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From: Jamie Lokier <jamie@shareable.org>
To: "Roedel, Joerg" <Joerg.Roedel@amd.com>
Cc: Erik van der Kouwe <vdkouwe@cs.vu.nl>,
	Jan Kiszka <jan.kiszka@web.de>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Gleb Natapov <gleb@redhat.com>
Subject: Re: [Qemu-devel] Re: SVM emulation: EVENTINJ marked valid when a pagefault happens while issuing a software interrupt
Date: Fri, 28 May 2010 14:20:31 +0100	[thread overview]
Message-ID: <20100528132031.GG31920@shareable.org> (raw)
In-Reply-To: <20100528073531.GD3266@amd.com>

Roedel, Joerg wrote:
> On Fri, May 28, 2010 at 02:10:59AM -0400, Jan Kiszka wrote:
> > Erik van der Kouwe wrote:
> 
> > > 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.
> 
> And the svm-emulation is only available on AMD hardware.

I assume you mean nested SVM emulation in a KVM guest is only
available on real AMD hardware?

Is this due to something inherent, or just a limitation of the KVM
code not handling all the necessary traps in kvm-intel?

Thanks,
-- Jamie

  reply	other threads:[~2010-05-28 13:20 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-27 15:26 [Qemu-devel] SVM emulation: EVENTINJ marked valid when a pagefault happens while issuing a software interrupt Erik van der Kouwe
2010-05-27 18:53 ` [Qemu-devel] " Jan Kiszka
2010-05-27 19:49   ` Erik van der Kouwe
2010-05-27 22:20     ` Jan Kiszka
2010-05-28  5:13       ` Erik van der Kouwe
2010-05-28  6:10         ` Jan Kiszka
2010-05-28  7:35           ` Roedel, Joerg
2010-05-28 13:20             ` Jamie Lokier [this message]
2010-05-28 13:30               ` Erik van der Kouwe
2010-05-28 13:44                 ` Roedel, Joerg
2010-05-28 13:52                   ` Erik van der Kouwe
2010-05-28 13:32               ` Roedel, Joerg
2010-05-28  7:33       ` Roedel, Joerg
2010-05-28  7:47         ` Jan Kiszka
2010-05-28  7:24   ` Roedel, Joerg
2010-05-28  7:45     ` Erik van der Kouwe
2010-05-28  9:12       ` Roedel, Joerg

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