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