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ioapic_ack_new
2007 May 31
4
[RFC][PATCH 4/6] HVM PCI Passthrough (non-IOMMU)
int.patch:
- Supports only level-triggered interrupts. Edge interrupts support
will be
added shortly (should be fairly simple)
- Change polarity trick: in order to reflect the external device''s
assertion
state, the ioapic pin gets its polarity changed whenever an
interrupt
occur. So an interrupt is generated when the _external_ line is
asserted
(then,