diff options
Diffstat (limited to 'arch/x86/kvm/xen.h')
| -rw-r--r-- | arch/x86/kvm/xen.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/kvm/xen.h b/arch/x86/kvm/xen.h index 28e9c9892628..ec3d8f6d0ef5 100644 --- a/arch/x86/kvm/xen.h +++ b/arch/x86/kvm/xen.h @@ -9,14 +9,20 @@ #ifndef __ARCH_X86_KVM_XEN_H__ #define __ARCH_X86_KVM_XEN_H__ +#include <linux/jump_label_ratelimit.h> + +extern struct static_key_false_deferred kvm_xen_enabled; + int kvm_xen_hypercall(struct kvm_vcpu *vcpu); int kvm_xen_write_hypercall_page(struct kvm_vcpu *vcpu, u64 data); int kvm_xen_hvm_config(struct kvm *kvm, struct kvm_xen_hvm_config *xhc); +void kvm_xen_destroy_vm(struct kvm *kvm); static inline bool kvm_xen_hypercall_enabled(struct kvm *kvm) { - return kvm->arch.xen_hvm_config.flags & - KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL; + return static_branch_unlikely(&kvm_xen_enabled.key) && + (kvm->arch.xen_hvm_config.flags & + KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL); } #endif /* __ARCH_X86_KVM_XEN_H__ */ |