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| From: | Gerd Hoffmann |
| Subject: | Re: [Qemu-devel] Re: [PATCH RFC] virtio: add features qdev property |
| Date: | Mon, 14 Dec 2009 16:01:33 +0100 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20090922 Fedora/3.0-3.9.b4.fc12 Lightning/1.0pre Thunderbird/3.0b4 |
On 12/14/09 14:59, Michael S. Tsirkin wrote:
It's not an easy quesiton. If we do it as disable bits, then we get incompatible machines when running on different hosts.
In case that one host supports feature which the other doesn't and the feature isn't masked out? Well, management failure I'd say. The whole point of the compat machine types (and properties used there) is to make sure the vm's are compatible even in case the hosts run different software versions.
cheers, Gerd
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