[Intel-gfx] [PATCH 24/30] drm/i915: Refactor pwrite/pread to use single copy of get_user_pages
Chris Wilson
chris at chris-wilson.co.uk
Sat Apr 16 10:03:50 CEST 2011
On Fri, 15 Apr 2011 11:48:33 +0200, Paul Menzel <paulepanter at users.sourceforge.net> wrote:
> Am Donnerstag, den 14.04.2011, 16:23 -0700 schrieb Ben Widawsky:
> > On Wed, Apr 13, 2011 at 08:56:26PM +0100, Chris Wilson wrote:
> > > * First, we try the lockless variant of gup whilst continuing to hold the
>
> I do not know what »gup« means.
I guessed that people would recognise the common abbreviation for
get_user_pages, but not many people know about the different variants.
(I didn't until I dug through the headers trying to find a way
to avoid the mm semaphore.) So being explicit here helps, thanks.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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