sched/headers: Prepare to move _init() prototypes from <linux/sched.h> to <linux/sched/init.h>

But first introduce a trivial header and update usage sites.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

7 files changed, 13 insertions, 0 deletions

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index b2b4f5216180..63bef6fc0f3e 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -29,6 +29,7 @@
 #include <linux/bootmem.h>
 #include <linux/console.h>
 #include <linux/delay.h>
+#include <linux/cpu.h>
 #include <linux/kernel.h>
 #include <linux/reboot.h>
 #include <linux/sched.h>
diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
index 832bb2bb29bd..647dd94a0c39 100644
--- a/arch/m32r/kernel/traps.c
+++ b/arch/m32r/kernel/traps.c
@@ -17,6 +17,7 @@
 #include <linux/sched/debug.h>
 #include <linux/sched/task_stack.h>
 #include <linux/mm.h>
+#include <linux/cpu.h>
 
 #include <asm/page.h>
 #include <asm/processor.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 3de07004c02e..911dc0b49be0 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -19,6 +19,7 @@
 #include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/sched/task.h>
+#include <linux/cpu.h>
 #include <linux/kernel.h>
 #include <linux/memblock.h>
 #include <linux/mm.h>
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 21f9c74496e7..f92081234afd 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -30,6 +30,8 @@ struct cpu {
 
 extern void boot_cpu_init(void);
 extern void boot_cpu_state_init(void);
+extern void cpu_init(void);
+extern void trap_init(void);
 
 extern int register_cpu(struct cpu *cpu, int num);
 extern struct device *get_cpu_device(unsigned cpu);
diff --git a/include/linux/sched/init.h b/include/linux/sched/init.h
new file mode 100644
index 000000000000..15e46313e55e
--- /dev/null
+++ b/include/linux/sched/init.h
@@ -0,0 +1,6 @@
+#ifndef _LINUX_SCHED_INIT_H
+#define _LINUX_SCHED_INIT_H
+
+#include <linux/sched.h>
+
+#endif /* _LINUX_SCHED_INIT_H */
diff --git a/init/main.c b/init/main.c
index ca9f53fb4125..eae2f15657c6 100644
--- a/init/main.c
+++ b/init/main.c
@@ -63,6 +63,7 @@
 #include <linux/device.h>
 #include <linux/kthread.h>
 #include <linux/sched.h>
+#include <linux/sched/init.h>
 #include <linux/signal.h>
 #include <linux/idr.h>
 #include <linux/kgdb.h>
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 76e3af3f39f4..5cbf92214ad8 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -18,6 +18,7 @@
 #include <linux/sched/task.h>
 #include <linux/sched/task_stack.h>
 #include <linux/sched/cputime.h>
+#include <linux/sched/init.h>
 
 #include <linux/u64_stats_sync.h>
 #include <linux/kernel_stat.h>