On Fri, Jul 24, 2015 at 07:52:14PM +0200, Peter Zijlstra wrote: > @@ -330,8 +318,7 @@ static int jump_label_add_module(struct > jlm->next = key->next; > key->next = jlm; > > - if (jump_label_type(key) == JUMP_LABEL_JMP) > - __jump_label_update(key, iter, iter_stop, > JUMP_LABEL_JMP); > + __jump_label_update(key, iter, iter_stop); > } > > return 0;
That is the fail; the arch_jump_label_transform() function (at least on x86) double checks that we're changing the branch, so we cannot unconditionally write whatever it should be. -- 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/

