Re: [PATCH] rt/workqueue: fix an early crash and some warnings

From: Steven Rostedt
Date: Sun Dec 14 2008 - 12:06:49 EST




On Sun, 14 Dec 2008, Frederic Weisbecker wrote:

> Impact: fix early crash and build warnings
>
> While building the broken/rt/workqueue topic, I got various warnings:
>
> kernel/workqueue.c: In function ?delayed_work_timer_fn?:
> kernel/workqueue.c:214: attention : passing argument 3 of ?__queue_work? makes integer from pointer without a cast
>
> This one is the cause of an early crash: the adress of the priority is passed instead of its
> value, hence the following BUG_ON() triggering on sched.c:rt_mutex_setprio()
>
> BUG_ON(prio < 0 || prio > MAX_PRIO)
>
> Various warnings are displayed because of confusion between common linked-list and priority
> sorted linked-list:
>
> kernel/workqueue.c: In function ?flush_work?:
> kernel/workqueue.c:527: attention : passing argument 1 of ?list_empty? from incompatible pointer type
> kernel/workqueue.c:535: attention : assignment from incompatible pointer type
> kernel/workqueue.c:539: attention : assignment from incompatible pointer type
>
> This patch fixes them (hopefully correctly).
>
> broken/rt/workqueue boots correctly now.
>
> Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>

Thanks! I'll give this a try on Monday.

-- Steve

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