On Wed, 28 Mar 2018, Thomas Gleixner wrote: > On Tue, 27 Mar 2018, Kees Cook wrote: > > > > I guess if we put this storage into the rs_control (rather than on the > > > stack) then we'd have to worry about concurrent uses of it. It looks > > > like all the other fields are immutable once it's set up so there might > > > be such users. In fact, I suspect there are... > > > > Exactly. :( This is the same conclusion tglx and I came to. > > I think we can lift that and just let all users set up a new rs_control > from scratch. Takes some time to init the tables, but ....
Bah, no. dm-verity really wants to share them.....
