Re: [PATCH v5 0/1] s390x: KVM: CPU Topology

From: Alexandra Winter
Date: Tue Dec 14 2021 - 04:01:12 EST




On 22.11.21 14:14, Pierre Morel wrote:
> Hi all,
>
> This new series add the implementation of interpretation for
> the PTF instruction.
>
> The series provides:
> 1- interception of the STSI instruction forwarding the CPU topology
> 2- interpretation of the PTF instruction
> 3- a KVM capability for the userland hypervisor to ask KVM to
> setup PTF interpretation.
>
>
> 0- Foreword
>
[...]
> We will ignore the following changes inside a STSI(15.1.2):
> - polarization: only horizontal polarization is currently used in Linux.
> - CPU Type: only IFL Type are supported in Linux
I thought Linux can also run on General Purpose CPUs ??