netdev - Re: [PATCH net-next] hyperv: Add handler for RNDIS_STATUS_NETWORK

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Message-ID: <20140620045704.GA4850@aepfle.de>
Date:	Fri, 20 Jun 2014 06:57:04 +0200
From:	Olaf Hering <olaf@...fle.de>
To:	Haiyang Zhang <haiyangz@...rosoft.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, kys@...rosoft.com,
	jasowang@...hat.com, linux-kernel@...r.kernel.org,
	driverdev-devel@...uxdriverproject.org
Subject: Re: [PATCH net-next] hyperv: Add handler for
 RNDIS_STATUS_NETWORK_CHANGE event

On Thu, Jun 19, Haiyang Zhang wrote:

> The RNDIS_STATUS_NETWORK_CHANGE event is received after the Hyper-V host
> sleep or hibernation. We refresh network at this time.

> +	char *argv[] = { "/etc/init.d/network", "restart", NULL };

What happens if that file does not exist? Dead network in the guest?
I tend to think if a VM with PV drivers goes to sleep it has to go
through the whole suspend/resume cycle, very much like the "LID closed"
event. So I think this and the other fbdev change that is floating
around is wrong.

Olaf
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