[DRM] BUG: sleeping function called from invalid context, drm_lastclose

[Luca Tettamanti]

On Wed, Aug 11, 2010 at 10:50 AM, Dave Airlie <airlied at gmail.com> wrote:
> On Wed, Aug 11, 2010 at 6:48 PM, Luca Tettamanti <kronos.it at gmail.com> wrote:
>> Hi Arnd,
>> this commit:
>>
>> commit 58374713c9dfb4d231f8c56cac089f6fbdedc2ec
>> Author: Arnd Bergmann <arnd at arndb.de>
>> Date:   Sat Jul 10 23:51:39 2010 +0200
>>
>>    drm: kill BKL from common code
>>
>>
>> moved the call to (inside drm_release) drm_lastclose inside dev->count_lock
>> spinlock.
>> drm_lastclose however takes dev->struct_mutex (now inside an atomic
>> context):
>
> I have a patch from Chris Wilson that I need to push to fix this,
> basically reducing the spin lock coverage,
> and relying on the global mutex to handle the open race.

Ok, thank you :)

Luca