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authorJoerg Roedel <joerg.roedel@amd.com>2011-01-14 18:45:02 +0300
committerMarcelo Tosatti <mtosatti@redhat.com>2011-03-17 19:08:25 +0300
commit3781c01c1574a2cd58fd5ba2bf58c710edff3da5 (patch)
treecef40dc24b87e82842845c618daa18136a3aedd1
parenta9179499350d30446d8983d272a9157963604b0f (diff)
downloadlinux-3781c01c1574a2cd58fd5ba2bf58c710edff3da5.tar.xz
KVM: SVM: Add support for perf-kvm
This patch adds the necessary code to run perf-kvm on AMD machines. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/x86/kvm/svm.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 63fec1531e89..bfb49489566e 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3647,13 +3647,21 @@ 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;