diff options
Diffstat (limited to 'arch/x86/kvm/vmx/capabilities.h')
| -rw-r--r-- | arch/x86/kvm/vmx/capabilities.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/capabilities.h b/arch/x86/kvm/vmx/capabilities.h index da3db1a37b34..787edd8c1fc7 100644 --- a/arch/x86/kvm/vmx/capabilities.h +++ b/arch/x86/kvm/vmx/capabilities.h @@ -387,7 +387,12 @@ static inline u64 vmx_get_perf_capabilities(void) static inline u64 vmx_supported_debugctl(void) { - return 0; + u64 debugctl = 0; + + if (vmx_get_perf_capabilities() & PMU_CAP_LBR_FMT) + debugctl |= DEBUGCTLMSR_LBR; + + return debugctl; } #endif /* __KVM_X86_VMX_CAPS_H */ |