linux-kernel - Re: Q: smp.c && barriers (Was: [PATCH 1/4] generic-smp: remove single ipi fallback for smp_call_function

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Message-ID: <20090218172349.GA14798@elte.hu>
Date:	Wed, 18 Feb 2009 18:23:49 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Suresh Siddha <suresh.b.siddha@...el.com>,
	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>,
	Yinghai Lu <yinghai@...nel.org>, Nick Piggin <npiggin@...e.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jens Axboe <jens.axboe@...cle.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Steven Rostedt <rostedt@...dmis.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: Q: smp.c && barriers (Was: [PATCH 1/4] generic-smp: remove
	single ipi fallback for smp_call_function_many())


* Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Wed, 18 Feb 2009, Ingo Molnar wrote:
> > 
> > ok, it's documented:
> > 
> >    Intel® 64 and IA-32 Architectures
> >    Software Developer’s Manual
> >                            Volume 3A:
> >        System Programming Guide, Part 1
> > 
> >  9.5.3        MSR Access in x2APIC Mode
> 
> Well, mine says
> 
> 	9.5.3 Error Handling
> 
> so I guess I need to download a newer version. After all, mine 
> is "ancient" in being a year old (the February-2008 version) 
> and not covering x2APIC at all.

Mine is 253668.pdf, that's the freshest available:

  http://download.intel.com/design/processor/manuals/253668.pdf

	Ingo
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