On Fri, 2013-06-28 at 22:30 +0000, jba...@akamai.com wrote: > As pointed out by Andi Kleen, thue usage of static keys can be racy in
"thue" > sched_feat_disable vs. sched_feat_enable(). Currently, we first check the > value of keys->enabled, and subsequently update the branch direction. This, > can be racy and can potentially leave the keys in an inconsistent state. > > Fix the race by using static_key_slow_set_true()/false(), which does the the > check and set using the jump_label_mutex. > > Signed-off-by: Jason Baron <jba...@akamai.com> -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
