linux-kernel - [tip:sched/urgent] sched/s390: Fix compile error in sched/core.c

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Date:	Thu, 26 Jan 2012 12:26:21 -0800
From:	tip-bot for Christian Borntraeger <borntraeger@...ibm.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de, borntraeger@...ibm.com,
	mingo@...e.hu
Subject: [tip:sched/urgent] sched/s390: Fix compile error in sched/core.c

Commit-ID:  db7e527da41560f597ccdc4417cefa6b7657c0c0
Gitweb:     http://git.kernel.org/tip/db7e527da41560f597ccdc4417cefa6b7657c0c0
Author:     Christian Borntraeger <borntraeger@...ibm.com>
AuthorDate: Wed, 11 Jan 2012 08:58:16 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 26 Jan 2012 19:38:11 +0100

sched/s390: Fix compile error in sched/core.c

Commit 029632fbb7b7c9d85063cc9eb470de6c54873df3 ("sched: Make
separate sched*.c translation units") removed the include of
asm/mutex.h from sched.c.

This breaks the combination of:

 CONFIG_MUTEX_SPIN_ON_OWNER=yes
 CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX=yes

like s390 without mutex debugging:

  CC      kernel/sched/core.o
  kernel/sched/core.c: In function ‘mutex_spin_on_owner’:
  kernel/sched/core.c:3287: error: implicit declaration of function ‘arch_mutex_cpu_relax’

Lets re-add the include to kernel/sched/core.c

Signed-off-by: Christian Borntraeger <borntraeger@...ibm.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1326268696-30904-1-git-send-email-borntraeger@de.ibm.com
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/sched/core.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index e067df1..5255c9d 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -74,6 +74,7 @@
 
 #include <asm/tlb.h>
 #include <asm/irq_regs.h>
+#include <asm/mutex.h>
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>
 #endif
--
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