Thread (1 message) 1 message, 1 author, 2021-07-20

Re: [PATCH] vdpa/vdpa_sim: Use the negotiated features when calling vringh_init_iotlb

From: Jason Wang <hidden>
Date: 2021-07-20 03:15:33
Also in: lkml

在 2021/7/19 下午9:44, Eli Cohen 写道:
When calling vringh_init_iotlb(), use the negotiated features which
might be different than the supported features.

Fixes: 011c35bac5ef ("vdpa_sim: add supported_features field in vdpasim_dev_attr)

As Stefano said.

It should be 2c53d0f64c06f ("vdpasim: vDPA device simulator")

Other than this

Acked-by: Jason Wang <redacted>

quoted hunk
Signed-off-by: Eli Cohen <redacted>
---
  drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 14e024de5cbf..89a474c7a096 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -66,7 +66,7 @@ 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,
+	vringh_init_iotlb(&vq->vring, vdpasim->features,
  			  VDPASIM_QUEUE_MAX, false,
  			  (struct vring_desc *)(uintptr_t)vq->desc_addr,
  			  (struct vring_avail *)
@@ -86,7 +86,7 @@ static void vdpasim_vq_reset(struct vdpasim *vdpasim,
  	vq->device_addr = 0;
  	vq->cb = NULL;
  	vq->private = NULL;
-	vringh_init_iotlb(&vq->vring, vdpasim->dev_attr.supported_features,
+	vringh_init_iotlb(&vq->vring, vdpasim->features,
  			  VDPASIM_QUEUE_MAX, false, NULL, NULL, NULL);
  
  	vq->vring.notify = NULL;
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