Re: pvclock time drifting backward

From: David Woodhouse

Date: Mon Apr 20 2026 - 13:33:19 EST


On Sat, 2025-03-29 at 08:20 +0000, David Woodhouse wrote:
> On Fri, 2025-03-28 at 11:30 -0700, Ming Lin wrote:
> > We are planning to test the patches on a 6.9 kernel (where they can be
> > applied cleanly) and modify the live upgrade/migration code to use the new
> > KVM_[GS]ET_CLOCK_GUEST ioctls.
> >

Did you?

> > BTW, what is the plan for upstreaming these patches?
>
> I need to find the time to rebase, rework and retest them. You're doing
> some of the testing and increasing the motivation... I'll see if I can
> get it done in the next week or three.

Heh, 'next week or three'. Sorry. But I have now made an initial pass, at
https://git.infradead.org/?p=users/dwmw2/linux.git;a=shortlog;h=refs/heads/kvmclock4

I've yet to give them a full review with human eyes; when I've done so
I should be reposting them.

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