Drop the manual kvm_pmu_refresh() from kvm_pmu_init() now that
kvm_arch_vcpu_create() performs the refresh via kvm_vcpu_after_set_cpuid().
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20241128013424.4096668-12-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Let vendor code inline __kvm_is_valid_cr4() now x86.c's cr4_reserved_bits
no longer exists, as keeping cr4_reserved_bits local to x86.c was the only
reason for "hiding" the definition of __kvm_is_valid_cr4().
No functional change intended.
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20241128013424.4096668-11-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Extend x86's set sregs test to verify that KVM sets/clears OSXSAVE and
OSKPKE according to CR4.XSAVE and CR4.PKE respectively. For performance
reasons, KVM is responsible for emulating the architectural behavior of
the OS CPUID bits tracking CR4.
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Binbin Wu <binbin.wu@linux.intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20241128013424.4096668-10-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Refresh selftests' CPUID cache in the vCPU structure when querying a CPUID
entry so that tests don't consume stale data when KVM modifies CPUID as a
side effect to a completely unrelated change. E.g. KVM adjusts OSXSAVE in
response to CR4.OSXSAVE changes.
Unnecessarily invoking KVM_GET_CPUID is suboptimal, but vcpu->cpuid exists
to simplify selftests development, not for performance reasons. And,
unfortunately, trying to handle the side effects in tests or other flows
is unpleasant, e.g. selftests could manually refresh if KVM_SET_SREGS is
successful, but that would still leave a gap with respect to guest CR4
changes.
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20241128013424.4096668-9-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Add a sanity check in __vcpu_get_cpuid_entry() to provide a friendlier
error than a segfault when a test developer tries to use a vCPU CPUID
helper on a barebones vCPU.
Link: https://lore.kernel.org/r/20241128013424.4096668-8-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Rework x86's set sregs test to verify that KVM enforces CPUID vs. CR4
features even if userspace hasn't explicitly set guest CPUID. KVM used to
allow userspace to set any KVM-supported CR4 value prior to KVM_SET_CPUID2,
and the test verified that behavior.
However, the testcase was written purely to verify KVM's existing behavior,
i.e. was NOT written to match the needs of real world VMMs.
Opportunistically verify that KVM continues to reject unsupported features
after KVM_SET_CPUID2 (using KVM_GET_SUPPORTED_CPUID).
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Binbin Wu <binbin.wu@linux.intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20241128013424.4096668-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Drop x86.c's local pre-computed cr4_reserved bits and instead fold KVM's
reserved bits into the guest's reserved bits. This fixes a bug where VMX's
set_cr4_guest_host_mask() fails to account for KVM-reserved bits when
deciding which bits can be passed through to the guest. In most cases,
letting the guest directly write reserved CR4 bits is ok, i.e. attempting
to set the bit(s) will still #GP, but not if a feature is available in
hardware but explicitly disabled by the host, e.g. if FSGSBASE support is
disabled via "nofsgsbase".
Note, the extra overhead of computing host reserved bits every time
userspace sets guest CPUID is negligible. The feature bits that are
queried are packed nicely into a handful of words, and so checking and
setting each reserved bit costs in the neighborhood of ~5 cycles, i.e. the
total cost will be in the noise even if the number of checked CR4 bits
doubles over the next few years. In other words, x86 will run out of CR4
bits long before the overhead becomes problematic.
Note #2, __cr4_reserved_bits() starts from CR4_RESERVED_BITS, which is
why the existing __kvm_cpu_cap_has() processing doesn't explicitly OR in
CR4_RESERVED_BITS (and why the new code doesn't do so either).
Fixes: 2ed41aa631 ("KVM: VMX: Intercept guest reserved CR4 bits to inject #GP fault")
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Chao Gao <chao.gao@intel.com>
Reviewed-by: Binbin Wu <binbin.wu@linux.intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20241128013424.4096668-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Explicitly perform runtime CPUID adjustments as part of the "after set
CPUID" flow to guard against bugs where KVM consumes stale vCPU/CPUID
state during kvm_update_cpuid_runtime(). E.g. see commit 4736d85f0d
("KVM: x86: Use actual kvm_cpuid.base for clearing KVM_FEATURE_PV_UNHALT").
Whacking each mole individually is not sustainable or robust, e.g. while
the aforemention commit fixed KVM's PV features, the same issue lurks for
Xen and Hyper-V features, Xen and Hyper-V simply don't have any runtime
features (though spoiler alert, neither should KVM).
Updating runtime features in the "full" path will also simplify adding a
snapshot of the guest's capabilities, i.e. of caching the intersection of
guest CPUID and kvm_cpu_caps (modulo a few edge cases).
Link: https://lore.kernel.org/r/20241128013424.4096668-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
During vCPU creation, process KVM's default, empty CPUID as if userspace
set an empty CPUID to ensure consistent and correct behavior with respect
to guest CPUID. E.g. if userspace never sets guest CPUID, KVM will never
configure cr4_guest_rsvd_bits, and thus create divergent, incorrect, guest-
visible behavior due to letting the guest set any KVM-supported CR4 bits
despite the features not being allowed per guest CPUID.
Note! This changes KVM's ABI, as lack of full CPUID processing allowed
userspace to stuff garbage vCPU state, e.g. userspace could set CR4 to a
guest-unsupported value via KVM_SET_SREGS. But it's extremely unlikely
that this is a breaking change, as KVM already has many flows that require
userspace to set guest CPUID before loading vCPU state. E.g. multiple MSR
flows consult guest CPUID on host writes, and KVM_SET_SREGS itself already
relies on guest CPUID being up-to-date, as KVM's validity check on CR3
consumes CPUID.0x7.1 (for LAM) and CPUID.0x80000008 (for MAXPHYADDR).
