1 #ifndef _ASM_X86_SPINLOCK_TYPES_H 2 #define _ASM_X86_SPINLOCK_TYPES_H 3 4 #include <linux/types.h> 5 6 #ifdef CONFIG_PARAVIRT_SPINLOCKS 7 #define __TICKET_LOCK_INC 2 8 #define TICKET_SLOWPATH_FLAG ((__ticket_t)1) 9 #else 10 #define __TICKET_LOCK_INC 1 11 #define TICKET_SLOWPATH_FLAG ((__ticket_t)0) 12 #endif 13 14 #if (CONFIG_NR_CPUS < (256 / __TICKET_LOCK_INC)) 15 typedef u8 __ticket_t; 16 typedef u16 __ticketpair_t; 17 #else 18 typedef u16 __ticket_t; 19 typedef u32 __ticketpair_t; 20 #endif 21 22 #define TICKET_LOCK_INC ((__ticket_t)__TICKET_LOCK_INC) 23 24 #define TICKET_SHIFT (sizeof(__ticket_t) * 8) 25 26 #include <asm-generic/qspinlock_types.h> 27 28 #include <asm-generic/qrwlock_types.h> 29 30 #endif /* _ASM_X86_SPINLOCK_TYPES_H */ 31