Re: system time goes weird in kvm guest after host suspend/resume

From: Thomas Gleixner
Date: Thu May 28 2020 - 16:43:18 EST


Miklos Szeredi <miklos@xxxxxxxxxx> writes:
> Bisected it to:
>
> b95a8a27c300 ("x86/vdso: Use generic VDSO clock mode storage")
>
> The effect observed is that after the host is resumed, the clock in
> the guest is somewhat in the future and is stopped. I.e. repeated
> date(1) invocations show the same time.

TBH, the bisect does not make any sense at all. It's renaming the
constants and moving the storage space and I just read it line for line
again that the result is equivalent. I'll have a look once the merge
window dust settles a bit.

Thanks,

tglx