Furthermore, the plan is to commit to enforcing guest CPUID for userspace
writes to MSRs, at which point bypassing sregs CPUID checks is even more
nonsensical.
Link: https://lore.kernel.org/r/20241128013424.4096668-4-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Define and undefine the F() and SF() macros precisely around
kvm_set_cpu_caps() to make it all but impossible to use the macros outside
of kvm_cpu_cap_{mask,init_kvm_defined}(). Currently, F() is a simple
passthrough, but SF() is actively dangerous as it checks that the scattered
feature is supported by the host kernel.
And usage outside of the aforementioned helpers will run afoul of future
changes to harden KVM's CPUID management.
Opportunistically switch to feature_bit() when stuffing LA57 based on raw
hardware support.
No functional change intended.
Link: https://lore.kernel.org/r/20241128013424.4096668-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
When clearing CONSTANT_TSC during CPUID emulation due to a Hyper-V quirk,
use feature_bit() instead of SF() to ensure the bit is actually cleared.
SF() evaluates to zero if the _host_ doesn't support the feature. I.e.
KVM could keep the bit set if userspace advertised CONSTANT_TSC despite
it not being supported in hardware.
Note, translating from a scattered feature to a the hardware version is
done by __feature_translate(), not SF(). The sole purpose of SF() is to
check kernel support for the scattered feature, *before* translation.
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20241128013424.4096668-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Now that KVM selftests uses the kernel's canonical arch paths, directly
override ARCH to 'x86' when targeting x86_64 instead of defining ARCH_DIR
to redirect to appropriate paths. ARCH_DIR was originally added to deal
with KVM selftests using the target triple ARCH for directories, e.g.
s390x and aarch64; keeping it around just to deal with the one-off alias
from x86_64=>x86 is unnecessary and confusing.
Note, even when selftests are built from the top-level Makefile, ARCH is
scoped to KVM's makefiles, i.e. overriding ARCH won't trip up some other
selftests that (somehow) expects x86_64 and can't work with x86.
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-17-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Use the kernel's canonical $(ARCH) paths instead of the raw target triple
for KVM selftests directories. KVM selftests are quite nearly the only
place in the entire kernel that using the target triple for directories,
tools/testing/selftests/drivers/s390x being the lone holdout.
Using the kernel's preferred nomenclature eliminates the minor, but
annoying, friction of having to translate to KVM's selftests directories,
e.g. for pattern matching, opening files, running selftests, etc.
Opportunsitically delete file comments that reference the full path of the
file, as they are obviously prone to becoming stale, and serve no known
purpose.
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-16-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Provide empty targets for KVM selftests if the target architecture is
unsupported to make it obvious which architectures are supported, and so
that various side effects don't fail and/or do weird things, e.g. as is,
"mkdir -p $(sort $(dir $(TEST_GEN_PROGS)))" fails due to a missing operand,
and conversely, "$(shell mkdir -p $(sort $(OUTPUT)/$(ARCH_DIR) ..." will
create an empty, useless directory for the unsupported architecture.
Move the guts of the Makefile to Makefile.kvm so that it's easier to see
that the if-statement effectively guards all of KVM selftests.
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-15-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Add two phases to mmu_stress_test to verify that KVM correctly handles
guest memory that was writable, and then made read-only in the primary MMU,
and then made writable again.
Add bonus coverage for x86 and arm64 to verify that all of guest memory was
marked read-only. Making forward progress (without making memory writable)
requires arch specific code to skip over the faulting instruction, but the
test can at least verify each vCPU's starting page was made read-only for
other architectures.
Link: https://lore.kernel.org/r/20241128005547.4077116-14-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Add a third phase of mmu_stress_test to verify that mprotect()ing guest
memory to make it read-only doesn't cause explosions, e.g. to verify KVM
correctly handles the resulting mmu_notifier invalidations.
Reviewed-by: James Houghton <jthoughton@google.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-13-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Run the exact number of guest loops required in mmu_stress_test instead
of looping indefinitely in anticipation of adding more stages that run
different code (e.g. reads instead of writes).
Reviewed-by: James Houghton <jthoughton@google.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-12-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Use vcpu_arch_put_guest() to write memory from the guest in
mmu_stress_test as an easy way to provide a bit of extra coverage.
Reviewed-by: James Houghton <jthoughton@google.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-11-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Enable the mmu_stress_test on arm64. The intent was to enable the test
across all architectures when it was first added, but a few goofs made it
unrunnable on !x86. Now that those goofs are fixed, at least for arm64,
enable the test.
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Marc Zyngier <maz@kernel.org>
Reviewed-by: James Houghton <jthoughton@google.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-10-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Explicitly include ucall_common.h in the MMU stress test, as unlike arm64
and x86-64, RISC-V doesn't include ucall_common.h in its processor.h, i.e.
this will allow enabling the test on RISC-V.
Reported-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-9-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Create mmu_stress_tests's VM with the correct number of extra pages needed
to map all of memory in the guest. The bug hasn't been noticed before as
the test currently runs only on x86, which maps guest memory with 1GiB
pages, i.e. doesn't need much memory in the guest for page tables.
