Received: by 2002:a05:7412:37c9:b0:e2:908c:2ebd with SMTP id jz9csp136294rdb; Mon, 18 Sep 2023 10:13:29 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGfuZYMYE8zhQ0K+BWzIxpwBG8y39+dwMpYtCiXpbIQG/fTp8maf/iyEaps7k4LhzuBymSD X-Received: by 2002:a17:902:e551:b0:1c4:16f7:d95b with SMTP id n17-20020a170902e55100b001c416f7d95bmr10189359plf.63.1695057209157; Mon, 18 Sep 2023 10:13:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1695057209; cv=none; d=google.com; s=arc-20160816; b=pGPFU5U2pUjL3ioGMhUBIL4/nhe7jCtnnXHIOK/m2gyk/20HJHt0Amu6CIkjaLA7rd 6qOCgJRJj3T+yyt7aSilkLv6dLWILQxegopDhtnYry2zZH7H7oi7ew9Xjs7LnXnMytPY GQ1nTLK8v8+vppdyTKmKVBvySpwPKq/xvl5Q53OMabjZh/2WmbxAYQDM+0RwIgA6aRbM 6bhFCN1hYRYe6ns3V1CJDaxp2mt6v/j1nRDYo/8spinQb9SiSoI8CX6wxriNJbYetEIg 7M3qED27qhNJsO5X6IBGEj7+86oPRsfkLUKF/GUS3WIIXdiCLgCjmNsCS/X8yqoh76iw EMjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-transfer-encoding :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=2/3LdDIT7WzC7lw4Nbh6WwJ7U95CHoIfiZGB3QfoTds=; fh=L93vb0Qntqku8wCaEoMlOIsQyOUzQvxXM4IlThGGpXI=; b=I1x/T1xmAkoj4rIpVBIvemo4sfgqU3Rwsc9qImerNoef4LzJYe7N3V1ua9Y16KAmeL CmIBo7uPVvWAeycPT7mh+z4qn+F2nlXuvp6HiEngCW3nZt2L6aX5QZYazU7284xOyINE Pcp/oUOfGsJZwiU4sFBfadM9E0adSk9S6No6m8L7xHmgHZgFThOsHSn+1WHr89qzrSS8 5LZszkiyj1DAVLRoSpoiifgO9TShOOOZF2bYaeaL7cpoHjhPXpdrW6dhOKEvBYHWEMki jkiCqbGw0OwjtF2ObBNSEYQd8Efci/l9MGOHoIIkmuIN7uYSVxInj8emnXYJSVMDKu5F MKWw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:6 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from pete.vger.email (pete.vger.email. [2620:137:e000::3:6]) by mx.google.com with ESMTPS id d1-20020a170902cec100b001b874c5f7a8si8263581plg.653.2023.09.18.10.13.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Sep 2023 10:13:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:6 as permitted sender) client-ip=2620:137:e000::3:6; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:6 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by pete.vger.email (Postfix) with ESMTP id CBD1380BC3E7; Mon, 18 Sep 2023 09:28:41 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at pete.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229473AbjIRQ2k (ORCPT + 99 others); Mon, 18 Sep 2023 12:28:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230074AbjIRQ2Y (ORCPT ); Mon, 18 Sep 2023 12:28:24 -0400 Received: from 1wt.eu (ded1.1wt.eu [163.172.96.212]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 229589EF3; Mon, 18 Sep 2023 09:21:26 -0700 (PDT) Received: (from willy@localhost) by mail.home.local (8.17.1/8.17.1/Submit) id 38IGKojo028584; Mon, 18 Sep 2023 18:20:50 +0200 Date: Mon, 18 Sep 2023 18:20:50 +0200 From: Willy Tarreau To: Thomas =?iso-8859-1?Q?Wei=DFschuh?= Cc: Masahiro Yamada , Nathan Chancellor , Nick Desaulniers , Nicolas Schier , Shuah Khan , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH RFC v2] selftests/nolibc: don't embed initramfs into kernel image Message-ID: References: <20230917-nolibc-initramfs-v2-1-f0f293a8b198@weissschuh.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20230917-nolibc-initramfs-v2-1-f0f293a8b198@weissschuh.net> X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Mon, 18 Sep 2023 09:28:45 -0700 (PDT) Hi Thomas, On Sun, Sep 17, 2023 at 05:21:38PM +0200, Thomas Wei?schuh wrote: > When the initramfs is embedded into the kernel each rebuild of it will > trigger a full kernel relink and all the expensive postprocessing steps. > > Currently nolibc-test and therefore the initramfs are always rebuild, > even without source changes, leading to lots of slow kernel relinks. > > Instead of linking the initramfs into the kernel assemble it manually > and pass it explicitly to qemu. > This avoids all of the kernel relinks. > > Signed-off-by: Thomas Wei?schuh OK, let's try it! thanks, Willy