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-rw-r--r--arch/s390/kernel/setup.c2
-rw-r--r--include/linux/start_kernel.h4
-rw-r--r--init/main.c4
-rw-r--r--tools/objtool/check.c2
4 files changed, 7 insertions, 5 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 8ec5cdf9dadc7..4259b6c505163 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -396,7 +396,7 @@ int __init arch_early_irq_init(void)
return 0;
}
-void __init arch_call_rest_init(void)
+void __init __noreturn arch_call_rest_init(void)
{
unsigned long stack;
diff --git a/include/linux/start_kernel.h b/include/linux/start_kernel.h
index 8b369a41c03c0..864921e54c928 100644
--- a/include/linux/start_kernel.h
+++ b/include/linux/start_kernel.h
@@ -9,7 +9,7 @@
up something else. */
extern asmlinkage void __init start_kernel(void);
-extern void __init arch_call_rest_init(void);
-extern void __ref rest_init(void);
+extern void __init __noreturn arch_call_rest_init(void);
+extern void __ref __noreturn rest_init(void);
#endif /* _LINUX_START_KERNEL_H */
diff --git a/init/main.c b/init/main.c
index 4425d1783d5c2..161ed956d7383 100644
--- a/init/main.c
+++ b/init/main.c
@@ -683,7 +683,7 @@ static void __init setup_command_line(char *command_line)
static __initdata DECLARE_COMPLETION(kthreadd_done);
-noinline void __ref rest_init(void)
+noinline void __ref __noreturn rest_init(void)
{
struct task_struct *tsk;
int pid;
@@ -889,7 +889,7 @@ static int __init early_randomize_kstack_offset(char *buf)
early_param("randomize_kstack_offset", early_randomize_kstack_offset);
#endif
-void __init __weak arch_call_rest_init(void)
+void __init __weak __noreturn arch_call_rest_init(void)
{
rest_init();
}
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index df634dafefc4e..3d7227f0ea2a3 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -202,6 +202,7 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func,
"__reiserfs_panic",
"__stack_chk_fail",
"__ubsan_handle_builtin_unreachable",
+ "arch_call_rest_init",
"arch_cpu_idle_dead",
"cpu_bringup_and_idle",
"cpu_startup_entry",
@@ -217,6 +218,7 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func,
"machine_real_restart",
"make_task_dead",
"panic",
+ "rest_init",
"rewind_stack_and_make_dead",
"sev_es_terminate",
"snp_abort",