Reviewed-by: James Houghton <jthoughton@google.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-8-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Try to get/set SREGS in mmu_stress_test only when running on x86, as the
ioctls are supported only by x86 and PPC, and the latter doesn't yet
support KVM selftests.
Reviewed-by: James Houghton <jthoughton@google.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Rename max_guest_memory_test to mmu_stress_test so that the name isn't
horribly misleading when future changes extend the test to verify things
like mprotect() interactions, and because the test is useful even when its
configured to populate far less than the maximum amount of guest memory.
Reviewed-by: James Houghton <jthoughton@google.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Don't check for an unhandled exception if KVM_RUN failed, e.g. if it
returned errno=EFAULT, as reporting unhandled exceptions is done via a
ucall, i.e. requires KVM_RUN to exit cleanly. Theoretically, checking
for a ucall on a failed KVM_RUN could get a false positive, e.g. if there
were stale data in vcpu->run from a previous exit.
Reviewed-by: James Houghton <jthoughton@google.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Assert that the register being read/written by vcpu_{g,s}et_reg() is no
larger than a uint64_t, i.e. that a selftest isn't unintentionally
truncating the value being read/written.
Ideally, the assert would be done at compile-time, but that would limit
the checks to hardcoded accesses and/or require fancier compile-time
assertion infrastructure to filter out dynamic usage.
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-4-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Return a uint64_t from vcpu_get_reg() instead of having the caller provide
a pointer to storage, as none of the vcpu_get_reg() usage in KVM selftests
accesses a register larger than 64 bits, and vcpu_set_reg() only accepts a
64-bit value. If a use case comes along that needs to get a register that
is larger than 64 bits, then a utility can be added to assert success and
take a void pointer, but until then, forcing an out param yields ugly code
and prevents feeding the output of vcpu_get_reg() into vcpu_set_reg().
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Define KVM_REG_SIZE() in the common kvm.h header, and delete the arm64 and
RISC-V versions. As evidenced by the surrounding definitions, all aspects
of the register size encoding are generic, i.e. RISC-V should have moved
arm64's definition to common code instead of copy+pasting.
Acked-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
- Replace csr_write() with csr_set() for HVIEN PMU overflow bit
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Merge tag 'kvm-riscv-fixes-6.13-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv fixes for 6.13, take #1
- Replace csr_write() with csr_set() for HVIEN PMU overflow bit
Snapshot the output of CPUID.0xD.[1..n] during kvm.ko initiliaization to
avoid the overead of CPUID during runtime. The offset, size, and metadata
for CPUID.0xD.[1..n] sub-leaves does not depend on XCR0 or XSS values, i.e.
is constant for a given CPU, and thus can be cached during module load.
On Intel's Emerald Rapids, CPUID is *wildly* expensive, to the point where
recomputing XSAVE offsets and sizes results in a 4x increase in latency of
nested VM-Enter and VM-Exit (nested transitions can trigger
xstate_required_size() multiple times per transition), relative to using
cached values. The issue is easily visible by running `perf top` while
triggering nested transitions: kvm_update_cpuid_runtime() shows up at a
whopping 50%.
As measured via RDTSC from L2 (using KVM-Unit-Test's CPUID VM-Exit test
and a slightly modified L1 KVM to handle CPUID in the fastpath), a nested
roundtrip to emulate CPUID on Skylake (SKX), Icelake (ICX), and Emerald
Rapids (EMR) takes:
SKX 11650
ICX 22350
EMR 28850
Using cached values, the latency drops to:
SKX 6850
ICX 9000
EMR 7900
The underlying issue is that CPUID itself is slow on ICX, and comically
slow on EMR. The problem is exacerbated on CPUs which support XSAVES
and/or XSAVEC, as KVM invokes xstate_required_size() twice on each
runtime CPUID update, and because there are more supported XSAVE features
(CPUID for supported XSAVE feature sub-leafs is significantly slower).
SKX:
CPUID.0xD.2 = 348 cycles
CPUID.0xD.3 = 400 cycles
CPUID.0xD.4 = 276 cycles
CPUID.0xD.5 = 236 cycles
<other sub-leaves are similar>
EMR:
CPUID.0xD.2 = 1138 cycles
CPUID.0xD.3 = 1362 cycles
CPUID.0xD.4 = 1068 cycles
CPUID.0xD.5 = 910 cycles
CPUID.0xD.6 = 914 cycles
CPUID.0xD.7 = 1350 cycles
CPUID.0xD.8 = 734 cycles
CPUID.0xD.9 = 766 cycles
CPUID.0xD.10 = 732 cycles
CPUID.0xD.11 = 718 cycles
CPUID.0xD.12 = 734 cycles
CPUID.0xD.13 = 1700 cycles
CPUID.0xD.14 = 1126 cycles
CPUID.0xD.15 = 898 cycles
CPUID.0xD.16 = 716 cycles
CPUID.0xD.17 = 748 cycles
CPUID.0xD.18 = 776 cycles
Note, updating runtime CPUID information multiple times per nested
transition is itself a flaw, especially since CPUID is a mandotory
intercept on both Intel and AMD. E.g. KVM doesn't need to ensure emulated
CPUID state is up-to-date while running L2. That flaw will be fixed in a
future patch, as deferring runtime CPUID updates is more subtle than it
appears at first glance, the benefits aren't super critical to have once
the XSAVE issue is resolved, and caching CPUID output is desirable even if
KVM's updates are deferred.
