/* * Split spinlock implementation out into its own file, so it can be * compiled in a FTRACE-compatible way. */ #include <linux/spinlock.h> #include <linux/module.h> #include <asm/paravirt.h> static inline void default_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) { arch_spin_lock(lock); } struct pv_lock_ops pv_lock_ops = { #ifdef CONFIG_SMP .spin_is_locked = __ticket_spin_is_locked, .spin_is_contended = __ticket_spin_is_contended, .spin_lock = __ticket_spin_lock, .spin_lock_flags = default_spin_lock_flags, .spin_trylock = __ticket_spin_trylock, .spin_unlock = __ticket_spin_unlock, #endif }; EXPORT_SYMBOL(pv_lock_ops);