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s390/vdso: add missing prototypes for vdso functions

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clang W=1 warns about missing prototypes:

>> arch/s390/kernel/vdso64/getcpu.c:8:5: warning: no previous prototype for function '__s390_vdso_getcpu' [-Wmissing-prototypes]
   int __s390_vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused)
       ^

Add a local header file in order to get rid of this warnings.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2020-11-24 14:02:35 +01:00
parent 10e5921747
commit 1ab3001b6e
3 changed files with 16 additions and 0 deletions
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1
arch/s390/kernel/vdso64/getcpu.c
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@ -4,6 +4,7 @@
#include <linux/compiler.h>
#include <linux/getcpu.h>
#include <asm/timex.h>
#include "vdso.h"
int __s390_vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused)
{

14
arch/s390/kernel/vdso64/vdso.h Normal file
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@ -0,0 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_S390_KERNEL_VDSO64_VDSO_H
#define __ARCH_S390_KERNEL_VDSO64_VDSO_H
#include <vdso/datapage.h>
struct getcpu_cache;
int __s390_vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused);
int __s390_vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
int __s390_vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
int __s390_vdso_clock_getres(clockid_t clock, struct __kernel_timespec *ts);
#endif /* __ARCH_S390_KERNEL_VDSO64_VDSO_H */

1
arch/s390/kernel/vdso64/vdso64_generic.c
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@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include "../../../../lib/vdso/gettimeofday.c"
#include "vdso.h"
int __s390_vdso_gettimeofday(struct __kernel_old_timeval *tv,
struct timezone *tz)