Cc: Jim Mattson <jmattson@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20241211013302.1347853-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- Fix confusion with implicitly-shifted MDCR_EL2 masks breaking
SPE/TRBE initialization
- Align nested page table walker with the intended memory attribute
combining rules of the architecture
- Prevent userspace from constraining the advertised ASID width,
avoiding horrors of guest TLBIs not matching the intended context in
hardware
- Don't leak references on LPIs when insertion into the translation
cache fails
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Merge tag 'kvmarm-fixes-6.13-2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.13, part #2
- Fix confusion with implicitly-shifted MDCR_EL2 masks breaking
SPE/TRBE initialization
- Align nested page table walker with the intended memory attribute
combining rules of the architecture
- Prevent userspace from constraining the advertised ASID width,
avoiding horrors of guest TLBIs not matching the intended context in
hardware
- Don't leak references on LPIs when insertion into the translation
cache fails
- Have the BCM2836 interrupt controller enter power management states properly
- Other fixlets
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Merge tag 'irq_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Fix a /proc/interrupts formatting regression
- Have the BCM2836 interrupt controller enter power management states
properly
- Other fixlets
* tag 'irq_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/stm32mp-exti: CONFIG_STM32MP_EXTI should not default to y when compile-testing
genirq/proc: Add missing space separator back
irqchip/bcm2836: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND
irqchip/gic-v3: Fix irq_complete_ack() comment
conjunction with overly long idle sleeps, falsely trigger the negative
motion detection of clocksources
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Merge tag 'timers_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Borislav Petkov:
- Handle the case where clocksources with small counter width can,
in conjunction with overly long idle sleeps, falsely trigger the
negative motion detection of clocksources
* tag 'timers_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Make negative motion detection more robust
the guest when it has been set already on the host
- Make sure cacheinfo structures memory is allocated to address a boot NULL
ptr dereference on Intel Meteor Lake which has different numbers of subleafs
in its CPUID(4) leaf
- Take care of the GDT restoring on the kexec path too, as expected by
the kernel
- Make sure SMP is not disabled when IO-APIC is disabled on the kernel
cmdline
- Add a PGD flag _PAGE_NOPTISHADOW to instruct machinery not to propagate
changes to the kernelmode page tables, to the user portion, in PTI
- Mark Intel Lunar Lake as affected by an issue where MONITOR wakeups can get
lost and thus user-visible delays happen
- Make sure PKRU is properly restored with XRSTOR on AMD after a PRKU write of
0 (WRPKRU) which will mark PKRU in its init state and thus lose the
actual buffer
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Merge tag 'x86_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Have the Automatic IBRS setting check on AMD does not falsely fire in
the guest when it has been set already on the host
- Make sure cacheinfo structures memory is allocated to address a boot
NULL ptr dereference on Intel Meteor Lake which has different numbers
of subleafs in its CPUID(4) leaf
- Take care of the GDT restoring on the kexec path too, as expected by
the kernel
- Make sure SMP is not disabled when IO-APIC is disabled on the kernel
cmdline
- Add a PGD flag _PAGE_NOPTISHADOW to instruct machinery not to
propagate changes to the kernelmode page tables, to the user portion,
in PTI
- Mark Intel Lunar Lake as affected by an issue where MONITOR wakeups
can get lost and thus user-visible delays happen
- Make sure PKRU is properly restored with XRSTOR on AMD after a PRKU
write of 0 (WRPKRU) which will mark PKRU in its init state and thus
lose the actual buffer
* tag 'x86_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/CPU/AMD: WARN when setting EFER.AUTOIBRS if and only if the WRMSR fails
x86/cacheinfo: Delete global num_cache_leaves
cacheinfo: Allocate memory during CPU hotplug if not done from the primary CPU
x86/kexec: Restore GDT on return from ::preserve_context kexec
x86/cpu/topology: Remove limit of CPUs due to disabled IO/APIC
x86/mm: Add _PAGE_NOPTISHADOW bit to avoid updating userspace page tables
x86/cpu: Add Lunar Lake to list of CPUs with a broken MONITOR implementation
x86/pkeys: Ensure updated PKRU value is XRSTOR'd
x86/pkeys: Change caller of update_pkru_in_sigframe()
The usual bunch of singletons - please see the relevant changelogs for
details.
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Merge tag 'mm-hotfixes-stable-2024-12-07-22-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"24 hotfixes. 17 are cc:stable. 15 are MM and 9 are non-MM.
The usual bunch of singletons - please see the relevant changelogs for
details"
* tag 'mm-hotfixes-stable-2024-12-07-22-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (24 commits)
iio: magnetometer: yas530: use signed integer type for clamp limits
sched/numa: fix memory leak due to the overwritten vma->numab_state
mm/damon: fix order of arguments in damos_before_apply tracepoint
lib: stackinit: hide never-taken branch from compiler
mm/filemap: don't call folio_test_locked() without a reference in next_uptodate_folio()
scatterlist: fix incorrect func name in kernel-doc
mm: correct typo in MMAP_STATE() macro
mm: respect mmap hint address when aligning for THP
mm: memcg: declare do_memsw_account inline
mm/codetag: swap tags when migrate pages
ocfs2: update seq_file index in ocfs2_dlm_seq_next
stackdepot: fix stack_depot_save_flags() in NMI context
mm: open-code page_folio() in dump_page()
mm: open-code PageTail in folio_flags() and const_folio_flags()
mm: fix vrealloc()'s KASAN poisoning logic
Revert "readahead: properly shorten readahead when falling back to do_page_cache_ra()"
selftests/damon: add _damon_sysfs.py to TEST_FILES
selftest: hugetlb_dio: fix test naming
ocfs2: free inode when ocfs2_get_init_inode() fails
nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry()
...
