From: Jason Wang <jasowang@redhat.com>
Date: Thu, 8 Mar 2012 10:07:56 +0000 (+0800)
Subject: KVM: SVM: count all irq windows exit
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=675acb758ab2381c72fe3ceb5c091cbd0879d4dd;p=deliverable%2Flinux.git

KVM: SVM: count all irq windows exit

Also count the exits of fast-path.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index e334389e1c75..f3167208562e 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3240,6 +3240,7 @@ static int interrupt_window_interception(struct vcpu_svm *svm)
 	svm_clear_vintr(svm);
 	svm->vmcb->control.int_ctl &= ~V_IRQ_MASK;
 	mark_dirty(svm->vmcb, VMCB_INTR);
+	++svm->vcpu.stat.irq_window_exits;
 	/*
 	 * If the user space waits to inject interrupts, exit as soon as
 	 * possible
@@ -3247,7 +3248,6 @@ static int interrupt_window_interception(struct vcpu_svm *svm)
 	if (!irqchip_in_kernel(svm->vcpu.kvm) &&
 	    kvm_run->request_interrupt_window &&
 	    !kvm_cpu_has_interrupt(&svm->vcpu)) {
-		++svm->vcpu.stat.irq_window_exits;
 		kvm_run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN;
 		return 0;
 	}