[PATCH 21/22] sched/idle: Make sure weak version of arch_cpu_idle_dead() doesn't return
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: 2023-02-03 22:08:59
Also in:
linux-alpha, linux-arm-kernel, linux-mips, linux-sh, lkml, loongarch, sparclinux
Subsystem:
scheduler, the rest · Maintainers:
Ingo Molnar, Peter Zijlstra, Juri Lelli, Vincent Guittot, Linus Torvalds
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;
--
2.39.0