Re: [patch 00/12] hrtimers: Prevent hrtimer interrupt starvation

Thomas Gleixner
2026-04-07T18:03:44Z

On Tue, Apr 07 2026 at 10:38, Calvin Owens wrote:
> On Tuesday 04/07 at 10:54 +0200, Thomas Gleixner wrote:
>> He provided a reproducer, which sets up a timerfd based timer and then
>> rearms it in a loop with an absolute expiry time of 1ns.
>
> The original AMD machines survive the reproducer with this series.
>
> Tested-by: Calvin Owens <calvin@wbinvd.org>
>
> I'm happy to test subsets of it and stable backports too, if that's
> helpful, just let me know.

We'll only backport the first patch, so confirming that it still
prevents the issue would be nice. The rest is slated for upstream only.

Thanks,

tglx