On Fri, Jul 1, 2022 at 4:43 AM Hao Luo <haoluo@xxxxxxxxxx> wrote: > > Hi Yafang, > > On Wed, Jun 29, 2022 at 8:49 AM Yafang Shao <laoar.shao@xxxxxxxxx> wrote: > > > > It doesn't need to do the preempt check when migrate is disabled > > after commit > > 74d862b682f5 ("sched: Make migrate_disable/enable() independent of RT"). > > > > Signed-off-by: Yafang Shao <laoar.shao@xxxxxxxxx> > > --- > > In my understanding, migrate_disable() doesn't imply > preempt_disable(), I think this is not safe. Am I missing something? > It seems I have some misunderstanding of it after second thoughts. I will think more about it. -- Regards Yafang