linux-kernel - Re: [PATCH 3/6] dma: coh901318

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Message-ID: <CACRpkdZ=9pmutR2G+z5kQpjx2O6995OnDU8iN3cqar3TWoX=Lg@mail.gmail.com>
Date:	Fri, 15 Feb 2013 15:52:10 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Vinod Koul <vinod.koul@...el.com>, linux-kernel@...r.kernel.org,
	Viresh Kumar <viresh.kumar@...aro.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 3/6] dma: coh901318_lli: avoid unbalanced locking

On Tue, Feb 12, 2013 at 11:58 AM, Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:

> I have not checked the code but there is a possibility that custom pool->lock
> is not needed at all due to dma_pool contains it's own lock.

Can you please change the description to something like:

"The coh901318_lli allocator releases a lock on the exit path without
taking it first".

Which is what the patch is actually fixing.

After that it's Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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