linux-kernel - Re: [RFC][PATCH v2 5/5] mutex: Give spinners a chance to spin_on_owner if need

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Message-ID: <20140203210636.GY5002@laptop.programming.kicks-ass.net>
Date:	Mon, 3 Feb 2014 22:06:36 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jason Low <jason.low2@...com>
Cc:	Ingo Molnar <mingo@...hat.com>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Waiman Long <Waiman.Long@...com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Rik van Riel <riel@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Davidlohr Bueso <davidlohr@...com>,
	"H. Peter Anvin" <hpa@...or.com>, Andi Kleen <andi@...stfloor.org>,
	"Chandramouleeswaran, Aswin" <aswin@...com>,
	"Norton, Scott J" <scott.norton@...com>, chegu_vinod@...com
Subject: Re: [RFC][PATCH v2 5/5] mutex: Give spinners a chance to
 spin_on_owner if need_resched() triggered while queued

On Mon, Feb 03, 2014 at 12:55:34PM -0800, Jason Low wrote:
> On Mon, 2014-02-03 at 20:25 +0100, Peter Zijlstra wrote:
> > XXX: anybody got a better name than m_spinlock?
> 
> So I was thinking something along the lines of
> mcs_spin_lock_cancelable() as that's essentially what this function
> does.

sure, but what do we call the data structure that goes with it? Can't
have two struct mcs_spinlock :/
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