| /* | |
| * Split spinlock implementation out into its own file, so it can be | |
| * compiled in a FTRACE-compatible way. | |
| */ | |
| #include <linux/spinlock.h> | |
| #include <linux/export.h> | |
| #include <linux/jump_label.h> | |
| #include <asm/paravirt.h> | |
| __visible void __native_queued_spin_unlock(struct qspinlock *lock) | |
| { | |
| native_queued_spin_unlock(lock); | |
| } | |
| PV_CALLEE_SAVE_REGS_THUNK(__native_queued_spin_unlock); | |
| bool pv_is_native_spin_unlock(void) | |
| { | |
| return pv_lock_ops.queued_spin_unlock.func == | |
| __raw_callee_save___native_queued_spin_unlock; | |
| } | |
| struct pv_lock_ops pv_lock_ops = { | |
| #ifdef CONFIG_SMP | |
| .queued_spin_lock_slowpath = native_queued_spin_lock_slowpath, | |
| .queued_spin_unlock = PV_CALLEE_SAVE(__native_queued_spin_unlock), | |
| .wait = paravirt_nop, | |
| .kick = paravirt_nop, | |
| #endif /* SMP */ | |
| }; | |
| EXPORT_SYMBOL(pv_lock_ops); | |
| struct static_key paravirt_ticketlocks_enabled = STATIC_KEY_INIT_FALSE; | |
| EXPORT_SYMBOL(paravirt_ticketlocks_enabled); |