On 8/9/19 9:45 AM, Michael Ellerman wrote:
> Claudio Carvalho writes:
>> From: Sukadev Bhattiprolu
>>
>> POWER9 processor includes support for Protected Execution Facility (PEF).
>> Which POWER9? Please be more precise.
>>
>> It's public knowledge that some versions of Power9 don't have PEF (o
On 8/12/19 12:58 PM, Fabiano Rosas wrote:
> Claudio Carvalho writes:
>
> Some small suggestions below:
>
>> +
>> +* The privilege of a process is now determined by three MSR bits,
>> + MSR(S, HV, PR). In each of the tables below the modes are listed
>> + from least privilege to hig
Claudio Carvalho writes:
Some small suggestions below:
> +
> +* The privilege of a process is now determined by three MSR bits,
> + MSR(S, HV, PR). In each of the tables below the modes are listed
> + from least privilege to highest privilege. The higher privilege
> + modes ca
Claudio Carvalho writes:
> From: Sukadev Bhattiprolu
>
> POWER9 processor includes support for Protected Execution Facility (PEF).
Which POWER9? Please be more precise.
It's public knowledge that some versions of Power9 don't have PEF (or
have it broken / fused off).
People are going to try an
From: Sukadev Bhattiprolu
POWER9 processor includes support for Protected Execution Facility (PEF).
Attached documentation provides an overview of PEF and defines the API
for various interfaces that must be implemented in the Ultravisor
firmware as well as in the KVM Hypervisor.
Based on input f