mcs_spinlock.h

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