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From: Andrea Bolognani <abologna@redhat.com>
Date: Tue, 16 Feb 2016 13:20:24 +0100
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Subject: Re: [Qemu-devel] [libvirt] [RFC PATCH 0/2] ARM: add QMP command to
 query GIC version
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: Wei Huang <wei@redhat.com>, Andrew Jones <drjones@redhat.com>, Libvirt <libvir-list@redhat.com>, QEMU Developers <qemu-devel@nongnu.org>, Peter Xu <peterx@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>

On Tue, 2016-02-16 at 12:09 +0000, Peter Maydell wrote:
> On 16 February 2016 at 12:05, Andrea Bolognani <abologna@redhat.com> wr=
ote:
> > The idea is to add this information to domain capabilities, which
> > already have virtualization type, architecture and machine type as
> > inputs.
> >=C2=A0
> > Since GIC is only available for the virt machine type on ARM hosts,
> > and the GIC versions might be limited by using TCG instead of KVM,
> > it seems like it would fit nicely...
>=C2=A0
> The GIC is available for more than just "virt". It's just that
> at the moment "virt" is the only machine type which lets you
> pick which GIC version you want, and so the only machine type
> with that machine property. (For instance vexpress-a15
> is always GICv2, since the hardware we're modelling there is
> always GICv2.)
>=C2=A0
> Other board models in future might support a choice of GIC
> versions. (The obvious possibility would be the Android
> 'ranchu' board if that is ever upstreamed.)

Yeah, I didn't express myself properly: I meant to say that the
ability to pick a GIC version is limited to the virt machine
type so far. Sorry about that :)

Cheers.

--=C2=A0
Andrea Bolognani
Software Engineer - Virtualization Team