On 2017-07-06 16:47:46 [+0800], Alex Shi wrote: > This patch replace a rwlock and raw notifier by atomic notifier which + is > protected by spin_lock and rcu. … > Sebastian suggested using atomic_notifier instead of rwlock, which is not > only removing the sleeping in idle, but also getting better latency > improvement. Did you measure this / have numbers or did you write this because this is what RCU does in general? Acked-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
