[PATCH 1/3] drm/amdgpu: fix a typo

[Marek Olšák]

On Thu, Jun 22, 2017 at 5:33 PM, Xie, AlexBin <AlexBin.Xie at amd.com> wrote:
> Hi Christian,
>
>
> In fact, the change from spinlock to atomic is quite painful. When I
> started, I thought it was easy but later I found there might be race
> condition here and there. Now I think the change looks more robust. In
> kernel source, there are several other drivers used the same trick.
>
>
> On the other hand, I think the logic itself might be optimized considering
> the locking. But I had spent quite some effort to maintain original logic.

It seems quite complicated and I don't know if there is any
performance benefit. Spinlocks are nice because they allow preemption.

It would be more interesting to merge the CS and BO_LIST ioctls into one.

Marek