Re: [PATCH 11/12] pid: rewrite task helper functions avoiding task->pid and task->tgid

On Mon, Dec 16, 2013 at 05:20:51PM -0500, Richard Guy Briggs wrote: > static inline bool is_idle_task(const struct task_struct *p) > { > - return p->pid == 0; > + return task_pid(p) == &init_struct_pid; > } > I'll stick with task_pid_nr(p) == 0. We're going to probably switch to: return p->flags & PF_IDLE; Soon, because people are playing silly tricks and want normal threads to temporarily appear to be the idle thread (idle time injection).