[Intel-gfx] [PATCH 04/24] drm/i915: Pin backing pages for pread

[Ben Widawsky]

On Tue,  4 Sep 2012 21:02:56 +0100
Chris Wilson <chris at chris-wilson.co.uk> wrote:

> By using the recently introduced pinning of pages, we can safely drop
> the mutex in the knowledge that the pages are not going to disappear
> beneath us, and so we can simplify the code for iterating over the pages.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
If you fix patch3 to explain, it explain here too. Write is always
scarier for me anyway. With fixed patch 3, it's
Reviewed-by: Ben Widawsky <ben at bwidawsk.net>
-- 
Ben Widawsky, Intel Open Source Technology Center