On 19/8/21 5:26 pm, Christoph Hellwig wrote:
On Wed, Aug 18, 2021 at 03:38:23PM +0800, Desmond Cheong Zhi Xi wrote:
+EXPORT_SYMBOL(task_work_add);
EXPORT_SYMBOL_GPL for this kinds of functionality, please.
Thanks, I wasn't aware of the GPL-only export. I'll update this in a
future series i
On Wed, Aug 18, 2021 at 03:38:23PM +0800, Desmond Cheong Zhi Xi wrote:
> The task_work_add function is needed to prevent userspace races with
> DRM modesetting rights.
>
> Some DRM ioctls can change modesetting permissions while other
> concurrent users are performing modesetting. To prevent races