Since commit 13b25489b6 ("kbuild: change working directory to external
module directory with M="), the Debian package build fails if a relative
path is specified with the O= option.
$ make O=build bindeb-pkg
[ snip ]
dpkg-deb: building package 'linux-image-6.13.0-rc1' in '../linux-image-6.13.0-rc1_6.13.0-rc1-6_amd64.deb'.
Rebuilding host programs with x86_64-linux-gnu-gcc...
make[6]: Entering directory '/home/masahiro/linux/build'
/home/masahiro/linux/Makefile:190: *** specified kernel directory "build" does not exist. Stop.
This occurs because the sub_make_done flag is cleared, even though the
working directory is already in the output directory.
Passing KBUILD_OUTPUT=. resolves the issue.
Fixes: 13b25489b6 ("kbuild: change working directory to external module directory with M=")
Reported-by: Charlie Jenkins <charlie@rivosinc.com>
Closes: https://lore.kernel.org/all/Z1DnP-GJcfseyrM3@ghost/
Tested-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
The compiler can fully inline the actual handler function of an interrupt
entry into the .irqentry.text entry point. If such a function contains an
access which has an exception table entry, modpost complains about a
section mismatch:
WARNING: vmlinux.o(__ex_table+0x447c): Section mismatch in reference ...
The relocation at __ex_table+0x447c references section ".irqentry.text"
which is not in the list of authorized sections.
Add .irqentry.text to OTHER_SECTIONS to cure the issue.
Reported-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org # needed for linux-5.4-y
Link: https://lore.kernel.org/all/20241128111844.GE10431@google.com/
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Merge tag '6.13-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- DFS fix (for race with tree disconnect and dfs cache worker)
- Four fixes for SMB3.1.1 posix extensions:
- improve special file support e.g. to Samba, retrieving the file
type earlier
- reduce roundtrips (e.g. on ls -l, in some cases)
* tag '6.13-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: fix potential race in cifs_put_tcon()
smb3.1.1: fix posix mounts to older servers
fs/smb/client: cifs_prime_dcache() for SMB3 POSIX reparse points
fs/smb/client: Implement new SMB3 POSIX type
fs/smb/client: avoid querying SMB2_OP_QUERY_WSL_EA for SMB3 POSIX
Large number of small fixes, all in drivers. The three largest fixes
are dead code removal in bfa, qla2xxx: fix abort timeout in bsg and
mpi3mr: Fix corrupt config pages PHY state is switched in sysfs
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Large number of small fixes, all in drivers"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (32 commits)
scsi: scsi_debug: Fix hrtimer support for ndelay
scsi: storvsc: Do not flag MAINTENANCE_IN return of SRB_STATUS_DATA_OVERRUN as an error
scsi: ufs: core: Add missing post notify for power mode change
scsi: sg: Fix slab-use-after-free read in sg_release()
scsi: ufs: core: sysfs: Prevent div by zero
scsi: qla2xxx: Update version to 10.02.09.400-k
scsi: qla2xxx: Supported speed displayed incorrectly for VPorts
scsi: qla2xxx: Fix NVMe and NPIV connect issue
scsi: qla2xxx: Remove check req_sg_cnt should be equal to rsp_sg_cnt
scsi: qla2xxx: Fix use after free on unload
scsi: qla2xxx: Fix abort in bsg timeout
scsi: mpi3mr: Update driver version to 8.12.0.3.50
scsi: mpi3mr: Handling of fault code for insufficient power
scsi: mpi3mr: Start controller indexing from 0
scsi: mpi3mr: Fix corrupt config pages PHY state is switched in sysfs
scsi: mpi3mr: Synchronize access to ioctl data buffer
scsi: mpt3sas: Update driver version to 51.100.00.00
scsi: mpt3sas: Diag-Reset when Doorbell-In-Use bit is set during driver load time
scsi: ufs: pltfrm: Dellocate HBA during ufshcd_pltfrm_remove()
scsi: ufs: pltfrm: Drop PM runtime reference count after ufshcd_remove()
...
