[Intel-gfx] [PATCH 09/14] drm: Protect authmagic with master_mutex

[Chris Wilson]

On Tue, Jun 14, 2016 at 08:51:04PM +0200, Daniel Vetter wrote:
> Simplifies cleanup, and there's no reason drivers should ever care
> about authmagic at all - it's all handled in the core.
> 
> And with that, Ladies and Gentlemen, it's time to pop the champagen
> and celebrate: dev->struct_mutex is now officially gone from modern
> drivers, and if a driver is using gem_free_object_unlocked and doesn't
> do anything else silly it's positively impossible to ever touch
> dev->struct_mutex at runtime, anywhere.

Still keen to know what the fuss is all about.
 
> Well except for the mutex_init on driver load ;-)
> 
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre