[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [VTD][PATCH] Support intra-domain shared interrupt
Yes, I'll slip this one in. K. On 7/11/07 15:02, "Han, Weidong" <weidong.han@xxxxxxxxx> wrote: > Keir, how about this intra-domain shared interrupt patch? Attached patch > fixes memory leak issue and updates timeout function. Thanks. > > -- Weidong > > Keir Fraser wrote: >> On 5/11/07 08:52, "Han, Weidong" <weidong.han@xxxxxxxxx> wrote: >> >>> that situation two devices with different pyhsical IRQs getting >>> aliased to the same guest GSI is hard to occur. And we need one >>> guest GSI mapped to only one physical IRQ, or we can't know which >>> device issues the guest GSI. Ideally, if we can make 1:1 mapping >>> between guest GSI and physcial IRQ, the intra-domain shared >>> interrupt can naturally handled by guest. >> >> Ah, that's true. I suppose you can assign virtual devfn locations for >> devices to purposely avoid aliasing in GSI space. What do you do about >> aliasing into the ISA IRQ space? >> >> -- Keir > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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