diff mbox series

[PULL,06/12] ioapic: clear irq_eoi when updating the ioapic redirect table entry

Message ID 1562358202-28008-7-git-send-email-pbonzini@redhat.com
State New
Headers show
Series [PULL,01/12] pc: fix possible NULL pointer dereference in pc_machine_get_device_memory_region_size() | expand

Commit Message

Paolo Bonzini July 5, 2019, 8:23 p.m. UTC 
From: Li Qiang <liq3ea@163.com>

irq_eoi is used to count the number of irq injected during eoi
broadcast. It should be set to 0 when updating the ioapic's redirect
table entry.

Suggested-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190624151635.22494-1-liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/intc/ioapic.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/hw/intc/ioapic.c b/hw/intc/ioapic.c
index 7074489..db9e518 100644
--- a/hw/intc/ioapic.c
+++ b/hw/intc/ioapic.c
@@ -380,6 +380,7 @@  ioapic_mem_write(void *opaque, hwaddr addr, uint64_t val,
                 /* restore RO bits */
                 s->ioredtbl[index] &= IOAPIC_RW_BITS;
                 s->ioredtbl[index] |= ro_bits;
+                s->irq_eoi[index] = 0;
                 ioapic_fix_edge_remote_irr(&s->ioredtbl[index]);
                 ioapic_service(s);
             }