On 5/3/21 12:41 PM, Brijesh Singh wrote: > Sure, I will look into all the drivers which do a walk plus kmap to make > sure that they fail instead of going into the fault path. Should I drop > this patch or keep it just in the case we miss something? I think you should drop it, and just ensure that the existing page fault oops code can produce a coherent, descriptive error message about what went wrong.