[PATCH 04/22] arm64/cpu: Mark cpu_die() __noreturn
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- To: linux-kernel@xxxxxxxxxxxxxxx
- Subject: [PATCH 04/22] arm64/cpu: Mark cpu_die() __noreturn
- From: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
- Date: Fri, 3 Feb 2023 14:05:13 -0800
- Cc: jgross@xxxxxxxx, richard.henderson@xxxxxxxxxx, ink@xxxxxxxxxxxxxxxxxxxx, mattst88@xxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, catalin.marinas@xxxxxxx, will@xxxxxxxxxx, guoren@xxxxxxxxxx, linux-csky@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, chenhuacai@xxxxxxxxxx, kernel@xxxxxxxxxx, loongarch@xxxxxxxxxxxxxxx, f.fainelli@xxxxxxxxx, bcm-kernel-feedback-list@xxxxxxxxxxxx, tsbogend@xxxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, jiaxun.yang@xxxxxxxxxxx, mpe@xxxxxxxxxxxxxx, npiggin@xxxxxxxxx, christophe.leroy@xxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, ysato@xxxxxxxxxxxxx, dalias@xxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, bp@xxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, hpa@xxxxxxxxx, chris@xxxxxxxxxx, jcmvbkbc@xxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, peterz@xxxxxxxxxxxxx, juri.lelli@xxxxxxxxxx, vincent.guittot@xxxxxxxxxx, dietmar.eggemann@xxxxxxx, rostedt@xxxxxxxxxxx, bsegall@xxxxxxxxxx, mgorman@xxxxxxx, bristot@xxxxxxxxxx, vschneid@xxxxxxxxxx, paulmck@xxxxxxxxxx
- In-reply-to: <cover.1675461757.git.jpoimboe@kernel.org>
- References: <cover.1675461757.git.jpoimboe@kernel.org>
cpu_die() doesn't return. Annotate it as such. By extension this also
makes arch_cpu_idle_dead() noreturn.
Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
---
arch/arm64/include/asm/smp.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
index fc55f5a57a06..5733a31bab08 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)
--
2.39.0
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