linux-kernel - Re: [RESEND PATCH] virtio-net: init link state correctly

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Message-Id: <201011080941.28190.rusty@rustcorp.com.au>
Date:	Mon, 8 Nov 2010 09:41:27 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Jason Wang <jasowang@...hat.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	davem@...emloft.net, markmc@...hat.com, kvm@...r.kernel.org,
	mst@...hat.com
Subject: Re: [RESEND PATCH] virtio-net: init link state correctly

On Fri, 5 Nov 2010 08:17:18 pm Jason Wang wrote:
> For device that supports VIRTIO_NET_F_STATUS, there's no need to
> assume the link is up and we need to call nerif_carrier_off() before
> querying device status, otherwise we may get wrong operstate after
> diver was loaded because the link watch event was not fired as
> expected.
> 
> For device that does not support VIRITO_NET_F_STATUS, we could not get
> its status through virtnet_update_status() and what we can only do is
> always assuming the link is up.
> 
> Acked-by: Michael S. Tsirkin <mst@...hat.com>
> Signed-off-by: Jason Wang <jasowang@...hat.com>

Acked-by: Rusty Russell <rusty@...tcorp.com.au>

Thanks!
Rusty.
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