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 AE3A3FEA83A for ; Wed, 25 Mar 2026 09:19:06 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w5KNo-0003XE-2h; Wed, 25 Mar 2026 05:18:36 -0400 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 1w5KNi-0003Wk-4l for qemu-devel@nongnu.org; Wed, 25 Mar 2026 05:18:31 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w5KNe-0004El-AO for qemu-devel@nongnu.org; Wed, 25 Mar 2026 05:18:29 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1774430304; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references; bh=q7odQe46fSul21qNLzBEjCx3OlL08F4B8HH7byekOM4=; b=V7SCXpXfdmqIPpUkTVnfFcs489EKUrTO6n0mmyDkEmjBMKm9IWqTwFAM3zlWMcMlFgJTUs WmjQ6z9r6I3S74S/gMvDqzRhOcqAgdsjKzlvgK1xLq1bzH6wPgbYuBBMavkLTjGMYtHavb mhs3GxP2Lif3gm3vVK5ufnlbENUkuxw= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-460-8EFFFxqSOVO2Km7Zhivi6Q-1; Wed, 25 Mar 2026 05:18:21 -0400 X-MC-Unique: 8EFFFxqSOVO2Km7Zhivi6Q-1 X-Mimecast-MFC-AGG-ID: 8EFFFxqSOVO2Km7Zhivi6Q_1774430300 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D61541800763; Wed, 25 Mar 2026 09:18:19 +0000 (UTC) Received: from redhat.com (unknown [10.44.34.14]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C2A141800107; Wed, 25 Mar 2026 09:18:16 +0000 (UTC) Date: Wed, 25 Mar 2026 09:18:13 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Michael Tokarev Cc: QEMU Development , Richard Henderson , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Pierrick Bouvier Subject: Re: QEMU requires a 64-bit CPU host architecture? Message-ID: References: <2c0d6ae0-eb06-4eed-87fe-0954ae59d951@tls.msk.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.2.14 (2025-02-20) X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Wed, Mar 25, 2026 at 11:08:41AM +0300, Michael Tokarev wrote: > On 20.03.2026 09:45, Michael Tokarev wrote: > > Hi! > > > > Is it intentional that qemu does not build utilities on 32bit hosts > > anymore? > > This is > > commit 372ec46b9f1215f48a4717f2b7ed969f65bfadc6 > Author: Richard Henderson > Date: Thu Dec 18 09:56:27 2025 +1100 > > meson: Reject 32-bit hosts > > 32-bit hosts have been deprecated since 10.0. > > How would one build qemu-img and especially qemu-guest-agent, say, > on i386 or armhf? > > I tried removing this error message from meson.build (in $subject), > but it fails to build even the qga due to errors in atomic.h, - > even if these aren't used by qga. > > That smells like a bad decision, - to drop qga and qemu-img support > on 32bit architectures. Especially qga. IMHO dropping the block related tools is reasonable, as if you keep that, the dependencies that need to remain 32-bit compatible ripple out across a very large part of the codebase. Not having qga though feels like a pretty undesirable consequence, given our message overall is that we were dropping host support but keeping 32-bit emulation. IMHO, the qga probably ought to be a separate project, but it has a core dependancy on the QAPI code generator, and some of the related shared C code (qobject/, qapi/ and some parts of util/), but even that is quite a tangled web of deps. With regards, Daniel -- |: https://berrange.com ~~ https://hachyderm.io/@berrange :| |: https://libvirt.org ~~ https://entangle-photo.org :| |: https://pixelfed.art/berrange ~~ https://fstop138.berrange.com :|