Bug#969443: arm64: please backport stolen time support to buster kernel (Re: src:linux: none)
On Wed, Sep 02, 2020 at 06:09:46PM -0700, Jonathan Nieder wrote:
> > Subject: src:linux: none
>
> It looks like you forgot to include a subject line?
*sigh* Computers are hard.
> The relevant series is a4b28f5c6798 (Merge remote-tracking branch
> 'kvmarm/kvm-arm64/stolen-time' into kvmarm-master/next, 2019-10-24).
> It may be possible to try applying it if you are interested.
That is the series I had in mind, yes. I will open a merge request once
I have one prepared and tested.
> That said, for this kind of issue that is about new features instead
> of hardware support, my advice would be to use a more current kernel
> from backports instead.
That's not an option for users requiring security support. While the
prevelance of arm64-based clouds is still relatively low, it is growing.
As it becomes more common, the lack of visibility into CPU steal time
will become a significant issue for people running in these
environments, hence the "important" severity.
noah
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