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 <[email protected]>
---
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 <[email protected]>
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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