linux-kernel - Re: [PATCH 3/6] perf: Round robin groups of events using list_rotate

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Message-ID: <1263471922.4244.311.camel@laptop>
Date:	Thu, 14 Jan 2010 13:25:22 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH 3/6] perf: Round robin groups of events using
 list_rotate_left()

On Sun, 2010-01-10 at 02:38 +0100, Frederic Weisbecker wrote:
> This is more proper that doing it through a list_for_each_entry()
> that breaks after the first entry.
> 
> Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
> Cc: Paul Mackerras <paulus@...ba.org>
> ---

> +	list_rotate_left(&ctx->pinned_groups);
> +	list_rotate_left(&ctx->flexible_groups);

Just wondering, pinned events were supposed to be on the pmu at all
times, right?

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