linux-kernel - Re: [PATCH] vdpa_sim_net: Offer VIRTIO_NET_F

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Message-ID: <20221117162527.yevc65p6q6hpwvmn@sgarzare-redhat>
Date:   Thu, 17 Nov 2022 17:25:27 +0100
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     Eugenio Pérez <eperezma@...hat.com>
Cc:     linux-kernel@...r.kernel.org, mst@...hat.com,
        virtualization@...ts.linux-foundation.org,
        Jason Wang <jasowang@...hat.com>
Subject: Re: [PATCH] vdpa_sim_net: Offer VIRTIO_NET_F_STATUS

On Thu, Nov 17, 2022 at 04:55:02PM +0100, Eugenio Pérez wrote:
>VIRTIO_NET_S_LINK_UP is already returned in config reads since vdpasim
>creation, but the feature bit was not offered to the driver.
>
>Tested modifying VIRTIO_NET_S_LINK_UP and different values of "status"
>in qemu virtio-net options, using vhost_vdpa.
>
>Not considering as a fix, because there should be no driver trusting in
>this config read before the feature flag.
>
>Signed-off-by: Eugenio Pérez <eperezma@...hat.com>
>---
> drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 1 +
> 1 file changed, 1 insertion(+)

Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>