+1 -1

arch/alpha/kernel/process.c

reviewed

··· 60 60 wtint(0); 61 61 } 62 62 63 63 - void arch_cpu_idle_dead(void) 63 63 + void __noreturn arch_cpu_idle_dead(void) 64 64 { 65 65 wtint(INT_MAX); 66 66 BUG();

+1 -1

arch/arm/kernel/smp.c

reviewed

··· 320 320 * of the other hotplug-cpu capable cores, so presumably coming 321 321 * out of idle fixes this. 322 322 */ 323 323 - void arch_cpu_idle_dead(void) 323 323 + void __noreturn arch_cpu_idle_dead(void) 324 324 { 325 325 unsigned int cpu = smp_processor_id(); 326 326

+1 -1

arch/arm64/kernel/process.c

reviewed

··· 69 69 EXPORT_SYMBOL_GPL(pm_power_off); 70 70 71 71 #ifdef CONFIG_HOTPLUG_CPU 72 72 - void arch_cpu_idle_dead(void) 72 72 + void __noreturn arch_cpu_idle_dead(void) 73 73 { 74 74 cpu_die(); 75 75 }

+1 -1

arch/csky/kernel/smp.c

reviewed

··· 300 300 pr_notice("CPU%u: shutdown\n", cpu); 301 301 } 302 302 303 303 - void arch_cpu_idle_dead(void) 303 303 + void __noreturn arch_cpu_idle_dead(void) 304 304 { 305 305 idle_task_exit(); 306 306

+1 -1

arch/ia64/kernel/process.c

reviewed

··· 225 225 } 226 226 #endif /* CONFIG_HOTPLUG_CPU */ 227 227 228 228 - void arch_cpu_idle_dead(void) 228 228 + void __noreturn arch_cpu_idle_dead(void) 229 229 { 230 230 play_dead(); 231 231 }

+1 -1

arch/loongarch/kernel/process.c

reviewed

··· 62 62 EXPORT_SYMBOL(boot_option_idle_override); 63 63 64 64 #ifdef CONFIG_HOTPLUG_CPU 65 65 - void arch_cpu_idle_dead(void) 65 65 + void __noreturn arch_cpu_idle_dead(void) 66 66 { 67 67 play_dead(); 68 68 }

+1 -1

arch/mips/kernel/process.c

reviewed

··· 40 40 #include <asm/stacktrace.h> 41 41 42 42 #ifdef CONFIG_HOTPLUG_CPU 43 43 - void arch_cpu_idle_dead(void) 43 43 + void __noreturn arch_cpu_idle_dead(void) 44 44 { 45 45 play_dead(); 46 46 }

+1 -1

arch/parisc/kernel/process.c

reviewed

··· 159 159 /* 160 160 * Called from the idle thread for the CPU which has been shutdown. 161 161 */ 162 162 - void arch_cpu_idle_dead(void) 162 162 + void __noreturn arch_cpu_idle_dead(void) 163 163 { 164 164 #ifdef CONFIG_HOTPLUG_CPU 165 165 idle_task_exit();

+1 -1

arch/powerpc/kernel/smp.c

reviewed

··· 1752 1752 smp_ops->cpu_die(cpu); 1753 1753 } 1754 1754 1755 1755 - void arch_cpu_idle_dead(void) 1755 1755 + void __noreturn arch_cpu_idle_dead(void) 1756 1756 { 1757 1757 /* 1758 1758 * Disable on the down path. This will be re-enabled by

+1 -1

arch/riscv/kernel/cpu-hotplug.c

reviewed

··· 71 71 /* 72 72 * Called from the idle thread for the CPU which has been shutdown. 73 73 */ 74 74 - void arch_cpu_idle_dead(void) 74 74 + void __noreturn arch_cpu_idle_dead(void) 75 75 { 76 76 idle_task_exit(); 77 77

+1 -1

arch/s390/kernel/idle.c

reviewed

··· 88 88 { 89 89 } 90 90 91 91 - void arch_cpu_idle_dead(void) 91 91 + void __noreturn arch_cpu_idle_dead(void) 92 92 { 93 93 cpu_die(); 94 94 }

+1 -1

arch/sh/kernel/idle.c

reviewed

··· 30 30 clear_bl_bit(); 31 31 } 32 32 33 33 - void arch_cpu_idle_dead(void) 33 33 + void __noreturn arch_cpu_idle_dead(void) 34 34 { 35 35 play_dead(); 36 36 }

+1 -1

arch/sparc/kernel/process_64.c

reviewed

··· 95 95 } 96 96 97 97 #ifdef CONFIG_HOTPLUG_CPU 98 98 - void arch_cpu_idle_dead(void) 98 98 + void __noreturn arch_cpu_idle_dead(void) 99 99 { 100 100 sched_preempt_enable_no_resched(); 101 101 cpu_play_dead();

+1 -1

arch/x86/kernel/process.c

reviewed

··· 727 727 local_touch_nmi(); 728 728 } 729 729 730 730 - void arch_cpu_idle_dead(void) 730 730 + void __noreturn arch_cpu_idle_dead(void) 731 731 { 732 732 play_dead(); 733 733 }

+1 -1

arch/xtensa/kernel/smp.c

reviewed

··· 322 322 pr_err("CPU%u: unable to kill\n", cpu); 323 323 } 324 324 325 325 - void arch_cpu_idle_dead(void) 325 325 + void __noreturn arch_cpu_idle_dead(void) 326 326 { 327 327 cpu_die(); 328 328 }

+1 -1

include/linux/cpu.h

reviewed

··· 182 182 void arch_cpu_idle_prepare(void); 183 183 void arch_cpu_idle_enter(void); 184 184 void arch_cpu_idle_exit(void); 185 185 - void arch_cpu_idle_dead(void); 185 185 + void __noreturn arch_cpu_idle_dead(void); 186 186 187 187 int cpu_report_state(int cpu); 188 188 int cpu_check_up_prepare(int cpu);

+1 -1

kernel/sched/idle.c

reviewed

··· 75 75 void __weak arch_cpu_idle_prepare(void) { } 76 76 void __weak arch_cpu_idle_enter(void) { } 77 77 void __weak arch_cpu_idle_exit(void) { } 78 78 - void __weak arch_cpu_idle_dead(void) { while (1); } 78 78 + void __weak __noreturn arch_cpu_idle_dead(void) { while (1); } 79 79 void __weak arch_cpu_idle(void) 80 80 { 81 81 cpu_idle_force_poll = 1;

+1

tools/objtool/check.c

reviewed

··· 202 202 "__reiserfs_panic", 203 203 "__stack_chk_fail", 204 204 "__ubsan_handle_builtin_unreachable", 205 205 + "arch_cpu_idle_dead", 205 206 "cpu_bringup_and_idle", 206 207 "cpu_startup_entry", 207 208 "do_exit",