From patchwork Tue Mar 1 07:58:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaomeng Tong X-Patchwork-Id: 12764284 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 74A13C433EF for ; Tue, 1 Mar 2022 07:59:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233187AbiCAH7l (ORCPT ); Tue, 1 Mar 2022 02:59:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230021AbiCAH7g (ORCPT ); Tue, 1 Mar 2022 02:59:36 -0500 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DFCF650E01; Mon, 28 Feb 2022 23:58:56 -0800 (PST) Received: by mail-pf1-x431.google.com with SMTP id g21so7148141pfj.11; Mon, 28 Feb 2022 23:58:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=A25GcqUFVN2qz3QO76ICHSNj41DHlj4ABgVqzMafhNg=; b=hVlBBk7cs3/dXDPXoxjOjlK9Y2BjNWryWa8KLFqkxMZ5ftNCcm0uTY3qgZ7j31jVdE NhAaG15pa6YHcqJrKGZ4lLVFaxxfcvKBBdFIiwMikx65WVALF2ZyVQ+KTVRaghMfTH0I p5g2esJOzzR3Yr587LNne8gGAKIjHfiX75OEHWXutMQKgC2pkNRDzvcLsmu7YRDSwyNt J5eed6MBS7KSGP0xLrSgVRfq8sjHu8/Z0Zr+42wZRfwZZLWen1ndY0pLNyxau4KukI7u OUORMosGY7bR8f0Hq3ApDq+5m6lWzaZIUan654q+W/RtAwKEhkenqXGM81YkqYfiFq30 jOvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=A25GcqUFVN2qz3QO76ICHSNj41DHlj4ABgVqzMafhNg=; b=kIFHCwtgahgelilqzEMTrPYK7hHobYi6y3zZ1OGtcy7jqdLJZAE6/iNFczrN2nhT5D Vf8qDRqjhNWFx0AqqVEZPFhOFc7xXuLoatkSZLqhHF2Lhfc0sWykKfMZmcTiWaHEJawp g3HoJcY4gxLU+39zwIXkB7ixuQjlZ8S6gMHRtkyUV86LdVEowlGugu9KSOcPeHQE12fE sR6FtOPH+DcF4SaguQAi3Lqy3UO9+fJz8WsHOzmolKp33UHafKlgdDRFhu9D87ms1Sbk BUZj2Zps/9rGhnpd8itdDIGl91i9i2xAXKKeg5VTTxqTHSoI8Qw80djo5m3TUVhIvJH9 cOfg== X-Gm-Message-State: AOAM530ihy40Y5Js1+TNCfZ8lDk8+z1fpSriO1ce0Jdq2GjaKChsGlST ssyqTnBMo1caqjhkwqAk9dk= X-Google-Smtp-Source: ABdhPJwz/5TAUp9XKAqJDu66ccB4TZTOrvlYbd+foqA41ACOpsKAIWqQCfWfUYS1KUrpFS2b84vyqA== X-Received: by 2002:a05:6a00:2286:b0:4e1:285:5715 with SMTP id f6-20020a056a00228600b004e102855715mr26166424pfe.37.1646121536489; Mon, 28 Feb 2022 23:58:56 -0800 (PST) Received: from ubuntu.huawei.com ([119.3.119.18]) by smtp.googlemail.com with ESMTPSA id o12-20020a17090aac0c00b001b9e5286c90sm1662745pjq.0.2022.02.28.23.58.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Feb 2022 23:58:56 -0800 (PST) From: Xiaomeng Tong To: torvalds@linux-foundation.org Cc: arnd@arndb.de, jakobkoschel@gmail.com, linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, keescook@chromium.org, jannh@google.com, linux-kbuild@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, Xiaomeng Tong Subject: [PATCH 1/6] Kbuild: compile kernel with gnu11 std Date: Tue, 1 Mar 2022 15:58:34 +0800 Message-Id: <20220301075839.4156-2-xiam0nd.tong@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220301075839.4156-1-xiam0nd.tong@gmail.com> References: <20220301075839.4156-1-xiam0nd.tong@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org This patch is suggested by linus[1], there may be some corner cases which should be considered before merge, and is just for prove PATCH 2. [1]: https://lore.kernel.org/all/CAHk-=wh97QY9fEQUK6zMVQwaQ_JWDvR=R+TxQ_0OYrMHQ+egvQ@mail.gmail.com/ Signed-off-by: Xiaomeng Tong Reported-by: kernel test robot --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 289ce2be8..84a96ae3c 100644 --- a/Makefile +++ b/Makefile @@ -515,7 +515,7 @@ KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ -Werror=implicit-function-declaration -Werror=implicit-int \ -Werror=return-type -Wno-format-security \ - -std=gnu89 + -std=gnu11 -Wno-shift-negative-value KBUILD_CPPFLAGS := -D__KERNEL__ KBUILD_AFLAGS_KERNEL := KBUILD_CFLAGS_KERNEL :=