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Commit 3781c01c authored by Joerg Roedel's avatar Joerg Roedel Committed by Marcelo Tosatti
Browse files

KVM: SVM: Add support for perf-kvm 



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

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent a9179499

arch/x86/kvm/svm.c

+10 −2
Original line number Original line Diff line number Diff line
@@ -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;