[PATCH v2 21/24] sched/idle: Make sure weak version of arch_cpu_idle_dead() doesn't return

Josh Poimboeuf
2023-02-14T07:10:07Z

arch_cpu_idle_dead() should never return. Make it so.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
kernel/sched/idle.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index e9ef66be2870..56e152f06d0f 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -75,7 +75,7 @@ static noinline int __cpuidle cpu_idle_poll(void)
void __weak arch_cpu_idle_prepare(void) { }
void __weak arch_cpu_idle_enter(void) { }
void __weak arch_cpu_idle_exit(void) { }
-void __weak arch_cpu_idle_dead(void) { }
+void __weak arch_cpu_idle_dead(void) { while (1); }
void __weak arch_cpu_idle(void)
{
cpu_idle_force_poll = 1;
--
2.39.1