On Fri, Sep 17, 2021 at 11:02:07AM +0800, 王贇 wrote:
>
>
> On 2021/9/16 下午6:02, Peter Zijlstra wrote:
> [snip]
> >
> > +static __always_inline bool in_stack_guard(void *addr, void *begin, void *end)
> > +{
> > +#ifdef CONFIG_VMAP_STACK
> > + if (addr > (begin - PAGE_SIZE))
> > + return true;
>
> After fix this logical as:
>
> addr >= (begin - PAGE_SIZE) && addr < begin
>
> it's working.
Shees, I seem to have a knack for getting it wrong, don't I. Thanks!
Anyway, I'll ammend the commit locally, but I'd really like some
feedback from Andy, who wrote all that VIRT_STACK stuff in the first
place.
