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![Michael S. Tsirkin](/assets/img/avatar_default.png)
PCI spec states: if a masked vector has its Pending bit set, and the associated underlying interrupt events are somehow satisfied (usually by software though the exact manner is function-specific), the function must clear the Pending bit, to avoid sending a spurious interrupt message later when software unmasks the vector. In our case this happens if vector becomes unused. Clear pending bit in this case. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Read the documentation in qemu-doc.html. Fabrice Bellard.
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