Messages in this thread | | | From | Eugenio Perez Martin <> | Date | Fri, 23 Dec 2022 11:11:00 +0100 | Subject | Re: [PATCH] vdpa_sim: use weak barriers |
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On Wed, Dec 21, 2022 at 7:21 AM Jason Wang <jasowang@redhat.com> 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@redhat.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Thanks!
> --- > drivers/vdpa/vdpa_sim/vdpa_sim.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > 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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