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From: | Avi Kivity |
Subject: | [Qemu-devel] Re: [PATCH] introduce kvm64 CPU |
Date: | Sun, 23 Aug 2009 12:05:13 +0300 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Lightning/1.0pre Thunderbird/3.0b3 |
On 08/22/2009 12:59 AM, Andre Przywara wrote:
Typically users will want more specialized greatest common denomiator cpu types; if a site has standardized on recent hardware they will want the features of that hardware exposed.Sure, but this was not the purpose of this patch. Currently KVM guests see a CPU type which is TCG dependent, so I just wanted to get rid of this. Features of TCG and features of the host processor are totally uncorrelated. This new type should be KVM's default, leaving -cpu host as the alternative for the non-migration case.
That does make sense. Note we can call it '-cpu kvm' since qemu will strip away long mode if it is not supported by the cpu or by the kernel.
-- error compiling committee.c: too many arguments to function
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