linux-kernel - Re: [PATCH 2.6.20-rc4 3/4] futex_requeue

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Date:	Tue, 09 Jan 2007 08:33:53 -0800
From:	Ulrich Drepper <drepper@...hat.com>
To:	Pierre Peiffer <pierre.peiffer@...l.net>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Dinakar Guniguntala <dino@...ibm.com>,
	Jean-Pierre Dion <jean-pierre.dion@...l.net>,
	Ingo Molnar <mingo@...e.hu>, Jakub Jelinek <jakub@...hat.com>,
	Darren Hart <dvhltc@...ibm.com>,
	Sébastien Dugué <sebastien.dugue@...l.net>
Subject: Re: [PATCH 2.6.20-rc4 3/4] futex_requeue_pi optimization

Pierre Peiffer wrote:
> This provides an optimization, already used for (normal) futexes, to be
> used for
> PI-futexes.

So, this patch implements requeuing from a non-PI futex to a PI futex?
That's the bare minimum needed.  What about PI to PI?

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖


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