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Date: Mon, 14 Dec 2009 21:17:42 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] Re: [PATCH RFC] virtio: add features qdev property
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To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org

On Mon, Dec 14, 2009 at 06:18:29PM +0100, Gerd Hoffmann wrote:
> On 12/14/09 17:23, Michael S. Tsirkin wrote:
>> On Mon, Dec 14, 2009 at 04:01:33PM +0100, Gerd Hoffmann wrote:
>> So how do you do this?
>> Assume we have -disable_hw_csum.
>> We want new machine type to have it off, right?
>> But now you run qemu on host which does
>> not support hw_csum. With your suggestion
>> it will not enable hw csum?
>
> I have trouble getting the setup you are talking about ...
>
> Sounds like hw_csum could be enabled/disabled depending on the hardware  
> capabilities on the host.  Is that correct?
>
> cheers,
>   Gerd

This currently depends on version of tun driver in the host.

-- 
MST