The following commit has been merged into the objtool/core branch of tip: Commit-ID: b40c7d6d31ac2f6b78371cdc08bc1b6b62f01375 Gitweb: https://git.kernel.org/tip/b40c7d6d31ac2f6b78371cdc08bc1b6b62f01375 Author: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> AuthorDate: Thu, 16 Feb 2023 10:38:55 -08:00 Committer: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> CommitterDate: Mon, 06 Mar 2023 15:34:04 -08:00 arm/cpu: Add unreachable() to arch_cpu_idle_dead() arch_cpu_idle_dead() doesn't return. Make that visible to the compiler with an unreachable() code annotation. Link: https://lkml.kernel.org/r/20230216183851.s5bnvniomq44rytu@treble Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> --- arch/arm/kernel/smp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 0b8c257..441ea5c 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -382,6 +382,8 @@ void arch_cpu_idle_dead(void) : "r" (task_stack_page(current) + THREAD_SIZE - 8), "r" (current) : "r0"); + + unreachable(); } #endif /* CONFIG_HOTPLUG_CPU */
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