Date: Wed, 7 Jan 2009 18:47:12 -0500 (EST)
From: Steven Rostedt <rostedt@goodmis.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
cc: Gregory Haskins <ghaskins@novell.com>, Ingo Molnar <mingo@elte.hu>,
       Andi Kleen <andi@firstfloor.org>, Matthew Wilcox <matthew@wil.cx>,
       Peter Zijlstra <peterz@infradead.org>, paulmck@linux.vnet.ibm.com,
       Chris Mason <chris.mason@oracle.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       linux-fsdevel <linux-fsdevel@vger.kernel.org>,
       linux-btrfs <linux-btrfs@vger.kernel.org>,
       Thomas Gleixner <tglx@linutronix.de>, Nick Piggin <npiggin@suse.de>,
       Peter Morreale <pmorreale@novell.com>,
       Sven Dietrich <SDietrich@novell.com>
Subject: Re: [PATCH -v5][RFC]: mutex: implement adaptive spinning
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On Wed, 7 Jan 2009, Steven Rostedt wrote:
> 
> True. I need to keep looking at the code that is posted. In -rt, we force 
> the fast path into the slowpath as soon as another task fails to get the 
> lock. Without that, as you pointed out, the code can be racy.

I mean we force the fast unlock path into the slow path as soon as another 
task fails to get the lock.

-- Steve

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