On St 08-02-06 23:25:32, Philipp Matthias Hahn wrote:

Hi!

On Wed, Feb 08, 2006 at 01:04:22PM +0000, Matthew Garrett wrote:

quoted

diff --git a/include/linux/pm.h b/include/linux/pm.h

...

quoted

+void pm_set_ac_status(int (*ac_status_function)(void))
+{
+	down(&pm_sem);
+	get_ac_status = ac_status_function;
+	up(&pm_sem);
+}

Why do you need a semaphore/mutex, when you only do one assignment,
which is atomic by itself?

It is not.
								Pavel

-- 
Web maintainer for suspend.sf.net (www.sf.net/projects/suspend) wanted...