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/export.h>
7 #include <linux/jump_label.h>
9 #include <asm/paravirt.h>
11 __visible
void __native_queued_spin_unlock(struct qspinlock
*lock
)
13 native_queued_spin_unlock(lock
);
15 PV_CALLEE_SAVE_REGS_THUNK(__native_queued_spin_unlock
);
17 bool pv_is_native_spin_unlock(void)
19 return pv_lock_ops
.queued_spin_unlock
.func
==
20 __raw_callee_save___native_queued_spin_unlock
;
23 __visible
bool __native_vcpu_is_preempted(long cpu
)
27 PV_CALLEE_SAVE_REGS_THUNK(__native_vcpu_is_preempted
);
29 bool pv_is_native_vcpu_is_preempted(void)
31 return pv_lock_ops
.vcpu_is_preempted
.func
==
32 __raw_callee_save___native_vcpu_is_preempted
;
35 struct pv_lock_ops pv_lock_ops
= {
37 .queued_spin_lock_slowpath
= native_queued_spin_lock_slowpath
,
38 .queued_spin_unlock
= PV_CALLEE_SAVE(__native_queued_spin_unlock
),
41 .vcpu_is_preempted
= PV_CALLEE_SAVE(__native_vcpu_is_preempted
),
44 EXPORT_SYMBOL(pv_lock_ops
);