On Tue, 19 Nov 2024 16:34:47 +0100 Valentin Schneider vschneid@redhat.com 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