On Sat, Apr 02, 2016 at 06:14:28PM +0800, Xunlei Pang wrote: > Your proposal is very nice! > > At the sched_init() stage we only have one (to be "idle") task and with irq > disabled, > no scheduling will happen, and the cpu_possible_mask was already initiated, > so it's > safe to simply move them there. > > Also, how about rt&deadline sharing a percpu mask? Because only one of them > can > use the mask at a moment, operations are always under some > spin_lock_irqsave(). > > I made a new patch below, slightly tested by running tens of rt&dl tasks for > a while, > are you fine with it?
Yep, looks fine. Please submit as a proper patch. Thanks!
