From patchwork Wed Jan 13 14:50:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Piotr_G=C3=B3rski?= X-Patchwork-Id: 12017041 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 9C458C43381 for ; Wed, 13 Jan 2021 14:52:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7082E235FF for ; Wed, 13 Jan 2021 14:52:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727748AbhAMOwZ (ORCPT ); Wed, 13 Jan 2021 09:52:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727744AbhAMOwY (ORCPT ); Wed, 13 Jan 2021 09:52:24 -0500 Received: from mail-lf1-x12a.google.com (mail-lf1-x12a.google.com [IPv6:2a00:1450:4864:20::12a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 88E63C0617A2 for ; Wed, 13 Jan 2021 06:51:03 -0800 (PST) Received: by mail-lf1-x12a.google.com with SMTP id s26so3130271lfc.8 for ; Wed, 13 Jan 2021 06:51:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=oKz0LRNKKkifXcI4q7KxAUAGui2YAx04YT32ydV1cO8=; b=lqtkrp2wf9ZWkL+ws0kBMxnA2HtKu/STub3YIcGEZ0FRcradpaP6s0ersG0hbxbguG fxIDwhGfzLO1z8pGWJYl6B5/Uzffpo2AtW1/b2pfrbf4YiehiAyEjxtsib9MzgeVbbx/ iPYFmYvlg1UqtwOGO3bvLS9vaOJPu7MEl864V5QffAwWEJinkiF7XQP+mjKT5zDtq0XX hFWQebVfe2rczSh8L1zJWPbr5pmCX7dywntYP4End8ALJo56pcjTIcEAGNAHc4tVL+4M 0Ae3aGGB/yOUrYh8+8ztsp7eYaTOr6HfwhjLEQcCe/y2Wls4RIs4br23npe+EXESABb2 ydew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=oKz0LRNKKkifXcI4q7KxAUAGui2YAx04YT32ydV1cO8=; b=V6ORqaxnxbP3IsWuZylB15Ey3jj8BASIO5Ra2JEHUse4CIwY/19w2zGyS3KRhvFNUw lreSK/7N6pap5XJH4UQ5LT3yL33VgDctn1pK0NiUrN56s/QRuqwWGyKsZe2HireiM7B5 Tcj7dZPzmywNNDuAdfnzbKUr5GQSNAWPELFJ0Zt52+exlojD3NaUZJUBIhOIJR/GAXQQ sZX7i/QBadSH8t9+4W2YKfSpy4dPshVpwvbXsoHv/fh3nRCN7Njd/lvjOmpjBi2Lzv0w MhAzL3Jy+B8Bqi5LhXgRjGNIHCm0fkhjwhVc5RElkOpqB8z6OGJ5N5erT2DUNWPb9qzT LBoQ== X-Gm-Message-State: AOAM531DdEhqjkGyyhtG6OaD9p5S2q5tLsKXvdgzjObyeT/jtFuliPdM f8GFCAvN4yw39dUKjDeU9syim/jPjdSKNg== X-Google-Smtp-Source: ABdhPJwWySnnxNhyCjdnF137UEnqKBRqjUnqxKSPqa/rquIT0u5ew/TW/hr5KkMhjdJh3Pi5jhRM8A== X-Received: by 2002:a19:716:: with SMTP id 22mr1095383lfh.390.1610549461488; Wed, 13 Jan 2021 06:51:01 -0800 (PST) Received: from localhost.localdomain ([2a02:a31d:a03d:400:c1cf:51dc:62c0:df06]) by smtp.gmail.com with ESMTPSA id j18sm231382lfb.77.2021.01.13.06.50.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Jan 2021 06:51:00 -0800 (PST) From: ">" X-Google-Original-From: Piotr Gorski lucjan.lucjanov@gmail.com> To: linux-kbuild@vger.kernel.org Cc: Piotr Gorski Subject: [PATCH] init: add support for zstd compressed modules Date: Wed, 13 Jan 2021 15:50:56 +0100 Message-Id: <20210113145056.834091-1-lucjan.lucjanov@gmail.com> X-Mailer: git-send-email 2.30.0.81.g72c4083ddf MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org From: Piotr Gorski kmod 28 supports modules compressed in zstd format so let's add this possibility to kernel. Signed-off-by: Piotr Gorski --- Makefile | 7 +++++-- init/Kconfig | 9 ++++++--- 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/Makefile b/Makefile index cf54d33ba863..90986a3f5897 100644 --- a/Makefile +++ b/Makefile @@ -1049,8 +1049,8 @@ endif # INSTALL_MOD_STRIP export mod_strip_cmd # CONFIG_MODULE_COMPRESS, if defined, will cause module to be compressed -# after they are installed in agreement with CONFIG_MODULE_COMPRESS_GZIP -# or CONFIG_MODULE_COMPRESS_XZ. +# after they are installed in agreement with CONFIG_MODULE_COMPRESS_GZIP, +# CONFIG_MODULE_COMPRESS_XZ, or CONFIG_MODULE_COMPRESS_ZSTD. mod_compress_cmd = true ifdef CONFIG_MODULE_COMPRESS @@ -1060,6 +1060,9 @@ ifdef CONFIG_MODULE_COMPRESS ifdef CONFIG_MODULE_COMPRESS_XZ mod_compress_cmd = $(XZ) --lzma2=dict=2MiB -f endif # CONFIG_MODULE_COMPRESS_XZ + ifdef CONFIG_MODULE_COMPRESS_ZSTD + mod_compress_cmd = $(ZSTD) -T0 -9 --rm -f + endif # CONFIG_MODULE_COMPRESS_ZSTD endif # CONFIG_MODULE_COMPRESS export mod_compress_cmd diff --git a/init/Kconfig b/init/Kconfig index b77c60f8b963..11d7dfea98b6 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -2216,8 +2216,8 @@ config MODULE_COMPRESS bool "Compress modules on installation" help - Compresses kernel modules when 'make modules_install' is run; gzip or - xz depending on "Compression algorithm" below. + Compresses kernel modules when 'make modules_install' is run; gzip, + xz, or zstd depending on "Compression algorithm" below. module-init-tools MAY support gzip, and kmod MAY support gzip and xz. @@ -2239,7 +2239,7 @@ choice This determines which sort of compression will be used during 'make modules_install'. - GZIP (default) and XZ are supported. + GZIP (default), XZ, and ZSTD are supported. config MODULE_COMPRESS_GZIP bool "GZIP" @@ -2247,6 +2247,9 @@ config MODULE_COMPRESS_GZIP config MODULE_COMPRESS_XZ bool "XZ" +config MODULE_COMPRESS_ZSTD + bool "ZSTD" + endchoice config MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS