linux-kernel - Re: [V2 PATCH] virtio-net: init link state correctly

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Date:	Fri, 12 Nov 2010 12:25:53 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jasowang@...hat.com
Cc:	rusty@...tcorp.com.au, markmc@...hat.com,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org, mst@...hat.com
Subject: Re: [V2 PATCH] virtio-net: init link state correctly

From: Jason Wang <jasowang@...hat.com>
Date: Fri, 05 Nov 2010 10:50:08 +0800

> 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.
> 
> Signed-off-by: Jason Wang <jasowang@...hat.com>

I've applied Rusty's submission of this patch which has Michael T.'s
ACK, etc.
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