Switch to HRTIMER_MODE_ABS_PINNED_HARD5.4-EXT-RES

Scheduling timers need to expire in a hard IRQ context which must be explicitly requested with Linux 5.4.

4 files changed, 6 insertions, 6 deletions

diff --git a/litmus/budget.c b/litmus/budget.c
index 00472f487560..fd2bdc2f24e5 100644
--- a/litmus/budget.c
+++ b/litmus/budget.c
@@ -81,7 +81,7 @@ static void arm_enforcement_timer(struct enforcement_timer* et,
         if (likely(!is_np(t))) {
                 when_to_fire = litmus_clock() + budget_remaining(t);
                 hrtimer_start(&et->timer, ns_to_ktime(when_to_fire),
-                        HRTIMER_MODE_ABS_PINNED);
+                        HRTIMER_MODE_ABS_PINNED_HARD);
                 et->armed = 1;
         }
 }
diff --git a/litmus/rt_domain.c b/litmus/rt_domain.c
index 733a483e3084..12aac565e219 100644
--- a/litmus/rt_domain.c
+++ b/litmus/rt_domain.c
@@ -248,7 +248,7 @@ static void arm_release_timer(rt_domain_t *_rt)
 #endif
                                 hrtimer_start(&rh->timer,
                                         ns_to_ktime(rh->release_time),
-                                        HRTIMER_MODE_ABS_PINNED);
+                                        HRTIMER_MODE_ABS_PINNED_HARD);
 #ifdef CONFIG_RELEASE_MASTER
                         else
                                 hrtimer_start_on(
@@ -257,7 +257,7 @@ static void arm_release_timer(rt_domain_t *_rt)
                                          target_cpu : rt->release_master),
                                         &rh->info, &rh->timer,
                                         ns_to_ktime(rh->release_time),
-                                        HRTIMER_MODE_ABS_PINNED);
+                                        HRTIMER_MODE_ABS_PINNED_HARD);
 #endif
                 } else
                         VTRACE_TASK(t, "0x%p is not my timer\n", &rh->timer);
diff --git a/litmus/sched_pfair.c b/litmus/sched_pfair.c
index f70db914852a..74f7d2a5c4d8 100644
--- a/litmus/sched_pfair.c
+++ b/litmus/sched_pfair.c
@@ -1212,7 +1212,7 @@ static int __init init_pfair(void)
         /* initialize CPU state */
         for (cpu = 0; cpu < num_online_cpus(); cpu++)  {
                 state = &per_cpu(pfair_state, cpu);
-                hrtimer_init(&state->quantum_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED);
+                hrtimer_init(&state->quantum_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);
                 state->quantum_timer.function = on_quantum_boundary;
                 state->topology.id = cpu;
                 state->cur_tick   = 0;
diff --git a/litmus/sched_pres.c b/litmus/sched_pres.c
index dae65e376bd4..82644a18c147 100644
--- a/litmus/sched_pres.c
+++ b/litmus/sched_pres.c
@@ -98,7 +98,7 @@ static void pres_update_timer_and_unlock(struct pres_cpu_state *state)
                         TRACE("setting scheduler timer for %llu\n", update);
                         hrtimer_start(&state->timer,
                                         ns_to_ktime(update),
-                                        HRTIMER_MODE_ABS_PINNED);
+                                        HRTIMER_MODE_ABS_PINNED_HARD);
                         if (update < litmus_clock()) {
                                 /* uh oh, timer expired while trying to set it */
                                 TRACE("timer expired during setting "
@@ -545,7 +545,7 @@ static long pres_activate_plugin(void)
 
                 sup_init(&state->sup_env);
 
-                hrtimer_init(&state->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED);
+                hrtimer_init(&state->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD);
                 state->timer.function = on_scheduling_timer;
         }