Several recent regressions and some bug fixes
- Typo corrupting the max_recv_sge for cxgb4
- Regression from re-using kernel enums as a HW AbI in vmw_pvrdma
- Sleeping inside a spinlock in hns
- Revert the attempt to fix devlink deadlocks as the fix is more buggy
- Typo in sysfs_emit_at conversions
- Revert the removal of VLAN support in rxe
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Several recent regressions and some bug fixes:
- Typo corrupting the max_recv_sge for cxgb4
- Regression from re-using kernel enums as a HW AbI in vmw_pvrdma
- Sleeping inside a spinlock in hns
- Revert the attempt to fix devlink deadlocks as the fix is more buggy
- Typo in sysfs_emit_at conversions
- Revert the removal of VLAN support in rxe"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
Revert "RDMA/rxe: Remove VLAN code leftovers from RXE"
RDMA/usnic: Fix misuse of sysfs_emit_at
Revert "RDMA/mlx5: Fix devlink deadlock on net namespace deletion"
RDMA/hns: Use mutex instead of spinlock for ida allocation
RDMA/vmw_pvrdma: Fix network_hdr_type reported in WC
RDMA/cxgb4: Fix the reported max_recv_sge value
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Merge tag 'media/v5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- a V4L2 core regression at videobuf2 when checking for single-plane
dmabuf
- a change at uAPI header v4l2-subdev.h, fixing a breakage as BIT()
macro is not available in userspace
- fix some regressions at RC core due to the usage of microseconds
everywhere on it
- a fix for a race condition at RC core
- a rename on a newly-introduced kAPI symbol (v4l2_get_link_rate),
currently used only by a single driver
- Regression fixes for rcar-vin, cedrus, ite-cir, hantro, css, venus,
and cec drivers.
* tag 'media/v5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: hantro: Fix reset_raw_fmt initialization
media: cec: add stm32 driver
media: cedrus: Fix H264 decoding
media: v4l2-subdev.h: BIT() is not available in userspace
media: Revert "media: videobuf2: Fix length check for single plane dmabuf queueing"
media: rc: ite-cir: fix min_timeout calculation
media: venus: core: Fix platform driver shutdown
media: rc: fix timeout handling after switch to microsecond durations
media: v4l: common: Fix naming of v4l2_get_link_rate
media: rcar-vin: fix return, use ret instead of zero
media: ccs: Get static data version minor correctly
media: ccs-pll: Fix link frequency for C-PHY
media: rc: ensure that uevent can be read directly after rc device register
- Build fix for CONFIG_PM=n in the mmp2 driver
- Kconfig warning for unmet dependencies in the i.MX driver
- Make the camera AHB clk always be enabled on qcom sc7180
- Use rate round down semantics for qcom sm8250 SD clks
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of clk driver fixes:
- Build fix for CONFIG_PM=n in the mmp2 driver
- Kconfig warning for unmet dependencies in the i.MX driver
- Make the camera AHB clk always be enabled on qcom sc7180
- Use rate round down semantics for qcom sm8250 SD clks"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: mmp2: fix build without CONFIG_PM
clk: qcom: gcc-sm250: Use floor ops for sdcc clks
clk: imx: fix Kconfig warning for i.MX SCU clk
clk: qcom: gcc-sc7180: Mark the camera abh clock always ON
Although the incoming fixes haven't settled down yet, all changes
here are small and mostly device-specific fixes, so nothing look
worrisome.
- Yet another USB-audio regression fixes
- HD-audio ID fix and device-specific quirks
- SOF Intel / SoundWire fixes including topology
- ASoC Qualcomm and Mediatek fixes
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Merge tag 'sound-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Although the incoming fixes haven't settled down yet, all changes here
are small and mostly device-specific fixes, so nothing look worrisome.
