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KVM: SVM: Add support for perf-kvm

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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>
This commit is contained in:
Joerg Roedel
2011-01-14 16:45:02 +01:00
committed by Marcelo Tosatti
parent a917949935
commit 3781c01c15
1 changed files with 10 additions and 2 deletions
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12
arch/x86/kvm/svm.c
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@@ -3647,13 +3647,21 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
local_irq_disable(); local_irq_disable();
stgi();
vcpu->arch.cr2 = svm->vmcb->save.cr2; vcpu->arch.cr2 = svm->vmcb->save.cr2;
vcpu->arch.regs[VCPU_REGS_RAX] = svm->vmcb->save.rax; 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_RSP] = svm->vmcb->save.rsp;
vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip; 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); sync_cr8_to_lapic(vcpu);
svm->next_rip = 0; svm->next_rip = 0;