On Wed, 2013-12-04 at 16:16 -0800, Paul E. McKenney wrote:> + if (rdp->rsp == rcu_state &&> + ULONG_CMP_GE(ACCESS_ONCE(jiffies), rdp->rsp->jiffies_resched)) {> + rdp->rsp->jiffies_resched += 5;> + resched_cpu(rdp->cpu);> + }> +> return 0;> }jiffies should not need ACCESS_ONCE(), right ?It is one of the few variables marked with volatile keyword.