On Fri, 24 May 2019 08:05:53 -0400 Steven Rostedt <[email protected]> wrote:
> > > > > +#define SHADOW_STACK_SIZE (PAGE_SIZE) > > > > Do we really need that big a shadow stack? > > Well, this is a sticky point. I allow up to 16 users at a time > (although I can't imagine more than 5, but you never know), and each > user adds a long and up to 4 more words (which is probably unlikely > anyway). And then we can have deep call stacks (we are getting deeper > each release it seems). > > I figured, I start with a page size, and then in the future we can make > it dynamic, or shrink it if it proves to be too much. I'd prefer dynamic allocation, based on the number of users or actual stack starvation. Thank you, -- Masami Hiramatsu <[email protected]>