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Merge tag 'block-6.13-20241207' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- Target fix using incorrect zero buffer (Nilay)
- Device specifc deallocate quirk fixes (Christoph, Keith)
- Fabrics fix for handling max command target bugs (Maurizio)
- Cocci fix usage for kzalloc (Yu-Chen)
- DMA size fix for host memory buffer feature (Christoph)
- Fabrics queue cleanup fixes (Chunguang)
- CPU hotplug ordering fixes
- Add missing MODULE_DESCRIPTION for rnull
- bcache error value fix
- virtio-blk queue freeze fix
* tag 'block-6.13-20241207' of git://git.kernel.dk/linux:
blk-mq: move cpuhp callback registering out of q->sysfs_lock
blk-mq: register cpuhp callback after hctx is added to xarray table
virtio-blk: don't keep queue frozen during system suspend
nvme-tcp: simplify nvme_tcp_teardown_io_queues()
nvme-tcp: no need to quiesce admin_q in nvme_tcp_teardown_io_queues()
nvme-rdma: unquiesce admin_q before destroy it
nvme-tcp: fix the memleak while create new ctrl failed
nvme-pci: don't use dma_alloc_noncontiguous with 0 merge boundary
nvmet: replace kmalloc + memset with kzalloc for data allocation
nvme-fabrics: handle zero MAXCMD without closing the connection
bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again
nvme-pci: remove two deallocate zeroes quirks
block: rnull: add missing MODULE_DESCRIPTION
nvme: don't apply NVME_QUIRK_DEALLOCATE_ZEROES when DSM is not supported
nvmet: use kzalloc instead of ZERO_PAGE in nvme_execute_identify_ns_nvm()
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Merge tag 'io_uring-6.13-20241207' of git://git.kernel.dk/linux
Pull io_uring fix from Jens Axboe:
"A single fix for a parameter type which affects 32-bit"
* tag 'io_uring-6.13-20241207' of git://git.kernel.dk/linux:
io_uring: Change res2 parameter type in io_uring_cmd_done
- Fix several issues for BPF LPM trie map which were found by
syzbot and during addition of new test cases (Hou Tao)
- Fix a missing process_iter_arg register type check in the
BPF verifier (Kumar Kartikeya Dwivedi, Tao Lyu)
- Fix several correctness gaps in the BPF verifier when
interacting with the BPF stack without CAP_PERFMON
(Kumar Kartikeya Dwivedi, Eduard Zingerman, Tao Lyu)
- Fix OOB BPF map writes when deleting elements for the case of
xsk map as well as devmap (Maciej Fijalkowski)
- Fix xsk sockets to always clear DMA mapping information when
unmapping the pool (Larysa Zaremba)
- Fix sk_mem_uncharge logic in tcp_bpf_sendmsg to only uncharge
after sent bytes have been finalized (Zijian Zhang)
- Fix BPF sockmap with vsocks which was missing a queue check
in poll and sockmap cleanup on close (Michal Luczaj)
- Fix tools infra to override makefile ARCH variable if defined
but empty, which addresses cross-building tools. (Björn Töpel)
- Fix two resolve_btfids build warnings on unresolved bpf_lsm
symbols (Thomas Weißschuh)
- Fix a NULL pointer dereference in bpftool (Amir Mohammadi)
- Fix BPF selftests to check for CONFIG_PREEMPTION instead of
CONFIG_PREEMPT (Sebastian Andrzej Siewior)
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull bpf fixes from Daniel Borkmann::
- Fix several issues for BPF LPM trie map which were found by syzbot
and during addition of new test cases (Hou Tao)
- Fix a missing process_iter_arg register type check in the BPF
verifier (Kumar Kartikeya Dwivedi, Tao Lyu)
- Fix several correctness gaps in the BPF verifier when interacting
with the BPF stack without CAP_PERFMON (Kumar Kartikeya Dwivedi,
Eduard Zingerman, Tao Lyu)
- Fix OOB BPF map writes when deleting elements for the case of xsk map
as well as devmap (Maciej Fijalkowski)
- Fix xsk sockets to always clear DMA mapping information when
unmapping the pool (Larysa Zaremba)
- Fix sk_mem_uncharge logic in tcp_bpf_sendmsg to only uncharge after
sent bytes have been finalized (Zijian Zhang)
- Fix BPF sockmap with vsocks which was missing a queue check in poll
and sockmap cleanup on close (Michal Luczaj)
- Fix tools infra to override makefile ARCH variable if defined but
empty, which addresses cross-building tools. (Björn Töpel)
- Fix two resolve_btfids build warnings on unresolved bpf_lsm symbols
(Thomas Weißschuh)
- Fix a NULL pointer dereference in bpftool (Amir Mohammadi)
- Fix BPF selftests to check for CONFIG_PREEMPTION instead of
CONFIG_PREEMPT (Sebastian Andrzej Siewior)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (31 commits)
selftests/bpf: Add more test cases for LPM trie
selftests/bpf: Move test_lpm_map.c to map_tests
bpf: Use raw_spinlock_t for LPM trie
bpf: Switch to bpf mem allocator for LPM trie
bpf: Fix exact match conditions in trie_get_next_key()
bpf: Handle in-place update for full LPM trie correctly
bpf: Handle BPF_EXIST and BPF_NOEXIST for LPM trie
bpf: Remove unnecessary kfree(im_node) in lpm_trie_update_elem
bpf: Remove unnecessary check when updating LPM trie
selftests/bpf: Add test for narrow spill into 64-bit spilled scalar
selftests/bpf: Add test for reading from STACK_INVALID slots
selftests/bpf: Introduce __caps_unpriv annotation for tests
bpf: Fix narrow scalar spill onto 64-bit spilled scalar slots
bpf: Don't mark STACK_INVALID as STACK_MISC in mark_stack_slot_misc
samples/bpf: Remove unnecessary -I flags from libbpf EXTRA_CFLAGS
bpf: Zero index arg error string for dynptr and iter
selftests/bpf: Add tests for iter arg check
bpf: Ensure reg is PTR_TO_STACK in process_iter_arg
tools: Override makefile ARCH variable if defined, but empty
selftests/bpf: Add apply_bytes test to test_txmsg_redir_wait_sndmem in test_sockmap
...
