Some Renesas HCs require firmware upload to work, this is handled by the
xhci_pci_renesas driver. Other variants of those chips load firmware from
a SPI flash and are ready to work with xhci_pci alone.
A refactor merged in v6.12 broke the latter configuration so that users
are finding their hardware ignored by the normal driver and are forced to
enable the firmware loader which isn't really necessary on their systems.
Let xhci_pci work with those chips as before when the firmware loader is
disabled by kernel configuration.
Fixes: 25f51b76f9 ("xhci-pci: Make xhci-pci-renesas a proper modular driver")
Cc: stable <stable@kernel.org>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219616
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219726
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Tested-by: Nicolai Buchwitz <nb@tipi-net.de>
Link: https://lore.kernel.org/r/20250128104529.58a79bfc@foxbook
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This driver supports page faults on PCI RID since commit <9f831c16c6>
("iommu/vt-d: Remove the pasid present check in prq_event_thread") by
allowing the reporting of page faults with the pasid_present field cleared
to the upper layer for further handling. The fundamental assumption here
is that the detach or replace operations act as a fence for page faults.
This implies that all pending page faults associated with a specific RID
or PASID are flushed when a domain is detached or replaced from a device
RID or PASID.
However, the intel_iommu_drain_pasid_prq() helper does not correctly
handle faults for RID. This leads to faults potentially remaining pending
in the iommu hardware queue even after the domain is detached, thereby
violating the aforementioned assumption.
Fix this issue by extending intel_iommu_drain_pasid_prq() to cover faults
for RID.
Fixes: 9f831c16c6 ("iommu/vt-d: Remove the pasid present check in prq_event_thread")
Cc: stable@vger.kernel.org
Suggested-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20250121023150.815972-1-baolu.lu@linux.intel.com
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20250211005512.985563-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
There are some typos in comments/messages:
- modyfying -> modifying
- Unabled -> Unable
Fix them via codespell.
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Link: https://lore.kernel.org/r/20250210112027.29791-1-algonell@gmail.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
With recent kernel, AMDGPU failed to resume after suspend on certain laptop.
Sample log:
-----------
Nov 14 11:52:19 Thinkbook kernel: iommu ivhd0: AMD-Vi: Event logged [ILLEGAL_DEV_TABLE_ENTRY device=0000:06:00.0 pasid=0x00000 address=0x135300000 flags=0x0080]
Nov 14 11:52:19 Thinkbook kernel: AMD-Vi: DTE[0]: 7d90000000000003
Nov 14 11:52:19 Thinkbook kernel: AMD-Vi: DTE[1]: 0000100103fc0009
Nov 14 11:52:19 Thinkbook kernel: AMD-Vi: DTE[2]: 2000000117840013
Nov 14 11:52:19 Thinkbook kernel: AMD-Vi: DTE[3]: 0000000000000000
This is because in resume path, CNTRL[EPHEn] is not set. Fix this by
setting CNTRL[EPHEn] to 1 in resume path if EFR[EPHSUP] is set.
Note
May be better approach is to save the control register in suspend path
and restore it in resume path instead of trying to set indivisual
bits. We will have separate patch for that.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219499
Fixes: c4cb231111 ("iommu/amd: Add support for enable/disable IOPF")
Tested-by: Hamish McIntyre-Bhatty <kernel-bugzilla@regd.hamishmb.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20250127094411.5931-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Check the return value of snd_ctl_rename_id() in
snd_hda_create_dig_out_ctls(). Ensure that failures
are properly handled.
[ Note: the error cannot happen practically because the only error
condition in snd_ctl_rename_id() is the missing ID, but this is a
rename, hence it must be present. But for the code consistency,
it's safer to have always the proper return check -- tiwai ]
Fixes: 5c219a3408 ("ALSA: hda: Fix kctl->id initialization")
Cc: stable@vger.kernel.org # 6.4+
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Link: https://patch.msgid.link/20250213074543.1620-1-vulab@iscas.ac.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
More fixes and deviec quirks, most of them driver specific including a
few SOF robustness fixes. Nothing super remarkable individually.
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Merge tag 'asoc-fix-v6.14-rc2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.14
More fixes and deviec quirks, most of them driver specific including a
few SOF robustness fixes. Nothing super remarkable individually.
Now that the crc32c() library function directly takes advantage of
architecture-specific optimizations, it is unnecessary to go through the
crypto API. Just use crc32c(). This is much simpler, and it improves
performance due to eliminating the crypto API overhead.
