linux-kernel - [tip:core/locking] spinlock: Add missing __raw_spin_lock

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Date:	Wed, 10 Jun 2009 09:51:32 GMT
From:	tip-bot for Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	benh@...nel.crashing.org, a.p.zijlstra@...llo.nl,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:core/locking] spinlock: Add missing __raw_spin_lock_flags() stub for UP

Commit-ID:  04dce7d9d429ea5ea04e9432d1726c930f4d67da
Gitweb:     http://git.kernel.org/tip/04dce7d9d429ea5ea04e9432d1726c930f4d67da
Author:     Benjamin Herrenschmidt <benh@...nel.crashing.org>
AuthorDate: Wed, 10 Jun 2009 16:59:46 +1000
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Wed, 10 Jun 2009 11:48:14 +0200

spinlock: Add missing __raw_spin_lock_flags() stub for UP

This was only defined with CONFIG_DEBUG_SPINLOCK set, but some
obscure arch/powerpc code wants it always.

Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 include/linux/spinlock_up.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h
index 938234c..d4841ed 100644
--- a/include/linux/spinlock_up.h
+++ b/include/linux/spinlock_up.h
@@ -60,6 +60,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
 #define __raw_spin_is_locked(lock)	((void)(lock), 0)
 /* for sched.c and kernel_lock.c: */
 # define __raw_spin_lock(lock)		do { (void)(lock); } while (0)
+# define __raw_spin_lock_flags(lock, flags)	do { (void)(lock); } while (0)
 # define __raw_spin_unlock(lock)	do { (void)(lock); } while (0)
 # define __raw_spin_trylock(lock)	({ (void)(lock); 1; })
 #endif /* DEBUG_SPINLOCK */
--
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