From: Paul E. McKenney Date: Sun, 10 Apr 2016 15:23:24 +0000 (-0700) Subject: rcu: Fix outdated hotplug-exclusion comment in rcu_gp_init() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=590d1757b9d177e7fe3707963d0209d6eefbc746;p=linux-beck.git rcu: Fix outdated hotplug-exclusion comment in rcu_gp_init() In the past, RCU grace-period initialization excluded CPU-hotplug operations, but this is no longer the case. This commit therefore removed an outdated comment in rcu_gp_init() claiming that these are excluded. Reported-by: Lihao Liang Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 0fa692f1094e..6043c14165d1 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1989,8 +1989,7 @@ static bool rcu_gp_init(struct rcu_state *rsp) * of the tree within the rsp->node[] array. Note that other CPUs * will access only the leaves of the hierarchy, thus seeing that no * grace period is in progress, at least until the corresponding - * leaf node has been initialized. In addition, we have excluded - * CPU-hotplug operations. + * leaf node has been initialized. * * The grace period cannot complete until the initialization * process finishes, because this kthread handles both.