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=-8.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,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 002AEC04AB1 for ; Thu, 9 May 2019 06:46:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C681B216C4 for ; Thu, 9 May 2019 06:46:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nifty.com header.i=@nifty.com header.b="HP06V32v" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726640AbfEIGqt (ORCPT ); Thu, 9 May 2019 02:46:49 -0400 Received: from conuserg-07.nifty.com ([210.131.2.74]:38135 "EHLO conuserg-07.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726099AbfEIGqt (ORCPT ); Thu, 9 May 2019 02:46:49 -0400 Received: from localhost.localdomain (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-07.nifty.com with ESMTP id x496k1w2011062; Thu, 9 May 2019 15:46:01 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-07.nifty.com x496k1w2011062 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1557384363; bh=yvvTvwV0Tq4SfdZCXnDg+V5rwwtcrTFnobkhSLEwtFI=; h=From:To:Cc:Subject:Date:From; b=HP06V32v2HYSug7mt4D42elbvKd4c5IlYYu9Na61IXnowNhnw6wD3Aa25u0NTi/yg 10bDDONVCyEDGtKS3sHP/369sBL2U4xkBNE6JXtKlg159qUO2fF3uafqraM2oJysjn lxlOZMYh3bHpDypxmCVL9JcME/qyx8BhuwBlqGEK/2GauqG2oj1YZyquqjXO3jmq+o mLhmNtzN+bKLzPzgflPox2wDRHN9p4eAAdrFnNQEyjMCcLXYSc/H98WlrssgHOlcqE 7VQhAzCHOrrc2I5f9sQ19o6EyGOTPrvOtUV5Ti/55XJAcC3b5I8R0jgyBGhYuycXyl 1sQdInYtfQ/gQ== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Nick Desaulniers , Nathan Chancellor , Arnd Bergmann , clang-built-linux@googlegroups.com, Masahiro Yamada , Michal Marek , linux-kernel@vger.kernel.org Subject: [PATCH] kbuild: add -Wvla flag unconditionally Date: Thu, 9 May 2019 15:45:49 +0900 Message-Id: <20190509064549.1302-1-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This flag is documented in the GCC 4.6 manual, and recognized by Clang as well. Let's rip off the cc-option switch. Signed-off-by: Masahiro Yamada --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index c71ffb6f55b5..3f5e8a0f4561 100644 --- a/Makefile +++ b/Makefile @@ -841,7 +841,7 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) KBUILD_CFLAGS += -Wdeclaration-after-statement # Variable Length Arrays (VLAs) should not be used anywhere in the kernel -KBUILD_CFLAGS += $(call cc-option,-Wvla) +KBUILD_CFLAGS += -Wvla # disable pointer signed / unsigned warnings in gcc 4.0 KBUILD_CFLAGS += -Wno-pointer-sign -- 2.17.1