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authorMichael S. Tsirkin <mst@redhat.com>2012-06-24 16:25:00 (GMT)
committerAvi Kivity <avi@redhat.com>2012-06-25 09:40:50 (GMT)
commitd905c0693514e6f713b207377b67c9972c5d7d49 (patch)
treea5387b1ab6f44e06b2a7de5c1dca2811ce508f5e
parent5cfb1d5a65dd96d2d3a0751a1e4e81dc84c1f08f (diff)
downloadlinux-d905c0693514e6f713b207377b67c9972c5d7d49.tar.xz
KVM: rearrange injection cancelling code
Each time we need to cancel injection we invoke same code (cancel_injection callback). Move it towards the end of function using the familiar goto on error pattern. Will make it easier to do more cleanups for PV EOI. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/x86/kvm/x86.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c1f8706..7ea0f61 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5296,8 +5296,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
r = kvm_mmu_reload(vcpu);
if (unlikely(r)) {
- kvm_x86_ops->cancel_injection(vcpu);
- goto out;
+ goto cancel_injection;
}
preempt_disable();
@@ -5322,9 +5321,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
smp_wmb();
local_irq_enable();
preempt_enable();
- kvm_x86_ops->cancel_injection(vcpu);
r = 1;
- goto out;
+ goto cancel_injection;
}
srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
@@ -5392,6 +5390,10 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
kvm_lapic_sync_from_vapic(vcpu);
r = kvm_x86_ops->handle_exit(vcpu);
+ return r;
+
+cancel_injection:
+ kvm_x86_ops->cancel_injection(vcpu);
out:
return r;
}