On Wed, Oct 18, 2017 at 03:45:10PM +0100, Dave Martin wrote:
> On Wed, Oct 18, 2017 at 03:20:26PM +0200, Christoffer Dall wrote:
> > On Tue, Oct 17, 2017 at 03:08:40PM +0100, Marc Zyngier wrote:
> > > On 17/10/17 14:51, Christoffer Dall wrote:
> > > > On Tue, Oct 10, 2017 at 07:38:19PM +0100, Dave
On Wed, Oct 18, 2017 at 03:20:26PM +0200, Christoffer Dall wrote:
> On Tue, Oct 17, 2017 at 03:08:40PM +0100, Marc Zyngier wrote:
> > On 17/10/17 14:51, Christoffer Dall wrote:
> > > On Tue, Oct 10, 2017 at 07:38:19PM +0100, Dave Martin wrote:
[...]
> > >> +/* sys_reg_desc initialiser for known c
On Tue, Oct 17, 2017 at 03:08:40PM +0100, Marc Zyngier wrote:
> On 17/10/17 14:51, Christoffer Dall wrote:
> > On Tue, Oct 10, 2017 at 07:38:19PM +0100, Dave Martin wrote:
> >> Currently, a guest kernel sees the true CPU feature registers
> >> (ID_*_EL1) when it reads them using MRS instructions.
On 17/10/17 14:51, Christoffer Dall wrote:
> On Tue, Oct 10, 2017 at 07:38:19PM +0100, Dave Martin wrote:
>> Currently, a guest kernel sees the true CPU feature registers
>> (ID_*_EL1) when it reads them using MRS instructions. This means
>> that the guest will observe features that are present in
On Tue, Oct 10, 2017 at 07:38:19PM +0100, Dave Martin wrote:
> Currently, a guest kernel sees the true CPU feature registers
> (ID_*_EL1) when it reads them using MRS instructions. This means
> that the guest will observe features that are present in the
> hardware but the host doesn't understand
[+ Christoffer]
On 10/10/17 19:38, Dave Martin wrote:
> Currently, a guest kernel sees the true CPU feature registers
> (ID_*_EL1) when it reads them using MRS instructions. This means
> that the guest will observe features that are present in the
> hardware but the host doesn't understand or doe
On Tue, Oct 10, 2017 at 07:38:19PM +0100, Dave P Martin wrote:
> Currently, a guest kernel sees the true CPU feature registers
> (ID_*_EL1) when it reads them using MRS instructions. This means
> that the guest will observe features that are present in the
> hardware but the host doesn't understan
Currently, a guest kernel sees the true CPU feature registers
(ID_*_EL1) when it reads them using MRS instructions. This means
that the guest will observe features that are present in the
hardware but the host doesn't understand or doesn't provide support
for. A guest may legimitately try to use
