spin_lock_irqsave
# undef spin_lock_irqsave
# define spin_lock_irqsave(a, b) { b = 1; }
#define spin_lock_irqsave(lock, flags) \
#define spin_lock_irqsave(lock, flags) \
#define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x)
static inline void spin_lock_irqsave(spinlock_t *lock, unsigned long f)
static void spin_lock_irqsave(spinlock_t *lock, unsigned long f)