[PATCH] drm/i915: Fix vGPU kernel context kmemleak

[Chris Wilson]

Quoting Zhenyu Wang (2019-12-17 07:13:54)
> Current GVT allocates kernel context as vGPU submission context.
> For vGPU destroy, the kernel context needs to be close then released,
> otherwise context's vm ppgtt resource would cause memleak issue like
> below. This trys to add new helper to destroy kernel context for that.

There's only been patches to remove the last of the kernel context for
that last year, after which this is moot.
-Chris