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#ifndef _ASM_X86_SPINLOCK_TYPES_H
#define _ASM_X86_SPINLOCK_TYPES_H
#ifndef __LINUX_SPINLOCK_TYPES_H
# error "please don't include this file directly"
#endif
#include <linux/types.h>
#if (CONFIG_NR_CPUS < 256)
typedef u8 __ticket_t;
#else
typedef u16 __ticket_t;
#endif
#define TICKET_SHIFT (sizeof(__ticket_t) * 8)
#define TICKET_MASK ((__ticket_t)((1 << TICKET_SHIFT) - 1))
typedef struct arch_spinlock {
union {
unsigned int slock;
struct __raw_tickets {
__ticket_t head, tail;
} tickets;
};
} arch_spinlock_t;
#define __ARCH_SPIN_LOCK_UNLOCKED { { .slock = 0 } }
#include <asm/rwlock.h>
#endif /* _ASM_X86_SPINLOCK_TYPES_H */
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