On Wed, Jul 24, 2019 at 04:28:31PM +0200, Jann Horn wrote: > On Wed, Jul 24, 2019 at 12:17 AM Kees Cook <keescook@xxxxxxxxxxxx> wrote: > > Perhaps we need a "statistics" counter type for these kinds of counters? > > "counter_t"? I bet there are a lot of atomic_t uses that are just trying > > to be counters. (likely most of atomic_t that isn't now refcount_t ...) > > This isn't a statistics counter though; this thing needs ordered > memory accesses, which you wouldn't need for statistics. Okay, it'd be a "very accurate" counter type? It _could_ be used for statistics. I guess what I mean is that there are a lot of places using atomic_t just for upward counting that don't care about wrapping, etc. -- Kees Cook
