On Thu, Jun 6, 2019 at 7:28 PM Daniel Vetter wrote:
>
> We're now guaranteed to no longer race against prepare_fb/cleanup_fb,
> which means we can access ->vaddr without having to hold a lock.
>
> Before the previous patches it was fairly easy to observe the cursor
> ->vaddr being invalid, but tha
We're now guaranteed to no longer race against prepare_fb/cleanup_fb,
which means we can access ->vaddr without having to hold a lock.
Before the previous patches it was fairly easy to observe the cursor
->vaddr being invalid, but that's now gone, so we can upgrade to a
full WARN_ON.
Signed-off-b