On Fri, May 22, 2020 at 07:27:11PM +0200, Peter Zijlstra wrote: > On Fri, May 22, 2020 at 10:22:51AM -0700, Kees Cook wrote: > > > But yes, I think getting a copy of asm.h would be nice here. I don't > > think the WRITE_ONCE() is needed in this particular case. Hmm. > > Paranoia on my end because I had no clue wth he wanted with his -O0 > magic gunk. Heh, yes, which is why I asked for many more comments. ;) I *think* it was entirely to control the stack (and ssp) behavior (i.e. don't inline, don't elide unused stack variables, etc). -- Kees Cook
