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 | |