* Re: [PATCH 1/2] KVM: document KVM_CAP_S390_[BPB|PSW|GMAP|COW]
[not found] <07414b0f-7b5e-2eca-3ce4-56e7cdacd9a8@de.ibm.com>
@ 2018-02-23 11:04 ` Cornelia Huck
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From: Cornelia Huck @ 2018-02-23 11:04 UTC (permalink / raw)
To: linux-s390, kvm
On Fri, 23 Feb 2018 12:03:00 +0100
Christian Borntraeger <borntraeger@de.ibm.com> wrote:
> On 02/23/2018 11:55 AM, David Hildenbrand wrote:
> > On 23.02.2018 09:11, Christian Borntraeger wrote:
> >> +8.17 KVM_CAP_S390_BPB
> >> +
> >> +Architectures: s390
> >> +
> >> +This capability indicates that kvm will implement the interfaces to handle
> >> +reset, migration and nested KVM for branch prediction blocking.
> >>
> >
> > Maybe add a comment about bpb being exposed via CPU model (stfl) and
> > that it should not be used without this capability?
>
> Something like:
> "The stfle facility 82 should not be provided to the guest without this capability".
> ?
>
Makes sense.
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[not found] <07414b0f-7b5e-2eca-3ce4-56e7cdacd9a8@de.ibm.com>
2018-02-23 11:04 ` [PATCH 1/2] KVM: document KVM_CAP_S390_[BPB|PSW|GMAP|COW] Cornelia Huck
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