- Yet another USB-audio regression fixes
- HD-audio ID fix and device-specific quirks
- SOF Intel / SoundWire fixes including topology
- ASoC Qualcomm and Mediatek fixes"
* tag 'sound-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits)
ALSA: hda/via: Apply the workaround generically for Clevo machines
ASoC: Intel: sof_sdw: set proper flags for Dell TGL-H SKU 0A5E
ASoC: qcom: lpass: Fix out-of-bounds DAI ID lookup
ASoC: mediatek: mt8192-mt6359: add format constraints for RT5682
ASoC: ak4458: correct reset polarity
ASoC: SOF: SND_INTEL_DSP_CONFIG dependency
ASoC: SOF: Intel: soundwire: fix select/depend unmet dependencies
ALSA: hda: intel-dsp-config: add PCI id for TGL-H
ALSA: usb-audio: workaround for iface reset issue
ALSA: pcm: One more dependency for hw constraints
ALSA: hda/realtek: Enable headset of ASUS B1400CEPE with ALC256
ASoC: Intel: Skylake: Zero snd_ctl_elem_value
ASoC: Intel: Skylake: skl-topology: Fix OOPs ib skl_tplg_complete
ASoC: qcom: Fix number of HDMI RDMA channels on sc7180
ASoC: mediatek: mt8183-da7219: ignore TDM DAI link by default
ASoC: mediatek: mt8183-mt6358: ignore TDM DAI link by default
ASoC: topology: Properly unregister DAI on removal
ASoC: topology: Fix memory corruption in soc_tplg_denum_create_values()
ASoC: qcom: lpass-ipq806x: fix bitwidth regmap field
ASoC: AMD Renoir - refine DMI entries for some Lenovo products
...
This reverts commit dde3c6b72a.
syzbot report a double-free bug. The following case can cause this bug.
- mm/slab_common.c: create_cache(): if the __kmem_cache_create() fails,
it does:
out_free_cache:
kmem_cache_free(kmem_cache, s);
- but __kmem_cache_create() - at least for slub() - will have done
sysfs_slab_add(s)
-> sysfs_create_group() .. fails ..
-> kobject_del(&s->kobj); .. which frees s ...
We can't remove the kmem_cache_free() in create_cache(), because other
error cases of __kmem_cache_create() do not free this.
So, revert the commit dde3c6b72a ("mm/slub: fix a memory leak in
sysfs_slab_add()") to fix this.
Reported-by: syzbot+d0bd96b4696c1ef67991@syzkaller.appspotmail.com
Fixes: dde3c6b72a ("mm/slub: fix a memory leak in sysfs_slab_add()")
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull parisc fixes from Helge Deller:
"Two small fixes:
- Fix linking error with 64-bit kernel when modules are disabled,
reported by kernel test robot
- Remove leftover reference to power_tasklet, by Davidlohr Bueso"
* 'parisc-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Enable -mlong-calls gcc option by default when !CONFIG_MODULES
parisc: Remove leftover reference to the power_tasklet
Remove the magical "repo-abbrev" comment added when this file was
introduced in e0ab1ec9fc ([PATCH] add .mailmap for proper
git-shortlog output, 2007-02-14).
It's been an undocumented feature of git-shortlog(1), originally added
to git for Linus's use. Since then he's no longer using it[1], and
I've removed the feature in git.git's 4e168333a87 (shortlog: remove
unused(?) "repo-abbrev" feature, 2021-01-12). It's on the "master"
branch, but not yet in a release version.
Let's also remove it from linux.git, both as a heads-up to any
potential users of it in linux.git whose use would be broken sooner
than later by git itself, and because it'll eventually be entirely
redundant.
1. https://lore.kernel.org/git/CAHk-=wixHyBKZVUcxq+NCWMbkrX0xnppb7UCopRWw1+oExYpYw@mail.gmail.com/
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When building a kernel without module support, the CONFIG_MLONGCALL option
needs to be enabled in order to reach symbols which are outside of a 22-bit
branch.
This patch changes the autodetection in the Kconfig script to always enable
CONFIG_MLONGCALL when modules are disabled and uses a far call to
preempt_schedule_irq() in intr_do_preempt() to reach the symbol in all cases.
