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Date:   Thu, 11 Aug 2022 04:11:22 -0400
From:   "Michael S. Tsirkin" <>
To:     Xuan Zhuo <>
        Jason Wang <>,
        "David S. Miller" <>,
        Eric Dumazet <>,
        Jakub Kicinski <>,
        Paolo Abeni <>,
Subject: Re: [PATCH vhost 0/2] virtio_net: fix for stuck when change ring
 size with dev down

On Thu, Aug 11, 2022 at 04:02:56PM +0800, Xuan Zhuo wrote:
> When dev is set to DOWN state, napi has been disabled, if we modify the
> ring size at this time, we should not call napi_disable() again, which
> will cause stuck.
> And all operations are under the protection of rtnl_lock, so there is no
> need to consider concurrency issues.
> PS.
> Hi Michael, I don't know which way is more convenient for you, so I split the
> commit into two commits, so you can fixup to my previous commit:
>     virtio_net: support tx queue resize
> 	virtio_net: support rx queue resize
> Xuan Zhuo (2):
>   virtio_net: fix for stuck when change rx ring size with dev down
>   virtio_net: fix for stuck when change tx ring size with dev down
>  drivers/net/virtio_net.c | 14 ++++++++++----
>  1 file changed, 10 insertions(+), 4 deletions(-)

Which patches does this fix?
Maybe I should squash.

> --
> 2.31.0

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