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[Qemu-devel] Re: SVM emulation: EVENTINJ marked valid when a pagefault h


From: Jan Kiszka
Subject: [Qemu-devel] Re: SVM emulation: EVENTINJ marked valid when a pagefault happens while issuing a software interrupt
Date: Fri, 28 May 2010 08:10:59 +0200
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Erik van der Kouwe wrote:
> Hi,
> 
>> Use Linux+KVM as host OS, it can also run VMMs as guests (aka nested
>> SVM). And you could even debug those guests just like when you would run
>> QEMU in emulation mode. In contrast to SVM emulation, nesting is fairly
>> stable AFAIK. And it is faster.
> 
> In my experience, if I provide the -enable-kvm switch then the guest VMM
> never detects the presence of virtualization support. Does this only
> work on AMD hardware? Or do I need to supply some additional parameter
> to make it work?

Yes, forgot to mention: -enable-nesting, and you need qemu-kvm. This
feature hasn't been merged upstream yet.

Jan

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