Re: [PATCH RFC] frontend.c: Remove the BKL from agp_open

From: Dave Airlie
Date: Mon Oct 12 2009 - 06:20:28 EST


>> On Mon, Oct 12, 2009 at 6:24 AM, John Kacur <jkacur@xxxxxxxxxx> 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@xxxxxxxxxx>

>
> Thanks
>
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