I think this patch is just a proof of concept for now. It should not be
submitted because there are still some known locking issues that need to
be solved, and we don't have the code yet that handles the recoverable
page faults resulting from this.
Regards,
Felix
On 2019-12-20 1:24, Alex Si
This is required for HMM functionality only on GFXv9 GPU, which supports
recoverable page faults.
[Why]
Instead of stopping all user mode queues during a userptr mapping.
The GFXv9 recoverable page fault is used to revalidate userptr mappings.
Now, this will be done on the page fault handler.
[Ho