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authorPaul E. McKenney <paul.mckenney@linaro.org>2012-10-08 10:54:03 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-11-08 11:50:11 -0800
commit7b2e6011f150c42235c4a541d20cf6891afe878a (patch)
treea02ac239103e97847ec29183d8aaa45c385a3335 /kernel/rcutree_plugin.h
parent489832609a1ad7189d11715d8cefb457d90182c5 (diff)
downloadlinux-7b2e6011f150c42235c4a541d20cf6891afe878a.tar.bz2
rcu: Rename ->onofflock to ->orphan_lock
The ->onofflock field in the rcu_state structure at one time synchronized CPU-hotplug operations for RCU. However, its scope has decreased over time so that it now only protects the lists of orphaned RCU callbacks. This commit therefore renames it to ->orphan_lock to reflect its current use. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcutree_plugin.h')
-rw-r--r--kernel/rcutree_plugin.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index f92115488187..2b281cf0b6f2 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -757,7 +757,8 @@ static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp,
* grace period for the specified rcu_node structure. If there are no such
* tasks, report it up the rcu_node hierarchy.
*
- * Caller must hold sync_rcu_preempt_exp_mutex and rsp->onofflock.
+ * Caller must hold sync_rcu_preempt_exp_mutex and must exclude
+ * CPU hotplug operations.
*/
static void
sync_rcu_preempt_exp_init(struct rcu_state *rsp, struct rcu_node *rnp)