On Mon, Oct 14, 2013 at 12:43:35PM +0200, Juri Lelli wrote: > +/* > + * We are being explicitly informed that a new instance is starting, > + * and this means that: > + * - the absolute deadline of the entity has to be placed at > + * current time + relative deadline; > + * - the runtime of the entity has to be set to the maximum value. > + * > + * The capability of specifying such event is useful whenever a -deadline > + * entity wants to (try to!) synchronize its behaviour with the scheduler's > + * one, and to (try to!) reconcile itself with its own scheduling > + * parameters. > + */ > +static inline void setup_new_dl_entity(struct sched_dl_entity *dl_se) > +{ > + struct dl_rq *dl_rq = dl_rq_of_se(dl_se); > + struct rq *rq = rq_of_dl_rq(dl_rq); > + > + WARN_ON(!dl_se->dl_new || dl_se->dl_throttled); > + > + /* > + * We use the regular wall clock time to set deadlines in the > + * future; in fact, we must consider execution overheads (time > + * spent on hardirq context, etc.). > + */ > + dl_se->deadline = rq->clock + dl_se->dl_deadline; > + dl_se->runtime = dl_se->dl_runtime; > + dl_se->dl_new = 0; > +}
78becc270975 sched: Use an accessor to read the rq clock wants you to use rq_clock(rq) there I think. -- 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/