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KVM: VMX: Directly use VMX capabilities helper to detect RDTSCP support

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Use cpu_has_vmx_rdtscp() directly when computing secondary exec controls
and drop the now defunct vmx_rdtscp_supported().

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>
This commit is contained in:
Sean Christopherson 2020-03-02 15:56:58 -08:00 committed by Paolo Bonzini
parent 139085101f
commit a7a200eb4c
1 changed files with 1 additions and 6 deletions
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7
arch/x86/kvm/vmx/vmx.c
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@ -1687,11 +1687,6 @@ static void vmx_queue_exception(struct kvm_vcpu *vcpu)
vmx_clear_hlt(vcpu);
}
static bool vmx_rdtscp_supported(void)
{
return cpu_has_vmx_rdtscp();
}
/*
* Swap MSR entry in host/guest MSR entry array.
*/
@ -4073,7 +4068,7 @@ static void vmx_compute_secondary_exec_control(struct vcpu_vmx *vmx)
}
}
if (vmx_rdtscp_supported()) {
if (cpu_has_vmx_rdtscp()) {
bool rdtscp_enabled = guest_cpuid_has(vcpu, X86_FEATURE_RDTSCP);
if (!rdtscp_enabled)
exec_control &= ~SECONDARY_EXEC_RDTSCP;