Sasha Levin writes:
> Hi,
>
> [This is an automated email]
>
> This commit has been processed because it contains a "Fixes:" tag,
> fixing commit: cf43d3b26452 powerpc: Enable pkey subsystem.
>
> The bot has tested the following trees: v4.20.11, v4.19.24.
>
> v4.19.24: Failed to apply! Possible de
Hi,
[This is an automated email]
This commit has been processed because it contains a "Fixes:" tag,
fixing commit: cf43d3b26452 powerpc: Enable pkey subsystem.
The bot has tested the following trees: v4.20.11, v4.19.24.
v4.19.24: Failed to apply! Possible dependencies:
41f4e631daf8 ("KVM: P
On Thu, 2019-02-21 at 10:55 +1100, Paul Mackerras wrote:
> On Wed, Feb 20, 2019 at 03:59:58PM +1100, Russell Currey wrote:
> > Using the hash MMU on P7+, the AMR is used for pkeys. It's
> > important
>
> This needs a bit of rewording. The "Using" ... "used" construct is a
> bit confusing on the
On Wed, Feb 20, 2019 at 03:59:58PM +1100, Russell Currey wrote:
> Using the hash MMU on P7+, the AMR is used for pkeys. It's important
This needs a bit of rewording. The "Using" ... "used" construct is a
bit confusing on the first read. Also, there was a processor called
P7+, but I think you're
Using the hash MMU on P7+, the AMR is used for pkeys. It's important
that the host and guest never end up with each other's AMR value, since
this could disrupt operations and break things.
The AMR gets correctly restored on context switch, however before this
happens (i.e. in a program like qemu)