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-rw-r--r--arch/x86/kvm/x86.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 331993c49dae..257f27620bc2 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -110,6 +110,15 @@ static inline bool is_la57_mode(struct kvm_vcpu *vcpu)
#endif
}
+static inline bool x86_exception_has_error_code(unsigned int vector)
+{
+ static u32 exception_has_error_code = BIT(DF_VECTOR) | BIT(TS_VECTOR) |
+ BIT(NP_VECTOR) | BIT(SS_VECTOR) | BIT(GP_VECTOR) |
+ BIT(PF_VECTOR) | BIT(AC_VECTOR);
+
+ return (1U << vector) & exception_has_error_code;
+}
+
static inline bool mmu_is_nested(struct kvm_vcpu *vcpu)
{
return vcpu->arch.walk_mmu == &vcpu->arch.nested_mmu;