+static inline void _raw_spin_lock_flags (spinlock_t *lock, unsigned long flags)
+{
+#ifdef CONFIG_DEBUG_SPINLOCK
+ if (unlikely(lock->magic != SPINLOCK_MAGIC)) {
+ printk("eip: %p\n", __builtin_return_address(0));
+ BUG();
+ }
+#endif
+ __asm__ __volatile__(
+ spin_lock_string_flags
+ :"=m" (lock->lock) : "r" (flags) : "memory");
+}