1 files changed, 5 insertions, 0 deletions

diff --git a/kernel/cpu.c b/kernel/cpu.c
index cb5103413bd8..b86b32ebb3b2 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1252,6 +1252,11 @@ static struct cpuhp_step cpuhp_ap_states[] = {
                 .startup.single         = smpboot_unpark_threads,
                 .teardown.single        = NULL,
         },
+        [CPUHP_AP_IRQ_AFFINITY_ONLINE] = {
+                .name                   = "irq/affinity:online",
+                .startup.single         = irq_affinity_online_cpu,
+                .teardown.single        = NULL,
+        },
         [CPUHP_AP_PERF_ONLINE] = {
                 .name                   = "perf:online",
                 .startup.single         = perf_event_init_cpu,