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Date: Wed, 06 Nov 2013 13:42:34 -0800 From: "H. Peter Anvin" <hpa@...or.com> To: Tim Chen <tim.c.chen@...ux.intel.com>, Ingo Molnar <mingo@...e.hu>, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de> CC: linux-kernel@...r.kernel.org, linux-mm <linux-mm@...ck.org>, linux-arch@...r.kernel.org, Linus Torvalds <torvalds@...ux-foundation.org>, Waiman Long <waiman.long@...com>, Andrea Arcangeli <aarcange@...hat.com>, Alex Shi <alex.shi@...aro.org>, Andi Kleen <andi@...stfloor.org>, Michel Lespinasse <walken@...gle.com>, Davidlohr Bueso <davidlohr.bueso@...com>, Matthew R Wilcox <matthew.r.wilcox@...el.com>, Dave Hansen <dave.hansen@...el.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Rik van Riel <riel@...hat.com>, Peter Hurley <peter@...leysoftware.com>, "Paul E.McKenney" <paulmck@...ux.vnet.ibm.com>, Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>, George Spelvin <linux@...izon.com>, Arnd Bergmann <arnd@...db.de>, Aswin Chandramouleeswaran <aswin@...com>, Scott J Norton <scott.norton@...com>, Will Deacon <will.deacon@....com>, "Figo.zhang" <figo1802@...il.com> Subject: Re: [PATCH v3 0/4] MCS Lock: MCS lock code cleanup and optimizations On 11/06/2013 01:36 PM, Tim Chen wrote: > In this patch series, we separated out the MCS lock code which was > previously embedded in the mutex.c. This allows for easier reuse of > MCS lock in other places like rwsem and qrwlock. We also did some micro > optimizations and barrier cleanup. > > This patches were previously part of the rwsem optimization patch series > but now we spearate them out. > > Tim Chen Perhaps I'm missing something here, but what is MCS lock and what is the value? -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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