On Wed, Dec 21, 2022 at 02:21:46PM +0800, Jason Wang wrote:
vDPA simulators are software emulated device, so let's switch to use weak barriers to avoid extra overhead in the driver. Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
I was going to propose the same :-) Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index b071f0d842fb..eeaeaf43b476 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -68,7 +68,7 @@ static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx) struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; vringh_init_iotlb(&vq->vring, vdpasim->dev_attr.supported_features, - VDPASIM_QUEUE_MAX, false, + VDPASIM_QUEUE_MAX, true, (struct vring_desc *)(uintptr_t)vq->desc_addr, (struct vring_avail *) (uintptr_t)vq->driver_addr, -- 2.25.1
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