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authorSrivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>2013-02-08 16:11:29 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2013-03-12 14:07:38 -0700
commit0bdf5984ad647ba5d1c09ed66a75e5bf609456ba (patch)
treeaf17295ce4a2c41252faccb47c68635db38f060a /kernel/rcutree.c
parentb0f740360efec6e6471547c0548f250bc045a233 (diff)
downloadvexpress-lsk-0bdf5984ad647ba5d1c09ed66a75e5bf609456ba.tar.gz
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: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcutree.c')
-rw-r--r--kernel/rcutree.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index b2fc234ba1b..71df6f9f5ce 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -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);