If a level-triggered interrupt goes down and back up before the
corresponding EOI, it should be coalesced. This fixes one testcase
in kvm-unit-tests' ioapic.flat.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
hw/intc/ioapic.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/intc/ioapic.c b/hw/intc/ioapic.c
index b527932..6ad3c66 100644
--- a/hw/intc/ioapic.c
+++ b/hw/intc/ioapic.c
@@ -98,7 +98,9 @@ static void ioapic_set_irq(void *opaque, int vector, int
level)
/* level triggered */
if (level) {
s->irr |= mask;
- ioapic_service(s);
+ if (!(entry & IOAPIC_LVT_REMOTE_IRR)) {
+ ioapic_service(s);
+ }
} else {
s->irr &= ~mask;
}
--
2.4.3
