On 02/21/2018 01:13 PM, Valentin Schneider wrote: > On 02/16/2018 01:44 PM, Vincent Guittot wrote: >> On 16 February 2018 at 13:13, Valentin Schneider >> <[email protected]> wrote: >>> On 02/14/2018 03:26 PM, Vincent Guittot wrote: > BTW, with the current set on Peter's sched/testing, update_nohz_stats() > is called here, which doesn't do the update if !rq->has_blocked_load > (Although that check is done without lock/barrier, so maybe we could not see > a CPU that just went idle ?)
Ignore that, that's another case of me being overly paranoid after reading too much of Documentation/memory-barriers.txt
