On Wed, Dec 03, 2014 at 03:50:02PM -0800, Paul E. McKenney wrote: > On Wed, Dec 03, 2014 at 03:37:08PM -0800, Andy Lutomirski wrote: > > It appears that some SCHEDULE_USER (asm for schedule_user) callers > > in arch/x86/kernel/entry_64.S are called from RCU kernel context, > > and schedule_user will return in RCU user context. This causes RCU > > warnings and possible failures. > > > > This is intended to be a minimal fix suitable for 3.18. > > > > Reported-and-tested-by: Dave Jones <[email protected]> > > Cc: Oleg Nesterov <[email protected]> > > Cc: Frédéric Weisbecker <[email protected]> > > Cc: Paul McKenney <[email protected]> > > Signed-off-by: Andy Lutomirski <[email protected]> > > Looks like the RCU entry/exit stuff is properly accounted for, so: > > Acked-by: Paul E. McKenney <[email protected]>
Thanks a lot guys! I'll take the patch. This just won't go for 3.18 I think, the issue is there since the early days of context tracking. -- 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/
