On Tue, May 23, 2017 at 05:47:31PM +0200, Petr Mladek wrote: > diff --git a/kernel/livepatch/patch.c b/kernel/livepatch/patch.c > index f8269036bf0b..08acba30ecec 100644 > --- a/kernel/livepatch/patch.c > +++ b/kernel/livepatch/patch.c > @@ -59,7 +59,11 @@ static void notrace klp_ftrace_handler(unsigned long ip, > > ops = container_of(fops, struct klp_ops, fops); > > - rcu_read_lock(); > + /* > + * A variant of synchronize_sched() is used to allow pathing functions > + * where RCU is not wathing, see klp_synchronize_transition(). > + */ > + preempt_disable_notrace(); s/pathing/patching/ s/wathing/watching/ (and same for the duplicated version of the comment below.) Otherwise the patch looks promising, though I'll need to stare at it for a while... -- Josh -- To unsubscribe from this list: send the line "unsubscribe live-patching" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html