Make release master support optional

Introduces CONFIG_RELEASE_MASTER and makes release
master support dependent on the new symbol. This is
useful because dedicated interrupt handling only applies
to "large" multicore platforms. This will allow us to
not implement smp_send_pull_timers() for all platforms.

1 files changed, 8 insertions, 0 deletions

diff --git a/litmus/rt_domain.c b/litmus/rt_domain.c
index 8d5db6050723..26f1cc48f865 100644
--- a/litmus/rt_domain.c
+++ b/litmus/rt_domain.c
@@ -158,7 +158,9 @@ static void reinit_release_heap(struct task_struct* t)
 
         /* initialize */
         bheap_init(&rh->heap);
+#ifdef __ARCH_HAS_SEND_PULL_TIMERS
         atomic_set(&rh->info.state, HRTIMER_START_ON_INACTIVE);
+#endif
 }
 /* arm_release_timer() - start local release timer or trigger
  *     remote timer (pull timer)
@@ -221,15 +223,19 @@ static void arm_release_timer(rt_domain_t *_rt)
                          *
                          * PINNED mode is ok on both local and remote CPU
                          */
+#ifdef CONFIG_RELEASE_MASTER
                         if (rt->release_master == NO_CPU)
+#endif
                                 __hrtimer_start_range_ns(&rh->timer,
                                                 ns_to_ktime(rh->release_time),
                                                 0, HRTIMER_MODE_ABS_PINNED, 0);
+#ifdef CONFIG_RELEASE_MASTER
                         else
                                 hrtimer_start_on(rt->release_master,
                                                 &rh->info, &rh->timer,
                                                 ns_to_ktime(rh->release_time),
                                                 HRTIMER_MODE_ABS_PINNED);
+#endif
                 } else
                         TRACE_TASK(t, "0x%p is not my timer\n", &rh->timer);
         }
@@ -251,7 +257,9 @@ void rt_domain_init(rt_domain_t *rt,
         if (!order)
                 order = dummy_order;
 
+#ifdef CONFIG_RELEASE_MASTER
         rt->release_master = NO_CPU;
+#endif
 
         bheap_init(&rt->ready_queue);
         INIT_LIST_HEAD(&rt->tobe_released);