Signed-off-by: Helge Deller <deller@gmx.de>
Reported-by: kernel test robot <lkp@intel.com>
Cc: stable@vger.kernel.org # v5.6+
* Documentation fixes
* Avoid performance regression due to SEV-ES patches
ARM:
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
- x86 bugfixes
- Documentation fixes
- Avoid performance regression due to SEV-ES patches
- ARM:
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest mode for VMX
KVM: x86: Revert "KVM: x86: Mark GPRs dirty when written"
KVM: SVM: Unconditionally sync GPRs to GHCB on VMRUN of SEV-ES guest
KVM: nVMX: Sync unsync'd vmcs02 state to vmcs12 on migration
kvm: tracing: Fix unmatched kvm_entry and kvm_exit events
KVM: Documentation: Update description of KVM_{GET,CLEAR}_DIRTY_LOG
KVM: x86: get smi pending status correctly
KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[]
KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh()
KVM: x86: Add more protection against undefined behavior in rsvd_bits()
KVM: Documentation: Fix spec for KVM_CAP_ENABLE_CAP_VM
KVM: Forbid the use of tagged userspace addresses for memslots
KVM: arm64: Filter out v8.1+ events on v8.0 HW
KVM: arm64: Compute TPIDR_EL2 ignoring MTE tag
KVM: arm64: Use the reg_to_encoding() macro instead of sys_reg()
KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
KVM: arm64: Simplify handling of absent PMU system registers
KVM: arm64: Hide PMU registers from userspace when not available
One new device ID here, plus an error handling fix - nothing remarkable
in either.
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Merge tag 'spi-fix-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"One new device ID here, plus an error handling fix - nothing
remarkable in either"
* tag 'spi-fix-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spidev: Add cisco device compatible
spi: altera: Fix memory leak on error path
The main thing here is a change to make sure that we don't try to double
resolve the supply of a regulator if we have two probes going on
simultaneously, plus an incremental fix on top of that to resolve a
lockdep issue it introduced.
There's also a patch from Dmitry Osipenko adding stubs for some
functions to avoid build issues in consumers in some configurations.
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Merge tag 'regulator-fix-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"The main thing here is a change to make sure that we don't try to
double resolve the supply of a regulator if we have two probes going
on simultaneously, plus an incremental fix on top of that to resolve a
lockdep issue it introduced.
There's also a patch from Dmitry Osipenko adding stubs for some
functions to avoid build issues in consumers in some configurations"
* tag 'regulator-fix-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: Fix lockdep warning resolving supplies
regulator: consumer: Add missing stubs to regulator/consumer.h
regulator: core: avoid regulator_resolve_supply() race condition
This was removed long ago, back in:
6e16d9409e ([PARISC] Convert soft power switch driver to kthread)
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
This reverts commit d3921cb8be.
Chris Wilson reports that it causes boot problems:
"We have half a dozen or so different machines in CI that are silently
failing to boot, that we believe is bisected to this patch"
and the CI team confirmed that a revert fixed the issues.
The cause is unknown for now, so let's revert it.
Link: https://lore.kernel.org/lkml/161160687463.28991.354987542182281928@build.alporthouse.com/
Reported-and-tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
raw_fmt->height in never initialized. But width in initialized twice.
Fixes: 88d06362d1 ("media: hantro: Refactor for V4L2 API spec compliancy")
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
During H264 API overhaul subtle bug was introduced Cedrus driver.
Progressive references have both, top and bottom reference flags set.
Cedrus reference list expects only bottom reference flag and only when
interlaced frames are decoded. However, due to a bug in Cedrus check,
exclusivity is not tested and that flag is set also for progressive
references. That causes "jumpy" background with many videos.
Fix that by checking that only bottom reference flag is set in control
and nothing else.
Tested-by: Andre Heider <a.heider@gmail.com>
Fixes: cfc8c3ed53 ("media: cedrus: h264: Properly configure reference field")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The BIT macro is not available in userspace, so replace BIT(0) by
0x00000001.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 6446ec6cbf ("media: v4l2-subdev: add VIDIOC_SUBDEV_QUERYCAP ioctl")
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
More fixes for v5.11, almost all driver specific issues including new
device IDs - there's one error handling fix for the topology stuff too.
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Merge tag 'asoc-fix-v5.11-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.11
More fixes for v5.11, almost all driver specific issues including new
device IDs - there's one error handling fix for the topology stuff too.
The recent commit to fix a memory leak introduced an inadvertant NULL
pointer dereference. The `wacom_wac->pen_fifo` variable was never
intialized, resuling in a crash whenever functions tried to use it.
