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Commit 0bdf5984 authored by Srivatsa S. Bhat's avatar Srivatsa S. Bhat Committed by Paul E. McKenney
Browse files

rcu: Remove comment referring to __stop_machine() 



Although it used to be that CPU_DYING notifiers executed on the outgoing
CPU with interrupts disabled and with all other CPUs spinning, this is
no longer the case.  This commit therefore removes this obsolete comment.

Signed-off-by: default avatarSrivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent b0f74036

kernel/rcutree.c

+0 −5
Original line number Diff line number Diff line
@@ -2931,11 +2931,6 @@ static int __cpuinit rcu_cpu_notify(struct notifier_block *self, 
		break;

	case CPU_DYING:

	case CPU_DYING_FROZEN:

		/*

		 * The whole machine is "stopped" except this CPU, so we can

		 * touch any data without introducing corruption. We send the

		 * dying CPU's callbacks to an arbitrarily chosen online CPU.

		 */

		for_each_rcu_flavor(rsp)

			rcu_cleanup_dying_cpu(rsp);

		rcu_cleanup_after_idle(cpu);