summaryrefslogtreecommitdiffstats
path: root/arch/arm/kernel/smp.c
diff options
context:
space:
mode:
authorJosh Poimboeuf <jpoimboe@kernel.org>2023-02-16 19:38:55 +0100
committerJosh Poimboeuf <jpoimboe@kernel.org>2023-03-07 00:34:04 +0100
commitb40c7d6d31ac2f6b78371cdc08bc1b6b62f01375 (patch)
treec18b0e4eefbb114af9dafe584336613e615f15e6 /arch/arm/kernel/smp.c
parentalpha/cpu: Make sure arch_cpu_idle_dead() doesn't return (diff)
downloadlinux-b40c7d6d31ac2f6b78371cdc08bc1b6b62f01375.tar.xz
linux-b40c7d6d31ac2f6b78371cdc08bc1b6b62f01375.zip
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@kernel.org>
Diffstat (limited to 'arch/arm/kernel/smp.c')
-rw-r--r--arch/arm/kernel/smp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 0b8c25763adc..441ea5cff390 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 */