2 files changed, 8 insertions, 8 deletions

diff --git a/sys/dev/netmap/netmap.c b/sys/dev/netmap/netmap.c
index 52b5f3286e1d..1b7bf35342f6 100644
--- a/sys/dev/netmap/netmap.c
+++ b/sys/dev/netmap/netmap.c
@@ -1009,7 +1009,7 @@ netmap_rxsync_from_host(struct netmap_adapter *na, struct thread *td, void *pwai
 	(void)pwait;	/* disable unused warnings */
 	(void)td;
 
-	mtx_lock(&q->lock);
+	mtx_lock_spin(&q->lock);
 
 	/* First part: import newly received packets */
 	n = mbq_len(q);
@@ -1051,7 +1051,7 @@ netmap_rxsync_from_host(struct netmap_adapter *na, struct thread *td, void *pwai
 	if (kring->rcur == kring->rtail && td) /* no bufs available */
 		selrecord(td, &kring->si);
 
-	mtx_unlock(&q->lock);
+	mtx_unlock_spin(&q->lock);
 	return ret;
 }
 
@@ -2381,7 +2381,7 @@ netmap_transmit(struct ifnet *ifp, struct mbuf *m)
 	 * not possible on Linux).
 	 * Also avoid overflowing the queue.
 	 */
-	mtx_lock(&q->lock);
+	mtx_lock_spin(&q->lock);
 
         space = kring->nr_hwtail - kring->nr_hwcur;
         if (space < 0)
@@ -2398,7 +2398,7 @@ netmap_transmit(struct ifnet *ifp, struct mbuf *m)
 		m = NULL;
 		error = 0;
 	}
-	mtx_unlock(&q->lock);
+	mtx_unlock_spin(&q->lock);
 
 done:
 	if (m)
diff --git a/sys/dev/netmap/netmap_mbq.c b/sys/dev/netmap/netmap_mbq.c
index 2606b13d48dc..86f0bb79fd2c 100644
--- a/sys/dev/netmap/netmap_mbq.c
+++ b/sys/dev/netmap/netmap_mbq.c
@@ -76,9 +76,9 @@ static inline void __mbq_enqueue(struct mbq *q, struct mbuf *m)
 
 void mbq_safe_enqueue(struct mbq *q, struct mbuf *m)
 {
-    mtx_lock(&q->lock);
+    mtx_lock_spin(&q->lock);
     __mbq_enqueue(q, m);
-    mtx_unlock(&q->lock);
+    mtx_unlock_spin(&q->lock);
 }
 
 
@@ -110,9 +110,9 @@ struct mbuf *mbq_safe_dequeue(struct mbq *q)
 {
     struct mbuf *ret;
 
-    mtx_lock(&q->lock);
+    mtx_lock_spin(&q->lock);
     ret =  __mbq_dequeue(q);
-    mtx_unlock(&q->lock);
+    mtx_unlock_spin(&q->lock);
 
     return ret;
 }