linux-kernel - Re: [PATCH 2/2] arch/sh/mm: Eliminate a double lock

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Message-ID: <87lja9q0b1.fsf@linux-g6p1.site>
Date:	Sun, 20 Jun 2010 14:51:46 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Julia Lawall <julia@...u.dk>
Cc:	Paul Mundt <lethal@...ux-sh.org>, linux-sh@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 2/2] arch/sh/mm: Eliminate a double lock

On Sun, 20 Jun 2010 13:24:54 +0200 (CEST), Julia Lawall <julia@...u.dk> wrote:
> From: Julia Lawall <julia@...u.dk>
> 
> The function begins and ends with a read_lock.  The latter is changed to a
> read_unlock.

I think we've been quite lucky here so far, in that no one takes a
write_lock after we've double-read-locked pmb_rwlock.

Acked-by: Matt Fleming <matt@...sole-pimps.org>
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