KVM: x86: Use KVM cpu caps to detect MSR_TSC_AUX virt support

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Check for MSR_TSC_AUX virtualization via kvm_cpu_cap_has() and drop
->rdtscp_supported().

Note, vmx_rdtscp_supported() needs to hang around a tiny bit longer due
other usage in VMX code.

No functional change intended.

Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2020-03-02 15:56:57 -08:00 • committed by Paolo Bonzini

parent 7c7f954810

commit 139085101f

4 changed files with 1 additions and 11 deletions

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1

arch/x86/include/asm/kvm_host.h

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6

arch/x86/kvm/svm.c

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3

arch/x86/kvm/vmx/vmx.c

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arch/x86/kvm/x86.c

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