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SubjectRe: [PATCH v9 0/8] x86/cpu, kvm: Support AMD Automatic IBRS
On Tue, Jan 24, 2023, Kim Phillips wrote:
> Kim Phillips (8):
> x86/cpu, kvm: Add support for CPUID_80000021_EAX
> KVM: x86: Move open-coded cpuid leaf 0x80000021 EAX bit propagation
> code
> x86/cpu, kvm: Add the NO_NESTED_DATA_BP feature
> x86/cpu, kvm: Move X86_FEATURE_LFENCE_RDTSC to its native leaf
> x86/cpu, kvm: Add the Null Selector Clears Base feature
> x86/cpu, kvm: Add the SMM_CTL MSR not present feature
> x86/cpu: Support AMD Automatic IBRS
> KVM: x86: Propagate the AMD Automatic IBRS feature to the guest
>
> Documentation/admin-guide/hw-vuln/spectre.rst | 6 ++--
> .../admin-guide/kernel-parameters.txt | 6 ++--
> arch/x86/include/asm/cpufeature.h | 7 +++--
> arch/x86/include/asm/cpufeatures.h | 11 ++++++--
> arch/x86/include/asm/disabled-features.h | 3 +-
> arch/x86/include/asm/msr-index.h | 2 ++
> arch/x86/include/asm/required-features.h | 3 +-
> arch/x86/kernel/cpu/amd.c | 2 +-
> arch/x86/kernel/cpu/bugs.c | 20 +++++++------
> arch/x86/kernel/cpu/common.c | 26 +++++++++--------
> arch/x86/kvm/cpuid.c | 28 ++++++-------------
> arch/x86/kvm/reverse_cpuid.h | 1 +
> arch/x86/kvm/svm/svm.c | 3 ++
> arch/x86/kvm/x86.c | 3 ++
> 14 files changed, 70 insertions(+), 51 deletions(-)
>
> --

With my goof in the LFENCE_RDTSC patch fixed,

Acked-by: Sean Christopherson <seanjc@google.com>

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