[Bug 94350] [BAT BSW] lockdep splat due to stop_machine() in ggtt pte programming

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94350

--- Comment #2 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Chris Wilson from comment #1)
> Surely you meant due to the the kernfs  might_fault() whilst holding a lock
> already tainted by mmap_sem.

Whatever works. I stopped reading at stop_machine() :P

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