Since the FIFO is only used by AES pens (to buffer events from pen
proximity until the hardware reports the pen serial number) this would
have been easily overlooked without testing an AES device.
This patch converts `wacom_wac->pen_fifo` over to a pointer (since the
call to `devres_alloc` allocates memory for us) and ensures that we assign
it to point to the allocated and initalized `pen_fifo` before the function
returns.
Link: https://github.com/linuxwacom/input-wacom/issues/230
Fixes: 37309f47e2 ("HID: wacom: Fix memory leakage caused by kfifo_alloc")
CC: stable@vger.kernel.org # v4.19+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Tested-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
VMX also uses KVM_REQ_GET_NESTED_STATE_PAGES for the Hyper-V eVMCS,
which may need to be loaded outside guest mode. Therefore we cannot
WARN in that case.
However, that part of nested_get_vmcs12_pages is _not_ needed at
vmentry time. Split it out of KVM_REQ_GET_NESTED_STATE_PAGES handling,
so that both vmentry and migration (and in the latter case, independent
of is_guest_mode) do the parts that are needed.
Cc: <stable@vger.kernel.org> # 5.10.x: f2c7ef3ba: KVM: nSVM: cancel KVM_REQ_GET_NESTED_STATE_PAGES
Cc: <stable@vger.kernel.org> # 5.10.x
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Revert the dirty/available tracking of GPRs now that KVM copies the GPRs
to the GHCB on any post-VMGEXIT VMRUN, even if a GPR is not dirty. Per
commit de3cd117ed ("KVM: x86: Omit caching logic for always-available
GPRs"), tracking for GPRs noticeably impacts KVM's code footprint.
This reverts commit 1c04d8c986.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210122235049.3107620-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Drop the per-GPR dirty checks when synchronizing GPRs to the GHCB, the
GRPs' dirty bits are set from time zero and never cleared, i.e. will
always be seen as dirty. The obvious alternative would be to clear
the dirty bits when appropriate, but removing the dirty checks is
desirable as it allows reverting GPR dirty+available tracking, which
adds overhead to all flavors of x86 VMs.
Note, unconditionally writing the GPRs in the GHCB is tacitly allowed
by the GHCB spec, which allows the hypervisor (or guest) to provide
unnecessary info; it's the guest's responsibility to consume only what
it needs (the hypervisor is untrusted after all).
The guest and hypervisor can supply additional state if desired but
must not rely on that additional state being provided.
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Fixes: 291bd20d5d ("KVM: SVM: Add initial support for a VMGEXIT VMEXIT")
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210122235049.3107620-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Even when we are outside the nested guest, some vmcs02 fields
may not be in sync vs vmcs12. This is intentional, even across
nested VM-exit, because the sync can be delayed until the nested
hypervisor performs a VMCLEAR or a VMREAD/VMWRITE that affects those
rarely accessed fields.
However, during KVM_GET_NESTED_STATE, the vmcs12 has to be up to date to
be able to restore it. To fix that, call copy_vmcs02_to_vmcs12_rare()
before the vmcs12 contents are copied to userspace.
Fixes: 7952d769c2 ("KVM: nVMX: Sync rarely accessed guest fields only when needed")
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210114205449.8715-2-mlevitsk@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
On VMX, if we exit and then re-enter immediately without leaving
the vmx_vcpu_run() function, the kvm_entry event is not logged.
That means we will see one (or more) kvm_exit, without its (their)
corresponding kvm_entry, as shown here:
CPU-1979 [002] 89.871187: kvm_entry: vcpu 1
CPU-1979 [002] 89.871218: kvm_exit: reason MSR_WRITE
CPU-1979 [002] 89.871259: kvm_exit: reason MSR_WRITE
It also seems possible for a kvm_entry event to be logged, but then
we leave vmx_vcpu_run() right away (if vmx->emulation_required is
true). In this case, we will have a spurious kvm_entry event in the
trace.
Fix these situations by moving trace_kvm_entry() inside vmx_vcpu_run()
(where trace_kvm_exit() already is).
