On Wed, 2009-12-09 at 13:24 +0000, Al Viro wrote: > > That is, IIRC the problem is that you need to have the argc/env in place > > for the binfmt engine thing, and need to have ran the binfmt engine > > thing before you know the personality. > > > > As to your idea, if that were feasible we could do without the copy and > > simply steal the pages directly from the old mm. > > *raised brows* > Old mm may bloody well be still shared, so I'd be vary of trying that - > there's a lot of nasty surprises we could get on that way. Good point, but I think we might be able to do the copy from old to new in flush_old_exec() if we can get the binfmt things to pass the right address along (or set it in the brpm struct). It looks like it has clue about personality at that point. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
