All of lore.kernel.org
 help / color / mirror / Atom feed
From: Con Kolivas <kernel@kolivas.org>
To: linux <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@osdl.org>,
	William Lee Irwin III <wli@holomorphy.com>,
	Ingo Molnar <mingo@elte.hu>,
	Peter Williams <pwil3058@bigpond.net.au>,
	Alexander Nyberg <alexn@dsv.su.se>,
	Nick Piggin <nickpiggin@yahoo.com.au>
Subject: [PATCH][plugsched 5/28] Make sleep functions public
Date: Sun, 31 Oct 2004 00:37:21 +1000	[thread overview]
Message-ID: <4183A721.6070704@kolivas.org> (raw)


[-- Attachment #1.1: Type: text/plain, Size: 29 bytes --]

Make sleep functions public


[-- Attachment #1.2: publicise_sleepstuff.diff --]
[-- Type: text/x-patch, Size: 5360 bytes --]

All the sleepstuff can be shared so make it public.

Signed-off-by: Con Kolivas <kernel@kolivas.org>


Index: linux-2.6.10-rc1-mm2-plugsched1/kernel/sched.c
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/kernel/sched.c	2004-10-29 21:45:10.305945023 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/kernel/sched.c	2004-10-29 21:46:27.313926895 +1000
@@ -2912,77 +2912,6 @@ void fastcall __sched wait_for_completio
 }
 EXPORT_SYMBOL(wait_for_completion);
 
-#define	SLEEP_ON_VAR					\
-	unsigned long flags;				\
-	wait_queue_t wait;				\
-	init_waitqueue_entry(&wait, current);
-
-#define SLEEP_ON_HEAD					\
-	spin_lock_irqsave(&q->lock,flags);		\
-	__add_wait_queue(q, &wait);			\
-	spin_unlock(&q->lock);
-
-#define	SLEEP_ON_TAIL					\
-	spin_lock_irq(&q->lock);			\
-	__remove_wait_queue(q, &wait);			\
-	spin_unlock_irqrestore(&q->lock, flags);
-
-void fastcall __sched interruptible_sleep_on(wait_queue_head_t *q)
-{
-	SLEEP_ON_VAR
-
-	current->state = TASK_INTERRUPTIBLE;
-
-	SLEEP_ON_HEAD
-	schedule();
-	SLEEP_ON_TAIL
-}
-
-EXPORT_SYMBOL(interruptible_sleep_on);
-
-long fastcall __sched interruptible_sleep_on_timeout(wait_queue_head_t *q, long timeout)
-{
-	SLEEP_ON_VAR
-
-	current->state = TASK_INTERRUPTIBLE;
-
-	SLEEP_ON_HEAD
-	timeout = schedule_timeout(timeout);
-	SLEEP_ON_TAIL
-
-	return timeout;
-}
-
-EXPORT_SYMBOL(interruptible_sleep_on_timeout);
-
-void fastcall __sched sleep_on(wait_queue_head_t *q)
-{
-	SLEEP_ON_VAR
-
-	current->state = TASK_UNINTERRUPTIBLE;
-
-	SLEEP_ON_HEAD
-	schedule();
-	SLEEP_ON_TAIL
-}
-
-EXPORT_SYMBOL(sleep_on);
-
-long fastcall __sched sleep_on_timeout(wait_queue_head_t *q, long timeout)
-{
-	SLEEP_ON_VAR
-
-	current->state = TASK_UNINTERRUPTIBLE;
-
-	SLEEP_ON_HEAD
-	timeout = schedule_timeout(timeout);
-	SLEEP_ON_TAIL
-
-	return timeout;
-}
-
-EXPORT_SYMBOL(sleep_on_timeout);
-
 static void ingo_set_user_nice(task_t *p, long nice)
 {
 	unsigned long flags;
@@ -4710,28 +4639,6 @@ static void __init ingo_sched_init(void)
 	init_idle(current, smp_processor_id());
 }
 
