linux-kernel - [RFC 2/2] vduse: lift restriction about net devices with CVQ

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Message-ID: <20251007130622.144762-3-eperezma@redhat.com>
Date: Tue,  7 Oct 2025 15:06:22 +0200
From: Eugenio Pérez <eperezma@...hat.com>
To: mst@...hat.com
Cc: Yongji Xie <xieyongji@...edance.com>,
	virtualization@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Eugenio Pérez <eperezma@...hat.com>,
	Maxime Coquelin <mcoqueli@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Dragos Tatulea DE <dtatulea@...dia.com>,
	jasowang@...hat.com
Subject: [RFC 2/2] vduse: lift restriction about net devices with CVQ

Now that the virtio_net driver is able to recover from a stall
virtqueue, let's lift the restriction.

Signed-off-by: Eugenio Pérez <eperezma@...hat.com>
---
 drivers/vdpa/vdpa_user/vduse_dev.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index e7bced0b5542..95d2b898171d 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -1726,9 +1726,6 @@ static bool features_is_valid(struct vduse_dev_config *config)
 	if ((config->device_id == VIRTIO_ID_BLOCK) &&
 			(config->features & BIT_ULL(VIRTIO_BLK_F_CONFIG_WCE)))
 		return false;
-	else if ((config->device_id == VIRTIO_ID_NET) &&
-			(config->features & BIT_ULL(VIRTIO_NET_F_CTRL_VQ)))
-		return false;
 
 	if ((config->device_id == VIRTIO_ID_NET) &&
 			!(config->features & BIT_ULL(VIRTIO_F_VERSION_1)))
-- 
2.51.0