Fix build failure.

1 files changed, 3 insertions, 1 deletions

diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index 5353ffbc7194..51264e6b120e 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -205,6 +205,8 @@ exit_idle:
  */
 static void cpu_idle_loop(void)
 {
+	int cpu = smp_processor_id();
+
 	while (1) {
 		bool pending = false;
 
@@ -228,7 +230,7 @@ static void cpu_idle_loop(void)
 			check_pgt_cache();
 			rmb();
 
-			if (cpu_is_offline(smp_processor_id())) {
+			if (cpu_is_offline(cpu)) {
 				cpuhp_report_idle_dead();
 				arch_cpu_idle_dead();
 			}