From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=39062 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OHsoO-0008N9-6h for qemu-devel@nongnu.org; Fri, 28 May 2010 02:12:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OHsoM-0007pL-Gt for qemu-devel@nongnu.org; Fri, 28 May 2010 02:12:51 -0400 Received: from fmmailgate03.web.de ([217.72.192.234]:36295) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OHsoM-0007ok-2V for qemu-devel@nongnu.org; Fri, 28 May 2010 02:12:50 -0400 Message-ID: <4BFF5E73.70508@web.de> Date: Fri, 28 May 2010 08:10:59 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <4BFE8F13.2000009@cs.vu.nl> <4BFEBF9E.90600@web.de> <4BFECCC3.2000806@cs.vu.nl> <4BFEF010.50300@web.de> <4BFF510B.9050508@cs.vu.nl> In-Reply-To: <4BFF510B.9050508@cs.vu.nl> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig8A4AE51877275CB0E94AD976" Sender: jan.kiszka@web.de Subject: [Qemu-devel] Re: SVM emulation: EVENTINJ marked valid when a pagefault happens while issuing a software interrupt List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Erik van der Kouwe Cc: Joerg Roedel , qemu-devel@nongnu.org, Gleb Natapov This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig8A4AE51877275CB0E94AD976 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Erik van der Kouwe wrote: > Hi, >=20 >> 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 r= un >> QEMU in emulation mode. In contrast to SVM emulation, nesting is fairl= y >> stable AFAIK. And it is faster. >=20 > In my experience, if I provide the -enable-kvm switch then the guest VM= M > 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 --------------enig8A4AE51877275CB0E94AD976 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iEYEARECAAYFAkv/XncACgkQitSsb3rl5xQmNwCeLVzH2QMVXU4Za0tJcjSBs+8u jIoAn2O/X81TZZBvFIjIr3cEdY1A5GNh =e+dZ -----END PGP SIGNATURE----- --------------enig8A4AE51877275CB0E94AD976--