The following commit has been merged into the objtool/core branch of tip:
Commit-ID: 9bdc61ef27db5eaac48f1cc5deb8224603e79c89
Gitweb: https://git.kernel.org/tip/9bdc61ef27db5eaac48f1cc5deb8224603e79c89
Author: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
AuthorDate: Thu, 16 Feb 2023 10:42:01 -08:00
Committer: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
CommitterDate: Mon, 06 Mar 2023 15:34:04 -08:00
arm64/cpu: Mark cpu_die() __noreturn
cpu_die() doesn't return. Annotate it as such. By extension this also
makes arch_cpu_idle_dead() noreturn.
Acked-by: Mark Rutland <mark.rutland@xxxxxxx>
Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/20230216184157.4hup6y6mmspr2kll@treble
Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
---
arch/arm64/include/asm/smp.h | 2 +-
arch/arm64/kernel/smp.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
index fc55f5a..5733a31 100644
--- a/arch/arm64/include/asm/smp.h
+++ b/arch/arm64/include/asm/smp.h
@@ -100,7 +100,7 @@ static inline void arch_send_wakeup_ipi_mask(const struct cpumask *mask)
extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
-extern void cpu_die(void);
+extern void __noreturn cpu_die(void);
extern void cpu_die_early(void);
static inline void cpu_park_loop(void)
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 4e83272..d5d09a1 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -361,7 +361,7 @@ void __cpu_die(unsigned int cpu)
* Called from the idle thread for the CPU which has been shutdown.
*
*/
-void cpu_die(void)
+void __noreturn cpu_die(void)
{
unsigned int cpu = smp_processor_id();
const struct cpu_operations *ops = get_cpu_ops(cpu);
|