[Intel-gfx] [PATCH 04/21] drm/i915: Use RCU for unlocked vm_idr lookup

[Matthew Auld]

On Fri, 30 Aug 2019 at 07:14, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>
> Since i915_address_space is now RCU protected, we can do the vm_idr lookup
> without taking the vm_idr_mutex, just with the rcu_read_lock() instead.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>