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s390: Fix a header dependencies related build error
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Commit 877c685
("perf: Remove include of cgroup.h from perf_event.h") caused
this build failure if PERF_EVENTS is enabled:

   In file included from arch/s390/include/asm/perf_event.h:9:0,
                    from include/linux/perf_event.h:24,
                    from kernel/events/ring_buffer.c:12:
   arch/s390/include/asm/cpu_mf.h: In function 'qctri':
   arch/s390/include/asm/cpu_mf.h:61:12: error: 'EINVAL' undeclared (first use in this function)

cpu_mf.h had an implicit errno.h dependency, which was added
indirectly via cgroups.h but not anymore. Add it explicitly.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Tested-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Link: http://lkml.kernel.org/r/51385F79.7000106@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Li Zefan authored and Ingo Molnar committed Mar 11, 2013
1 parent 1abccd7 commit cb16b91
Showing 1 changed file with 1 addition and 0 deletions.
1 change: 1 addition & 0 deletions arch/s390/include/asm/cpu_mf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
#ifndef _ASM_S390_CPU_MF_H
#define _ASM_S390_CPU_MF_H

#include <linux/errno.h>
#include <asm/facility.h>

#define CPU_MF_INT_SF_IAE (1 << 31) /* invalid entry address */
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