···99#ifndef _ASM_SPINLOCK_H1010#define _ASM_SPINLOCK_H11111212-#include <linux/config.h>1312#include <asm/war.h>14131514/*1615 * Your basic SMP spinlocks, allowing only a single CPU anywhere1716 */18171919-#define __raw_spin_is_locked(x) ((x)->lock != 0)1818+#define __raw_spin_is_locked(x) ((x)->lock != 0)2019#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)2120#define __raw_spin_unlock_wait(x) \2222- do { cpu_relax(); } while ((x)->lock)2121+ do { cpu_relax(); } while ((x)->lock)23222423/*2524 * Simple spin lock operations. There are two variants, one clears IRQ's