Re: [XenARM] [RFC PATCH 0/2] Add support for a fake, para-virtualised machine

[Will Deacon <will.deacon@xxxxxxx>]

On Wed, Dec 05, 2012 at 03:07:05PM +0000, Nicolas Pitre wrote:
> On Wed, 5 Dec 2012, Catalin Marinas wrote:
> > On 4 December 2012 18:14, Will Deacon <will.deacon@xxxxxxx> wrote:
> > > Well, this depends on the guest taking an undefined instruction exception 
> > > on
> > > the smc, then deciding to issue an hvc instead and *then* having the
> > > hypervisor somehow translate that into a PSCI invocation. It could work, 
> > > but
> > > it sounds easy to mess up and relies on the PSCI firmware co-existing with
> > > things like kvm.
> > 
> > We can have enable-method DT entries independent of the SoC and one of
> > them can be psci-hvc.
> > 
> > Just for clarification, AArch32 with virtualisation mandates the
> > security extensions, so the SMC can be trapped.
> 
> Good. Therefore this one is settled.

Looks we replied at the same time! Please see my other mail...

Will

_______________________________________________
Xen-arm mailing list
Xen-arm@xxxxxxxxxxxxx
http://lists.xen.org/cgi-bin/mailman/listinfo/xen-arm