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spinlock: Add missing __raw_spin_lock_flags() stub for UP

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

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Benjamin Herrenschmidt 2009-06-10 16:59:46 +10:00 committed by Ingo Molnar
parent a511e3f968
commit 04dce7d9d4
1 changed files with 1 additions and 0 deletions
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include/linux/spinlock_up.h
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@ -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 */