[PATCH v4 04/13] KVM: arm64: Capture VM's first run

Raghavendra Rao Ananta rananta at google.com
Mon Mar 14 16:12:19 PDT 2022


On Mon, Mar 14, 2022 at 11:02 AM Oliver Upton <oupton at google.com> wrote:
Hi Oliver,
>
> Hi Raghavendra,
>
> On Thu, Feb 24, 2022 at 05:25:50PM +0000, Raghavendra Rao Ananta wrote:
> > Capture the first run of the KVM VM, which is basically the
> > first KVM_RUN issued for any vCPU. This state of the VM is
> > helpful in the upcoming patches to prevent user-space from
> > configuring certain VM features, such as the feature bitmap
> > exposed by the psuedo-firmware registers, after the VM has
> > started running.
> >
> > Signed-off-by: Raghavendra Rao Ananta <rananta at google.com>
>
> I believe this patch is superseded by commit:
>
>   5177fe91e4cf ("KVM: arm64: Do not change the PMU event filter after a VCPU has run")
>
> on kvmarm/next.
>
Perfect! Just what we needed. I'll drop this patch.

Regards,
Raghavendra
>
> --
> Thanks,
> Oliver



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