linux-kernel - Re: [PATCH RFC] frontend.c: Remove the BKL from agp

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Message-ID: <21d7e9970910120319v34af6fe5y7ccc42c6db67276@mail.gmail.com>
Date:	Mon, 12 Oct 2009 20:19:33 +1000
From:	Dave Airlie <airlied@...il.com>
To:	John Kacur <jkacur@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	David Airlie <airlied@...ux.ie>,
	Jonathan Corbet <corbet@....net>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Vincent Sanders <vince@...tec.co.uk>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH RFC] frontend.c: Remove the BKL from agp_open

>> On Mon, Oct 12, 2009 at 6:24 AM, John Kacur <jkacur@...hat.com> wrote:
>> >
>> > @David Airlie. I was looking at the agp driver for removal of the bkl
>> > lock. From what I could tell, the mutex_lock(&(agp_fe.agp_mutex)) should
>> > cover what we need. However, I may have easily missed something, and would
>> > appreciate your review / comments on the patch.
>>
>> This seems fine, though I suck at locking logic,
>>
>> One thing to note is the number of users of this interface is probably
>> close to 0,
>> so even if this does break something we probably won't ever find out.
>>
>> Dave.
>>
>
> Hmnn, you are listed as the maintainer - don't at least YOU use this
> driver? Also, if it seem fine to you, can I have an ack?

The AGP frontend isn't a driver, its just an interface to the AGP driver,
for very old X servers pre-drm support, most X servers don't use this
interface at all anymore, the graphics driver deals with it.

But it looks fine to me, so

Acked-by: Dave Airlie <airlied@...hat.com>

>
> Thanks
>
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