[PATCH v3 08/20] xen/sysctl: wrap around XEN_SYSCTL_lockprof_op

[Penny Zheng <Penny.Zheng@xxxxxxx>]

The following function is only to serve spinlock profiling via
XEN_SYSCTL_lockprof_op, so it shall be wrapped:
- spinlock_profile_control

Signed-off-by: Penny Zheng <Penny.Zheng@xxxxxxx>
Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
v2 -> v3:
- add the blank line
---
 xen/common/spinlock.c | 2 ++
 xen/common/sysctl.c   | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/xen/common/spinlock.c b/xen/common/spinlock.c
index 38caa10a2e..0389293b09 100644
--- a/xen/common/spinlock.c
+++ b/xen/common/spinlock.c
@@ -690,6 +690,7 @@ void cf_check spinlock_profile_reset(unsigned char key)
     spinlock_profile_iterate(spinlock_profile_reset_elem, NULL);
 }
 
+#ifdef CONFIG_SYSCTL
 typedef struct {
     struct xen_sysctl_lockprof_op *pc;
     int                      rc;
@@ -749,6 +750,7 @@ int spinlock_profile_control(struct xen_sysctl_lockprof_op 
*pc)
 
     return rc;
 }
+#endif /* CONFIG_SYSCTL */
 
 void _lock_profile_register_struct(
     int32_t type, struct lock_profile_qhead *qhead, int32_t idx)
diff --git a/xen/common/sysctl.c b/xen/common/sysctl.c
index 608e159571..2fe76362b1 100644
--- a/xen/common/sysctl.c
+++ b/xen/common/sysctl.c
@@ -123,13 +123,14 @@ long do_sysctl(XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) 
u_sysctl)
         ret = perfc_control(&op->u.perfc_op);
         break;
 #endif
-#endif /* CONFIG_SYSCTL */
 
 #ifdef CONFIG_DEBUG_LOCK_PROFILE
     case XEN_SYSCTL_lockprof_op:
         ret = spinlock_profile_control(&op->u.lockprof_op);
         break;
 #endif
+#endif /* CONFIG_SYSCTL */
+
     case XEN_SYSCTL_debug_keys:
     {
         char c;
-- 
2.34.1