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| author |   Josh Poimboeuf <jpoimboe@kernel.org> | 2023-04-12 16:49:34 -0700 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2023-04-14 17:31:24 +0200 |
| commit | 5ab6876c7843db5fe8bef691c5fdb92518b12070 (patch) | |
| tree | 466d69339fcefa0e3ce2d858d70d589d3b94e231 /arch/arm64/kernel/smp.c | |
| parent | x86/head: Mark *_start_kernel() __noreturn (diff) | |
| download | wireguard-linux-5ab6876c7843db5fe8bef691c5fdb92518b12070.tar.xz wireguard-linux-5ab6876c7843db5fe8bef691c5fdb92518b12070.zip | |
arm64/cpu: Mark cpu_park_loop() and friends __noreturn
In preparation for marking panic_smp_self_stop() __noreturn across the
kernel, first mark the arm64 implementation of cpu_park_loop() and
related functions __noreturn.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/55787d3193ea3e295ccbb097abfab0a10ae49d45.1681342859.git.jpoimboe@kernel.org
Diffstat (limited to 'arch/arm64/kernel/smp.c')
| -rw-r--r-- | arch/arm64/kernel/smp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index d5d09a18b4f8..07d156fddb5f 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -398,7 +398,7 @@ static void __cpu_try_die(int cpu) * Kill the calling secondary CPU, early in bringup before it is turned * online. */ -void cpu_die_early(void) +void __noreturn cpu_die_early(void) { int cpu = smp_processor_id(); @@ -816,7 +816,7 @@ void arch_irq_work_raise(void) } #endif -static void local_cpu_stop(void) +static void __noreturn local_cpu_stop(void) { set_cpu_online(smp_processor_id(), false); @@ -839,7 +839,7 @@ void panic_smp_self_stop(void) static atomic_t waiting_for_crash_ipi = ATOMIC_INIT(0); #endif -static void ipi_cpu_crash_stop(unsigned int cpu, struct pt_regs *regs) +static void __noreturn ipi_cpu_crash_stop(unsigned int cpu, struct pt_regs *regs) { #ifdef CONFIG_KEXEC_CORE crash_save_cpu(regs, cpu); @@ -854,6 +854,8 @@ static void ipi_cpu_crash_stop(unsigned int cpu, struct pt_regs *regs) /* just in case */ cpu_park_loop(); +#else + BUG(); #endif } |