KVM: x86/pmu: Expose CPUIDs feature bits PDCM, DS, DTES64

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The CPUID features PDCM, DS and DTES64 are required for PEBS feature.
KVM would expose CPUID feature PDCM, DS and DTES64 to guest when PEBS
is supported in the KVM on the Ice Lake server platforms.

Originally-by: Andi Kleen <ak@linux.intel.com>
Co-developed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Co-developed-by: Luwei Kang <luwei.kang@intel.com>
Signed-off-by: Luwei Kang <luwei.kang@intel.com>
Signed-off-by: Like Xu <likexu@tencent.com>
Message-Id: <20220411101946.20262-18-likexu@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

...

This commit is contained in:

Like Xu 2022-04-11 18:19:46 +08:00 • committed by Paolo Bonzini

parent 59cc99f6e9

commit cf8e55fe50

2 changed files with 32 additions and 11 deletions

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28

arch/x86/kvm/vmx/capabilities.h

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15

arch/x86/kvm/vmx/vmx.c

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