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s390/spinlock: use atomic primitives for spinlocks
[mirror_ubuntu-artful-kernel.git] / arch / s390 / include / asm / spinlock_types.h
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1#ifndef __ASM_SPINLOCK_TYPES_H
2#define __ASM_SPINLOCK_TYPES_H
3
4#ifndef __LINUX_SPINLOCK_TYPES_H
5# error "please don't include this file directly"
6#endif
7
8typedef struct {
02c503ff 9 int lock;
445c8951 10} __attribute__ ((aligned (4))) arch_spinlock_t;
fb1c8f93 11
5b3f683e 12#define __ARCH_SPIN_LOCK_UNLOCKED { .lock = 0, }
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13
14typedef struct {
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15 int lock;
16 int owner;
fb3a6bbc 17} arch_rwlock_t;
fb1c8f93 18
fb3a6bbc 19#define __ARCH_RW_LOCK_UNLOCKED { 0 }
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20
21#endif