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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] cpuid problem in upstream qemu with kvm |
Date: | Sun, 20 Dec 2009 08:48:35 -0600 |
User-agent: | Thunderbird 2.0.0.23 (X11/20090825) |
Avi Kivity wrote:
Maybe we should make -cpu host the default. That will give the best performance for casual users, more testing for newer features, and will force management apps to treat migration much more seriously. The downside is that casual users upgrading their machines might experience issues with Windows. Feature compatibility is not just about migration.
Yes, I'd much rather do this than mucking with vendor_id. If we're going to give up on cross vendor migration by default, I think we should go for best performance.
Regards, Anthony Liguori
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