Re: Hardware support for vt-posted interrupts described in vt-directed-io-spec for assigned devices

Alex Williamson
2015-03-20T14:21:28Z

On Fri, 2015-03-20 at 15:10 +0100, Eric Auger wrote:
> On 03/20/2015 03:04 PM, Alex Williamson wrote:
> > On Fri, 2015-03-20 at 15:24 +0530, bk rakesh wrote:
> >> Adding few more information regarding the setup which i had created to
> >> test the vt-d posted interrupts for assigned devices,
> >>
> >> Hardware used for evaluating vt-posted interrupts
> >> cpu "E5-2620 v2 @ 2.10GHz" and "S2600CP server board"
> >>
> >> I had used kernel-3.18 patched with "KVM-VFIO IRQ forward
> >> control(posted by eric.auger@linaro.org)",
> >
> > IRQ forwarding in an ARM technology for handling level triggered
> > interrupts, not Intel, not even x86.
>
> Hi Alex,
>
> Feng's series relies on few pacth files in "KVM-VFIO IRQ forward
> control", basically for KVM_DEV_VFIO_DEVICE group introduction in
> KVM-VFIO. This explains why you find some references to that patch here
> I guess.

Ah yes, makes sense. Thanks,

Alex