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ioapic: clear irq_eoi when updating the ioapic redirect table entry

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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>
This commit is contained in:
Li Qiang 2019-06-24 08:16:35 -07:00 committed by Paolo Bonzini
parent 9a4bb8391f
commit d15d3d573a
1 changed files with 1 additions and 0 deletions
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hw/intc/ioapic.c
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@ -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);
}