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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28120C433EF for ; Mon, 8 Nov 2021 16:35:23 +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 BDF0B61406 for ; Mon, 8 Nov 2021 16:35:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BDF0B61406 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:53868 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mk7c9-000265-TH for qemu-devel@archiver.kernel.org; Mon, 08 Nov 2021 11:35:21 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39514) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mk7Xk-0005vg-Ip for qemu-devel@nongnu.org; Mon, 08 Nov 2021 11:30:48 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:32691) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mk7Xh-0003x3-FB for qemu-devel@nongnu.org; Mon, 08 Nov 2021 11:30:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1636389044; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/ZDBlQ39fCPVakygBAtV4IJ/soDoZQ3dmFvxVyVs92Q=; b=Dh30FJzsV+RtW2EHsUi/xPM403rkSwQPJc8LPSv93wsJxuo1Nlu29zs+KGt1vWXLy/cW25 aeEwXcBFryQoYn8dz1U8MR3vLXlKa3jOMh9U13MwocKHcEtwaJBThzeMWACiIhJjeVvscO 0GE5970qJ0DuHHYt8V68SsXIKPMNTrs= 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-502-dVA9B8ViN4qZxbTtL0wLPg-1; Mon, 08 Nov 2021 11:30:43 -0500 X-MC-Unique: dVA9B8ViN4qZxbTtL0wLPg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E6E6E824F83 for ; Mon, 8 Nov 2021 16:30:40 +0000 (UTC) Received: from [10.39.192.185] (unknown [10.39.192.185]) by smtp.corp.redhat.com (Postfix) with ESMTP id ADEED10016F5; Mon, 8 Nov 2021 16:30:39 +0000 (UTC) Message-ID: <092f8664-3f19-877a-0aa2-24fac5e0ba51@redhat.com> Date: Mon, 8 Nov 2021 17:30:38 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: Artificially target-dependend compiles To: Paolo Bonzini , Markus Armbruster References: <87czneyaw3.fsf@dusky.pond.sub.org> <2e4b52b0-b1fc-58c5-9631-fbf9d7f927fc@redhat.com> <87fss9u3zj.fsf@dusky.pond.sub.org> <87ilx3nk5p.fsf@dusky.pond.sub.org> <837be094-8a70-b364-3f85-5e6af8c05304@redhat.com> From: Thomas Huth In-Reply-To: X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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: -65 X-Spam_score: -6.6 X-Spam_bar: ------ X-Spam_report: (-6.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.7, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-3.06, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-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: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 08/11/2021 17.23, Paolo Bonzini wrote: > On 11/8/21 16:38, Thomas Huth wrote: >> >> Hmm, we used to have a config-all-devices.mak file in the past (see commit >> a98006bc798169e which removed it), maybe we could re-introduce something >> similar again, but producing a config-all.h header file instead? So that >> this header file contains switches like CONFIG_ANY_ACPI_VMGENID and >> CONFIG_ANY_ROCKER that are set if any of the targets uses the device ... >> and these switches would not get poisoned in common code... ? > > That would work, however the schema would still not provide any more > information than it currently does. Yeah, it's of limited use - you would only get a difference if none of the targets provided a feature (say if you did not build the x86 and arm targets, CONFIG_ANY_ACPI_VMGENID would likely not be set) ... not too useful, I guess. Thomas