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s390/oprofile: fix compile error

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Fix these errors when compiling with CONFIG_OPROFILE=y and
CONFIG_PERF_EVENTS=n:
arch/s390/oprofile/init.c: In function ‘oprofile_hwsampler_start’:
arch/s390/oprofile/init.c:93:2: error: implicit declaration of function 'perf_reserve_sampling' [-Werror=implicit-function-declaration]
  retval = perf_reserve_sampling();
  ^
arch/s390/oprofile/init.c:99:3: error: implicit declaration of function 'perf_release_sampling' [-Werror=implicit-function-declaration]
   perf_release_sampling();
   ^

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott
2015-06-25 14:52:13 +02:00
committed by Martin Schwidefsky
parent a313bdc531
commit a215c8fbde
2 changed files with 9 additions and 0 deletions
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arch/s390/oprofile/init.c
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@@ -16,6 +16,7 @@
#include <linux/fs.h>
#include <linux/module.h>
#include <asm/processor.h>
#include <asm/perf_event.h>
#include "../../../drivers/oprofile/oprof.h"