Hi!
On Wed, Feb 08, 2006 at 01:04:22PM +0000, Matthew Garrett wrote:
> diff --git a/include/linux/pm.h b/include/linux/pm.h
...
> +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?
BYtE
Philipp
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