A trace obtained with this patch applied looks like this:
CPU-14295 [000] 8388.395387: kvm_entry: vcpu 0
CPU-14295 [000] 8388.395392: kvm_exit: reason MSR_WRITE
CPU-14295 [000] 8388.395393: kvm_entry: vcpu 0
CPU-14295 [000] 8388.395503: kvm_exit: reason EXTERNAL_INTERRUPT
Of course, not calling trace_kvm_entry() in common x86 code any
longer means that we need to adjust the SVM side of things too.
Signed-off-by: Lorenzo Brescia <lorenzo.brescia@edu.unito.it>
Signed-off-by: Dario Faggioli <dfaggioli@suse.com>
Message-Id: <160873470698.11652.13483635328769030605.stgit@Wayrath>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Update various words, including the wrong parameter name and the vague
description of the usage of "slot" field.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Message-Id: <20201208043439.895-1-yuzenghui@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The injection process of smi has two steps:
Qemu KVM
Step1:
cpu->interrupt_request &= \
~CPU_INTERRUPT_SMI;
kvm_vcpu_ioctl(cpu, KVM_SMI)
call kvm_vcpu_ioctl_smi() and
kvm_make_request(KVM_REQ_SMI, vcpu);
Step2:
kvm_vcpu_ioctl(cpu, KVM_RUN, 0)
call process_smi() if
kvm_check_request(KVM_REQ_SMI, vcpu) is
true, mark vcpu->arch.smi_pending = true;
The vcpu->arch.smi_pending will be set true in step2, unfortunately if
vcpu paused between step1 and step2, the kvm_run->immediate_exit will be
set and vcpu has to exit to Qemu immediately during step2 before mark
vcpu->arch.smi_pending true.
During VM migration, Qemu will get the smi pending status from KVM using
KVM_GET_VCPU_EVENTS ioctl at the downtime, then the smi pending status
will be lost.
Signed-off-by: Jay Zhou <jianjay.zhou@huawei.com>
Signed-off-by: Shengen Zhuang <zhuangshengen@huawei.com>
Message-Id: <20210118084720.1585-1-jianjay.zhou@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The HW_REF_CPU_CYCLES event on the fixed counter 2 is pseudo-encoded as
0x0300 in the intel_perfmon_event_map[]. Correct its usage.
Fixes: 62079d8a43 ("KVM: PMU: add proper support for fixed counter 2")
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20201230081916.63417-1-like.xu@linux.intel.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Since we know vPMU will not work properly when (1) the guest bit_width(s)
of the [gp|fixed] counters are greater than the host ones, or (2) guest
requested architectural events exceeds the range supported by the host, so
we can setup a smaller left shift value and refresh the guest cpuid entry,
thus fixing the following UBSAN shift-out-of-bounds warning:
shift exponent 197 is too large for 64-bit type 'long long unsigned int'
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x107/0x163 lib/dump_stack.c:120
ubsan_epilogue+0xb/0x5a lib/ubsan.c:148
__ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:395
intel_pmu_refresh.cold+0x75/0x99 arch/x86/kvm/vmx/pmu_intel.c:348
kvm_vcpu_after_set_cpuid+0x65a/0xf80 arch/x86/kvm/cpuid.c:177
kvm_vcpu_ioctl_set_cpuid2+0x160/0x440 arch/x86/kvm/cpuid.c:308
kvm_arch_vcpu_ioctl+0x11b6/0x2d70 arch/x86/kvm/x86.c:4709
kvm_vcpu_ioctl+0x7b9/0xdb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3386
vfs_ioctl fs/ioctl.c:48 [inline]
__do_sys_ioctl fs/ioctl.c:753 [inline]
__se_sys_ioctl fs/ioctl.c:739 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:739
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Reported-by: syzbot+ae488dc136a4cc6ba32b@syzkaller.appspotmail.com
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20210118025800.34620-1-like.xu@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add compile-time asserts in rsvd_bits() to guard against KVM passing in
garbage hardcoded values, and cap the upper bound at '63' for dynamic
values to prevent generating a mask that would overflow a u64.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210113204515.3473079-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The documentation classifies KVM_ENABLE_CAP with KVM_CAP_ENABLE_CAP_VM
as a vcpu ioctl, which is incorrect. Fix it by specifying it as a VM
ioctl.
