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authorJohn Stultz <john.stultz@linaro.org>2014-06-04 16:11:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-04 16:54:17 -0700
commitc224815dac9c739b79050d3cc67443ff500bc478 (patch)
tree07cca4568dd1ae0c89241c1b335a1941ec2bca85 /kernel/sched
parentaac74dc495456412c4130a1167ce4beb6c1f0b38 (diff)
downloadop-kernel-dev-c224815dac9c739b79050d3cc67443ff500bc478.zip
op-kernel-dev-c224815dac9c739b79050d3cc67443ff500bc478.tar.gz
printk: Add printk_deferred_once
Two of the three prink_deferred uses are really printk_once style uses, so add a printk_deferred_once macro to simplify those call sites. Signed-off-by: John Stultz <john.stultz@linaro.org> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Jiri Bohac <jbohac@suse.cz> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/deadline.c7
-rw-r--r--kernel/sched/rt.c8
2 files changed, 2 insertions, 13 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index d17e1c4..e1574fc 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -348,12 +348,7 @@ static void replenish_dl_entity(struct sched_dl_entity *dl_se,
* entity.
*/
if (dl_time_before(dl_se->deadline, rq_clock(rq))) {
- static bool lag_once = false;
-
- if (!lag_once) {
- lag_once = true;
- printk_deferred("sched: DL replenish lagged to much\n");
- }
+ printk_deferred_once("sched: DL replenish lagged to much\n");
dl_se->deadline = rq_clock(rq) + pi_se->dl_deadline;
dl_se->runtime = pi_se->dl_runtime;
}
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 5d7667b..b3512f1 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -890,14 +890,8 @@ static int sched_rt_runtime_exceeded(struct rt_rq *rt_rq)
* but accrue some time due to boosting.
*/
if (likely(rt_b->rt_runtime)) {
- static bool once = false;
-
rt_rq->rt_throttled = 1;
-
- if (!once) {
- once = true;
- printk_deferred("sched: RT throttling activated\n");
- }
+ printk_deferred_once("sched: RT throttling activated\n");
} else {
/*
* In case we did anyway, make it go away,
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