Re: Q: smp.c && barriers (Was: [PATCH 1/4] generic-smp: removesingle ipi fallback for smp_call_function_many())

From: Ingo Molnar
Date: Wed Feb 18 2009 - 12:24:52 EST



* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Wed, 18 Feb 2009, Ingo Molnar wrote:
> >
> > ok, it's documented:
> >
> > Intel 64 and IA-32 Architectures
> > Software Developerâs 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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