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=-16.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 B686CC47094 for ; Thu, 10 Jun 2021 14:48:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97A89613E3 for ; Thu, 10 Jun 2021 14:48:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231326AbhFJOuJ (ORCPT ); Thu, 10 Jun 2021 10:50:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:34682 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230298AbhFJOuJ (ORCPT ); Thu, 10 Jun 2021 10:50:09 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id ED0216128A; Thu, 10 Jun 2021 14:48:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623336492; bh=wQQTd1CqqkLhXd1KZGw/Nxb7g/KLKDgHa/hM2KdbUzk=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=UY1OxWifY/XVi4JYcS5BifZL31aMbYnvmlchw9VSWxtJQRH1k70LUUpJtseMYYSHi /wtBkQ+bGABN6g/48+8fpi2lsarFZhyX8k+OdMKg5tFDDETJDYxTrLgnfgnd90Lf/8 p1Sxh79Xc/Ml2IQ5fiMpWd1+K8uTGCdCBlWGSB+/O4iK2zBmsx7RibXIPRvx890MIA TRdhus1eVxphErJBn5I5gtbY/7naaf6NFo6mIJinurbEsbUyySZZ/VEJ/gVhbjFF5T EmtNkd+NmxPdLJK40gH5/YINmTrhhwcX9X0xTUFLbMqaqpckstEwk+Z/XtIBB7nqI/ y11oVvpNL4Tdw== Date: Thu, 10 Jun 2021 23:48:09 +0900 From: Masami Hiramatsu To: Steven Rostedt , Devin Moore Cc: LKML , Ingo Molnar Subject: Re: [PATCH v4 0/6] bootconfig: Add mixed subkeys and value under the same key Message-Id: <20210610234809.9d1e92cb3f04842e14c3d011@kernel.org> In-Reply-To: References: <162262192121.264090.6540508908529705156.stgit@devnote2> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2 Jun 2021 16:02:27 -0700 Devin Moore wrote: > On Wed, Jun 2, 2021 at 1:18 AM Masami Hiramatsu wrote: > > > > Hi, > > > > Here is the 4th version of the series which updates bootconfig to > > support mixed subkeys and a value under the same key. > > The 3rd version is completely wrong. I missed to picked up the older > > (v1) patches to v3. So please ignore v3. > > > > Since the kernel cmdline accepts options like > > "aaa.bbb=val1 aaa.bbb.ccc=val2", it is better that the bootconfig > > also support it. > > > > Here is the previous series (v2): > > https://lore.kernel.org/lkml/162157886618.78209.11141970623539574861.stgit@devnote2/ > > > > In this version, I rebased on top of the latest linus tree and > > add the build error fix [1/6](*) and a cleanup patch [6/6]. > > > > (*) https://lore.kernel.org/lkml/162087519356.442660.11385099982318160180.stgit@devnote2/ > > > > Changes in v4 > > [1/6]: > > - Added from separated thread. This is a fundamental fix. > > [6/6]: > > - New cleanup patch. > > > > > > With this series, sub-keys and a value can co-exist under a parent key. > > For example, following config is allowed. > > > > foo = value1 > > foo.bar = value2 > > > > Note, since there is no syntax to put a raw value directly under a > > structured key, you have to define it outside of the brace. For example, > > > > foo { > > bar = value1 > > bar { > > baz = value2 > > qux = value3 > > } > > } > > > > Also, the order of the value node under a key is fixed. If there > > are a value and subkeys, the value is always the first child node > > of the key. Thus if user specifies subkeys first, e.g. > > > > foo.bar = value1 > > foo = value2 > > > > In the program (and /proc/bootconfig), it will be shown as below > > > > foo = value2 > > foo.bar = value1 > > > > > > Thank you, > > > > --- > > > > Masami Hiramatsu (6): > > tools/bootconfig: Fix a build error accroding to undefined fallthrough > > bootconfig: Change array value to use child node > > bootconfig: Support mixing a value and subkeys under a key > > tools/bootconfig: Support mixed value and subkey test cases > > docs: bootconfig: Update for mixing value and subkeys > > bootconfig: Share the checksum function with tools > > > > > > Documentation/admin-guide/bootconfig.rst | 30 +++++++- > > fs/proc/bootconfig.c | 2 - > > include/linux/bootconfig.h | 58 ++++++++++++++- > > init/main.c | 12 --- > > lib/bootconfig.c | 76 +++++++++++++++----- > > tools/bootconfig/include/linux/bootconfig.h | 4 + > > tools/bootconfig/main.c | 62 +++++++++++----- > > tools/bootconfig/samples/bad-mixed-kv1.bconf | 3 - > > tools/bootconfig/samples/bad-mixed-kv2.bconf | 3 - > > tools/bootconfig/samples/bad-override.bconf | 3 - > > tools/bootconfig/samples/bad-override2.bconf | 3 - > > tools/bootconfig/samples/good-mixed-append.bconf | 4 + > > tools/bootconfig/samples/good-mixed-kv1.bconf | 3 + > > tools/bootconfig/samples/good-mixed-kv2.bconf | 3 + > > tools/bootconfig/samples/good-mixed-kv3.bconf | 6 ++ > > tools/bootconfig/samples/good-mixed-override.bconf | 4 + > > 16 files changed, 205 insertions(+), 71 deletions(-) > > delete mode 100644 tools/bootconfig/samples/bad-mixed-kv1.bconf > > delete mode 100644 tools/bootconfig/samples/bad-mixed-kv2.bconf > > delete mode 100644 tools/bootconfig/samples/bad-override.bconf > > delete mode 100644 tools/bootconfig/samples/bad-override2.bconf > > create mode 100644 tools/bootconfig/samples/good-mixed-append.bconf > > create mode 100644 tools/bootconfig/samples/good-mixed-kv1.bconf > > create mode 100644 tools/bootconfig/samples/good-mixed-kv2.bconf > > create mode 100644 tools/bootconfig/samples/good-mixed-kv3.bconf > > create mode 100644 tools/bootconfig/samples/good-mixed-override.bconf > > > > -- > > Masami Hiramatsu (Linaro) > > > Thanks for the updated patches. > I tested the v4 changes on an Android virtual device(Cuttlefish) with > a variety of > parameters that included array values. I checked the output in /proc/bootconfig > before and after the changes. > I added a new parameter that failed before these changes and it worked great! > Added 'androidboot.hardware=cutf_cvm ' which worked with > 'androidboot.hardware.gralloc = "minigbm"' that was already present. > > These changes really help Android simplify some boot configuration > processes. We will be using it ASAP. Thanks Devin. Hi Steve, can you also pick this series? (except [1/6], which you've already merged) Thank you, > > So, > > Tested-by: Devin Moore -- Masami Hiramatsu