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Date:	Sat, 19 Dec 2009 10:26:07 +0100
From:	Peter Zijlstra <>
To:	Frederic Weisbecker <>
Cc:	Ingo Molnar <>, LKML <>,
	Arnaldo Carvalho de Melo <>,
	Paul Mackerras <>
Subject: Re: [PATCH] perf tools: Prevent from BITS_PER_LONG redefinition

On Fri, 2009-12-18 at 23:05 +0100, Frederic Weisbecker wrote:
> +#ifndef BITS_PER_LONG
>  /* CHECKME: Not sure both always match */
> +#endif 

Why use __WORDSIZE if you're not sure?

(8*sizeof(long)) is simple and unambiguous.

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