[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] [RFC][PATCH 4/6] HVM PCI Passthrough (non-IOMMU)
> -----Original Message----- > From: Tian, Kevin [mailto:kevin.tian@xxxxxxxxx] > Sent: Friday, June 01, 2007 5:45 AM > To: Guy Zana; xen-devel@xxxxxxxxxxxxxxxxxxx > Subject: RE: [Xen-devel] [RFC][PATCH 4/6] HVM PCI Passthrough > (non-IOMMU) > > Hi, Guy, > The picture in my mind for polarity change is to change > generic level-triggered handle flow like: > > When interrupt happens, > ->ack(): > 1. Change pin's polarity > 2. EOI > > Do_IRQ_guest (either event to para-domain, or Assert/Deassert > virtual wire of HVM domain), or handled by Xen itself > > ->end(): > No-op > That's a good way to go IMO. I actually thought about something similar, but being cautious, I tried to make as few changes as I could to see if it works at first. Thanks, Guy. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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