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Subject[PATCH 24/46] KVM: Move exception handling to the same place as other events
Date
From: Gleb Natapov <gleb@redhat.com>

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/kvm/x86.c | 21 +++++++++------------
1 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a2f5a9c..d2e1ffb 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -223,13 +223,6 @@ void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code)
}
EXPORT_SYMBOL_GPL(kvm_queue_exception_e);

-static void __queue_exception(struct kvm_vcpu *vcpu)
-{
- kvm_x86_ops->queue_exception(vcpu, vcpu->arch.exception.nr,
- vcpu->arch.exception.has_error_code,
- vcpu->arch.exception.error_code);
-}
-
/*
* Load the pae pdptrs. Return true is they are all valid.
*/
@@ -3487,9 +3480,16 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu)
kvm_x86_ops->update_cr8_intercept(vcpu, tpr, max_irr);
}

-static void inject_pending_irq(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+static void inject_pending_event(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
/* try to reinject previous events if any */
+ if (vcpu->arch.exception.pending) {
+ kvm_x86_ops->queue_exception(vcpu, vcpu->arch.exception.nr,
+ vcpu->arch.exception.has_error_code,
+ vcpu->arch.exception.error_code);
+ return;
+ }
+
if (vcpu->arch.nmi_injected) {
kvm_x86_ops->set_nmi(vcpu);
return;
@@ -3570,10 +3570,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
goto out;
}

- if (vcpu->arch.exception.pending)
- __queue_exception(vcpu);
- else
- inject_pending_irq(vcpu, kvm_run);
+ inject_pending_event(vcpu, kvm_run);

/* enable NMI/IRQ window open exits if needed */
if (vcpu->arch.nmi_pending)
--
1.6.4.1


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