On Monday 08 October 2007 13:51:42 Ingo Molnar wrote: > > * Andi Kleen <[EMAIL PROTECTED]> wrote: > > > Not only the migration thread, but also softlockup and stop machine > > need to be protected against normalize_rt(). Instead of checking for > > them all I added a new process flag for this. > > hm, i dont really like this. The migration thread is an absolute > exception because it's needed for a correct scheduler. SysRq-N is like > SysRq-U or SysRq-B - last-minute resort in case something Goes Foul. > Results are not guaranteed.
softlockup is the same. Just think about it. If you ever renormalize it and then run a fifo thread it will starve and then eventually kill the box. And starving CPU unplug is also equally bad. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/