Hi! > From: Rafael J. Wysocki <rjw@xxxxxxx> > > Tasks should go to the refrigerator only if explicitly requested to do that by > the freezer and not as a result of inheriting the TIF_FREEZE flag set from the > parent. Make it happen. Umm, what prevents userspace task from escaping freezer this way? Does tasklist_lock prevent new tasks and thus this race? Pavel > --- linux-2.6.22-rc6-mm1.orig/kernel/fork.c > +++ linux-2.6.22-rc6-mm1/kernel/fork.c > @@ -932,6 +932,7 @@ static inline void copy_flags(unsigned l > if (!(clone_flags & CLONE_PTRACE)) > p->ptrace = 0; > p->flags = new_flags; > + clear_freeze_flag(p); > } > > asmlinkage long sys_set_tid_address(int __user *tidptr) -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
