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Date: Thu, 24 Sep 2020 11:21:05 +0800 From: Jason Wang <jasowang@...hat.com> To: mst@...hat.com, jasowang@...hat.com Cc: lulu@...hat.com, kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, rob.miller@...adcom.com, lingshan.zhu@...el.com, eperezma@...hat.com, hanand@...inx.com, mhabets@...arflare.com, eli@...lanox.com, amorenoz@...hat.com, maxime.coquelin@...hat.com, stefanha@...hat.com, sgarzare@...hat.com Subject: [RFC PATCH 04/24] virtio-vdpa: don't set callback if virtio doesn't need it There's no need for setting callbacks for the driver that doesn't care about that. Signed-off-by: Jason Wang <jasowang@...hat.com> --- drivers/virtio/virtio_vdpa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c index 4a9ddb44b2a7..af6ee677f319 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -175,7 +175,7 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned int index, } /* Setup virtqueue callback */ - cb.callback = virtio_vdpa_virtqueue_cb; + cb.callback = callback ? virtio_vdpa_virtqueue_cb : NULL; cb.private = info; ops->set_vq_cb(vdpa, index, &cb); ops->set_vq_num(vdpa, index, virtqueue_get_vring_size(vq)); -- 2.20.1
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