[Intel-gfx] [PATCH v3] drm/vgem: Attach sw fences to exported vGEM dma-buf (ioctl)

[Chris Wilson]

On Thu, Jul 14, 2016 at 02:23:04PM +0100, Chris Wilson wrote:
> The biggest reason I had against going the sw_sync only route was that
> vgem should provide unprivileged fences and that through the bookkeeping
> in vgem we can keep them safe, ensure that we don't leak random buffers
> or fences. (And I need a source of foriegn dma-buf with implicit fence
> tracking with which I can try and break the driver.)

And for testing passing around content + fences is more useful than
passing fences alone.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre