linux-kernel - Re: [PATCH] rtmutex: ensure only the top waiter or higher priority task can take the lock and reduce unrelated boosting

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Message-ID: <1292555862.22905.5.camel@gandalf.stny.rr.com>
Date:	Thu, 16 Dec 2010 22:17:42 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	Darren Hart <dvhart@...ux.intel.com>,
	Lai Jiangshan <eag0628@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Young <hidave.darkstar@...il.com>,
	Namhyung Kim <namhyung@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] rtmutex: ensure only the top waiter or higher priority
 task can take the lock and reduce unrelated boosting

On Fri, 2010-12-17 at 11:10 +0800, Lai Jiangshan wrote:
> On 12/17/2010 04:33 AM, Darren Hart wrote:

> I also try to port it to -rt. Steven, have you ported it to -rt?

I'm porting it now. -rt does a a bit to the rtmutex.c code, and I spent
a bit of time cleaning it up. I finally got your patch to compile, and
now I'm debugging it ;-)

I'm hoping to have it ready to post tomorrow.

-- Steve


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