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| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2020-03-02 15:56:57 -0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-03-16 17:58:35 +0100 |
| commit | 139085101f8500b09c681b1e52c3839df681a0d2 (patch) | |
| tree | 76aabf1887b7e63850330270b732917790ddeab6 /arch/x86/kvm/x86.c | |
| parent | 7c7f9548108926dbf6776b1cfe748f7c617cfd36 (diff) | |
| download | lwn-139085101f8500b09c681b1e52c3839df681a0d2.tar.gz lwn-139085101f8500b09c681b1e52c3839df681a0d2.zip | |
KVM: x86: Use KVM cpu caps to detect MSR_TSC_AUX virt support
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>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 51a49a6ed070..fd0889f2f37f 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5215,7 +5215,7 @@ static void kvm_init_msr_list(void) continue; break; case MSR_TSC_AUX: - if (!kvm_x86_ops->rdtscp_supported()) + if (!kvm_cpu_cap_has(X86_FEATURE_RDTSCP)) continue; break; case MSR_IA32_RTIT_CTL: |