Philip Guenther <guenther@gmail.com> wrote:

> Okay, then I think the original diff is correct, though maybe we add
> the assertwaitok() to fpu_kernel_enter() so we remain confident of
> that.

If an assert triggers at this point, in drm code, it is unlikely that
a user will see it.  I expect it will deadlock the kernel hard in a
very invisible fashion...

But it is still the right thing to do..