X86_FEATURE_PAUSEFILTER
if (guest_cpu_cap_has(vcpu, X86_FEATURE_PAUSEFILTER))
if (boot_cpu_has(X86_FEATURE_PAUSEFILTER))
kvm_cpu_cap_set(X86_FEATURE_PAUSEFILTER);
if (!boot_cpu_has(X86_FEATURE_PAUSEFILTER)) {