On Wed, Oct 18, 2017 at 5:01 PM, Dave Martin wrote:
> On Wed, Oct 18, 2017 at 03:21:45PM +0200, Christoffer Dall wrote:
>> On Tue, Oct 17, 2017 at 04:47:08PM +0100, Dave Martin wrote:
>> > On Tue, Oct 17, 2017 at 03:29:36PM +0100, Marc Zyngier wrote:
>> > > On 17/10/17 15:07,
On Wed, Oct 18, 2017 at 03:21:45PM +0200, Christoffer Dall wrote:
> On Tue, Oct 17, 2017 at 04:47:08PM +0100, Dave Martin wrote:
> > On Tue, Oct 17, 2017 at 03:29:36PM +0100, Marc Zyngier wrote:
> > > On 17/10/17 15:07, Dave Martin wrote:
> > > > On Tue, Oct 17, 2017 at 06:58:16AM -0700,
On Tue, Oct 17, 2017 at 04:47:08PM +0100, Dave Martin wrote:
> On Tue, Oct 17, 2017 at 03:29:36PM +0100, Marc Zyngier wrote:
> > On 17/10/17 15:07, Dave Martin wrote:
> > > On Tue, Oct 17, 2017 at 06:58:16AM -0700, Christoffer Dall wrote:
> > >> On Tue, Oct 10, 2017 at 07:38:41PM +0100, Dave
On Tue, Oct 17, 2017 at 03:29:36PM +0100, Marc Zyngier wrote:
> On 17/10/17 15:07, Dave Martin wrote:
> > On Tue, Oct 17, 2017 at 06:58:16AM -0700, Christoffer Dall wrote:
> >> On Tue, Oct 10, 2017 at 07:38:41PM +0100, Dave Martin wrote:
> >>> KVM guests cannot currently use SVE, because SVE is
On 17/10/17 15:07, Dave Martin wrote:
> On Tue, Oct 17, 2017 at 06:58:16AM -0700, Christoffer Dall wrote:
>> On Tue, Oct 10, 2017 at 07:38:41PM +0100, Dave Martin wrote:
>>> KVM guests cannot currently use SVE, because SVE is always
>>> configured to trap to EL2.
>>>
>>> However, a guest that sees
On Tue, Oct 17, 2017 at 06:58:16AM -0700, Christoffer Dall wrote:
> On Tue, Oct 10, 2017 at 07:38:41PM +0100, Dave Martin wrote:
> > KVM guests cannot currently use SVE, because SVE is always
> > configured to trap to EL2.
> >
> > However, a guest that sees SVE reported as present in
> >
On Tue, Oct 10, 2017 at 07:38:41PM +0100, Dave Martin wrote:
> KVM guests cannot currently use SVE, because SVE is always
> configured to trap to EL2.
>
> However, a guest that sees SVE reported as present in
> ID_AA64PFR0_EL1 may legitimately expect that SVE works and try to
> use it. Instead
On Tue, Oct 10, 2017 at 07:38:41PM +0100, Dave P Martin wrote:
> KVM guests cannot currently use SVE, because SVE is always
> configured to trap to EL2.
>
> However, a guest that sees SVE reported as present in
> ID_AA64PFR0_EL1 may legitimately expect that SVE works and try to
> use it. Instead
[+ Christoffer]
On 10/10/17 19:38, Dave Martin wrote:
> KVM guests cannot currently use SVE, because SVE is always
> configured to trap to EL2.
>
> However, a guest that sees SVE reported as present in
> ID_AA64PFR0_EL1 may legitimately expect that SVE works and try to
> use it. Instead of
KVM guests cannot currently use SVE, because SVE is always
configured to trap to EL2.
However, a guest that sees SVE reported as present in
ID_AA64PFR0_EL1 may legitimately expect that SVE works and try to
use it. Instead of working, the guest will receive an injected
undef exception, which may
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