On Thu, Jan 28, 2021 at 05:21:34PM -0300, Marcelo Tosatti wrote: > When enabling per-CPU posix timers, an IPI to nohz_full CPUs might be > performed (to re-read the dependencies and possibly not re-enter > nohz_full on a given CPU). > > A common case is for applications that run on nohz_full= CPUs > to not use POSIX timers (eg DPDK). This patch changes the notification > to only IPI the target CPUs where the task(s) whose tick dependencies > are being updated are executing. > > This reduces interruptions to nohz_full= CPUs.
Looks good. I'm queueing the series if Peter doesn't object. Thanks!
