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authorPaul E. McKenney <paul.mckenney@linaro.org>2011-02-23 17:03:06 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-05-05 23:16:58 -0700
commitddeb75814f09205df795121d9e373e82de7f2aca (patch)
treed642fc3753308a76846418a4a020a9d851781a4b /kernel/rcutiny_plugin.h
parentf0a07aeaf8935b7e9ef8032ce6546169f143951c (diff)
downloadop-kernel-dev-ddeb75814f09205df795121d9e373e82de7f2aca.zip
op-kernel-dev-ddeb75814f09205df795121d9e373e82de7f2aca.tar.gz
rcu: code cleanups in TINY_RCU priority boosting.
Extraneous semicolon, bad comment, and fold INIT_LIST_HEAD() into list_del() to get list_del_init(). Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'kernel/rcutiny_plugin.h')
-rw-r--r--kernel/rcutiny_plugin.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h
index 3cb8e36..0bc9f73 100644
--- a/kernel/rcutiny_plugin.h
+++ b/kernel/rcutiny_plugin.h
@@ -339,7 +339,7 @@ static void rcu_initiate_expedited_boost(void)
raw_local_irq_restore(flags);
}
-#define RCU_BOOST_DELAY_JIFFIES DIV_ROUND_UP(CONFIG_RCU_BOOST_DELAY * HZ, 1000);
+#define RCU_BOOST_DELAY_JIFFIES DIV_ROUND_UP(CONFIG_RCU_BOOST_DELAY * HZ, 1000)
/*
* Do priority-boost accounting for the start of a new grace period.
@@ -418,7 +418,7 @@ static void rcu_preempt_cpu_qs(void)
if (!rcu_preempt_gp_in_progress())
return;
/*
- * Check up on boosting. If there are no readers blocking the
+ * Check up on boosting. If there are readers blocking the
* current grace period, leave.
*/
if (rcu_initiate_boost())
@@ -578,7 +578,7 @@ static void rcu_read_unlock_special(struct task_struct *t)
empty = !rcu_preempt_blocked_readers_cgp();
empty_exp = rcu_preempt_ctrlblk.exp_tasks == NULL;
np = rcu_next_node_entry(t);
- list_del(&t->rcu_node_entry);
+ list_del_init(&t->rcu_node_entry);
if (&t->rcu_node_entry == rcu_preempt_ctrlblk.gp_tasks)
rcu_preempt_ctrlblk.gp_tasks = np;
if (&t->rcu_node_entry == rcu_preempt_ctrlblk.exp_tasks)
@@ -587,7 +587,6 @@ static void rcu_read_unlock_special(struct task_struct *t)
if (&t->rcu_node_entry == rcu_preempt_ctrlblk.boost_tasks)
rcu_preempt_ctrlblk.boost_tasks = np;
#endif /* #ifdef CONFIG_RCU_BOOST */
- INIT_LIST_HEAD(&t->rcu_node_entry);
/*
* If this was the last task on the current list, and if
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