linux-kernel - Re: [patch 1/2] rtmutex: Handle deadlock detection smarter

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Date:	Thu, 5 Jun 2014 21:14:03 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>, Brad Mouring <bmouring@...com>
Subject: Re: [patch 1/2] rtmutex: Handle deadlock detection smarter

On Thu, 05 Jun 2014 15:28:32 -0000
Thomas Gleixner <tglx@...utronix.de> wrote:


> @@ -1112,7 +1134,8 @@ int rt_mutex_start_proxy_lock(struct rt_
>  		return 1;
>  	}
>  
> -	ret = task_blocks_on_rt_mutex(lock, waiter, task, detect_deadlock);
> +	/* We enforce deadlock detection for futexes */
> +	ret = task_blocks_on_rt_mutex(lock, waiter, task, 1);

Why bother with passing in detect_deadlock then?

Same goes for rt_mutex_finish_proxy_lock().

-- Steve


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