Note that for crc32c the equivalent of crypto_shash_digest() is
cpu_to_le32(~crc32c(~0, ...)), considering that crypto_shash_digest()
had before and inversions as well as a cpu_to_le32() built-in. This
means that this driver is using u32 for fixed-endian types; this patch
does not try to fix that but rather just keep the exact same behavior.
Link: https://lore.kernel.org/r/20250207033643.59904-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://patch.msgid.link/20250207040816.69163-1-ebiggers@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
We may have commit which doesn't have any non-arming plane register
writes. In that case there aren't "Frame Change" event before DSB vblank
evasion which hangs as PIPEDSL register is reading as 0 when PSR state is
SRDENT(PSR1) or DEEP_SLEEP(PSR2). Handle this by ensuring "Frame Change"
event at the begin of DSB commit if using PSR/PR.
v3: dsb_commit as a first parameter
v2: use intel_psr_trigger_frame_change_event
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213064804.2077127-13-jouni.hogander@intel.com
PIPEDSL is reading as 0 when in SRDENT(PSR1) or DEEP_SLEEP(PSR2). On
wake-up scanline counting starts from vblank_start - 1. We don't know if
wake-up is already ongoing when evasion starts. In worst case PIPEDSL could
start reading valid value right after checking the scanline. In this
scenario we wouldn't have enough time to write all registers. To tackle
this evade scanline 0 as well. As a drawback we have 1 frame delay in flip
when waking up.
v2:
- use intel_dsb_emit_wait_dsl
- add evasion of scanline 0 also for Panel Replay
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213064804.2077127-11-jouni.hogander@intel.com
We have different approach on how flip is considered being complete. We are
waiting for vblank on DSB and generate interrupt when it happens and this
interrupt is considered as indication of completion -> we definitely do not
want to skip vblank wait.
Also not skipping scanline wait shouldn't cause any problems if we are in
DEEP_SLEEP PIPEDSL register is returning 0 -> evasion does nothing and if
we are not in DEEP_SLEEP evasion works same way as without PSR.
v2: add comment explaining why we are not setting DSB_SKIP_WAITS_EN
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213064804.2077127-10-jouni.hogander@intel.com
The size of struct bpf_map::name is BPF_OBJ_NAME_LEN (16).
bpf(2) {
map_create() {
bpf_obj_name_cpy(map->name, attr->map_name, sizeof(attr->map_name));
}
}
When specifying a map name using bpftool map create name, no error is
reported if the name length is greater than 15.
$ sudo bpftool map create /sys/fs/bpf/12345678901234567890 \
type array key 4 value 4 entries 5 name 12345678901234567890
Users will think that 12345678901234567890 is legal, but this name cannot
be used to index a map.
$ sudo bpftool map show name 12345678901234567890
Error: can't parse name
$ sudo bpftool map show
...
1249: array name 123456789012345 flags 0x0
key 4B value 4B max_entries 5 memlock 304B
$ sudo bpftool map show name 123456789012345
1249: array name 123456789012345 flags 0x0
key 4B value 4B max_entries 5 memlock 304B
The map name provided in the command line is truncated, but no warning is
reported. This submission checks the length of the map name.
Reviewed-by: Quentin Monnet <qmo@kernel.org>
Signed-off-by: Rong Tao <rongtao@cestc.cn>
Link: https://lore.kernel.org/r/tencent_B44B3A95F0D7C2512DC40D831DA1FA2C9907@qq.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
amdgpu:
- Fix shutdown regression on old APUs
- Fix compute queue hang on gfx9 APUs
- Fix possible invalid access in PSP failure path
- Avoid possible buffer overflow in pptable override
amdkfd:
- Properly free gang bo in failure path
- GFX12 trap handler fix
i915:
- selftest fix: avoid using uninitialized context
xe:
- Remove bo->clients out of bos_lock area
- Carve out wopcm portion from the stolen memory
tests:
- fix lockdep with hdmi infrastructure tests
host1x:
- fix uninitialised mutex usage
panthor:
- fix uninit variable
hibmc:
- fix missing Kconfig select
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Merge tag 'drm-fixes-2025-02-14' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly drm fixes pull request, nothing too unusual, the hdmi tests
needs a bit of refactoring after lockdep shouted at them, otherwise
amdgpu and xe lead and a few misc otherwise.
