Received: by 2002:a05:6a10:2726:0:0:0:0 with SMTP id ib38csp4124769pxb; Sun, 27 Mar 2022 12:34:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxD1RVP/x6qY5sLZysItmo6yrMc2Yyb0fp5xirXlKcVbapWx7/8Mu6KmX6QTx5um1yx6FJm X-Received: by 2002:a17:907:9956:b0:6cf:cd25:c5a7 with SMTP id kl22-20020a170907995600b006cfcd25c5a7mr23161135ejc.635.1648409654935; Sun, 27 Mar 2022 12:34:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1648409654; cv=none; d=google.com; s=arc-20160816; b=GEH9YPq7YXUDTQloJDIgkTJK8BO6S8BWwfPy4Ex5SR0lnbPSWJp7dv34FnQQx8gy9/ qe2a1q3a35zt3krQls4JohSdrIEfz7yJLGhpETLz/KmwCrKEo+0iAimRt4lKJ0/jLVNg ihuXd7ji4QFgS/UsJPJnqwzjvG8PNSDsi7vfsR1RlNtsl27n3jPxaufPnH1kZR98jfcj jUM6tccKut48zoQbZ4Pu+nzNscs2qZSUDyeXGRSMmBXw7B7Vx/QlvlxGaWz/2PdBfW2Q fora/0GrXrtdN21eeD7aGm2fTLO3aIrUBPGXRXFB9Erl3EEWN9XWFL6PXkOv7SA3yOUf lHdw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=s4y42qLqf9PkBhxhH70NwXvSwLhsKqL89KsbDlAk85k=; b=wCwhDWCQEzh7P/nmV5dD7Gku4CWRLBfQuQCVCi566ECctie8pjtmweSInfqXXmReoN PapphIFiFvUQRL0ZyNOiehOWybhNisR+ep6wUQnjyOf0qY1FMTfNLjjWpZ3mDnt4sHlf pQi6kHBEbewe+hN5e3cltSclrocobD89UXCU9zkx5SPcoeZmPaBGMaYaEuQ1MBQANcPZ 8e6tCirfd8KIu3gK73W9Z7RvJwYrTs4I/XLoUqgbWA/ija6Is7G1X8Hu6+dWQhcerHaq D430HOk0ciy0NPPAw37fJ0kBay8eNTZWbqAN1hObAI4TZ8GYIcez3oij9SLAQHPTigZO T0zg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id l2-20020aa7d942000000b004190767a702si11869610eds.496.2022.03.27.12.33.49; Sun, 27 Mar 2022 12:34:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234304AbiCZSoV (ORCPT + 99 others); Sat, 26 Mar 2022 14:44:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231451AbiCZSoT (ORCPT ); Sat, 26 Mar 2022 14:44:19 -0400 X-Greylist: delayed 442 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Sat, 26 Mar 2022 11:42:42 PDT Received: from mailscanner01.zoner.fi (mailscanner01.zoner.fi [84.34.166.10]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78BFD97BBA for ; Sat, 26 Mar 2022 11:42:42 -0700 (PDT) Received: from www25.zoner.fi (www25.zoner.fi [84.34.147.45]) by mailscanner01.zoner.fi (Postfix) with ESMTPS id 273F841556; Sat, 26 Mar 2022 20:35:17 +0200 (EET) Received: from mail.zoner.fi ([84.34.147.244]) by www25.zoner.fi with esmtp (Exim 4.95) (envelope-from ) id 1nYBFt-0003zZ-1o; Sat, 26 Mar 2022 20:35:17 +0200 Date: Sat, 26 Mar 2022 20:35:16 +0200 From: Lasse Collin To: Jubin Zhong Cc: , , , Subject: Re: [PATCH v2] kbuild: Enable armthumb BCJ filter for Thumb-2 kernel Message-ID: <20220326203516.1ddb6492@kaneli> In-Reply-To: <1647834017-23673-1-git-send-email-zhongjubin@huawei.com> References: <20211121233722.708131a8@kaneli> <1647834017-23673-1-git-send-email-zhongjubin@huawei.com> X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW, SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-03-21 Jubin Zhong wrote: > >On 2021-11-20 Jubin Zhong wrote: > >> xz_wrap.sh use $SRCARCH to detect the BCJ filter. However, > >> assigning arm BCJ filter to Thumb-2 kernel is not optimal. In my > >> case, about 5% decrease of image size is observed with armthumb > >> BCJ filter: > >> > >> Test results: > >> hardware: QEMU emulator version 3.1.0 > >> config: vexpress_defconfig with THUMB2_KERNEL & KERNEL_XZ > >> on > >> arm BCJ: 4029808 > >> armthumb BCJ: 3827280 > >> > >> Choose armthumb BCJ filter for Thumb-2 kernel to make smaller > >> images. > >> > >> Signed-off-by: Jubin Zhong > > >I still didn't test it but it looks good to me. > > Hi, this patch is not accepted into the kernel mainline yet. > Please let me know if there is any problem with the patch, thanks. I see no replies and don't know what could be wrong. So perhaps you could resend it with my Acked-by. -- Lasse Collin