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 lists1p.gnu.org (lists1p.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 774C0C531D0 for ; Mon, 27 Jul 2026 08:50:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1woH2d-0005jz-T9; Mon, 27 Jul 2026 04:50:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1woH2b-0005iT-EL for qemu-devel@nongnu.org; Mon, 27 Jul 2026 04:50:29 -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 1woH2Z-0006cT-4b for qemu-devel@nongnu.org; Mon, 27 Jul 2026 04:50:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1785142226; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nF9xmCN92AQAnC1SxOxgw9JJK6XazxBEIMxJHN7yZrg=; b=PM4pQs9ASae5BCqc0P3++2TAKBdmoHAFlJoPLKpzW4Uq/5GKnphIGVaYWtkyONdMNMw6uI KCMu+12/eoYB0teIA1RVM/LwDObCaPKWrUjtdEsbIJd9ylGE9jb5MdbZV+N5+iTMujCb4y UGDZDF/rxsk0aWbASEjYgVAysJFELXI= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-516-PWz408sbM2iIsgVFurlzjw-1; Mon, 27 Jul 2026 04:50:22 -0400 X-MC-Unique: PWz408sbM2iIsgVFurlzjw-1 X-Mimecast-MFC-AGG-ID: PWz408sbM2iIsgVFurlzjw_1785142221 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7BFF01955BE3; Mon, 27 Jul 2026 08:50:20 +0000 (UTC) Received: from redhat.com (unknown [10.44.32.196]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 386721800283; Mon, 27 Jul 2026 08:50:16 +0000 (UTC) Date: Mon, 27 Jul 2026 09:50:13 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Florian Schmidt Cc: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Pierrick Bouvier , Paolo Bonzini , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Alex =?utf-8?Q?Benn=C3=A9e?= , qemu-devel@nongnu.org Subject: Re: [PATCH] Add option to disable building tests Message-ID: References: <20260724135413.1716872-1-flosch@nutanix.com> <708798a8-3d43-48d9-a4f6-210eb88a88cb@oss.qualcomm.com> <92358092-080b-4b1d-82e5-733d2531ff38@oss.qualcomm.com> <6c79c79f-1bff-4914-9e42-dc077885f718@nutanix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <6c79c79f-1bff-4914-9e42-dc077885f718@nutanix.com> User-Agent: Mutt/2.4.0 (2026-06-19) X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 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: -2 X-Spam_score: -0.3 X-Spam_bar: / X-Spam_report: (-0.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.58, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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 Mon, Jul 27, 2026 at 09:46:33AM +0100, Florian Schmidt wrote: > On 2026-07-27 09:12, Philippe Mathieu-Daudé wrote: > > When is it useful to build without the provided test suite? When another > > one is better? Why not contribute it then? > > > > Or is is just that you don't want to test your changes? > > In our case, we have pipelines that rebuild/repackage QEMU after a full > build+test, without running the test suite again. In those cases, building > the tests is wasted effort, and considerably increases the overall build > times. I would suggest that building a second time is wasted effort too. If the 2nd build is byte-for-byte identical to the 1st build, then it is pointless. If it is not byte-for-byte identical, then you'll be taking binaries that have not been tested. 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 :|