On Thu, 2012-07-26 at 17:54 +0200, Oleg Nesterov wrote: > Yes, but this "avoid the preemption after wakeup" can actually help > kthread_bind()->wait_task_inactive() ?
Yeah. > This reminds me, Peter had a patch which teaches wait_task_inactive() > to use sched_in/sched_out notifiers to avoid the polling... I did, but from what I could remember you shot holes in it and I didn't find a way to plug them and not make it a bigger mess than it is now :/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
