1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_SPINLOCK_TYPES_H 3 #define _ASM_X86_SPINLOCK_TYPES_H 4 5 #include <linux/types.h> 6 7 #ifdef CONFIG_PARAVIRT_SPINLOCKS 8 #define __TICKET_LOCK_INC 2 9 #define TICKET_SLOWPATH_FLAG ((__ticket_t)1) 10 #else 11 #define __TICKET_LOCK_INC 1 12 #define TICKET_SLOWPATH_FLAG ((__ticket_t)0) 13 #endif 14 15 #if (CONFIG_NR_CPUS < (256 / __TICKET_LOCK_INC)) 16 typedef u8 __ticket_t; 17 typedef u16 __ticketpair_t; 18 #else 19 typedef u16 __ticket_t; 20 typedef u32 __ticketpair_t; 21 #endif 22 23 #define TICKET_LOCK_INC ((__ticket_t)__TICKET_LOCK_INC) 24 25 #define TICKET_SHIFT (sizeof(__ticket_t) * 8) 26 27 #include <asm-generic/qspinlock_types.h> 28 29 #include <asm-generic/qrwlock_types.h> 30 31 #endif /* _ASM_X86_SPINLOCK_TYPES_H */ 32