By default this timestamp is 32 bit counter. It gets overflowed in
around 10 minutes.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
unmap range always increase atomic svms->drain_pagefaults to simplify
both parent range and child range unmap, page fault handle ignores the
retry fault if svms->drain_pagefaults is set to speed up interrupt
handling. svm_range_drain_retry_fault restart draining if another
range unmap from cpu.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
VMA may be removed before unmap notifier callback, and deferred list
work remove range, return success for this special case as we are
handling stale retry fault.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
kfd_process_wq_release drain retry fault to ensure no retry fault comes
after removing kfd process from the hash table, otherwise svm page fault
handler will fail to recover the fault and dump GPU vm fault log.
Refactor deferred list work to get_task_mm and take mmap write lock
to handle all ranges, and avoid mm is gone while inserting mmu notifier.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Otherwise when IH process restart, count is zero, the loop will
not exit to wake_up_all after processing AMDGPU_IH_MAX_NUM_IVS
interrupts.
Cc: stable@vger.kernel.org
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Renoir and newer gfx9 APUs have new TSC register that is
not part of the gfxoff tile, so it can be read without
needing to disable gfx off.
Acked-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Apply the same check we do for dGPUs for APUs as well.
Acked-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Fixes: 9f4f2c1a35 ("drm/amd/amdgpu: fix the kfd pre_reset sequence in sriov")
For sriov XGMI configuration, the host driver will handle the hive reset,
so in guest side, the reset_sriov only be called once on one device. This will
make kfd post_reset unblanced with kfd pre_reset since kfd pre_reset already
been moved out of reset_sriov function. Move kfd post_reset out of reset_sriov
function to make them balance .
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[WHY]
Due to pass the wrong parameter down to the enable_stream_gating(),
it would cause the DSC of the removing stream would not be PG.
[HOW]
To pass the correct parameter down th the enable_stream_gating().
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Yi-Ling Chen <Yi-Ling.Chen2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
A warning appears in the log on GPU reset for
link_enc_cfg_link_encs_assign for the following condition:
ASSERT(state->res_ctx.link_enc_cfg_ctx.link_enc_assignments[i].valid == false);
This is not expected behavior and may result in link encoders being
incorrectly assigned.
[How]
The dc->current_state is backed up into dm->cached_dc_state before
we commit 0 streams.
DC will clear link encoder assignments on the real state but the
changes won't propagate over to the copy we made before the
0 streams commit.
DC expects that link encoder assignments are *not* valid
when committing a state, so as a workaround it needs to be cleared
before passing it back into DC.
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
We're only setting the flags on stream[0]'s planes so this logic fails
if we have more than one stream in the state.
This can cause a page flip timeout with multiple displays in the
configuration.
[How]
Index into the stream_status array using the stream index - it's a 1:1
mapping.
Fixes: cdaae8371a ("drm/amd/display: Handle GPU reset for DC block")
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
The HW interrupt gets disabled after GPU reset so we don't receive
notifications for HPD or AUX from DMUB - leading to timeout and
black screen with (or without) DPIA links connected.
[How]
Re-enable the interrupt after GPU reset like we do for the other
DC interrupts.
Fixes: 81927e2808 ("drm/amd/display: Support for DMUB AUX")
Reviewed-by: Jude Shih <Jude.Shih@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
amdgpu_amdkfd_gpuvm_free_memory_of_gpu drop dmabuf reference increased in
amdgpu_gem_prime_export.
amdgpu_bo_destroy drop dmabuf reference increased in
amdgpu_gem_prime_import.
So remove this extra dma_buf_put to avoid double free.
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Tested-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Disable HDP register remapping on SRIOV and set rmmio_remap.reg_offset
to the fixed address of the VF register for hdp_v*_flush_hdp.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Bokun Zhang <bokun.zhang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Increase the FRAME_WARN value to avoid some new warnings which showed up
in the Linux kernel test project, revert a patch which moved the _stext
symbol and thus tiggered errors in the hardened usercopy checks, and
introduce an extru_safe() assembler macro to overcome possible unsafe
usage of the extru asm statement on 64-bit PA2.0 machines.
