linux-kernel - Re: [PATCH] clk: Really fix deadlock with mmap

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Date:	Fri, 12 Dec 2014 23:05:43 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	Mike Turquette <mturquette@...aro.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] clk: Really fix deadlock with mmap_sem

On Fri, Dec 12, 2014 at 03:04:16PM -0800, Stephen Boyd wrote:
> Commit 6314b6796e3c (clk: Don't hold prepare_lock across debugfs
> creation, 2014-09-04) forgot to update one place where we hold
> the prepare_lock while creating debugfs directories. This means
> we still have the chance of a deadlock that the commit was trying
> to fix. Actually fix it by moving the debugfs creation outside
> the prepare_lock.
> 
> Reported-by: Russell King - ARM Linux <linux@....linux.org.uk>

Please use "Russell King <rmk+kernel@....linux.org.uk>" rather than this
address, thanks.

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