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 X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E106C433ED for ; Mon, 3 May 2021 05:00:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 36D11613AE for ; Mon, 3 May 2021 05:00:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 36D11613AE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:55058 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ldQgv-0008Aq-CX for qemu-devel@archiver.kernel.org; Mon, 03 May 2021 01:00:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54550) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldQfZ-0007Bc-2m for qemu-devel@nongnu.org; Mon, 03 May 2021 00:58:57 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:51209) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldQfT-0002Tf-Dw for qemu-devel@nongnu.org; Mon, 03 May 2021 00:58:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620017930; h=from:from: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=fbGyyeEaHR+uHtu59XwGSFnWh5t4tAz2mGJdUn+zeTA=; b=GWpEhpo3B+c5QrXLFLtZ2FuBOlad4RVH+7a2BCQTaC5DEceznlnCwhN4q/njFrMxSmhrn8 1LsvDBoV5xbZEvN0ygvw8WtP3xB5BN7wI4puFCoL2X2xpx8zyr/6xaQ4PcNbN/yPYseMZt J+Z14/kpx5hO17Xog9yv9bwhzGoCJzY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-348-6MzPy0qYPNOyYPGbr19krA-1; Mon, 03 May 2021 00:58:48 -0400 X-MC-Unique: 6MzPy0qYPNOyYPGbr19krA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F008E8015BA; Mon, 3 May 2021 04:58:47 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-114-17.ams2.redhat.com [10.36.114.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C14C0687F2; Mon, 3 May 2021 04:58:47 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 4726A113525D; Mon, 3 May 2021 06:58:46 +0200 (CEST) From: Markus Armbruster To: Thomas Huth Subject: Re: [PATCH 4/4] pc-bios/s390-ccw: Allow building with Clang, too References: <20210502174836.838816-1-thuth@redhat.com> <20210502174836.838816-5-thuth@redhat.com> Date: Mon, 03 May 2021 06:58:46 +0200 In-Reply-To: <20210502174836.838816-5-thuth@redhat.com> (Thomas Huth's message of "Sun, 2 May 2021 19:48:36 +0200") Message-ID: <87r1iofm61.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.697, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christian Borntraeger , qemu-s390x@nongnu.org, Cornelia Huck , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Thomas Huth writes: > Clang unfortunately does not support generating code for the z900 > architecture level and starts with the z10 instead. Thus to be able > to support compiling with Clang, we have to check for the supported > compiler flags. The disadvantage is of course that the bios image > will only run with z10 guest CPUs upwards (which is what most people > use anyway), so just in case let's also emit a warning in that case. What happens when you try to use this bios with an old CPU anyway?