On Thu, Sep 10, 2020 at 06:59:21PM -0300, Jason Gunthorpe wrote: > So, I suggest pXX_offset_unlocked()
Urgh, no. Elsewhere in gup _unlocked() means it will take the lock itself (get_user_pages_unlocked()) -- although often it seems to mean the lock is already held (git grep _unlocked and marvel). What we want is _lockless().
