Re: [PATCH 5/5] drm/vgem: properly implement mmap

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On Thu,  9 Feb 2012 00:19:31 +0100, Ben Widawsky <ben@xxxxxxxxxxxx> wrote:
> Mostly copied from i915 gtt mmaps, this will properly fault in pages as
> the user tries to use them. The only thing of note are that no
> prefaulting occurs, so perhaps some kind of madvise will happen later if
> needed.

What's the goal here? Why not copy the simpler (from the driver
perspective) CPU mmaps? I presume that this will be required for dmabuf
in some form?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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