[RFC: 2.6 patch] remove kernel/kthread.c:kthread_stop_sem()
From: Adrian Bunk
Date: Fri Jul 07 2006 - 16:44:14 EST
This patch moves the otherwise unused kthread_stop_sem() into
kthread_stop().
Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>
---
This patch was already sent on:
- 29 Jun 2006
include/linux/kthread.h | 12 ------------
kernel/kthread.c | 14 ++------------
2 files changed, 2 insertions(+), 24 deletions(-)
--- linux-2.6.17-mm4-full/include/linux/kthread.h.old 2006-06-29 19:07:40.000000000 +0200
+++ linux-2.6.17-mm4-full/include/linux/kthread.h 2006-06-29 19:07:49.000000000 +0200
@@ -28,7 +28,6 @@
void kthread_bind(struct task_struct *k, unsigned int cpu);
int kthread_stop(struct task_struct *k);
-int kthread_stop_sem(struct task_struct *k, struct semaphore *s);
int kthread_should_stop(void);
#endif /* _LINUX_KTHREAD_H */
--- linux-2.6.17-mm4-full/kernel/kthread.c.old 2006-06-29 19:08:00.000000000 +0200
+++ linux-2.6.17-mm4-full/kernel/kthread.c 2006-06-29 19:08:22.000000000 +0200
@@ -216,23 +216,6 @@
*/
int kthread_stop(struct task_struct *k)
{
- return kthread_stop_sem(k, NULL);
-}
-EXPORT_SYMBOL(kthread_stop);
-
-/**
- * kthread_stop_sem - stop a thread created by kthread_create().
- * @k: thread created by kthread_create().
- * @s: semaphore that @k waits on while idle.
- *
- * Does essentially the same thing as kthread_stop() above, but wakes
- * @k by calling up(@s).
- *
- * Returns the result of threadfn(), or %-EINTR if wake_up_process()
- * was never called.
- */
-int kthread_stop_sem(struct task_struct *k, struct semaphore *s)
-{
int ret;
mutex_lock(&kthread_stop_lock);
@@ -246,10 +229,7 @@
/* Now set kthread_should_stop() to true, and wake it up. */
kthread_stop_info.k = k;
- if (s)
- up(s);
- else
- wake_up_process(k);
+ wake_up_process(k);
put_task_struct(k);
/* Once it dies, reset stop ptr, gather result and we're done. */
@@ -260,7 +240,7 @@
return ret;
}
-EXPORT_SYMBOL(kthread_stop_sem);
+EXPORT_SYMBOL(kthread_stop);
static __init int helper_init(void)
{
-
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