On Sat, Jan 19, 2013 at 03:23:57AM +0000, Al Viro wrote: > ITYM current_pt_regs()... > > > + if (unlikely(is_do_ss_needed(magic))) > > + if (do_sigaltstack(&sf->uc.uc_stack, NULL, regs->sp) == -EFAULT) > if (!restore_altstack(&sf->uc.uc_stack)) > please...
... only without the braino - if (restore_altstack(...))