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

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Date:	Fri, 8 Jan 2010 20:28:15 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Christoph Lameter <cl@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.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 11:11:32AM -0800, Linus Torvalds wrote:
> 
> 
> On Fri, 8 Jan 2010, 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?
> 
> I think we can be pretty safe in saying that two sockets is going to be 
> overwhelmingly the more common case.

With 24 CPU threads cheating is very difficult too.

Besides even the "uncommon" part of a large pie can be still a lot of systems.

-Andi

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