On Wed, Mar 29, 2017 at 2:35 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: > > Randomization also needs to leave thread_info at the beginning. Can it do that? Good point, and good question. No idea if the gcc extension can do, but yes, it clearly needs a "you can't move this entry". I assume it has some such capability already, because it's fairly common to have that kind of "beginning of structure if fixed" due to unions of structures anyway. Linus