[PATCH v3 0/2] KVM: ARM: Enable vtimers with user space gic

[Peter Maydell]

On 17 September 2016 at 16:28, Ard Biesheuvel <ard.biesheuvel at linaro.org> wrote:
> Another thing to keep in mind is that GICv2
> compatibility is disabled on the non-secure side if the secure side
> elects to configure its view of the GIC as v3 (i.e., in order to
> support >8 cores)

If I'm reading the 'legacy configurations' chapter of the GICv3
spec correctly, that is true for the NS host OS (ie the one
handling physical interrupts) but a guest OS can still use
the old GICv2-compat interface (assuming it was implemented
in silicon at all).

thanks
-- PMM