Fixes: e5d83c74a5 ("kvm: make KVM_CAP_ENABLE_CAP_VM architecture agnostic")
Signed-off-by: Quentin Perret <qperret@google.com>
Message-Id: <20210108165349.747359-1-qperret@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
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Merge tag 'kvmarm-fixes-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.11, take #2
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
Pull crypto fix from Herbert Xu:
"Fix a regression in the cesa driver"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: marvel/cesa - Fix tdma descriptor on 64-bit
After commit 36e2c7421f ("fs: don't allow splice read/write
without explicit ops") sendfile() could no longer send data
from a real file to a pipe, breaking for example certain cgit
setups (e.g. when running behind fcgiwrap), because in this
case cgit will try to do exactly this: sendfile() to a pipe.
Fix this by using iter_file_splice_write for the splice_write
method of pipes, as suggested by Christoph.
Cc: stable@vger.kernel.org
Fixes: 36e2c7421f ("fs: don't allow splice read/write without explicit ops")
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
layer to use write_iter. Fix the redirected_tty_write declaration
also in n_tty and change the comparisons to use write_iter instead of
write.
[ Also moved the declaration of redirected_tty_write() to the proper
location in a header file. The reason for the bug was the bogus extern
declaration in n_tty.c silently not matching the changed definition in
tty_io.c, and because it wasn't in a shared header file, there was no
cross-checking of the declaration.
Sami noticed because Clang's Control Flow Integrity checking ended up
incidentally noticing the inconsistent declaration. - Linus ]
Fixes: 9bb48c82ac ("tty: implement write_iter")
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'printk-for-5.11-urgent-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk fix from Petr Mladek:
"The fix of a potential buffer overflow in 5.11-rc5 introduced another
one. The trailing '\0' might be written up to the message "len" past
the buffer. Fortunately, it is not that easy to hit.
Most readers use 1kB buffers for a single message. Typical messages
fit into the temporary buffer with enough reserve.
Also readers do not rely on the '\0'. It is related to the previous
fix. Some readers required the space for the trailing '\0'. We decided
to write it there to avoid such regressions in the future.
The most realistic victims are dumpers using kmsg_dump_get_buffer().
They are filling the entire buffer with as many messages as possible.
They are typically used when handling panic()"
* tag 'printk-for-5.11-urgent-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: fix string termination for record_print_text()
We've had several reports of broken dependencies. The 'right' fix is
to revisit the module dependencies as suggested by Arnd Bergmann. This
is WIP at https://github.com/thesofproject/linux/pull/2683. Since this
is taking longer than expected, I am only sharing quick fixes for now.
Pierre-Louis Bossart (2):
ASoC: SOF: Intel: soundwire: fix select/depend unmet dependencies
ASoC: SOF: SND_INTEL_DSP_CONFIG dependency
sound/soc/sof/intel/Kconfig | 3 ++-
sound/soc/sof/sof-acpi-dev.c | 11 ++++++-----
sound/soc/sof/sof-pci-dev.c | 10 ++++++----
3 files changed, 14 insertions(+), 10 deletions(-)
--
2.25.1
Add flag "SOF_RT711_JD_SRC_JD2", flag "SOF_RT715_DAI_ID_FIX"
and "SOF_SDW_FOUR_SPK" to the Dell TGL-H based SKU "0A5E".
Signed-off-by: Libin Yang <libin.yang@intel.com>
Co-developed-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210125081117.814488-1-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The "dai_id" given into LPAIF_INTFDMA_REG(...) is already the real
DAI ID, not an index into v->dai_driver. Looking it up again seems
entirely redundant.
For IPQ806x (and SC7180 since commit 09a4f6f5d2
("ASoC: dt-bindings: lpass: Fix and common up lpass dai ids") this is
now often an out-of-bounds read because the indexes in the "dai_driver"
array no longer match the actual DAI ID.
Cc: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Fixes: 7cb37b7bd0 ("ASoC: qcom: Add support for lpass hdmi driver")
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210125104442.135899-1-stephan@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
MT8192 determines the I2S clock rates according to the sampling rates.
