On Wed, 8 Jul 2020 17:25:46 +0100, Will Deacon wrote:
> PAGE_HYP_DEVICE is intended to encode attribute bits for an EL2 stage-1
> pte mapping a device. Unfortunately, it includes PROT_DEVICE_nGnRE which
> encodes attributes for EL1 stage-1 mappings such as UXN and nG, which are
> RES0 for EL2, and
On 2020-07-08 17:25, Will Deacon wrote:
PAGE_HYP_DEVICE is intended to encode attribute bits for an EL2 stage-1
pte mapping a device. Unfortunately, it includes PROT_DEVICE_nGnRE
which
encodes attributes for EL1 stage-1 mappings such as UXN and nG, which
are
RES0 for EL2, and DBM which is
Hi Marc,
At first I was a bit apprehensive about adding yet another layer of indirection
to
the arch timer. But after spending some time trying to figure out if there's a
better way to do it, I came to the conclusion that the patch is actually an
improvement because it makes it obvious what
On Tue, Jul 07, 2020 at 10:33:50PM +0100, Andrew Scull wrote:
> On Tue, Jul 07, 2020 at 05:59:58PM +0100, Dave Martin wrote:
> > On Tue, Jul 07, 2020 at 03:57:13PM +0100, Andrew Scull wrote:
> > > The FPSIMD registers can be in one of three states:
> > > (a) loaded with the user task's state
> >
PAGE_HYP_DEVICE is intended to encode attribute bits for an EL2 stage-1
pte mapping a device. Unfortunately, it includes PROT_DEVICE_nGnRE which
encodes attributes for EL1 stage-1 mappings such as UXN and nG, which are
RES0 for EL2, and DBM which is meaningless as TCR_EL2.HD is not set.
Fix the
Hi Marc, Andrew,
On 06/07/2020 11:11, Marc Zyngier wrote:
> On 2020-07-06 10:52, Andrew Scull wrote:
>> HVC_SOFT_RESTART is given values for x0-2 that it should installed
>> before exiting to the new address so should not set x0 to stub HVC
>> success or failure code.
>> diff --git
