From patchwork Tue Oct 2 01:32:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 147945 Delivered-To: patch@linaro.org Received: by 2002:a2e:8595:0:0:0:0:0 with SMTP id b21-v6csp4573695lji; Mon, 1 Oct 2018 18:33:24 -0700 (PDT) X-Google-Smtp-Source: ACcGV630HoTuh5i6rB17OlwK37iShUzGIiNyY6YrekwhrCWvoECZBd0erciOdcSxkPRcv0Sc4dEu X-Received: by 2002:a62:b604:: with SMTP id j4-v6mr13976023pff.199.1538444004726; Mon, 01 Oct 2018 18:33:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1538444004; cv=none; d=google.com; s=arc-20160816; b=eQ36jWJlwnaAz9Yx3Jwb9tJ4M4Z/07eTMk76iyihbSWOHdHn8XW4ZT9oPoFFHAS4QR vcqPFXnEhEPWeMopMRwCXDD7qpGBfZc6LbaF24KbtTnEygTDvSo5TQVNkmpa8MmM1IlX HYDqH0eL5j7N9NoRxAQsS+i6J5E0c22A4UrK99PGOB/HFHa3nxqX6r3+Bn6HKIxziiLm dA9MS6t9i6TaaMs/Id4ppu43iQeiOT+EeUEoWqSvRGTDzFzHBZe5G6Snk5BzVdMeCuE8 lqXX+YmSS1fCHVipiNI59MHQ6Hbx//V7GwSLqU5y5UNPdhHfwx70WLayisJdR9pu6+l7 m5Ew== 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=JKofTgoDVAcOjK873FSEktMhmAvuO6+axKfzAr06A20=; b=lp2w0MeCNaYN0/HtMYVRXwtPgzg5WNTRJ979bQ+fi+Z9752BolO27DX4PoEaS49K8L ENm5mj5P66p0CxZOQQyAgazbae4yW8Myz4MyQXAIAoFFT1hUwhtfSAs3DjORufwsjzdA H+HsL8BmWsJe6d1skxJIcO1C7JOB7vVMAijGnEjmILoSyOe2424TiCYN+C4KCvwGF1c/ oeIRpZtlDZkqXEnXV+swNaI3glVc9VyJXSoZ2mH22u9GtnScy6pFwWhQprQbF691EuD9 6DCgBa9foRi9HldB5aAqdfAW94R+Xt52X6sZSXzeJZ91TROe2L2qGZtwCzmJMDgweVYX bNKw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=ibW48wkq; 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 f62-v6si14744868plf.164.2018.10.01.18.33.24; Mon, 01 Oct 2018 18:33:24 -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=ibW48wkq; 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 S1726943AbeJBIOD (ORCPT + 32 others); Tue, 2 Oct 2018 04:14:03 -0400 Received: from conuserg-11.nifty.com ([210.131.2.78]:36683 "EHLO conuserg-11.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726484AbeJBIOC (ORCPT ); Tue, 2 Oct 2018 04:14:02 -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 w921WUCD008691; Tue, 2 Oct 2018 10:32:30 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-11.nifty.com w921WUCD008691 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1538443950; bh=JKofTgoDVAcOjK873FSEktMhmAvuO6+axKfzAr06A20=; h=From:To:Cc:Subject:Date:From; b=ibW48wkq7EXXshsU0W+PqB62F72aVYOqJqKaAhKKXZ6aXWPXzvmRvul0QFCvPg+8z 8vo/gPxvLBMqzT+qaEhU1kWjvtNXbu9gA0Yx4RHbxaRC4HZMbrV/G3l+eC1V1HvLKr XEYLsoTS8Jwxw870Fw/rJAWxktHCE5sc07U6cwG6DxsnlQhBZl7L23dtULpCCDn3dc djQdL7YTSICeNgByHnsYll8ES9V64t/TZI9+SQLl9Fo2Jl+Brp7wKbQg8CQOz3hJIu wGHnrhXR2zv2IxxrPyqqf/OTRGHul8k26bxRwANvOWLCB8MVG8fy9qDQDH5CAw94lz 0jvuOvbwDMZeQ== 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 v2] kbuild: add -Wno-unused-but-set-variable flag unconditionally Date: Tue, 2 Oct 2018 10:32:23 +0900 Message-Id: <1538443943-29805-1-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. This flag was added by GCC 4.6, and it is recognized by ICC as well. It is true that Clang does not support this flag but this commit is just touching the else part of the "ifeq ($(cc-name),clang)" check. Hence, Clang build is not affected. Let's rip off the cc-disable-warning switch, and see if somebody complains about it. Signed-off-by: Masahiro Yamada --- Changes in v2: - Fix commit log Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.7.4 Reviewed-by: Nick Desaulniers diff --git a/Makefile b/Makefile index 8a23fee..2627266 100644 --- a/Makefile +++ b/Makefile @@ -716,7 +716,7 @@ else # These warnings generated too much noise in a regular build. # Use make W=1 to enable them (see scripts/Makefile.extrawarn) -KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) +KBUILD_CFLAGS += -Wno-unused-but-set-variable endif KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)