has been registered (Yu-Che Cheng)"
* tag 'thermal-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: gov_power_allocator: Update total_weight on bind and cdev updates
thermal/of: Fix cdev lookup in thermal_of_should_bind()
thermal: gov_power_allocator: Fix incorrect calculation in divvy_up_power()
Fix the handling of processors that stop the TSC in deeper C-states in
the intel_idle driver (Thomas Gleixner).
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Merge tag 'pm-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix the handling of processors that stop the TSC in deeper C-states in
the intel_idle driver (Thomas Gleixner)"
* tag 'pm-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
intel_idle: Handle older CPUs, which stop the TSC in deeper C states, correctly
- Fix conflicts between devicetree and ACPI SMP discovery & setup
- Fix a warm-boot lockup on AMD SC1100 SoC systems
- Fix a W=1 build warning related to x86 IRQ trace event setup
- Fix a kernel-doc warning
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2025-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Fix conflicts between devicetree and ACPI SMP discovery & setup
- Fix a warm-boot lockup on AMD SC1100 SoC systems
- Fix a W=1 build warning related to x86 IRQ trace event setup
- Fix a kernel-doc warning
* tag 'x86-urgent-2025-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/entry: Fix kernel-doc warning
x86/irq: Define trace events conditionally
x86/CPU: Fix warm boot hang regression on AMD SC1100 SoC systems
x86/of: Don't use DTB for SMP setup if ACPI is enabled
on PREEMPT_NONE and PREEMPT_VOLUNTARY kernels.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2025-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Ingo Molnar:
"Prevent cond_resched() based preemption when interrupts are disabled,
on PREEMPT_NONE and PREEMPT_VOLUNTARY kernels"
* tag 'sched-urgent-2025-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/core: Prevent rescheduling when interrupts are disabled
