]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - tools/include/linux/spinlock.h
powerpc/livepatch: Implement reliable stack tracing for the consistency model
[mirror_ubuntu-bionic-kernel.git] / tools / include / linux / spinlock.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_SPINLOCK_H_
3 #define __LINUX_SPINLOCK_H_
4
5 #include <pthread.h>
6 #include <stdbool.h>
7
8 #define spinlock_t pthread_mutex_t
9 #define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER;
10
11 #define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x)
12 #define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x)
13
14 #define arch_spinlock_t pthread_mutex_t
15 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
16
17 static inline void arch_spin_lock(arch_spinlock_t *mutex)
18 {
19 pthread_mutex_lock(mutex);
20 }
21
22 static inline void arch_spin_unlock(arch_spinlock_t *mutex)
23 {
24 pthread_mutex_unlock(mutex);
25 }
26
27 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
28 {
29 return true;
30 }
31
32 #endif