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Re: [Qemu-arm] [PATCH RFC 6/7] ARM64: KVM: Support heterogeneous system
From: |
Andrew Jones |
Subject: |
Re: [Qemu-arm] [PATCH RFC 6/7] ARM64: KVM: Support heterogeneous system |
Date: |
Wed, 15 Mar 2017 16:32:37 +0100 |
User-agent: |
Mutt/1.6.0.1 (2016-04-01) |
On Wed, Mar 15, 2017 at 04:22:37PM +0100, Christoffer Dall wrote:
> On Wed, Mar 15, 2017 at 03:06:33PM +0100, Andrew Jones wrote:
> > On Wed, Mar 15, 2017 at 02:36:45PM +0100, Christoffer Dall wrote:
> > > > If QEMU wants to know
> > > > whether or not the host it's running on is heterogeneous, then
> > > > it can just query sysfs, rather than ask KVM.
> > > >
> > >
> > > Can it? Is this information available in a reliable way from userspace?
> >
> > I don't know much (anything) about it, but, afaict, yes. See
> > https://lkml.org/lkml/2017/1/19/380
> >
> > > > > I'm sure I missed some aspect of this discussion though.
> > > >
> > > > Me too. As we discussed, it's probably time to try and hash out a fresh
> > > > design doc. It'd be good to get a clear design agreed upon before
> > > > returning to the patches.
> > > >
> > >
> > > Yes, it's on my list.
> >
> > I'm happy to help with this, even to take a stab at the first draft. Just
> > let me know if you or Shannon prefer to do the draft yourselves. If you
> > don't have a preference, then I can start working on it pretty soon.
> >
> I'd be really happy for you to draft a new design doc, and I can review
> in private or publicly first as you prefer.
>
OK, I'll hopefully have something pulled together by the end of next week.
Thanks,
drew