On Tue, 19 Nov 2024 16:34:47 +0100 Valentin Schneider <vschneid@xxxxxxxxxx> wrote: > Context > ======= > > We've observed within Red Hat that isolated, NOHZ_FULL CPUs running a > pure-userspace application get regularly interrupted by IPIs sent from > housekeeping CPUs. Those IPIs are caused by activity on the housekeeping CPUs > leading to various on_each_cpu() calls, e.g.: FYI, Sending a patch series at the start of the merge window is likely going to get ignored. Care to resend after rc1 is released? Or at least ping about it. -- Steve