2 * Split spinlock implementation out into its own file, so it can be
3 * compiled in a FTRACE-compatible way.
5 #include <linux/spinlock.h>
6 #include <linux/module.h>
8 #include <asm/paravirt.h>
10 struct pv_lock_ops pv_lock_ops = {
12 .spin_is_locked = __ticket_spin_is_locked,
13 .spin_is_contended = __ticket_spin_is_contended,
15 .spin_lock = __ticket_spin_lock,
16 .spin_trylock = __ticket_spin_trylock,
17 .spin_unlock = __ticket_spin_unlock,
20 EXPORT_SYMBOL_GPL(pv_lock_ops);
22 void __init paravirt_use_bytelocks(void)
25 pv_lock_ops.spin_is_locked = __byte_spin_is_locked;
26 pv_lock_ops.spin_is_contended = __byte_spin_is_contended;
27 pv_lock_ops.spin_lock = __byte_spin_lock;
28 pv_lock_ops.spin_trylock = __byte_spin_trylock;
29 pv_lock_ops.spin_unlock = __byte_spin_unlock;