On Mon, 2009-02-02 at 16:55 +1100, Benjamin Herrenschmidt wrote: > Once upon a time, the DRM made the distinction between the drm_map > data structure exchanged with user space and the drm_local_map used > in the kernel. > > For some reasons, while the BSD port still has that "feature", the > linux part abused drm_map for kernel internal usage as the local > map only existed as a typedef of the struct drm_map. > > This patch fixes it by declaring struct drm_local_map separately > (though its content is currently identical to the userspace variant), > and changing the kernel code to only use that, except when it's a > user<->kernel interface (ie. ioctl). > > This allows subsequent changes to the in-kernel format > > I've also replaced the use of drm_local_map_t with struct drm_local_map > in a couple of places. Mostly by accident but they are the same (the > former is a typedef of the later) and I have some remote plans and > half finished patch to completely kill the drm_local_map_t typedef > so I left those bits in. > > Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Thanks for taking on this mess! Acked-by: Eric Anholt <e...@anholt.net> -- Eric Anholt e...@anholt.net eric.anh...@intel.com
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