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, 1 insertions, 1 deletions

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;