On Mon, Dec 03, 2018 at 05:33:59PM +0000, Jason Gunthorpe wrote: > On Mon, Dec 03, 2018 at 12:26:10PM -0500, Doug Ledford wrote: > > > > > A per-char put_user() sounds pretty expensive since you are having to do > > > > a __uaccess_begin();__uaccess_end() around every put_user(). I took it > > > > as is, but it might be worth considering doing something like a 32 > > > > byte > > > > > > This patch requries the last series of write() handlers before it will > > > work properly, don't apply it just yet - will create a crazy security > > > problem.. > > > > Yes, I thought I saw you say you applied it already? And I started from > > your wip/jgg-for-next that's currently pushed. Was I incorrect in that? > > That is the right branch, but there are three series reworking write, > only the first two are applied, the last one still in patchworks > didn't get applied yet.. Oh wait, I read this entirely wrong :( You are good, sorry.. For some reason I thought we were talking about a different patch Jason