On Mon, Nov 27, 2017 at 08:27:55PM +0800, Greentime Hu wrote:
> +#define start_thread(regs,pc,stack) \
> +({ \
> + set_fs(USER_DS); \Not the job of start_thread() - its users (->load_binary() methods of assorted binfmt) must (and do) call flush_old_exec() first. And that will switch to USER_DS just fine.