- MTE/hugetlbfs:
- Set VM_MTE_ALLOWED in the arch code and remove it from the core code
for hugetlbfs mappings
- Fix copy_highpage() warning when the source is a huge page but not
MTE tagged, taking the wrong small page path
- drivers/virt/coco:
- Add the pKVM and Arm CCA drivers under the arm64 maintainership
- Fix the pkvm driver to fall back to ioremap() (and warn) if the
MMIO_GUARD hypercall fails
- Keep the Arm CCA driver default 'n' rather than 'm'
- A series of fixes for the arm64 ptrace() implementation, potentially
leading to the kernel consuming uninitialised stack variables when
PTRACE_SETREGSET is invoked with a length of 0
- Fix zone_dma_limit calculation when RAM starts below 4GB and ZONE_DMA
is capped to this limit
- Fix early boot warning with CONFIG_DEBUG_VIRTUAL=y triggered by a call
to page_to_phys() (from patch_map()) which checks pfn_valid() before
vmemmap has been set up
- Do not clobber bits 15:8 of the ASID used for TTBR1_EL1 and TLBI ops
when the kernel assumes 8-bit ASIDs but running under a hypervisor on
a system that implements 16-bit ASIDs (found running Linux under
Parallels on Apple M4)
- ACPI/IORT: Add PMCG platform information for HiSilicon HIP09A as it is
using the same SMMU PMCG as HIP09 and suffers from the same errata
- Add GCS to cpucap_is_possible(), missed in the recent merge
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"Nothing major, some left-overs from the recent merging window (MTE,
coco) and some newly found issues like the ptrace() ones.
- MTE/hugetlbfs:
- Set VM_MTE_ALLOWED in the arch code and remove it from the core
code for hugetlbfs mappings
- Fix copy_highpage() warning when the source is a huge page but
not MTE tagged, taking the wrong small page path
- drivers/virt/coco:
- Add the pKVM and Arm CCA drivers under the arm64 maintainership
- Fix the pkvm driver to fall back to ioremap() (and warn) if the
MMIO_GUARD hypercall fails
- Keep the Arm CCA driver default 'n' rather than 'm'
- A series of fixes for the arm64 ptrace() implementation,
potentially leading to the kernel consuming uninitialised stack
variables when PTRACE_SETREGSET is invoked with a length of 0
- Fix zone_dma_limit calculation when RAM starts below 4GB and
ZONE_DMA is capped to this limit
- Fix early boot warning with CONFIG_DEBUG_VIRTUAL=y triggered by a
call to page_to_phys() (from patch_map()) which checks pfn_valid()
before vmemmap has been set up
- Do not clobber bits 15:8 of the ASID used for TTBR1_EL1 and TLBI
ops when the kernel assumes 8-bit ASIDs but running under a
hypervisor on a system that implements 16-bit ASIDs (found running
Linux under Parallels on Apple M4)
- ACPI/IORT: Add PMCG platform information for HiSilicon HIP09A as it
is using the same SMMU PMCG as HIP09 and suffers from the same
errata
- Add GCS to cpucap_is_possible(), missed in the recent merge"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: ptrace: fix partial SETREGSET for NT_ARM_GCS
arm64: ptrace: fix partial SETREGSET for NT_ARM_POE
arm64: ptrace: fix partial SETREGSET for NT_ARM_FPMR
arm64: ptrace: fix partial SETREGSET for NT_ARM_TAGGED_ADDR_CTRL
arm64: cpufeature: Add GCS to cpucap_is_possible()
coco: virt: arm64: Do not enable cca guest driver by default
arm64: mte: Fix copy_highpage() warning on hugetlb folios
arm64: Ensure bits ASID[15:8] are masked out when the kernel uses 8-bit ASIDs
ACPI/IORT: Add PMCG platform information for HiSilicon HIP09A
MAINTAINERS: Add CCA and pKVM CoCO guest support to the ARM64 entry
drivers/virt: pkvm: Don't fail ioremap() call if MMIO_GUARD fails
arm64: patching: avoid early page_to_phys()
arm64: mm: Fix zone_dma_limit calculation
arm64: mte: set VM_MTE_ALLOWED for hugetlbfs at correct place
Rework of NUMA initialization in arch_numa dropped a check that refused to
accept configurations with invalid node IDs.
Restore that check to ensure that when firmware passes invalid nodes, such
configuration is rejected and kernel gracefully falls back to dummy NUMA.
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Merge tag 'fixes-2024-12-06' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fixes from Mike Rapoport:
"Restore check for node validity in arch_numa.
The rework of NUMA initialization in arch_numa dropped a check that
refused to accept configurations with invalid node IDs.