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Merge tag 'for-5.16/parisc-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"Increase the FRAME_WARN value to avoid some new warnings which showed
up in the Linux kernel test project, revert a patch which moved the
_stext symbol and thus tiggered errors in the hardened usercopy
checks, and introduce an extru_safe() assembler macro to overcome
possible unsafe usage of the extru asm statement on 64-bit PA2.0
machines"
* tag 'for-5.16/parisc-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
Revert "parisc: Fix backtrace to always include init funtion names"
parisc: Convert PTE lookup to use extru_safe() macro
parisc: Fix extraction of hash lock bits in syscall.S
parisc: Provide an extru_safe() macro to extract unsigned bits
parisc: Increase FRAME_WARN to 2048 bytes on parisc
uprobe_perf_open() processes a list of probes, but due to a missing
setting of the uprobe to be processed, the loop processes the head probe
instead of the added probes.
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Merge tag 'trace-v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"Fix wrong uprobe variable in iterator
uprobe_perf_open() processes a list of probes, but due to a missing
setting of the uprobe to be processed, the loop processes the head
probe instead of the added probes"
* tag 'trace-v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/uprobe: Fix uprobe_perf_open probes iteration
Pull HID fixes from Jiri Kosina:
- fix for Intel-ISH driver to make sure it gets aoutoloaded only on
matching devices and not universally (Thomas Weißschuh)
- fix for Wacom driver reporting invalid contact under certain
circumstances (Jason Gerecke)
- probing fix for ft260 dirver (Michael Zaidman)
- fix for generic keycode remapping (Thomas Weißschuh)
- fix for division by zero in hid-magicmouse (Claudia Pellegrino)
- other tiny assorted fixes and new device IDs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: multitouch: Fix Iiyama ProLite T1931SAW (0eef:0001 again!)
HID: nintendo: eliminate dead datastructures in !CONFIG_NINTENDO_FF case
HID: magicmouse: prevent division by 0 on scroll
HID: thrustmaster: fix sparse warnings
HID: Ignore battery for Elan touchscreen on HP Envy X360 15-eu0xxx
HID: input: set usage type to key on keycode remap
HID: input: Fix parsing of HID_CP_CONSUMER_CONTROL fields
HID: ft260: fix i2c probing for hwmon devices
Revert "HID: hid-asus.c: Maps key 0x35 (display off) to KEY_SCREENLOCK"
HID: intel-ish-hid: fix module device-id handling
mod_devicetable: fix kdocs for ishtp_device_id
HID: wacom: Use "Confidence" flag to prevent reporting invalid contacts
HID: nintendo: unlock on error in joycon_leds_create()
platform/x86: isthp_eclite: only load for matching devices
platform/chrome: chros_ec_ishtp: only load for matching devices
HID: intel-ish-hid: hid-client: only load for matching devices
HID: intel-ish-hid: fw-loader: only load for matching devices
HID: intel-ish-hid: use constants for modaliases
HID: intel-ish-hid: add support for MODULE_DEVICE_TABLE()
If the xenstore page hasn't been allocated properly, reading the value
of the related hvm_param (HVM_PARAM_STORE_PFN) won't actually return
error. Instead, it will succeed and return zero. Instead of attempting
to xen_remap a bad guest physical address, detect this condition and
return early.
Note that although a guest physical address of zero for
HVM_PARAM_STORE_PFN is theoretically possible, it is not a good choice
and zero has never been validly used in that capacity.
Also recognize all bits set as an invalid value.
For 32-bit Linux, any pfn above ULONG_MAX would get truncated. Pfns
above ULONG_MAX should never be passed by the Xen tools to HVM guests
anyway, so check for this condition and return early.
Cc: stable@vger.kernel.org
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Link: https://lore.kernel.org/r/20211123210748.1910236-1-sstabellini@kernel.org
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Guangbin Huang says:
====================
net: hns3: updates for -next
This series includes some updates for the HNS3 ethernet driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When tx timeout occurs, the info of dql maybe helpful, so print
these info to hns3_get_tx_timeo_queue_info().
