On Wed, Mar 31, 2021 at 11:51 PM Omar Sandoval <osandov@xxxxxxxxxxx> wrote:
>
> + *
> + * The recommended usage is something like the following:
> + *
> + * if (usize > PAGE_SIZE)
> + * return -E2BIG;
Maybe this should be more than a recommendation, and just be inside
copy_struct_from_iter(), because otherwise the "check_zeroed_user()"
call might be quite the timesink for somebody who does something
stupid.
But otherwise this new version (still) looks fine to me.
Linus
