From patchwork Mon Feb 27 11:10:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 13153207 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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 DE28AC7EE2D for ; Mon, 27 Feb 2023 11:11:21 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.502370.774142 (Exim 4.92) (envelope-from ) id 1pWbPS-0005CH-V0; Mon, 27 Feb 2023 11:11:10 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 502370.774142; Mon, 27 Feb 2023 11:11:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pWbPS-0005CA-Qb; Mon, 27 Feb 2023 11:11:10 +0000 Received: by outflank-mailman (input) for mailman id 502370; Mon, 27 Feb 2023 11:11:09 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pWbPR-0004j5-OK for xen-devel@lists.xenproject.org; Mon, 27 Feb 2023 11:11:09 +0000 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 6a0d826a-b68f-11ed-a82a-c9ca1d2f71af; Mon, 27 Feb 2023 12:11:00 +0100 (CET) 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-6-3BnZ8YXjO9i2G0RP3ALa-A-1; Mon, 27 Feb 2023 06:10:55 -0500 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 3AD063848C27; Mon, 27 Feb 2023 11:10:55 +0000 (UTC) Received: from thuth.com (unknown [10.45.227.26]) by smtp.corp.redhat.com (Postfix) with ESMTP id B36A740C6EC4; Mon, 27 Feb 2023 11:10:52 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 6a0d826a-b68f-11ed-a82a-c9ca1d2f71af DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1677496259; 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; bh=HqNrPaN6lC01QUipjdhuAjHY1FZrvMej85mjtvyYQtg=; b=C2VTv2wVMq/cu3Q4HjP0F05LIC9SLwoBqLFgJRKWOCyONeGLbvwlvU+Y3ACS/Sgri93zZo a7JVSgyPg9cze58z3+LSPHx7MC2IEZvv9XPu5P0sU/DTZVLUcLX71F25iRqMSf9SZ86l0b DQ+ZOPnkODcArZ+9B8nvGK5SRHhRsco= X-MC-Unique: 3BnZ8YXjO9i2G0RP3ALa-A-1 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 0/2] Deprecate support for 32-bit x86 and arm hosts Date: Mon, 27 Feb 2023 12:10:48 +0100 Message-Id: <20230227111050.54083-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 We're struggling quite badly with our CI minutes on the shared gitlab runners, so we urgently need to think of ways to cut down our supported build and target environments. qemu-system-i386 and qemu-system-arm are not really required anymore, since nobody uses KVM on the corresponding systems for production anymore, and the -x86_64 and -arch64 variants are a proper superset of those binaries. So it's time to deprecate them and the corresponding 32-bit host environments now. This is a follow-up patch series from the previous discussion here: https://lore.kernel.org/qemu-devel/20230130114428.1297295-1-thuth@redhat.com/ where people still mentioned that there is still interest in certain support for 32-bit host hardware. But as far as I could see, there is no real need for 32-bit host support for system emulation on x86 and arm anymore, so it should be fine if we drop these host environments now (these are also the two architectures that contribute the most to the long test times in our CI, so we would benefit a lot by dropping those). Thomas Huth (2): docs/about: Deprecate 32-bit x86 hosts and qemu-system-i386 docs/about: Deprecate 32-bit arm hosts and qemu-system-arm docs/about/deprecated.rst | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+)