diff mbox

[1/4] KVM: SVM: introduce disable_nmi_singlestep helper

Message ID 20170615112032.15812-2-lprosek@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ladi Prosek June 15, 2017, 11:20 a.m. UTC 
Just moving the code to a new helper in preparation for subsequent
commits.

Signed-off-by: Ladi Prosek <lprosek@redhat.com>
---
 arch/x86/kvm/svm.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index ba9891a..27521a0 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -963,6 +963,14 @@  static void svm_disable_lbrv(struct vcpu_svm *svm)
 	set_msr_interception(msrpm, MSR_IA32_LASTINTTOIP, 0, 0);
 }
 
+static void disable_nmi_singlestep(struct vcpu_svm *svm)
+{
+	svm->nmi_singlestep = false;
+	if (!(svm->vcpu.guest_debug & KVM_GUESTDBG_SINGLESTEP))
+		svm->vmcb->save.rflags &=
+			~(X86_EFLAGS_TF | X86_EFLAGS_RF);
+}
+
 /* Note:
  * This hash table is used to map VM_ID to a struct kvm_arch,
  * when handling AMD IOMMU GALOG notification to schedule in
@@ -2111,10 +2119,7 @@  static int db_interception(struct vcpu_svm *svm)
 	}
 
 	if (svm->nmi_singlestep) {
-		svm->nmi_singlestep = false;
-		if (!(svm->vcpu.guest_debug & KVM_GUESTDBG_SINGLESTEP))
-			svm->vmcb->save.rflags &=
-				~(X86_EFLAGS_TF | X86_EFLAGS_RF);
+		disable_nmi_singlestep(svm);
 	}
 
 	if (svm->vcpu.guest_debug &