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Subject: Re: [RFC][PATCH 6/8] mm: handle_speculative_fault()
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Date: Tue, 05 Jan 2010 21:29:16 +0100
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To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Christoph Lameter <cl@linux-foundation.org>, Andi Kleen <andi@firstfloor.org>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, Minchan Kim <minchan.kim@gmail.com>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-mm@kvack.org" <linux-mm@kvack.org>, "hugh.dickins" <hugh.dickins@tiscali.co.uk>, Nick Piggin <nickpiggin@yahoo.com.au>, Ingo Molnar <mingo@elte.hu>
List-ID: <linux-mm.kvack.org>

On Tue, 2010-01-05 at 10:25 -0800, Linus Torvalds wrote:
> The readers are all hitting the 
> lock (and you can try to solve the O(n*2) issue with back-off, but quite 
> frankly, anybody who does that has basically already lost 

/me sneaks in a reference to local spinning spinlocks just to have them
mentioned.

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