From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cristi Magherusan Subject: Re: [PATCH] Update qemu-kvm to allow a larger BIOS image. Date: Wed, 22 Jul 2009 22:04:33 +0300 Message-ID: <1248289473.12578.5.camel@hyperion> References: <1247703135-27408-1-git-send-email-jordan.l.justen@intel.com> <200907161108.05736.sheng@linux.intel.com> <2a50f7880907152157q3fddb30w5fdca450408e2eae@mail.gmail.com> <200907161337.27383.sheng@linux.intel.com> <2a50f7880907161057u58802061xc472e9b8c9ec4f1a@mail.gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-KvYKx9VQ7AYZwJocMV0f" Cc: Sheng Yang , kvm@vger.kernel.org, Jordan Justen , Marcelo Tosatti To: Jordan Justen Return-path: Received: from bavaria.utcluj.ro ([193.226.5.35]:55399 "EHLO bavaria.utcluj.ro" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750957AbZGVTEl (ORCPT ); Wed, 22 Jul 2009 15:04:41 -0400 In-Reply-To: <2a50f7880907161057u58802061xc472e9b8c9ec4f1a@mail.gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: --=-KvYKx9VQ7AYZwJocMV0f Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2009-07-16 at 10:57 -0700, Jordan Justen wrote: > On Wed, Jul 15, 2009 at 10:37 PM, Sheng Yang wrote= : > > Make sense to me. So what's mattered here is not bios, but qemu-kvm and= kvm > > code. The user can replace bios binary by UEFI binary easily, but not w= ith kvm > > related part. > > > > I realized you still need separate the qemu-kvm patch into two: one for= bios > > and another for qemu. >=20 > Okay, I will split this change apart. >=20 > > And I just hope this modification won't break some old > > OS(any OS got assumption about bios size? I think Tiano team should hav= e idea > > on it)... >=20 > I don't think the OS should care about the bios size, but it is > important to update the INT15-E820 memory ranges to help > make sure the OS knows which regions are in use. >=20 > Even without the E820 change, I think it would be unlikely > for an OS to try utilize these memory regions, but it is > definitely better to properly describe it. Hello, I don't know if I get this right, but is it enough to apply this patch to KVM-userspace, or do I also need to have a patched kernel in order to get large images (my image is 4MB) to work in KVM?=20 Thanks, Cristi --=20 Ing. Cristi M=C4=83gheru=C8=99an, System/Network Engineer Technical University of Cluj-Napoca, Romania http://cc.utcluj.ro +40264 401247 --=-KvYKx9VQ7AYZwJocMV0f Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAkpnYrwACgkQfwrBISYVZFUo+QCdF1hgQP2Ra+fEStMZimFrwHie kKIAn2PZ4hmQGXPta22a4qa+5/6BNCT0 =G6dA -----END PGP SIGNATURE----- --=-KvYKx9VQ7AYZwJocMV0f--