linux-kernel - Re: [PATCH] FUTEX : new PRIVATE futexes

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Date:	Fri, 06 Apr 2007 14:31:58 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	Ulrich Drepper <drepper@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Jones <davej@...hat.com>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Ingo Molnar <mingo@...e.hu>, Andi Kleen <ak@...e.de>,
	Ravikiran G Thirumalai <kiran@...lex86.org>,
	"Shai Fultheim (Shai@...lex86.org)" <shai@...lex86.org>,
	pravin b shelar <pravin.shelar@...softinc.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] FUTEX : new PRIVATE futexes

On Thu, 2007-04-05 at 19:49 +0200, Eric Dumazet wrote:
> Hi all
> 
> I'm pleased to present this patch which improves linux futexes performance and 
> scalability, merely avoiding taking mmap_sem rwlock.
> 
> Ulrich agreed with the API and said glibc work could start as soon
> as he gets a Fedora kernel with it :)
> 
> Andrew, could we get this in mm as well ? This version is against 2.6.21-rc5-mm4
> (so supports 64bit futexes)
> 
> In this third version I dropped the NUMA optims and process private hash table,
> to let new API come in and be tested.

Good work, Thanks!

Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

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