[RFC] KVM API extensions for SVE

[Andrew Jones]

On Fri, Nov 24, 2017 at 03:45:38PM +0100, Christoffer Dall wrote:
> On Thu, Nov 23, 2017 at 06:40:50PM +0000, Dave Martin wrote:
> > 
> > I don't think it's all that bad, but there doesn't seem to be any
> > example of an optional architecture feature for a guest today --
> > so I wanted to check before setting a precedent here.
> 
> We don't enable the GIC unless userspace asks for it, same with the
> PMU...
>

And this reminds me that we need to apply the new ID register
trapping support Dave added to hiding the PMU when userspace
doesn't enable it. Patch coming in a couple seconds...

drew