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-rw-r--r--arch/s390/include/asm/thread_info.h1
-rw-r--r--arch/s390/kernel/entry.h4
-rw-r--r--arch/s390/kernel/vtime.c2
3 files changed, 7 insertions, 0 deletions
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);