On Fri, Sep 11, 2020 at 09:09:39AM +0200, peterz@xxxxxxxxxxxxx wrote: > 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(). This is clear to me! Thanks, Jason