[PATCH 2/2] KVM: SVM: Add support for perf-kvm

[Joerg Roedel <joerg.roedel@amd.com>]

This patch adds the necessary code to run perf-kvm on AMD
machines.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
 arch/x86/kvm/svm.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 54ce246..73a8f1d 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3645,13 +3645,21 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
 
 	local_irq_disable();
 
-	stgi();
-
 	vcpu->arch.cr2 = svm->vmcb->save.cr2;
 	vcpu->arch.regs[VCPU_REGS_RAX] = svm->vmcb->save.rax;
 	vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp;
 	vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip;
 
+	if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI))
+		kvm_before_handle_nmi(&svm->vcpu);
+
+	stgi();
+
+	/* Any pending NMI will happen here */
+
+	if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI))
+		kvm_after_handle_nmi(&svm->vcpu);
+
 	sync_cr8_to_lapic(vcpu);
 
 	svm->next_rip = 0;
-- 
1.7.1