Index: sys/kstat.h
===================================================================
RCS file: /cvs/src/sys/sys/kstat.h,v
retrieving revision 1.3
diff -u -p -r1.3 kstat.h
--- sys/kstat.h	22 Apr 2022 00:27:55 -0000	1.3
+++ sys/kstat.h	25 Oct 2022 21:13:46 -0000
@@ -172,6 +173,7 @@ void		 kstat_set_rlock(struct kstat *, s
 void		 kstat_set_wlock(struct kstat *, struct rwlock *);
 void		 kstat_set_mutex(struct kstat *, struct mutex *);
 void		 kstat_set_cpu(struct kstat *, struct cpu_info *);
+void		 kstat_set_nolock(struct kstat *);
 
 int		 kstat_read_nop(struct kstat *);
 
Index: dev/kstat.c
===================================================================
RCS file: /cvs/src/sys/dev/kstat.c,v
retrieving revision 1.2
diff -u -p -r1.2 kstat.c
--- dev/kstat.c	31 Jan 2022 05:09:17 -0000	1.2
+++ dev/kstat.c	25 Oct 2022 21:13:46 -0000
@@ -135,6 +135,14 @@ const struct kstat_lock_ops kstat_cpu_op
 	kstat_cpu_leave,
 };
 
+void kstat_nolock_enter(void *);
+void kstat_nolock_leave(void *);
+
+const struct kstat_lock_ops kstat_nolock_ops = {
+	(void (*)(void *))kstat_nolock_enter,
+	(void (*)(void *))kstat_nolock_leave,
+};
+
 struct rwlock		kstat_lock = RWLOCK_INITIALIZER("kstat");
 
 /*
@@ -603,6 +611,27 @@ kstat_set_cpu(struct kstat *ks, struct c
 
 	ks->ks_lock = ci;
 	ks->ks_lock_ops = &kstat_cpu_ops;
+}
+
+void
+kstat_nolock_enter(void *p)
+{
+	/* nop */
+}
+
+void
+kstat_nolock_leave(void *p)
+{
+	/* nop */
+}
+
+void
+kstat_set_nolock(struct kstat *ks)
+{
+	KASSERT(ks->ks_state == KSTAT_S_CREATED);
+
+	ks->ks_lock = NULL;
+	ks->ks_lock_ops = &kstat_nolock_ops;
 }
 
 int