Hidetoshi Seto wrote: > Thank you for useful feedbacks! > Here is the updated version. > Could you put this on top of your patches, Rusty? > > Thanks, > H.Seto > > > If stop_machine() invoked while one of onlined cpu is locked up > by some reason, stop_machine cannot finish its work because the > locked cpu cannot stop. This means all other healthy cpus > will be blocked infinitely by one dead cpu. > > This patch allows stop_machine to return -EBUSY with some printk > messages if any of stop_machine's threads cannot start running on > its target cpu. > > v2: > - remove fix for warning since it will be fixed upcoming typesafe > patches > - make stopmachine_timeout from secs to msecs, and set default to > 200 msec (since v1's arbitrary 5 sec is too long) > - allow disabling timeout by setting the stopmachine_timeout to 0 > I'd set the default to zero. I beleive that's what Heiko suggested too. Max _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