There is only 1 set of I2S in between MT8192 and RT5682. If playing and
capturing via RT5682 in different sampling rates, the I2S data will be
corrupted.
Adds format constraints to the corresponding DAI links to make sure the
sampling rates are symmetric.
Fixes: 18b13ff23f ("ASoC: mediatek: mt8192: add machine driver with mt6359, rt1015 and rt5682")
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20210125061453.1056535-1-tzungbi@google.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Reset (aka power off) happens when the reset gpio is made active.
Change function name to ak4458_reset to match devicetree property "reset-gpios"
Signed-off-by: Eliot Blennerhassett <eliot@blennerhassett.gen.nz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/ce650f47-4ff6-e486-7846-cc3d033f3601@blennerhassett.gen.nz
Signed-off-by: Mark Brown <broonie@kernel.org>
The sof-pci-dev driver fails to link when built into the kernel
and CONFIG_SND_INTEL_DSP_CONFIG is set to =m:
arm-linux-gnueabi-ld: sound/soc/sof/sof-pci-dev.o: in function `sof_pci_probe':
sof-pci-dev.c:(.text+0x1c): undefined reference to `snd_intel_dsp_driver_probe'
As a temporary fix, use IS_REACHABLE to prevent the problem from
happening. A more complete solution is to move this code to
Intel-specific parts, restructure the drivers and Kconfig as discussed
with Arnd Bergmann and Takashi Iwai.
Fixes: 82d9d54a6c ("ALSA: hda: add Intel DSP configuration / probe code")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210122005725.94163-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The LKP bot reports the following issue:
WARNING: unmet direct dependencies detected for SOUNDWIRE_INTEL
Depends on [m]: SOUNDWIRE [=m] && ACPI [=y] && SND_SOC [=y]
Selected by [y]:
- SND_SOC_SOF_INTEL_SOUNDWIRE [=y] && SOUND [=y] && !UML &&
SND [=y] && SND_SOC [=y] && SND_SOC_SOF_TOPLEVEL [=y] &&
SND_SOC_SOF_INTEL_TOPLEVEL [=y] && SND_SOC_SOF_INTEL_PCI [=y]
This comes from having tristates being configured independently, when
in practice the CONFIG_SOUNDWIRE needs to be aligned with the SOF
choices: when the SOF code is compiled as built-in, the
CONFIG_SOUNDWIRE also needs to be 'y'.
The easiest fix is to replace the 'depends' with a 'select' and have a
single user selection to activate SoundWire on Intel platforms. This
still allows regmap to be compiled independently as a module.
This is just a temporary fix, the select/depend usage will be
revisited and the SOF Kconfig re-organized, as suggested by Arnd
Bergman.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: a115ab9b8b ('ASoC: SOF: Intel: add build support for SoundWire')
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210122005725.94163-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Adding PCI id for TGL-H. Like for other TGL platforms, SOF is used if
Soundwire codecs or PCH-DMIC is detected.
Signed-off-by: Bard Liao <bard.liao@intel.com>
Reviewed-by: Xiuli Pan <xiuli.pan@intel.com>
Reviewed-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210125083051.828205-1-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Commit f0e386ee0c ("printk: fix buffer overflow potential for
print_text()") added string termination in record_print_text().
However it used the wrong base pointer for adding the terminator.
This led to a 0-byte being written somewhere beyond the buffer.
Use the correct base pointer when adding the terminator.
Fixes: f0e386ee0c ("printk: fix buffer overflow potential for print_text()")
Reported-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20210124202728.4718-1-john.ogness@linutronix.de
Palm ejection stops working on some Elan and Synaptics touchpad after
commit 40d5bb8737 ("HID: multitouch: enable multi-input as a quirk for
some devices").
The commit changes the mt_class from MT_CLS_WIN_8 to
MT_CLS_WIN_8_FORCE_MULTI_INPUT, so MT_QUIRK_CONFIDENCE isn't applied
anymore.
So also apply the quirk since MT_CLS_WIN_8_FORCE_MULTI_INPUT is
essentially MT_CLS_WIN_8.
Fixes: 40d5bb8737 ("HID: multitouch: enable multi-input as a quirk for some devices")
Cc: stable@vger.kernel.org
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Linus Torvalds