diff options
| -rw-r--r-- | hw/intc/ioapic.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/hw/intc/ioapic.c b/hw/intc/ioapic.c index 2d3282a864..a00d88210a 100644 --- a/hw/intc/ioapic.c +++ b/hw/intc/ioapic.c @@ -117,21 +117,25 @@ static void ioapic_service(IOAPICCommonState *s) s->ioredtbl[i] |= IOAPIC_LVT_REMOTE_IRR; } + if (coalesce) { + /* We are level triggered interrupts, and the + * guest should be still working on previous one, + * so skip it. */ + continue; + } + #ifdef CONFIG_KVM if (kvm_irqchip_is_split()) { if (info.trig_mode == IOAPIC_TRIGGER_EDGE) { kvm_set_irq(kvm_state, i, 1); kvm_set_irq(kvm_state, i, 0); } else { - if (!coalesce) { - kvm_set_irq(kvm_state, i, 1); - } + kvm_set_irq(kvm_state, i, 1); } continue; } -#else - (void)coalesce; #endif + /* No matter whether IR is enabled, we translate * the IOAPIC message into a MSI one, and its * address space will decide whether we need a |