amdgpu:
- Fix shutdown regression on old APUs
- Fix compute queue hang on gfx9 APUs
- Fix possible invalid access in PSP failure path
- Avoid possible buffer overflow in pptable override
amdkfd:
- Properly free gang bo in failure path
- GFX12 trap handler fix
i915:
- selftest fix: avoid using uninitialized context
xe:
- Remove bo->clients out of bos_lock area
- Carve out wopcm portion from the stolen memory
tests:
- fix lockdep with hdmi infrastructure tests
host1x:
- fix uninitialised mutex usage
panthor:
- fix uninit variable
hibmc:
- fix missing Kconfig select"
* tag 'drm-fixes-2025-02-14' of https://gitlab.freedesktop.org/drm/kernel:
drm: Fix DSC BPP increment decoding
drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()
drm/amdkfd: Ensure consistent barrier state saved in gfx12 trap handler
drm/amdgpu: bail out when failed to load fw in psp_init_cap_microcode()
amdkfd: properly free gang_ctx_bo when failed to init user queue
drm/amdgpu: bump version for RV/PCO compute fix
drm/amdgpu/gfx9: manually control gfxoff for CS on RV
drm/amdgpu/pm: fix UVD handing in amdgpu_dpm_set_powergating_by_smu()
drm/xe: Carve out wopcm portion from the stolen memory
drm/i915/selftests: avoid using uninitialized context
drm/xe/client: bo->client does not need bos_lock
drm/hisilicon/hibmc: select CONFIG_DRM_DISPLAY_DP_HELPER
drm/panthor: avoid garbage value in panthor_ioctl_dev_query()
gpu: host1x: Fix a use of uninitialized mutex
drm/tests: hdmi: Fix recursive locking
drm/tests: hdmi: Reorder DRM entities variables assignment
drm/tests: hdmi: Remove redundant assignments
drm/tests: hdmi: Fix WW_MUTEX_SLOWPATH failures
Two sets of tests are added to exercise the not _locked and _locked
version of the kfuncs. For both tests, user space accesses xattr
security.bpf.foo on a testfile. The BPF program is triggered by user
space access (on LSM hook inode_[set|get]_xattr) and sets or removes
xattr security.bpf.bar. Then user space then validates that xattr
security.bpf.bar is set or removed as expected.
Note that, in both tests, the BPF programs use the not _locked kfuncs.
The verifier picks the proper kfuncs based on the calling context.
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20250130213549.3353349-6-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Add the following kfuncs to set and remove xattrs from BPF programs:
bpf_set_dentry_xattr
bpf_remove_dentry_xattr
bpf_set_dentry_xattr_locked
bpf_remove_dentry_xattr_locked
The _locked version of these kfuncs are called from hooks where
dentry->d_inode is already locked. Instead of requiring the user
to know which version of the kfuncs to use, the verifier will pick
the proper kfunc based on the calling hook.
Signed-off-by: Song Liu <song@kernel.org>
Acked-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Matt Bobrowski <mattbobrowski@google.com>
Link: https://lore.kernel.org/r/20250130213549.3353349-5-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Add bpf_lsm_inode_removexattr and bpf_lsm_inode_post_removexattr to list
sleepable_lsm_hooks. These two hooks are always called from sleepable
context.
Signed-off-by: Song Liu <song@kernel.org>
Reviewed-by: Matt Bobrowski <mattbobrowski@google.com>
Link: https://lore.kernel.org/r/20250130213549.3353349-4-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Extend test_progs fs_kfuncs to cover different xattr names. Specifically:
xattr name "user.kfuncs" and "security.bpf.xxx" can be read from BPF
program with kfuncs bpf_get_[file|dentry]_xattr(); while "security.bpf"
and "security.selinux" cannot be read.
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20250130213549.3353349-3-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Introduct new xattr name prefix security.bpf., and enable reading these
xattrs from bpf kfuncs bpf_get_[file|dentry]_xattr().
As we are on it, correct the comments for return value of
bpf_get_[file|dentry]_xattr(), i.e. return length the xattr value on
success.
Signed-off-by: Song Liu <song@kernel.org>
Acked-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Matt Bobrowski <mattbobrowski@google.com>
Link: https://lore.kernel.org/r/20250130213549.3353349-2-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
If CONFIG_AUDIT is not set then
SMACK does not generate audit messages,
however, keeps audit control file, /smack/logging,
while there is no entity to control.
