On 08/04, Oleg Nesterov wrote: > > On 08/04, Denys Vlasenko wrote: > > > > "why do we need percpu old_rsp thingy?" in particular. > > See thread_struct->usersp, current_user_stack_pointer().
Btw, perhaps it makes sense to document that task_pt_regs(current)->sp is not current_user_stack_pointer() inside system_call_fastpath. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
