From patchwork Mon Feb 27 11:10:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 1748623 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Odrd57fu; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PQHrW0zyrz1yX0 for ; Mon, 27 Feb 2023 22:11:55 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pWbPO-0001S9-05; Mon, 27 Feb 2023 06:11:06 -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 1pWbPM-0001RV-DE for qemu-devel@nongnu.org; Mon, 27 Feb 2023 06:11:04 -0500 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 1pWbPK-0000nq-O7 for qemu-devel@nongnu.org; Mon, 27 Feb 2023 06:11:04 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1677496261; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wU7XSs59OHmkrBANt2Ig03ayelNixYK5a46ZpJhqPYA=; b=Odrd57fuhDhIUT+pE6rvXYS1iiIxWCo/up6d7W1Loz5Ox3uQhcHZ0cgReVd0G5t0RAK3+u PpyzGZvVV2sod3ps344yQOUg1A2n3MTcEZbLguZxy40OI+0CB+MoAC1JjLZgMOjVNPVLCa 6GDWT5753fMd+UZaGYdIhz+mLcpjzkg= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-482-gGMehePCNs6EjNRatlKlsA-1; Mon, 27 Feb 2023 06:10:58 -0500 X-MC-Unique: gGMehePCNs6EjNRatlKlsA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E28DB3C10682; Mon, 27 Feb 2023 11:10:57 +0000 (UTC) Received: from thuth.com (unknown [10.45.227.26]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7FFFB40C6EC4; Mon, 27 Feb 2023 11:10:55 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org, Peter Maydell , Daniel Berrange , Paolo Bonzini Cc: Markus Armbruster , =?utf-8?q?Alex_Benn=C3=A9e?= , qemu-arm@nongnu.org, Maxim Levitsky , libvir-list@redhat.com, Richard Henderson , xen-devel@lists.xenproject.org, Reinoud Zandijk , "Michael S . Tsirkin" , Marcel Apfelbaum Subject: [PATCH 1/2] docs/about: Deprecate 32-bit x86 hosts and qemu-system-i386 Date: Mon, 27 Feb 2023 12:10:49 +0100 Message-Id: <20230227111050.54083-2-thuth@redhat.com> In-Reply-To: <20230227111050.54083-1-thuth@redhat.com> References: <20230227111050.54083-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@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_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Hardly anybody still uses 32-bit x86 hosts today, so we should start deprecating them to finally have less test efforts. With regards to 32-bit KVM support in the x86 Linux kernel, the developers confirmed that they do not need a recent qemu-system-i386 binary here: https://lore.kernel.org/kvm/Y%2ffkTs5ajFy0hP1U@google.com/ Signed-off-by: Thomas Huth --- docs/about/deprecated.rst | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 15084f7bea..98517f5187 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -196,6 +196,19 @@ CI coverage support may bitrot away before the deprecation process completes. The little endian variants of MIPS (both 32 and 64 bit) are still a supported host architecture. +32-bit x86 hosts and ``qemu-system-i386`` (since 8.0) +''''''''''''''''''''''''''''''''''''''''''''''''''''' + +Testing 32-bit x86 host OS support takes a lot of precious time during the +QEMU contiguous integration tests, and considering that most OS vendors +stopped shipping 32-bit variants of their x86 OS distributions and most +x86 hardware from the past >10 years is capable of 64-bit, keeping the +32-bit support alive is an inadequate burden for the QEMU project. Thus +QEMU will soon drop the support for 32-bit x86 host systems and the +``qemu-system-i386`` binary. Use ``qemu-system-x86_64`` (which is a proper +superset of ``qemu-system-i386``) on a 64-bit host machine instead. + + QEMU API (QAPI) events ----------------------