From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F2B2CC433EF for ; Fri, 7 Jan 2022 12:56:39 +0000 (UTC) Received: from localhost ([::1]:57874 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n5onO-0004VY-9f for qemu-devel@archiver.kernel.org; Fri, 07 Jan 2022 07:56:38 -0500 Received: from eggs.gnu.org ([209.51.188.92]:36170) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n5oaR-0007Xu-H8; Fri, 07 Jan 2022 07:43:16 -0500 Received: from gandalf.ozlabs.org ([150.107.74.76]:35657) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n5oaJ-0006iV-Lw; Fri, 07 Jan 2022 07:43:15 -0500 Received: by gandalf.ozlabs.org (Postfix, from userid 1007) id 4JVjYZ1WQ5z4xsl; Fri, 7 Jan 2022 23:42:58 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gibson.dropbear.id.au; s=201602; t=1641559378; bh=LCL0bMUMv+sRe7PPfMCxCqr1fPz4xGWuZAmLJxbi7k8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=foCZvJsNuRCCD/MdlO5J6tWoFcVV5GhH4PRK/Wt1YfjOe31ehpHxdG9OPyzsUbarV L4bKeKWnctiJ3HoaHgrrxh/r/PA1931pdNvAPaLT+TquKfpy3fC/wIfKJFKS+dzukU MbLDkLDm+81sgYexPJQKKph3rJnBfeIhPS7nKF8U= Date: Fri, 7 Jan 2022 23:19:03 +1100 From: David Gibson To: Greg Kurz Subject: Re: [PATCH qemu] spapr: Force 32bit when resetting a core Message-ID: References: <20220107072423.2278113-1-aik@ozlabs.ru> <20220107125747.7ddfd3a0@bahia> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="oB/IwnUxNJgkZ4nW" Content-Disposition: inline In-Reply-To: <20220107125747.7ddfd3a0@bahia> Received-SPF: pass client-ip=150.107.74.76; envelope-from=dgibson@gandalf.ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Kardashevskiy , Daniel Henrique Barboza , qemu-ppc@nongnu.org, qemu-devel@nongnu.org, =?iso-8859-1?Q?C=E9dric?= Le Goater Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --oB/IwnUxNJgkZ4nW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 07, 2022 at 12:57:47PM +0100, Greg Kurz wrote: > On Fri, 7 Jan 2022 18:24:23 +1100 > Alexey Kardashevskiy wrote: >=20 > > "PowerPC Processor binding to IEEE 1275" says in > > "8.2.1. Initial Register Values" that the initial state is defined as > > 32bit so do it for both SLOF and VOF. > >=20 > > This should not cause behavioral change as SLOF switches to 64bit very > > early anyway.=20 >=20 > Only one CPU goes through SLOF. What about the other ones, including > hot plugged CPUs ? Those will be started by the start-cpu RTAS call which has its own semantics. --=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 --oB/IwnUxNJgkZ4nW Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEdfRlhq5hpmzETofcbDjKyiDZs5IFAmHYL7UACgkQbDjKyiDZ s5KjwhAAtkCKnBCpltEHsdrGxCM7akwmuEpcZTO9yvKFMb3oIWkbAvxFVwR3LVpe /99oCNccc3ZubrxpoHaHZ3ebLi0C/rCN/F0PYbX+4JxDtDgkIqpDA0C2lj2LIi92 CiyU1QhzG+3l33dZuvr/HibLj5NhnJnwBGCULxc7g35ZdrH3BwHBg1f6QNasdo3y tAdHsqnT7+nuo8n6JB3Oryx7Hg35oqmXvYAIFVETFF9gy00G+cPAGwJ35RkgIVA9 ONOH2wxQM5MeyBdvtv/mQc5WRFo4xWhgkGkkxWNKIl/nxlE0OA5KDk5KBr9sImrU 7zT5/6bMQYkTEXHlFv+juxUm/10BTOhCl0Zm1kR4WefDL83hjhQbn4FvZ/DFRNFl r+AGKqJMTeAATd+BTNEJXsfDSSRKc7v4eT/FPKgY6SHAdlhIdvm1whvsL1MkNDH6 a9Qw0IFsV+R6XNJvzDLC5fIVPFihG60fKAbMXo5XtuBmNV5app1ImKXvkV0tdDEM bClk1G23AAvtYIQ0GinUmwloqtZguqD2C7psQk2jzCwuO3JFOdR5hmCfZv6Ya2++ Uu7Rsl8athEsRmqm6h1blRCoTSiy40ylqlzKTgiHVY/7r45nBULarCD/QqOD/KM1 5QvtUR9OdRHho97diIP3enH//PsD2Sl095Faydr/+NfvLCOcQwk= =pWi3 -----END PGP SIGNATURE----- --oB/IwnUxNJgkZ4nW--