This change removes audit control file /smack/logging
when audit is not configured in the kernel
Signed-off-by: Konstantin Andreev <andreev@swemel.ru>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
- Carve out wopcm portion from the stolen memory (Nirmoy)
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Merge tag 'drm-xe-fixes-2025-02-13' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
- Remove bo->clients out of bos_lock area (Tejas)
- Carve out wopcm portion from the stolen memory (Nirmoy)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z64rCicgpBe_t5GY@intel.com
amdgpu:
- Fix shutdown regression on old APUs
- Fix compute queue hang on gfx9 APUs
- Fix possible invalid access in PSP failure path
- Avoid possible buffer overflow in pptable override
amdkfd:
- Properly free gang bo in failure path
- GFX12 trap handler fix
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Merge tag 'amd-drm-fixes-6.14-2025-02-13' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.14-2025-02-13:
amdgpu:
- Fix shutdown regression on old APUs
- Fix compute queue hang on gfx9 APUs
- Fix possible invalid access in PSP failure path
- Avoid possible buffer overflow in pptable override
amdkfd:
- Properly free gang bo in failure path
- GFX12 trap handler fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213153843.242640-1-alexander.deucher@amd.com
Fix a race condition between the main test_progs thread and the traffic
monitoring thread. The traffic monitor thread tries to print a line
using multiple printf and use flockfile() to prevent the line from being
torn apart. Meanwhile, the main thread doing io redirection can reassign
or close stdout when going through tests. A deadlock as shown below can
happen.
main traffic_monitor_thread
==== ======================
show_transport()
-> flockfile(stdout)
stdio_hijack_init()
-> stdout = open_memstream(log_buf, log_cnt);
...
env.subtest_state->stdout_saved = stdout;
...
funlockfile(stdout)
stdio_restore_cleanup()
-> fclose(env.subtest_state->stdout_saved);
After the traffic monitor thread lock stdout, A new memstream can be
assigned to stdout by the main thread. Therefore, the traffic monitor
thread later will not be able to unlock the original stdout. As the
main thread tries to access the old stdout, it will hang indefinitely
as it is still locked by the traffic monitor thread.
The deadlock can be reproduced by running test_progs repeatedly with
traffic monitor enabled:
for ((i=1;i<=100;i++)); do
./test_progs -a flow_dissector_skb* -m '*'
done
Fix this by only calling printf once and remove flockfile()/funlockfile().
Signed-off-by: Amery Hung <ameryhung@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20250213233217.553258-1-ameryhung@gmail.com
Some of the tracepoints slipped when we did the first scan, adding them now.
Fixes: 838a10bd2e ("bpf: Augment raw_tp arguments with PTR_MAYBE_NULL")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20250210175913.2893549-1-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
mutex fix for host1x, an unitialized variable fix for panthor, and a
config selection fix for hibmc.
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Merge tag 'drm-misc-fixes-2025-02-13' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Some locking fixes for the HDMI infrastructure tests, an unitialized
mutex fix for host1x, an unitialized variable fix for panthor, and a
config selection fix for hibmc.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213-brilliant-terrier-from-hell-d06dd5@houat
Currently, it is tedious to offline CPUs in a Hyper-V VM since CPUs may
have VMBus channels attached to them that a user would have to manually
rebind elsewhere. So, as made mention of in
commit d570aec0f2 ("Drivers: hv: vmbus: Synchronize init_vp_index()
vs. CPU hotplug"), rebind channels associated with CPUs that a user is
trying to offline to a new "randomly" selected CPU.
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Michael Kelley <mhklinux@outlook.com>
Cc: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Hamza Mahfooz <hamzamahfooz@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/20250117203309.192072-3-hamzamahfooz@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20250117203309.192072-3-hamzamahfooz@linux.microsoft.com>
The core functionality in target_cpu_store() is also needed in a
subsequent patch for automatically changing the CPU when taking
a CPU offline. As such, factor out the body of target_cpu_store()
into new function vmbus_channel_set_cpu() that can also be used
elsewhere.
No functional change is intended.
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Michael Kelley <mhklinux@outlook.com>
Cc: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Hamza Mahfooz <hamzamahfooz@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/20250117203309.192072-2-hamzamahfooz@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20250117203309.192072-2-hamzamahfooz@linux.microsoft.com>
If CONFIG_HYPERV=m, lockdep_assert_cpus_held() is undefined for HyperV.
So, export the function so that GPL drivers can use it more broadly.
Cc: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Hamza Mahfooz <hamzamahfooz@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20250117203309.192072-1-hamzamahfooz@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20250117203309.192072-1-hamzamahfooz@linux.microsoft.com>
These helpers are not specific to x86_64 and will be needed by common code.
Remove some unnecessary #includes.
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Link: https://lore.kernel.org/r/1738955002-20821-3-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1738955002-20821-3-git-send-email-nunodasneves@linux.microsoft.com>
Move hv_current_partition_id and hv_get_partition_id() to hv_common.c,
and call hv_get_partition_id() on arm64 in hyperv_init(). These aren't
specific to x86_64 and will be needed by common code.
Set hv_current_partition_id to HV_PARTITION_ID_SELF by default.
Rename struct hv_get_partition_id to hv_output_get_partition_id, to
make it distinct from the function hv_get_partition_id(), and match
the original Hyper-V struct name.
Remove the BUG()s. Failing to get the id need not crash the machine.
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/1738955002-20821-2-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1738955002-20821-2-git-send-email-nunodasneves@linux.microsoft.com>
amdgpu can handle async flips on overlay planes, so allow it for atomic
async checks.
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250127-tonyk-async_flip-v12-2-0f7f8a8610d3@igalia.com
[DB: fixed checkpatch warning by adding braces]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Currently, DRM atomic uAPI allows only primary planes to be flipped
asynchronously. However, each driver might be able to perform async
flips in other different plane types. To enable drivers to set their own
restrictions on which type of plane they can or cannot flip, use the
existing atomic_async_check() from struct drm_plane_helper_funcs to
enhance this flexibility, thus allowing different plane types to be able
to do async flips as well.
Create a new parameter for the atomic_async_check(), `bool flip`. This
parameter is used to distinguish when this function is being called from
a plane update from a full page flip.
In order to prevent regressions and such, we keep the current policy: we
skip the driver check for the primary plane, because it is always
allowed to do async flips on it.
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Christopher Snowhill <chris@kode54.net>
Tested-by: Christopher Snowhill <chris@kode54.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20250127-tonyk-async_flip-v12-1-0f7f8a8610d3@igalia.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This function will synchronously cancel and wait for many display
work queue items, which might try to take the runtime pm reference
causing a bad deadlock. So, remove it from the runtime_pm suspend patch.
Reported-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250212192447.402715-1-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Add a new entry for the I2C QCOM GENI driver to the MAINTAINERS file.
This entry includes the maintainer's name and contact information,
ensuring proper maintainership and communication for the i2c-qcom-geni
driver file.
Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Link: https://lore.kernel.org/r/20250123084147.3632023-1-quic_msavaliy@quicinc.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
The maintainer's email address bounced and he wasn't active for 4 years.
Delete this entry and fall back to the generic I2C host drivers entry.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20250213162950.45596-2-wsa+renesas@sang-engineering.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Since inception [1], SMACK initializes ipv* child socket security
for connection-oriented communications (tcp/sctp/dccp)
during accept() syscall, in the security_sock_graft() hook:
| void smack_sock_graft(struct sock *sk, ...)
| {
| // only ipv4 and ipv6 are eligible here
| // ...
| ssp = sk->sk_security; // socket security
| ssp->smk_in = skp; // process label: smk_of_current()
| ssp->smk_out = skp; // process label: smk_of_current()
| }
This approach is incorrect for two reasons:
A) initialization occurs too late for child socket security:
The child socket is created by the kernel once the handshake
completes (e.g., for tcp: after receiving ack for syn+ack).
Data can legitimately start arriving to the child socket
immediately, long before the application calls accept()
on the socket.
Those data are (currently — were) processed by SMACK using
incorrect child socket security attributes.
B) Incoming connection requests are handled using the listening
socket's security, hence, the child socket must inherit the
listening socket's security attributes.
smack_sock_graft() initilizes the child socket's security with
a process label, as is done for a new socket()
But ... the process label is not necessarily the same as the
listening socket label. A privileged application may legitimately
set other in/out labels for a listening socket.
When this happens, SMACK processes incoming packets using
incorrect socket security attributes.
