diff mbox series

[RFC,v2,02/10] vdpa: make batch_begin_once early return

Message ID 20231128104303.3314000-3-eperezma@redhat.com (mailing list archive)
State New, archived
Headers show
Series Map memory at destination .load_setup in vDPA-net migration | expand

Commit Message

Eugenio Perez Martin Nov. 28, 2023, 10:42 a.m. UTC 
Prefer early return so it is easier to merge
vhost_vdpa_listener_begin_batch here and make iotlb baches begin and end
symmetrical.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
 hw/virtio/vhost-vdpa.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index cc252fc2d8..bf9771870a 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -160,11 +160,12 @@  static void vhost_vdpa_listener_begin_batch(VhostVDPAShared *s)
 
 static void vhost_vdpa_iotlb_batch_begin_once(VhostVDPAShared *s)
 {
-    if (s->backend_cap & (0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH) &&
-        !s->iotlb_batch_begin_sent) {
-        vhost_vdpa_listener_begin_batch(s);
+    if (!(s->backend_cap & (0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH)) ||
+        s->iotlb_batch_begin_sent) {
+        return;
     }
 
+    vhost_vdpa_listener_begin_batch(s);
     s->iotlb_batch_begin_sent = true;
 }