linux-kernel - Re: [RFC][PATCH 6/8] mm: handle_speculative

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Date:	Fri, 8 Jan 2010 20:10:51 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Minchan Kim <minchan.kim@...il.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"hugh.dickins" <hugh.dickins@...cali.co.uk>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [RFC][PATCH 6/8] mm: handle_speculative_fault()

On Fri, Jan 08, 2010 at 12:56:08PM -0600, Christoph Lameter wrote:
> On Fri, 8 Jan 2010, Andi Kleen wrote:
> 
> > This year's standard server will be more like 24-64 "cpus"
> 
> What will it be? 2 or 4 sockets?

2-4 sockets.
 
> > Cheating with locks usually doesn't work anymore at these sizes.
> 
> Cheating means?

Not really fixing the underlying data structure problem.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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