Restore that check to ensure that when firmware passes invalid nodes,
such configuration is rejected and kernel gracefully falls back to
dummy NUMA"
* tag 'fixes-2024-12-06' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
arch_numa: Restore nid checks before registering a memblock with a node
memblock: allow zero threshold in validate_numa_converage()
- amdgu: mostly display fixes + jpeg vcn 1.0, sriov, dcn4.0 resume
firxes
- amdkfd fixes
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Merge tag 'drm-fixes-2024-12-06' of https://gitlab.freedesktop.org/drm/kernel
Pull more drm fixes from Simona Vetter:
"Due to mailing list unreliability we missed the amdgpu pull, hence
part two with that now included:
- amdgu: mostly display fixes + jpeg vcn 1.0, sriov, dcn4.0 resume
fixes
- amdkfd fixes"
* tag 'drm-fixes-2024-12-06' of https://gitlab.freedesktop.org/drm/kernel:
drm/amdgpu: rework resume handling for display (v2)
drm/amd/pm: fix and simplify workload handling
Revert "drm/amd/pm: correct the workload setting"
drm/amdgpu: fix sriov reinit late orders
drm/amdgpu: Fix ISP hw init issue
drm/amd/display: Add hblank borrowing support
drm/amd/display: Limit VTotal range to max hw cap minus fp
drm/amd/display: Correct prefetch calculation
drm/amd/display: Add option to retrieve detile buffer size
drm/amd/display: Add a left edge pixel if in YCbCr422 or YCbCr420 and odm
drm/amdkfd: hard-code cacheline for gc943,gc944
drm/amdkfd: add MEC version that supports no PCIe atomics for GFX12
drm/amd/display: Fix programming backlight on OLED panels
drm/amd: Sanity check the ACPI EDID
drm/amdgpu/hdp7.0: do a posting read when flushing HDP
drm/amdgpu/hdp6.0: do a posting read when flushing HDP
drm/amdgpu/hdp5.2: do a posting read when flushing HDP
drm/amdgpu/hdp5.0: do a posting read when flushing HDP
drm/amdgpu/hdp4.0: do a posting read when flushing HDP
drm/amdgpu/jpeg1.0: fix idle work handler
dma-fence:
- Fix reference leak on fence-merge failure path
- Simplify fence merging with kernel's sort()
- Fix dma_fence_array_signaled() to ensure forward progress
dp_mst:
- Fix MST sideband message body length check
- Fix a bunch of locking/state handling with DP MST msgs
sti:
- Add __iomem for mixer_dbg_mxn()'s parameter
xe:
- Missing init value and 64-bit write-order check
- Fix a memory allocation issue causing lockdep violation
v3d:
- performance counter fix.
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Merge tag 'drm-fixes-2024-12-07' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Pretty quiet week which is probably expected after US holidays, the
dma-fence and displayport MST message handling fixes make up the bulk
of this, along with a couple of minor xe and other driver fixes.
dma-fence:
- Fix reference leak on fence-merge failure path
- Simplify fence merging with kernel's sort()
- Fix dma_fence_array_signaled() to ensure forward progress
dp_mst:
- Fix MST sideband message body length check
- Fix a bunch of locking/state handling with DP MST msgs
sti:
- Add __iomem for mixer_dbg_mxn()'s parameter
xe:
- Missing init value and 64-bit write-order check
- Fix a memory allocation issue causing lockdep violation
v3d:
- Performance counter fix"
* tag 'drm-fixes-2024-12-07' of https://gitlab.freedesktop.org/drm/kernel:
drm/v3d: Enable Performance Counters before clearing them
drm/dp_mst: Use reset_msg_rx_state() instead of open coding it
drm/dp_mst: Reset message rx state after OOM in drm_dp_mst_handle_up_req()
drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()
drm/dp_mst: Fix down request message timeout handling
drm/dp_mst: Simplify error path in drm_dp_mst_handle_down_rep()
drm/dp_mst: Verify request type in the corresponding down message reply
drm/dp_mst: Fix resetting msg rx state after topology removal
drm/xe: Move the coredump registration to the worker thread
drm/xe/guc: Fix missing init value and add register order check
drm/sti: Add __iomem for mixer_dbg_mxn's parameter
drm/dp_mst: Fix MST sideband message body length check
dma-buf: fix dma_fence_array_signaled v4
dma-fence: Use kernel's sort for merging fences
dma-fence: Fix reference leak on fence merge failure path
A collection of small fixes that have been gathered in the week.
- Fix the missing XRUN handling in USB-audio low latency mode
- Fix regression by the previous USB-audio hadening change
- Clean up old SH sound driver to use the standard helpers
- A few further fixes for MIDI 2.0 UMP handling
- Various HD-audio and USB-audio quirks
- Fix jack handling at PM on ASoC Intel AVS
- Misc small fixes for ASoC SOF and Mediatek
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Merge tag 'sound-6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes that have been gathered in the week.
- Fix the missing XRUN handling in USB-audio low latency mode
- Fix regression by the previous USB-audio hadening change
- Clean up old SH sound driver to use the standard helpers
- A few further fixes for MIDI 2.0 UMP handling
- Various HD-audio and USB-audio quirks
- Fix jack handling at PM on ASoC Intel AVS
- Misc small fixes for ASoC SOF and Mediatek"
* tag 'sound-6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek: Fix spelling mistake "Firelfy" -> "Firefly"
ASoC: mediatek: mt8188-mt6359: Remove hardcoded dmic codec
ALSA: hda/realtek: fix micmute LEDs don't work on HP Laptops
ALSA: usb-audio: Add extra PID for RME Digiface USB
ALSA: usb-audio: Fix a DMA to stack memory bug
ASoC: SOF: ipc3-topology: fix resource leaks in sof_ipc3_widget_setup_comp_dai()
ALSA: hda/realtek: Add support for Samsung Galaxy Book3 360 (NP730QFG)
ASoC: Intel: avs: da7219: Remove suspend_pre() and resume_post()
ALSA: hda/tas2781: Fix error code tas2781_read_acpi()
ALSA: hda/realtek: Enable mute and micmute LED on HP ProBook 430 G8
ALSA: usb-audio: add mixer mapping for Corsair HS80
ALSA: ump: Shut up truncated string warning
ALSA: sh: Use standard helper for buffer accesses
ALSA: usb-audio: Notify xrun for low-latency mode
ALSA: hda/conexant: fix Z60MR100 startup pop issue
ALSA: ump: Update legacy substream names upon FB info update
ALSA: ump: Indicate the inactive group in legacy substream names
ALSA: ump: Don't open legacy substream for an inactive group
ALSA: seq: ump: Fix seq port updates per FB info notify