In [2] Michael Lontke noticed (A) and fixed it in [3] by adding
socket initialization into security_sk_clone_security() hook like
| void smack_sk_clone_security(struct sock *oldsk, struct sock *newsk)
| {
| *(struct socket_smack *)newsk->sk_security =
| *(struct socket_smack *)oldsk->sk_security;
| }
This initializes the child socket security with the parent (listening)
socket security at the appropriate time.
I was forced to revisit this old story because
smack_sock_graft() was left in place by [3] and continues overwriting
the child socket's labels with the process label,
and there might be a reason for this, so I undertook a study.
If the process label differs from the listening socket's labels,
the following occurs for ipv4:
assigning the smk_out is not accompanied by netlbl_sock_setattr,
so the outgoing packet's cipso label does not change.
So, the only effect of this assignment for interhost communications
is a divergence between the program-visible “out” socket label and
the cipso network label. For intrahost communications this label,
however, becomes visible via secmark netfilter marking, and is
checked for access rights by the client, receiving side.
Assigning the smk_in affects both interhost and intrahost
communications: the server begins to check access rights against
an wrong label.
Access check against wrong label (smk_in or smk_out),
unsurprisingly fails, breaking the connection.
The above affects protocols that calls security_sock_graft()
during accept(), namely: {tcp,dccp,sctp}/{ipv4,ipv6}
One extra security_sock_graft() caller, crypto/af_alg.c`af_alg_accept
is not affected, because smack_sock_graft() does nothing for PF_ALG.
To reproduce, assign non-default in/out labels to a listening socket,
setup rules between these labels and client label, attempt to connect
and send some data.
Ipv6 specific: ipv6 packets do not convey SMACK labels. To reproduce
the issue in interhost communications set opposite labels in
/smack/ipv6host on both hosts.
Ipv6 intrahost communications do not require tricking, because SMACK
labels are conveyed via secmark netfilter marking.
So, currently smack_sock_graft() is not useful, but harmful,
therefore, I have removed it.
This fixes the issue for {tcp,dccp}/{ipv4,ipv6},
but not sctp/{ipv4,ipv6}.
Although this change is necessary for sctp+smack to function
correctly, it is not sufficient because:
sctp/ipv4 does not call security_sk_clone() and
sctp/ipv6 ignores SMACK completely.
These are separate issues, belong to other subsystem,
and should be addressed separately.
[1] 2008-02-04,
Fixes: e114e47377 ("Smack: Simplified Mandatory Access Control Kernel")
[2] Michael Lontke, 2022-08-31, SMACK LSM checks wrong object label
during ingress network traffic
Link: https://lore.kernel.org/linux-security-module/6324997ce4fc092c5020a4add075257f9c5f6442.camel@elektrobit.com/
[3] 2022-08-31, michael.lontke,
commit 4ca165fc6c ("SMACK: Add sk_clone_security LSM hook")
Signed-off-by: Konstantin Andreev <andreev@swemel.ru>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
A small collection of driver specific fixes, none standing out in
particular.
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Merge tag 'spi-fix-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of driver specific fixes, none standing out in
particular"
* tag 'spi-fix-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: sn-f-ospi: Fix division by zero
spi: pxa2xx: Fix regression when toggling chip select on LPSS devices
spi: atmel-quadspi: Fix warning in doc-comment
The main change here is a revert for a cleanup that was done in the
core, attempting to resolve some confusion about how we handle systems
where we've somehow managed to end up with both platform data and device
tree data for the same device. Unfortunately it turns out there are
actually a few systems that deliberately do this and were broken by the
change so we've just reverted it.
There's also a new Qualcomm device ID.
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Merge tag 'regulator-fix-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"The main change here is a revert for a cleanup that was done in the
core, attempting to resolve some confusion about how we handle systems
where we've somehow managed to end up with both platform data and
device tree data for the same device. Unfortunately it turns out there
are actually a few systems that deliberately do this and were broken
by the change so we've just reverted it.
There's also a new Qualcomm device ID"
* tag 'regulator-fix-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: core: let dt properties override driver init_data
regulator: qcom_smd: Add l2, l5 sub-node to mp5496 regulator
A simple fix for memory leaks when deallocating regmap-irq controllers.
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Merge tag 'regmap-fix-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"A simple fix for memory leaks when deallocating regmap-irq
controllers"
* tag 'regmap-fix-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap-irq: Add missing kfree()
Device specific schemas should not allow undefined properties which is
what 'additionalProperties: true' allows. Add a reference to
simple-bus.yaml which has the additional properties used, and fix this
constraint.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20250203213027.8284-1-robh@kernel.org
Kalle Valo steps down after serving as the WiFi driver maintainer
for over a decade.
