Commit 3016611e authored Dec 04, 2017 by Paul E. McKenney

rcu: Fix CPU offload boot message when no CPUs are offloaded



In CONFIG_RCU_NOCB_CPU=y kernels, if the boot parameters indicate that
none of the CPUs should in fact be offloaded, the following somewhat
obtuse message appears:

	Offload RCU callbacks from CPUs: .

This commit therefore makes the message at least grammatically correct
in this case:

	Offload RCU callbacks from CPUs: (none)

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

parent a7c8655b

kernel/rcu/tree_plugin.h

+5 −2

Original line number	Diff line number	Diff line
		@@ -2312,6 +2312,9 @@ void __init rcu_init_nohz(void)
		cpumask_and(rcu_nocb_mask, cpu_possible_mask,
		rcu_nocb_mask);
		}
		if (cpumask_empty(rcu_nocb_mask))
		pr_info("\tOffload RCU callbacks from CPUs: (none).\n");
		else
		pr_info("\tOffload RCU callbacks from CPUs: %*pbl.\n",
		cpumask_pr_args(rcu_nocb_mask));
		if (rcu_nocb_poll)