From 521b00cd7a6491fbec7d1ede5b6b33f106a6addc Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Sat, 7 May 2016 12:15:21 +0200
Subject: s390: add missing declarations

arch_dup_task_struct and the per cpu variable mt_cycles are globally
visible, but do not have any header file with a declaration.
Therefore add it so we have proper type checking in place.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/include/asm/thread_info.h | 1 +
 arch/s390/kernel/entry.h            | 4 ++++
 arch/s390/kernel/vtime.c            | 2 ++
 3 files changed, 7 insertions(+)

(limited to 'arch')

diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 2fffc2c27581..f15c0398c363 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -62,6 +62,7 @@ static inline struct thread_info *current_thread_info(void)
 }
 
 void arch_release_task_struct(struct task_struct *tsk);
+int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
 
 #define THREAD_SIZE_ORDER THREAD_ORDER
 
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index b7019ab74070..bedd2f55d860 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -1,6 +1,7 @@
 #ifndef _ENTRY_H
 #define _ENTRY_H
 
+#include <linux/percpu.h>
 #include <linux/types.h>
 #include <linux/signal.h>
 #include <asm/ptrace.h>
@@ -75,4 +76,7 @@ long sys_s390_personality(unsigned int personality);
 long sys_s390_runtime_instr(int command, int signum);
 long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t);
 long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t);
+
+DECLARE_PER_CPU(u64, mt_cycles[8]);
+
 #endif /* _ENTRY_H */
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index dafc44f519c3..856e30d8463f 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -18,6 +18,8 @@
 #include <asm/cpu_mf.h>
 #include <asm/smp.h>
 
+#include "entry.h"
+
 static void virt_timer_expire(void);
 
 static LIST_HEAD(virt_timer_list);
-- 
cgit