On Thu, Sep 17, 2015 at 11:52:45AM -0400, Tejun Heo wrote: > Hello, > > On Thu, Sep 17, 2015 at 05:10:49PM +0200, Peter Zijlstra wrote: > > Subject: sched: Refuse to unplug a CPU if this will violate user task affinity > > > > Its bad policy to allow unplugging a CPU for which a user set explicit > > affinity, either strictly on this CPU or in case this was the last > > online CPU in its mask. > > > > Either would end up forcing the thread on a random other CPU, violating > > the sys_sched_setaffinity() constraint. > > Shouldn't this at least handle suspend differently? Otherwise any > userland task would be able to block suspend. It does, it will allow suspend. -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html