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, there is no way to get drop packet number of multicast and
broadcast in IGU hardware module, it is not convenient to find problem
when multicast packet or broadcast packet is dropped in IGU, so this
patch adds statistics for them in debugfs.
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Printing the whole MAC addresse may bring security risks. Therefore,
the MAC address is partially encrypted to improve security.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the mbx or reset message arrives, the driver is informed
through an interrupt. This task can be processed only after
the workqueue is scheduled. In some cases, this workqueue
scheduling takes a long time. As a result, the mbx or reset
service task cannot be processed in time. So add some warning
message to improve debugging efficiency for this case.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
snapshot_write() is inappropriately limiting the amount of data that can
be written in cases where a partial page has already been written. For
example, one would expect to be able to write 1 byte, then 4095 bytes to
the snapshot device, and have both of those complete fully (since now
we're aligned to a page again). But what ends up happening is we write 1
byte, then 4094/4095 bytes complete successfully.
The reason is that simple_write_to_buffer()'s second argument is the
total size of the buffer, not the size of the buffer minus the offset.
Since simple_write_to_buffer() accounts for the offset in its
implementation, snapshot_write() can just pass the full page size
directly down.
Signed-off-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 39fbef4b0f ("PM: hibernate: Get block device exclusively in
swsusp_check()") changed the opening mode of the block device to
(FMODE_READ | FMODE_EXCL).
In the corresponding calls to swsusp_close(), the mode is still just
FMODE_READ which triggers the warning in blkdev_flush_mapping() on
resume from hibernate.
So, use the mode (FMODE_READ | FMODE_EXCL) also when closing the
device.
Fixes: 39fbef4b0f ("PM: hibernate: Get block device exclusively in swsusp_check()")
Signed-off-by: Thomas Zeitlhofer <thomas.zeitlhofer+lkml@ze-it.at>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Check cpc_desc against NULL in cppc_get_perf(), so it doesn't crash
down the road if cpc_desc is NULL.
Fixes: 0654cf05d1 ("ACPI: CPPC: Introduce cppc_get_nominal_perf()")
Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: 5.15+ <stable@vger.kernel.org> # 5.15+
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Update NC-SI command handler (both standard and OEM) to take into
account of payload paddings in allocating skb (in case of payload
size is not 32-bit aligned).
The checksum field follows payload field, without taking payload
padding into account can cause checksum being truncated, leading to
dropped packets.
Fixes: fb4ee67529 ("net/ncsi: Add NCSI OEM command support")
Signed-off-by: Kumar Thangavel <thangavel.k@hcl.com>
Acked-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
As Vincent reports in:
https://lore.kernel.org/r/20211118163417.21617-1-vincent.whitchurch@axis.com
The put_user() in schedule_tail() can get stuck in a livelock, similar
to a problem recently fixed on riscv in commit:
285a76bb2c ("riscv: evaluate put_user() arg before enabling user access")
In __raw_put_user() we have a critical section between
uaccess_ttbr0_enable() and uaccess_ttbr0_disable() where we cannot
safely call into the scheduler without having taken an exception, as
schedule() and other scheduling functions will not save/restore the
TTBR0 state. If either of the `x` or `ptr` arguments to __raw_put_user()
contain a blocking call, we may call into the scheduler within the
critical section. This can result in two problems:
1) The access within the critical section will occur without the
required TTBR0 tables installed. This will fault, and where the
required tables permit access, the access will be retried without the
required tables, resulting in a livelock.
2) When TTBR0 SW PAN is in use, check_and_switch_context() does not
modify TTBR0, leaving a stale value installed. The mappings of the
blocked task will erroneously be accessible to regular accesses in
the context of the new task. Additionally, if the tables are
subsequently freed, local TLB maintenance required to reuse the ASID
may be lost, potentially resulting in TLB corruption (e.g. in the
presence of CnP).
The same issue exists for __raw_get_user() in the critical section
between uaccess_ttbr0_enable() and uaccess_ttbr0_disable().
A similar issue exists for __get_kernel_nofault() and
__put_kernel_nofault() for the critical section between
__uaccess_enable_tco_async() and __uaccess_disable_tco_async(), as the
TCO state is not context-switched by direct calls into the scheduler.
