linux-kernel - [PATCH 2/4] printk: Rename printk_sched to printk

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Date:	Fri,  2 May 2014 15:09:16 -0700
From:	John Stultz <john.stultz@...aro.org>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	John Stultz <john.stultz@...aro.org>, Jan Kara <jack@...e.cz>,
	Peter Zijlstra <peterz@...radead.org>,
	Jiri Bohac <jbohac@...e.cz>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH 2/4] printk: Rename printk_sched to printk_deferred

After learning we'll need some sort of deferred printk functionality
in the timekeeping core, Peter suggested we rename the printk_sched
function so it can be reused by needed subsystems.

This only changes the function name and name of the associated buffer.
No logic changes.

Cc: Jan Kara <jack@...e.cz>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Jiri Bohac <jbohac@...e.cz>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
 include/linux/printk.h  | 6 +++---
 kernel/printk/printk.c  | 2 +-
 kernel/sched/core.c     | 2 +-
 kernel/sched/deadline.c | 2 +-
 kernel/sched/rt.c       | 2 +-
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/printk.h b/include/linux/printk.h
index 8752f75..7847301 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -128,9 +128,9 @@ asmlinkage __printf(1, 2) __cold
 int printk(const char *fmt, ...);
 
 /*
- * Special printk facility for scheduler use only, _DO_NOT_USE_ !
+ * Special printk facility for scheduler/timekeeping use only, _DO_NOT_USE_ !
  */
-__printf(1, 2) __cold int printk_sched(const char *fmt, ...);
+__printf(1, 2) __cold int printk_deferred(const char *fmt, ...);
 
 /*
  * Please don't use printk_ratelimit(), because it shares ratelimiting state
@@ -165,7 +165,7 @@ int printk(const char *s, ...)
 	return 0;
 }
 static inline __printf(1, 2) __cold
-int printk_sched(const char *s, ...)
+int printk_deferred(const char *s, ...)
 {
 	return 0;
 }
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index bf62f2b..ffcb487 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2584,7 +2584,7 @@ void wake_up_klogd(void)
 	preempt_enable();
 }
 
-int printk_sched(const char *fmt, ...)
+int printk_deferred(const char *fmt, ...)
 {
 	unsigned long flags;
 	va_list args;
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 805b8a9..263c790 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1336,7 +1336,7 @@ out:
 		 * leave kernel.
 		 */
 		if (p->mm && printk_ratelimit()) {
-			printk_sched("process %d (%s) no longer affine to cpu%d\n",
+			printk_deferred("process %d (%s) no longer affine to cpu%d\n",
 					task_pid_nr(p), p->comm, cpu);
 		}
 	}
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index b080957..657ed68 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -352,7 +352,7 @@ static void replenish_dl_entity(struct sched_dl_entity *dl_se,
 
 		if (!lag_once) {
 			lag_once = true;
-			printk_sched("sched: DL replenish lagged to much\n");
+			printk_deferred("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 7795e29..e7dc728 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -896,7 +896,7 @@ static int sched_rt_runtime_exceeded(struct rt_rq *rt_rq)
 
 			if (!once) {
 				once = true;
-				printk_sched("sched: RT throttling activated\n");
+				printk_deferred("sched: RT throttling activated\n");
 			}
 		} else {
 			/*
-- 
1.9.1

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