-#define spin_is_locked(x) (*(volatile signed char *)(&(x)->lock) <= 0)
-#define spin_unlock_wait(x) do { barrier(); } while(spin_is_locked(x))
-#define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock)
-
-#define spin_lock_string \
- "\n1:\t" \
- "lock ; decb %0\n\t" \
- "js 2f\n" \
- LOCK_SECTION_START("") \
- "2:\t" \
- "rep;nop\n\t" \
- "cmpb $0,%0\n\t" \
- "jle 2b\n\t" \
- "jmp 1b\n" \
- LOCK_SECTION_END
-
-/*
- * This works. Despite all the confusion.
- * (except on PPro SMP or if we are using OOSTORE)
- * (PPro errata 66, 92)
- */
-
-#if !defined(CONFIG_X86_OOSTORE) && !defined(CONFIG_X86_PPRO_FENCE)
-
-#define spin_unlock_string \
- "movb $1,%0" \
- :"=m" (lock->lock) : : "memory"
-
-
-static inline void _raw_spin_unlock(spinlock_t *lock)