From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56510) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bEomC-0003Qf-8J for qemu-devel@nongnu.org; Sun, 19 Jun 2016 22:17:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bEomB-0004y3-4V for qemu-devel@nongnu.org; Sun, 19 Jun 2016 22:17:24 -0400 Date: Mon, 20 Jun 2016 12:19:02 +1000 From: David Gibson Message-ID: <20160620021902.GF6858@voom.fritz.box> References: <576392B1.6030204@kaod.org> <5763A258.2010408@redhat.com> <5763D3EF.6060305@kaod.org> <5763D8D1.70701@redhat.com> <3258f4f3-6f5d-bb1f-9cac-2d19cac7ab53@kaod.org> <1466292910.24271.95.camel@kernel.crashing.org> <1ecfdda6-49a9-a737-80fd-a229c5a1fcf1@kaod.org> <1466345334.24271.123.camel@kernel.crashing.org> <3a87a63c-4c9e-354e-e089-dadfd00b4885@kaod.org> <1466370758.24271.125.camel@kernel.crashing.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="CXFpZVxO6m2Ol4tQ" Content-Disposition: inline In-Reply-To: <1466370758.24271.125.camel@kernel.crashing.org> Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Benjamin Herrenschmidt Cc: =?iso-8859-1?Q?C=E9dric?= Le Goater , Thomas Huth , qemu-ppc@nongnu.org, qemu-devel@nongnu.org --CXFpZVxO6m2Ol4tQ Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jun 20, 2016 at 07:12:38AM +1000, Benjamin Herrenschmidt wrote: > On Sun, 2016-06-19 at 19:23 +0200, C=E9dric Le Goater wrote: > > > You can run a 32-bit OS or firmware on ppc64, but it needs to know th= at > > > it's running on a 64-bit chip and do a few things differently. > >=20 > > yes sure but qemu would still allow rfi under 64bit CPUs, that is what= =A0 > > I was concerned about. Is that ok ?=A0 >=20 > Why ? A real CPU won't allow it, why should we ? We shouldn't. However, I'm inclined to in for now, until we have an OpenBIOS fix actually committed. I'd prefer to keep the existing setup sorta-working when the current situation is unlikely to break working code, even though it's definitely wrong. BenH or C=E9dric, if you want to resend the hrfi fix patch with the 64-bit rfi support left in for no, that would be good. --=20 David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson --CXFpZVxO6m2Ol4tQ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJXZ1KWAAoJEGw4ysog2bOSt34P/0pv9UZDBT2yePeKvyami4cL Ivs/PkpjI/FFrIJJHjakjla1rVUHmskCpaAcIqrwi/B4Rg08BcIvp4qxWSkj8EvG Gib3HU4sFY988oIOQW1t2i5Cq9RWqaDA4amfrLSvqRP6I+BsFD8wPDbdHQ0F+bWg EFeG5Gw05aFy+DPZnpzxrdqWQxlIXq4NO1AOs5H97cVCI0ayH6fH0JrDS2DoqRZ6 Rj1iRq2SBOIdCTRsclVmHeDmXP3dooum04qaj2N6K1LkPuOfQ+GunKurHLhdxAX2 W09adLXUZrHOfQtA2xbT1quLO8VMZh2/jB5W/tmUbnRxPQOvI5Msgkl+Jk/cYMeU 5JomOc/1XG/l80mOfOrNjujn2d1HsYpI6fb/xQCh4JGnjgbtm6YkrRd3rZhZbpRN 1Lr7A+tq+Vl6zIWqmjoVscTawLyMQcXOFONOpjnC8qHfcwTZZCWuEO8fnRwt4IhX joIqI/GKKxaX0A/ruxnx33WS3IZTgWW4J0aqTjFrjqFXdB8Yy8rcQUsqzr6s/fNn pf794nUjYH6gccBGB/Ugtlhj2EgxEpIV30naoj1OBHLT3LkH8YLp7y5E4gdalC4m cwj2XLGSMNH0XhU2G1JYB8vt3As42GOgnd8FAsI/h2ugFHj6PakGBpFKH/87sFOU k9wqMB1540tYpff8f6yJ =e0B2 -----END PGP SIGNATURE----- --CXFpZVxO6m2Ol4tQ--