linux-kernel - Re: [PATCH v3 0/2] Properly initialize speed/duplex and remove vDPA config updates

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Message-ID: <4f6db868-d1e8-42b5-92ad-ae22331f5bd1@digitalocean.com>
Date: Wed, 11 Sep 2024 11:55:44 -0500
From: Carlos Bilbao <cbilbao@...italocean.com>
To: Jason Wang <jasowang@...hat.com>, "Michael S. Tsirkin" <mst@...hat.com>
Cc: Carlos Bilbao <carlos.bilbao.osdev@...il.com>, dtatulea@...dia.com,
 shannon.nelson@....com, sashal@...nel.org, alvaro.karsz@...id-run.com,
 christophe.jaillet@...adoo.fr, steven.sistare@...cle.com, bilbao@...edu,
 xuanzhuo@...ux.alibaba.com, johnah.palmer@...cle.com, eperezma@...hat.com,
 cratiu@...dia.com, virtualization@...ts.linux.dev,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/2] Properly initialize speed/duplex and remove vDPA
 config updates

Hello,

On 9/10/24 10:42 PM, Jason Wang wrote:
> On Tue, Sep 10, 2024 at 2:29 PM Michael S. Tsirkin <mst@...hat.com> wrote:
>> On Wed, Sep 04, 2024 at 10:11:13AM -0500, Carlos Bilbao wrote:
>>> From: Carlos Bilbao <cbilbao@...italocean.com>
>>>
>>> Initialize speed and duplex for virtio_net_config to UNKNOWN (mlx5_vdpa
>>> vDPA devices currently do not support VIRTIO_NET_F_SPEED_DUPLEX). Remove
>>> ioctl VHOST_VDPA_SET_CONFIG and its related logic as it is not supported;
>>> see: https://docs.oasis-open.org/virtio/virtio/v1.3/virtio-v1.3.html
>>>
>>> Carlos:
>>>   vdpa/mlx5: Set speed and duplex of vDPA devices to UNKNOWN
>>>   vdpa: Remove ioctl VHOST_VDPA_SET_CONFIG per spec compliance
>> This will need a rebase. Will apply once you post one.
>> Thanks!
> Note that I think patch 2 is probably not right as we indeed allow
> config write for some device.

I'll rebase patch 1 and drop patch 2.

>
> Thanks
>

Thanks, Carlos