cpu/hotplug: Get rid of CPU_STARTING reference

CPU_STARTING is scheduled for removal. There is no use of it in drivers
and core code uses it only for compatibility with old-style CPU-hotplug
notifiers.  This patch removes therefore removes CPU_STARTING from an
RCU-related comment.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 9482ceb928e0137284979c53ef442c1b61ce014c..ff8bc3817dde87c3953863d0d61a785e5147f8df 100644 (file)
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -889,7 +889,7 @@ void notify_cpu_starting(unsigned int cpu)
        struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);
        enum cpuhp_state target = min((int)st->target, CPUHP_AP_ONLINE);
 
-       rcu_cpu_starting(cpu);  /* All CPU_STARTING notifiers can use RCU. */
+       rcu_cpu_starting(cpu);  /* Enables RCU usage on this CPU. */
        while (st->state < target) {
                struct cpuhp_step *step;