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rcu: Remove comment referring to __stop_machine()

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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: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Srivatsa S. Bhat 2013-02-08 16:11:29 -08:00 committed by Paul E. McKenney
parent b0f740360e
commit 0bdf5984ad
1 changed files with 0 additions and 5 deletions
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5
kernel/rcutree.c
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@ -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);