linux-kernel - Re: [PATCH] perf_counter: extensible perf_counter

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Message-Id: <1244496223.6691.2.camel@laptop>
Date:	Mon, 08 Jun 2009 23:23:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] perf_counter: extensible perf_counter_attr

On Mon, 2009-06-08 at 14:18 -0700, Corey Ashford wrote:
> pca.ext_attrs = &feature.head; /* secretly know that there's data that lies past 
> the attr struct header */

Right, except its not so very secret since we have the type field
telling us.

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