Here the TCO state may be lost from the context of the current task,
resulting in unexpected asynchronous tag check faults. It may also be
leaked to another task, suppressing expected tag check faults.
To fix all of these cases, we must ensure that we do not directly call
into the scheduler in their respective critical sections. This patch
reworks __raw_put_user(), __raw_get_user(), __get_kernel_nofault(), and
__put_kernel_nofault(), ensuring that parameters are evaluated outside
of the critical sections. To make this requirement clear, comments are
added describing the problem, and line spaces added to separate the
critical sections from other portions of the macros.
For __raw_get_user() and __raw_put_user() the `err` parameter is
conditionally assigned to, and we must currently evaluate this in the
critical section. This behaviour is relied upon by the signal code,
which uses chains of put_user_error() and get_user_error(), checking the
return value at the end. In all cases, the `err` parameter is a plain
int rather than a more complex expression with a blocking call, so this
is safe.
In future we should try to clean up the `err` usage to remove the
potential for this to be a problem.
Aside from the changes to time of evaluation, there should be no
functional change as a result of this patch.
Reported-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Link: https://lore.kernel.org/r/20211118163417.21617-1-vincent.whitchurch@axis.com
Fixes: f253d827f3 ("arm64: uaccess: refactor __{get,put}_user")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20211122125820.55286-1-mark.rutland@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Kuniyuki Iwashima says:
====================
dccp/tcp: Minor fixes for inet_csk_listen_start().
The first patch removes an unused argument, and the second removes a stale
comment.
====================
Link: https://lore.kernel.org/r/20211122101622.50572-1-kuniyu@amazon.co.jp
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch inlines dccp_listen_start() and removes a stale comment in
inet_dccp_listen() so that it looks like inet_listen().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
Reviewed-by: Richard Sailer <richard_siegfried@systemli.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The commit 1295e2cf30 ("inet: minor optimization for backlog setting in
listen(2)") added change so that sk_max_ack_backlog is initialised earlier
in inet_dccp_listen() and inet_listen(). Since then, we no longer use
backlog in inet_csk_listen_start(), so let's remove it.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
Acked-by: Yafang Shao <laoar.shao@gmail.com>
Reviewed-by: Richard Sailer <richard_siegfried@systemli.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The clock domain crossing error (CDC) is calculated at every fetch of Tx or Rx
timestamps. It includes a division. Especially on arm32 based systems it is
expensive. It also requires two conditionals in the hotpath.
Add a compensation value cache to struct plat_stmmacenet_data and subtract it
unconditionally in the RX/TX functions which spares the conditionals.
The value is initialized to 0 and if supported calculated in the PTP
initialization code.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Link: https://lore.kernel.org/r/20211122111931.135135-1-kurt@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add missing 'tu' variable initialization in the probes loop,
otherwise the head 'tu' is used instead of added probes.
Link: https://lkml.kernel.org/r/20211123142801.182530-1-jolsa@kernel.org
Cc: stable@vger.kernel.org
Fixes: 99c9a923e9 ("tracing/uprobe: Fix double perf_event linking on multiprobe uprobe")
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Merge tag 'selinux-pr-20211123' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull SELinux fix from Paul Moore:
"A fix to make sure things are handled correctly when an allocation
fails"
* tag 'selinux-pr-20211123' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: fix NULL-pointer dereference when hashtab allocation fails
The Xen pv sound driver is not essential for booting. Set the respective
flag.
[boris: replace semicolon with comma]
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20211022064800.14978-6-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
The Xen pvcalls device is not essential for booting. Set the respective
flag.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20211022064800.14978-5-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
The Xen pv console driver is not essential for boot. Set the respective
flag.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20211022064800.14978-4-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Similar to the virtual frame buffer (vfb) the pv display driver is not
essential for booting the system. Set the respective flag.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20211022064800.14978-3-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
When booting the xenbus driver will wait for PV devices to have
connected to their backends before continuing. The timeout is different
between essential and non-essential devices.
