On Sun, 26 Jul 2020 18:55:17 +0530, Aneesh Kumar K.V wrote:
> POWER6 only support AMR update via privileged mode(MSR[PR] = 0, SPRN_AMR=29)
> The PR=1 alias for that SPR (SPRN_AMR=13) was only supported
> from POWER7. Since we don't allow userspace modifying of AMR value
> we should disable pkey
POWER6 only support AMR update via privileged mode(MSR[PR] = 0, SPRN_AMR=29)
The PR=1 alias for that SPR (SPRN_AMR=13) was only supported
from POWER7. Since we don't allow userspace modifying of AMR value
we should disable pkey support on P6 and before.
The hypervisor will still report pkey
