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 <bige...@linutronix.de> Sebastian
