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| From: | Paolo Bonzini |
| Subject: | [Qemu-devel] Re: cpuid problem in upstream qemu with kvm |
| Date: | Mon, 21 Dec 2009 14:25:01 +0100 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-4.fc12 Lightning/1.0pre Thunderbird/3.0 |
On 12/21/2009 08:48 AM, Gleb Natapov wrote:
> Well, I wouldn't be too sure on that one. Software may use SSE3 instructions to access MMIO in which case we do have to emulate it.Unfortunately this is already a reality. Look here: http://groups.google.com/group/linux.kernel/browse_thread/thread/ada9fa2d2574a8af
Emulating 16-byte moves is a tad simpler than emulating the whole of SSE3 though. :-)
Paolo
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