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.

1 files changed, 2 insertions, 2 deletions

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;
         }