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s390: add missing declarations

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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>
This commit is contained in:
Heiko Carstens 2016-05-07 12:15:21 +02:00 committed by Martin Schwidefsky
parent f70a34c576
commit 521b00cd7a
3 changed files with 7 additions and 0 deletions
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1
arch/s390/include/asm/thread_info.h
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@ -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

4
arch/s390/kernel/entry.h
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@ -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 */

2
arch/s390/kernel/vtime.c
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@ -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);