On Wed, Aug 11, 2021 at 6:05 AM Paolo Bonzini wrote:
>
> On 04/08/21 10:57, Oliver Upton wrote:
> > KVM's current means of saving/restoring system counters is plagued with
> > temporal issues. At least on ARM64 and x86, we migrate the guest's
> > system counter by-value through the respective
On Wed, 11 Aug 2021 19:56:22 +0100,
Oliver Upton wrote:
[...]
> > Time is ticking for 5.15 due to my vacation, I'll see if I have some
> > time to look at it further next week.
> >
> > I agree that arm64 can be done separately from x86.
>
> Marc, just a disclaimer:
>
> I'm going to separate
On 04/08/21 10:57, Oliver Upton wrote:
KVM's current means of saving/restoring system counters is plagued with
temporal issues. At least on ARM64 and x86, we migrate the guest's
system counter by-value through the respective guest system register
values (cntvct_el0, ia32_tsc). Restoring system
On Tue, 10 Aug 2021 01:04:38 +0100,
Oliver Upton wrote:
>
> On Wed, Aug 4, 2021 at 3:03 PM Oliver Upton wrote:
> >
> > On Wed, Aug 4, 2021 at 4:05 AM Oliver Upton wrote:
> > >
> > > On Wed, Aug 4, 2021 at 1:58 AM Oliver Upton wrote:
> > > >
> > > > KVM's current means of saving/restoring
On Wed, Aug 4, 2021 at 3:03 PM Oliver Upton wrote:
>
> On Wed, Aug 4, 2021 at 4:05 AM Oliver Upton wrote:
> >
> > On Wed, Aug 4, 2021 at 1:58 AM Oliver Upton wrote:
> > >
> > > KVM's current means of saving/restoring system counters is plagued with
> > > temporal issues. At least on ARM64 and
On Wed, Aug 4, 2021 at 4:05 AM Oliver Upton wrote:
>
> On Wed, Aug 4, 2021 at 1:58 AM Oliver Upton wrote:
> >
> > KVM's current means of saving/restoring system counters is plagued with
> > temporal issues. At least on ARM64 and x86, we migrate the guest's
> > system counter by-value through the
On Wed, Aug 4, 2021 at 1:58 AM Oliver Upton wrote:
>
> KVM's current means of saving/restoring system counters is plagued with
> temporal issues. At least on ARM64 and x86, we migrate the guest's
> system counter by-value through the respective guest system register
> values (cntvct_el0,
KVM's current means of saving/restoring system counters is plagued with
temporal issues. At least on ARM64 and x86, we migrate the guest's
system counter by-value through the respective guest system register
values (cntvct_el0, ia32_tsc). Restoring system counters by-value is
brittle as the state
