From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joanna Rutkowska Subject: Re: feature suggestion: DMAR table emulation for Xen Date: Fri, 14 May 2010 12:16:36 +0200 Message-ID: <4BED2304.2080105@invisiblethingslab.com> References: <4BEC0928.8090604@invisiblethingslab.com> <987664A83D2D224EAE907B061CE93D53C60548F1@orsmsx505.amr.corp.intel.com> <4BED1672.6000903@invisiblethingslab.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0204337824==" Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Barde Kaushik 00901718 Cc: "Han, Weidong" , "Cihula, Joseph" , "Kay, Allen M" , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --===============0204337824== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigAAFE84FE71A1434742821D18" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigAAFE84FE71A1434742821D18 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 05/14/2010 11:41 AM, Barde Kaushik 00901718 wrote: > << So, if we took a DMAR from a platform, say PM45+ICH9M w/ Intel > BIOS, it should also work fine on any other laptop with this chipset > (and probably other variants too), just minus the potential=20 > BIOS-specific-dirty-tricks...? >>>=20 >=20 > Bringing-up mobile variants with same base BIOS may not work, at > least in my experience, as OEMs tend to add various custom features > (GPIO). These features may to over-ride RMRR assumptions from base > BIOS. This tends to be the most prominant cause behind RMRR issues. >=20 And what would happen if we ignore RMRRs on such a system? j. --------------enigAAFE84FE71A1434742821D18 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iEYEARECAAYFAkvtIwQACgkQORdkotfEW84eWgCgwv2qCc+0JWNkSecIOPe2nulU LI8An0z6k0PNo71Rzgos/M5fuYWdkRir =NmUQ -----END PGP SIGNATURE----- --------------enigAAFE84FE71A1434742821D18-- --===============0204337824== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel --===============0204337824==--