1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
#ifndef __ASM_MCS_SPINLOCK_H
#define __ASM_MCS_SPINLOCK_H
struct mcs_spinlock {
struct mcs_spinlock *next;
int locked; /* 1 if lock acquired */
int count; /* nesting count, see qspinlock.c */
};
/*
* Architectures can define their own:
*
* arch_mcs_spin_lock_contended(l)
* arch_mcs_spin_unlock_contended(l)
*
* See kernel/locking/mcs_spinlock.c.
*/
#endif /* __ASM_MCS_SPINLOCK_H */