On 11/14/2017 06:40 PM, Peter Zijlstra wrote: > On Tue, Nov 14, 2017 at 06:17:13PM +0100, Daniel Bristot de Oliveira wrote: > >> IIRC, if the dest cpu is idle and the system is with idle=poll, no IPI >> is fired as well, but that is not a very common case. > > You're thinking about wake from idle? That is almost always without IPI, > even without idle=poll. >
I meant the resched_curr(rq) of an rq on another CPU. If the dest is idle && idle=poll, the IPI will not be send. -- Daniel
