From patchwork Mon Oct 1 09:44:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 147877 Delivered-To: patch@linaro.org Received: by 2002:a2e:8595:0:0:0:0:0 with SMTP id b21-v6csp3688171lji; Mon, 1 Oct 2018 02:45:30 -0700 (PDT) X-Google-Smtp-Source: ACcGV62sIE+q66OU6AJ83mN1Xe+DxGbd/AJz6vXjYbFej2MJdvejcu/OcndAMBLkQp15KSzdZH0u X-Received: by 2002:a63:68c7:: with SMTP id d190-v6mr9449025pgc.135.1538387130228; Mon, 01 Oct 2018 02:45:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1538387130; cv=none; d=google.com; s=arc-20160816; b=SO3fajkiJrME31GAF64K7wq4wLcYcTJ80AVZ9DiDOc6HboQJQwNEqHiRUznVkhqTpp K4xBN+QH9mUC+UJ1+1DdH/YXrFfApEGoDJMBHle5MRoJWJEZaKi9Wbl0JkLDOb8MIWB+ eS2XXlinO9xfmUt31XPR/NI9K2OY83F5c0Y7HgDbS5ZLz2676XWC2zuwqmgG+Kyn5LHr 4saQGBVLkchV7MIyBzLH25rXvSJqFKvl7bOyR3e8UTgBjF1/9kbLUTirbGc4JiOQlGy6 2RhknAhHW1jk9X1yNvyvrpc2K1kSTl3WGrUkyHmp3kjR17SOws13ShOCx+hWixayJFF4 qO6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature:dkim-filter; bh=WUXFT2P0NSk4Fbu7xQA1bRb++hUQ2jt1i2HYH+Xzm38=; b=q2+16LtIv1SPTK+4P4/1XzXZ4zeKftMCUqMVGd+T4mQxUUQMWio2VQ3a6cQQU5H4gK kTm6HH7ZxCR6CoeHYYT5EKiumhgp8DUCCx+uhEoafK18bV2f2T1nCWjWFe40jXUaqjac YiHA2q8o9uszfDHSusMtjRBs7wsvKG6yjwvZ5MP4Fc7yig0d6jaonQSAUKcy78o+Ouq3 a36xdZSQzHGL/ahsxf0ozYbSbI1n0N1qHT6imh2uf8jOuhyWnoWLjZFI8sO9DDnFJEmZ 7vOdPkPM/K1k3VbBOXlyfjoMHIBvpxnUgAkOsld8FkA6vuCsAncjbMXDFMsdsr4NhTEq tSBA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=uX5xv4rz; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c31-v6si11442496pgb.348.2018.10.01.02.45.29; Mon, 01 Oct 2018 02:45:30 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=uX5xv4rz; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729135AbeJAQWY (ORCPT + 32 others); Mon, 1 Oct 2018 12:22:24 -0400 Received: from conuserg-11.nifty.com ([210.131.2.78]:64029 "EHLO conuserg-11.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729081AbeJAQWX (ORCPT ); Mon, 1 Oct 2018 12:22:23 -0400 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-11.nifty.com with ESMTP id w919iipI005108; Mon, 1 Oct 2018 18:44:44 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-11.nifty.com w919iipI005108 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1538387085; bh=WUXFT2P0NSk4Fbu7xQA1bRb++hUQ2jt1i2HYH+Xzm38=; h=From:To:Cc:Subject:Date:From; b=uX5xv4rzB3D6LP2ZHst8Qplwkga1VgVCRbPBCQMoYqigtE9d1p7Wm3AqR775E1wI9 j09+13e/zTSrkqcWThhQZXw/7JB5V2LP8TTtnVTZsJ5bcKuxrTi/Iwl2s44QAoCpJ3 UBtD1uVP/EdI8mi4eHxAVzBQ40EaCsU6hJWpgU3G+2C4kWpPRze9rQ78PVm4KkBIQC DFPE/63yzBXt7p1Ov2Tc7ot4w+Xcy6FjKW8Myha9+4dpYgsVEyT1aXzAOJBLPsGpXE a+lD8EnVIBvPl4xACE/9fNlOUMolg1Q2dr6VOTGxubZegSjEGLN0KY4GyxVKzaFj4R CLvEHpSKOkJcg== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Arnd Bergmann , Kees Cook , Nick Desaulniers , Masahiro Yamada , Michal Marek , linux-kernel@vger.kernel.org Subject: [PATCH 1/3] kbuild: add -Wno-pointer-sign flag unconditionally Date: Mon, 1 Oct 2018 18:44:36 +0900 Message-Id: <1538387078-21892-1-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We have raised the compiler requirement from time to time. With commit cafa0010cd51 ("Raise the minimum required gcc version to 4.6"), the minimum for GCC is 4.6 now. The -Wno-pointer-sign has been here since the pre-git era. It is documented in the GCC 4.6 manual, and it is recognized by Clang and ICC as well. Let's rip off the cc-disable-warning switch, and see if somebody complains about it. Signed-off-by: Masahiro Yamada --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.7.4 Tested-by: Nick Desaulniers diff --git a/Makefile b/Makefile index c6d1f2f..505a324 100644 --- a/Makefile +++ b/Makefile @@ -800,7 +800,7 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) # disable pointer signed / unsigned warnings in gcc 4.0 -KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign) +KBUILD_CFLAGS += -Wno-pointer-sign # disable stringop warnings in gcc 8+ KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)