On Fri, Oct 16, 2015 at 07:39:20PM +0530, Goel, Akash wrote:
> 
> Discussed sometime back about this patch with Chris. He mainly has 2
> concerns with it.
> 1. The linear walk used by the patch to detect the overlapping
> objects would be expensive.
> 2. Restriction to disallow !RCS submissions for non-default
> contexts, which could lead to lot of conflicts for the placements,
> once multiple engines like media/blit/vebox are used
> 
> Both of them can be addressed by the subsequent patches.
> Chris already has the patch ready to reduce the validation overhead
> with the use of rbtree and there should be no implications of
> allowing the non-default contexts for !RCS submissions in
> execbuffer.
> 
> In the standalone form, the patch looks good, so
> Reviewed-by: "Akash Goel <akash.g...@intel.com>"

I am sorry, but this patch does not reflect the final version that I
wrote, in particular does not provide the support I actually use inside
the kernel.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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