linux-kernel - Re: [PATCH 1/1 repost #1] DRM: don't enable irqs in locking

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Date:	Wed, 13 Aug 2008 12:08:21 +0100
From:	Johannes Engel <jcnengel@...glemail.com>
To:	Thomas Hellström <thomas@...gstengraphics.com>
CC:	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1 repost #1] DRM: don't enable irqs in locking

Thomas Hellström wrote:
> Johannes Engel wrote:
>> Thomas Hellström wrote:
>>> Yes, this bug could occur, but the remedy is not to use 
>>> spin_lock_irqsave() for lock_data::spinlock but to avoid calling 
>>> drm_lock_take with the drm_device::tasklet_lock held with irqs 
>>> disabled.
>>> I'll see if I can come up with a patch.
>> Hi Thomas,
>>
>> any news on that so far?
>>
>> Cheers, Johannes
> Hi!
> Been on vacation.
>
> Pls try the attached patch. 
It works for me. Thanks a lot.
Hope you had pleasant holidays. :)

Cheers, Johannes
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