linux-kernel - Re: [PATCH 02/10] perf, trace: Use per-tracepoint-per-cpu hlist to track events

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Message-ID: <20100521103840.GA23624@elte.hu>
Date:	Fri, 21 May 2010 12:38:40 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/10] perf, trace: Use per-tracepoint-per-cpu hlist to
 track events


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Fri, 2010-05-21 at 12:13 +0200, Frederic Weisbecker wrote:
> > > What exactly is the puzzlement about?
> 
> > The fact we use the hlist API not for hlist purpose 
> > but for a list.
> 
> I might miss the confusion, but hlist _are_ lists. Its 
> just that their structure is slightly different that the 
> regular struct list_head stuff.

Using an API in such a mixed way may cause puzzlement ;-)

Fortunately we've got the ultimate anti-puzzlement weapon: 
code comments.

	Ingo
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