-#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
-void __might_sleep(char *file, int line)
-{
-#if defined(in_atomic)
-	static unsigned long prev_jiffy;	/* ratelimiting */
-
-	if ((in_atomic() || irqs_disabled()) &&
-	    system_state == SYSTEM_RUNNING) {
-		if (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy)
-			return;
-		prev_jiffy = jiffies;
-		printk(KERN_ERR "Debug: sleeping function called from invalid"
-				" context at %s:%d\n", file, line);
-		printk("in_atomic():%d, irqs_disabled():%d\n",
-			in_atomic(), irqs_disabled());
-		dump_stack();
-	}
-#endif
-}
-EXPORT_SYMBOL(__might_sleep);
-#endif
-
 #if defined(CONFIG_DEBUG_KERNEL)&&defined(CONFIG_SYSCTL)&&defined(CONFIG_SMP)
 static struct ctl_table sd_ctl_dir[] = {
 	{1, "sched_domain", NULL, 0, 0755, NULL, },
Index: linux-2.6.10-rc1-mm2-plugsched1/kernel/scheduler.c
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/kernel/scheduler.c	2004-10-29 21:45:13.658421824 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/kernel/scheduler.c	2004-10-29 21:45:18.916601215 +1000
@@ -141,6 +141,99 @@ need_resched:
 EXPORT_SYMBOL(preempt_schedule);
 #endif /* CONFIG_PREEMPT */
 
+#define	SLEEP_ON_VAR					\
+	unsigned long flags;				\
+	wait_queue_t wait;				\
+	init_waitqueue_entry(&wait, current);
+
+#define SLEEP_ON_HEAD					\
+	spin_lock_irqsave(&q->lock,flags);		\
+	__add_wait_queue(q, &wait);			\
+	spin_unlock(&q->lock);
+
+#define	SLEEP_ON_TAIL					\
+	spin_lock_irq(&q->lock);			\
+	__remove_wait_queue(q, &wait);			\
+	spin_unlock_irqrestore(&q->lock, flags);
+
+void fastcall __sched interruptible_sleep_on(wait_queue_head_t *q)
+{
+	SLEEP_ON_VAR
+
+	current->state = TASK_INTERRUPTIBLE;
+
+	SLEEP_ON_HEAD
+	schedule();
+	SLEEP_ON_TAIL
+}
+
+EXPORT_SYMBOL(interruptible_sleep_on);
+
+long fastcall __sched interruptible_sleep_on_timeout(wait_queue_head_t *q, long timeout)
+{
+	SLEEP_ON_VAR
+
+	current->state = TASK_INTERRUPTIBLE;
+
+	SLEEP_ON_HEAD
+	timeout = schedule_timeout(timeout);
+	SLEEP_ON_TAIL
+
+	return timeout;
+}
+
+EXPORT_SYMBOL(interruptible_sleep_on_timeout);
+
+void fastcall __sched sleep_on(wait_queue_head_t *q)
+{
+	SLEEP_ON_VAR
+
+	current->state = TASK_UNINTERRUPTIBLE;
+
+	SLEEP_ON_HEAD
+	schedule();
+	SLEEP_ON_TAIL
+}
+
+EXPORT_SYMBOL(sleep_on);
+
+long fastcall __sched sleep_on_timeout(wait_queue_head_t *q, long timeout)
+{
+	SLEEP_ON_VAR
+
+	current->state = TASK_UNINTERRUPTIBLE;
+
+	SLEEP_ON_HEAD
+	timeout = schedule_timeout(timeout);
+	SLEEP_ON_TAIL
+
+	return timeout;
+}
+
+EXPORT_SYMBOL(sleep_on_timeout);
+
+#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
+void __might_sleep(char *file, int line)
+{
+#if defined(in_atomic)
+	static unsigned long prev_jiffy;	/* ratelimiting */
+
+	if ((in_atomic() || irqs_disabled()) &&
+	    system_state == SYSTEM_RUNNING) {
+		if (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy)
+			return;
+		prev_jiffy = jiffies;
+		printk(KERN_ERR "Debug: sleeping function called from invalid"
+				" context at %s:%d\n", file, line);
+		printk("in_atomic():%d, irqs_disabled():%d\n",
+			in_atomic(), irqs_disabled());
+		dump_stack();
+	}
+#endif
+}
+EXPORT_SYMBOL(__might_sleep);
+#endif
+
 extern struct sched_drv ingo_sched_drv;
 static const struct sched_drv *scheduler = &ingo_sched_drv;
 


[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 256 bytes --]

                 reply	other threads:[~2004-10-30 14:42 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4183A721.6070704@kolivas.org \
    --to=kernel@kolivas.org \
    --cc=akpm@osdl.org \
    --cc=alexn@dsv.su.se \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=nickpiggin@yahoo.com.au \
    --cc=pwil3058@bigpond.net.au \
    --cc=wli@holomorphy.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.