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 <j...@suse.cz>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Jiri Bohac <jbo...@suse.cz>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: John Stultz <john.stu...@linaro.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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