Current release - fix to a fix:
- vsock: orphan socket after transport release, avoid null-deref
- Bluetooth: L2CAP: fix corrupted list in hci_chan_del
Current release - regressions:
- eth: stmmac: correct Rx buffer layout when SPH is enabled
- rxrpc: fix alteration of headers whilst zerocopy pending
- eth: iavf: fix a locking bug in an error path
- s390/qeth: move netif_napi_add_tx() and napi_enable() from under BH
- Revert "netfilter: flowtable: teardown flow if cached mtu is stale"
Current release - new code bugs:
- rxrpc: fix ipv6 path MTU discovery, only ipv4 worked
- pse-pd: fix deadlock in current limit functions
Previous releases - regressions:
- rtnetlink: fix netns refleak with rtnl_setlink()
- wifi: brcmfmac: use random seed flag for BCM4355 and BCM4364 firmware
Previous releases - always broken:
- add missing RCU protection of struct net throughout the stack
- can: rockchip: bail out if skb cannot be allocated
- eth: ti: am65-cpsw: base XDP support fixes
Misc:
- ethtool: tsconfig: update the format of hwtstamp flags,
changes the uAPI but this uAPI was not in any release yet
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wireless and bluetooth.
Kalle Valo steps down after serving as the WiFi driver maintainer for
over a decade.
Current release - fix to a fix:
- vsock: orphan socket after transport release, avoid null-deref
- Bluetooth: L2CAP: fix corrupted list in hci_chan_del
Current release - regressions:
- eth:
- stmmac: correct Rx buffer layout when SPH is enabled
- iavf: fix a locking bug in an error path
- rxrpc: fix alteration of headers whilst zerocopy pending
- s390/qeth: move netif_napi_add_tx() and napi_enable() from under BH
- Revert "netfilter: flowtable: teardown flow if cached mtu is stale"
Current release - new code bugs:
- rxrpc: fix ipv6 path MTU discovery, only ipv4 worked
- pse-pd: fix deadlock in current limit functions
Previous releases - regressions:
- rtnetlink: fix netns refleak with rtnl_setlink()
- wifi: brcmfmac: use random seed flag for BCM4355 and BCM4364
firmware
Previous releases - always broken:
- add missing RCU protection of struct net throughout the stack
- can: rockchip: bail out if skb cannot be allocated
- eth: ti: am65-cpsw: base XDP support fixes
Misc:
- ethtool: tsconfig: update the format of hwtstamp flags, changes the
uAPI but this uAPI was not in any release yet"
* tag 'net-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (72 commits)
net: pse-pd: Fix deadlock in current limit functions
rxrpc: Fix ipv6 path MTU discovery
Reapply "net: skb: introduce and use a single page frag cache"
s390/qeth: move netif_napi_add_tx() and napi_enable() from under BH
mlxsw: Add return value check for mlxsw_sp_port_get_stats_raw()
ipv6: mcast: add RCU protection to mld_newpack()
team: better TEAM_OPTION_TYPE_STRING validation
Bluetooth: L2CAP: Fix corrupted list in hci_chan_del
Bluetooth: btintel_pcie: Fix a potential race condition
Bluetooth: L2CAP: Fix slab-use-after-free Read in l2cap_send_cmd
net: ethernet: ti: am65_cpsw: fix tx_cleanup for XDP case
net: ethernet: ti: am65-cpsw: fix RX & TX statistics for XDP_TX case
net: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases
vsock/test: Add test for SO_LINGER null ptr deref
vsock: Orphan socket after transport release
MAINTAINERS: Add sctp headers to the general netdev entry
Revert "netfilter: flowtable: teardown flow if cached mtu is stale"
iavf: Fix a locking bug in an error path
rxrpc: Fix alteration of headers whilst zerocopy pending
net: phylink: make configuring clock-stop dependent on MAC support
...
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Merge tag 'for-6.14-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix stale page cache after race between readahead and direct IO write
- fix hole expansion when writing at an offset beyond EOF, the range
will not be zeroed
- use proper way to calculate offsets in folio ranges
* tag 'for-6.14-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix hole expansion when writing at an offset beyond EOF
btrfs: fix stale page cache after race between readahead and direct IO write
btrfs: fix two misuses of folio_shift()
