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 8F0B7C678D4 for ; Fri, 3 Mar 2023 11:10:19 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pY3IN-0002YS-So; Fri, 03 Mar 2023 06:09:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pY3IL-0002Uf-Rv; Fri, 03 Mar 2023 06:09:49 -0500 Received: from outpost1.zedat.fu-berlin.de ([130.133.4.66]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pY3IJ-0008Dn-G7; Fri, 03 Mar 2023 06:09:49 -0500 Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69]) by outpost.zedat.fu-berlin.de (Exim 4.95) with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from ) id 1pY3Hv-003tSJ-6g; Fri, 03 Mar 2023 12:09:23 +0100 Received: from p57bd9bc2.dip0.t-ipconnect.de ([87.189.155.194] helo=[192.168.178.81]) by inpost2.zedat.fu-berlin.de (Exim 4.95) with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from ) id 1pY3Hu-0022n3-VM; Fri, 03 Mar 2023 12:09:23 +0100 Message-ID: <89fd1c916b6c8094ea1a7a52396b3f91025c75c1.camel@physik.fu-berlin.de> Subject: Re: [PATCH v2 0/6] Deprecate support for 32-bit x86 and arm hosts From: John Paul Adrian Glaubitz To: Thomas Huth , Philippe =?ISO-8859-1?Q?Mathieu-Daud=E9?= , qemu-devel@nongnu.org, Peter Maydell , Daniel Berrange , Paolo Bonzini Cc: Markus Armbruster , Alex =?ISO-8859-1?Q?Benn=E9e?= , qemu-arm@nongnu.org, Maxim Levitsky , libvir-list@redhat.com, Richard Henderson , xen-devel@lists.xenproject.org, Reinoud Zandijk , Michael Tokarev , Helge Deller Date: Fri, 03 Mar 2023 12:09:21 +0100 In-Reply-To: <6c1f0d05-924e-854e-0175-5e345945e086@redhat.com> References: <20230302163106.465559-1-thuth@redhat.com> <4bed38c3-ab4f-cd32-05a4-afa090ad8b9a@linaro.org> <6c1f0d05-924e-854e-0175-5e345945e086@redhat.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.46.4 MIME-Version: 1.0 X-Original-Sender: glaubitz@physik.fu-berlin.de X-Originating-IP: 87.189.155.194 X-ZEDAT-Hint: PO Received-SPF: pass client-ip=130.133.4.66; envelope-from=glaubitz@zedat.fu-berlin.de; helo=outpost1.zedat.fu-berlin.de X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hello! On Fri, 2023-03-03 at 10:48 +0100, Thomas Huth wrote: > x86 =3D=3D> deprecate both, user and system emulation support on > 32-bit hosts > arm =3D=3D> deprecate only system emulation on 32-bit hosts. I would recommend against dropping support for 32-bit hosts for qemu-user as there are some cases where the emulation of 32-bit user code on 64-bit hosts does not work properly [1]. Adrian > [1] https://sourceware.org/bugzilla/show_bug.cgi?id=3D23960 --=20 .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913