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KVM: Fix coalesced interrupt reporting in IOAPIC

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This bug was introduced by b4a2f5e723.

Cc: stable@kernel.org
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2009-09-03 12:10:34 +03:00 committed by Avi Kivity
parent a20316d2aa
commit 65a8221163
1 changed files with 2 additions and 0 deletions
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2
virt/kvm/ioapic.c
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@ -193,6 +193,8 @@ int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)
if ((edge && old_irr != ioapic->irr) || if ((edge && old_irr != ioapic->irr) ||
(!edge && !entry.fields.remote_irr)) (!edge && !entry.fields.remote_irr))
ret = ioapic_service(ioapic, irq); ret = ioapic_service(ioapic, irq);
else
ret = 0; /* report coalesced interrupt */
} }
trace_kvm_ioapic_set_irq(entry.bits, irq, ret == 0); trace_kvm_ioapic_set_irq(entry.bits, irq, ret == 0);
} }