On 13/11/2018 20:36, Andy Lutomirski wrote: > On Tue, Nov 13, 2018 at 10:33 AM Igor Stoppa <igor.stoppa@xxxxxxxxxx> wrote: [...] >> Unless the secondary mapping is also available to other cores, through >> the shared mm_struct ? >> > > I don't think this matters much. The other cores will only be able to > use that mapping when they're doing a rare write. Which has now been promoted to target for attacks :-) -- igor
