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arm64/cpu: Mark cpu_die() __noreturn

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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@arm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lkml.kernel.org/r/20230216184157.4hup6y6mmspr2kll@treble
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
This commit is contained in:
Josh Poimboeuf 2023-02-16 10:42:01 -08:00
parent b40c7d6d31
commit 9bdc61ef27
2 changed files with 2 additions and 2 deletions
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2
arch/arm64/include/asm/smp.h
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@ -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)

2
arch/arm64/kernel/smp.c
View File

@ -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);