Non-essential devices are identified by their nodenames directly in the
xenbus driver, which requires to update this list in case a new device
type being non-essential is added (this was missed for several types
in the past).
In order to avoid this problem, add a "not_essential" flag to struct
xenbus_driver which can be set to "true" by the respective frontend.
Set this flag for the frontends currently regarded to be not essential
(vkbs and vfb) and use it for testing in the xenbus driver.
Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20211022064800.14978-2-jgross@suse.com
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
The Hyper-V DRM driver tries to free MMIO region on removing
the device regardless of VM type, while Gen1 VMs don't use MMIO
and hence causing the kernel to crash on a NULL pointer dereference.
Fix this by making deallocating MMIO only on Gen2 machines and implement
removal for Gen1
Fixes: 76c56a5aff ("drm/hyperv: Add DRM driver for hyperv synthetic video device")
Signed-off-by: Mohammed Gamal <mgamal@redhat.com>
Reviewed-by: Deepak Rawat <drawat.floss@gmail.com>
Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211119112900.300537-1-mgamal@redhat.com
acpi_node_get_parent() isn't used outside drivers/acpi/property.c.
Make it local.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Printk modifier %pfw is used to print the full path of the device name.
This is obtained device by device until a device no longer has a parent.
On ACPI getting the parent fwnode is done by calling acpi_get_parent()
which tries to down() a semaphore. But local IRQs are now disabled in
vprintk_store() before the mutex is acquired. This is obviously a problem.
Luckily struct device, embedded in struct acpi_device, has a parent field
already. Use that field to get the parent instead of relying on
acpi_get_parent().
Fixes: 3bd32d6a2e ("lib/vsprintf: Add %pfw conversion specifier for printing fwnode names")
Cc: 5.5+ <stable@vger.kernel.org> # 5.5+
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
A lot of small changes at this time. There are many ASoC fixes,
and the majority of them are new machine quirks for Intel
platforms, as well as the device-specific fixes for Mediatek and
Qualcomm. In addition, a regression fix for USB-audio and a few
more HD- and USB-audio quirks are found here.
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Merge tag 'sound-5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A lot of small changes at this time.
There are many ASoC fixes, and the majority of them are new machine
quirks for Intel platforms, as well as the device-specific fixes for
Mediatek and Qualcomm.
In addition, a regression fix for USB-audio and a few more HD- and
USB-audio quirks are found here"
* tag 'sound-5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (41 commits)
ALSA: intel-dsp-config: add quirk for JSL devices based on ES8336 codec
ALSA: usb-audio: Don't start stream for capture at prepare
ALSA: usb-audio: Switch back to non-latency mode at a later point
ALSA: ctxfi: Fix out-of-range access
ALSA: hda/realtek: Fix LED on HP ProBook 435 G7
ASoC: stm32: i2s: fix 32 bits channel length without mclk
ASoC: codecs: lpass-rx-macro: fix HPHR setting CLSH mask
ASoC: codecs: wcd934x: return error code correctly from hw_params
ASoC: codecs: wcd938x: fix volatile register range
ASoC: topology: Add missing rwsem around snd_ctl_remove() calls
ASoC: qdsp6: q6routing: validate port id before setting up route
ASoC: qdsp6: q6adm: improve error reporting
ASoC: qdsp6: q6asm: fix q6asm_dai_prepare error handling
ASoC: qdsp6: q6routing: Conditionally reset FrontEnd Mixer
ASoC: qdsp6: qdsp6: q6prm: handle clk disable correctly
ASoC: wm_adsp: wm_adsp_control_add() error: uninitialized symbol 'ret'
ALSA: cmipci: Drop stale variable assignment
ALSA: hda/realtek: Add quirk for ASRock NUC Box 1100
ASoC: rsnd: fixup DMAEngine API
ASoC: SOF: build compression interface into snd_sof.ko
...
Write Zeroes sets PRACT when block integrity is enabled (as it should),
but neglects to also set the reftag which is expected by reads. This
causes protection errors on reads.
Fix this by setting the reftag for type 1 and 2 (for type 3, reads will
not check the reftag).
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
