diff options
| -rw-r--r-- | arch/x86/kvm/xen.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/xen.h b/arch/x86/kvm/xen.h index e92e06926f76..1e3a913dfb94 100644 --- a/arch/x86/kvm/xen.h +++ b/arch/x86/kvm/xen.h @@ -58,6 +58,9 @@ static inline bool kvm_xen_msr_enabled(struct kvm *kvm) static inline bool kvm_xen_is_hypercall_page_msr(struct kvm *kvm, u32 msr) { + if (!static_branch_unlikely(&kvm_xen_enabled.key)) + return false; + return msr && msr == kvm->arch.xen_hvm_config.msr; } |