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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 CAE1FC3F2CD for ; Tue, 3 Mar 2020 06:52:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A0EF22146E for ; Tue, 3 Mar 2020 06:52:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MgMEOedX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727532AbgCCGwv (ORCPT ); Tue, 3 Mar 2020 01:52:51 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:36098 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725840AbgCCGwu (ORCPT ); Tue, 3 Mar 2020 01:52:50 -0500 Received: by mail-pl1-f194.google.com with SMTP id g12so892818plo.3 for ; Mon, 02 Mar 2020 22:52:49 -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:in-reply-to:references; bh=oX1y8GGFSSoL7MJBqOmt9bqjO2DIfXS/JFi378HqNJU=; b=MgMEOedXPOf45Nouii7bB4oC99d14VM7O6RLPA2ewohE/4xlxu4lY+4suP3aYRf3aD Dp1bYGb12tqHwQDClpN0YD2p2Cd+8xw9S/10ruBMKKxmVkrp3lGtTTr9JfYX9i33J82I yyF0NIfaoJMcc3/wSAjDfZdEBSDTrNHH/3oNqsF6RjlZxWIhZDnSi551i2aTAGg5/7G5 sQQ6bysLD9O0LWCB1htpbwbBNA5A8J24870teVBp/g+VnIrKokOnwXb2cE1voUqnCxxi WpfbOrv7io9ufRx8/z919QT7pYRl94OwPDE2/QWmrbkAj0/FZMD2WzukgE0FiMc63vq0 7f7Q== 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:in-reply-to :references; bh=oX1y8GGFSSoL7MJBqOmt9bqjO2DIfXS/JFi378HqNJU=; b=b4m9E5wNxgpEuDlNRFV9iHEJpclEpFxKrva2/Oxi1JDiQ7KRvQD7ZEG2ZOqYUiO315 rx+nLFnashFRZjCwBlgZTyi/dAhIdGkgzBMYgzRVY5JbvTXn2YsPTQE7ZujczAcU4XTa e/yXnLtfLrZtwOS+xzevk8lcXdbN2Ly0towRLR4lOU8gS+Eea7SkjWoLRhs/s9SiXUcM DdZBgo/XD5tpqSB4WEzS4whD1Ux3gPJ+FGXXewBbjbDTxvcE0d5cXEfNMZb7EbxNvDEK zMdcVAupe+yEWwmz00JMB1h2Sef+RCDH6C8rlVVy876WL1hSp5GJBl79Cep1/XWprbTt LhjA== X-Gm-Message-State: ANhLgQ2u3oB07mdOC1EuiHDd6lZClnlasjF9e2HKsiUSAEJxcExWBRzG NQeaXU9/d3hGaohCR1mOEXAuSizg X-Google-Smtp-Source: ADFU+vvDNb8nO5dFdp/Qn+gAtxGwt7UKdHdx6mKCWKfRZSMnUZxgVFvvZPs3RxqlzExO76SzX/a36Q== X-Received: by 2002:a17:902:6ac7:: with SMTP id i7mr2849117plt.66.1583218369041; Mon, 02 Mar 2020 22:52:49 -0800 (PST) Received: from ZB-PF114XEA.360buyad.local ([103.90.76.242]) by smtp.gmail.com with ESMTPSA id t11sm22780754pgi.15.2020.03.02.22.52.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Mar 2020 22:52:48 -0800 (PST) From: Zhenzhong Duan To: linux-kernel@vger.kernel.org Cc: x86@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, zhenzhong.duan@gmail.com, "H. Peter Anvin" Subject: [PATCH 1/2] x86/boot: Add -Wunused to KBUILD_CFLAGS Date: Tue, 3 Mar 2020 14:52:09 +0800 Message-Id: <20200303065210.1279-2-zhenzhong.duan@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200303065210.1279-1-zhenzhong.duan@gmail.com> References: <20200303065210.1279-1-zhenzhong.duan@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Compile warning option in arch/x86/boot/compressed is different from other part of the kernel for some history reason. But "-Wunused" is safe to be added to point out unused variable issue. Link: https://lore.kernel.org/patchwork/patch/1175001/#1379873 Suggested-by: Borislav Petkov Signed-off-by: Zhenzhong Duan Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" --- arch/x86/boot/compressed/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 26050ae0b27e..cb9743ec453a 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -37,7 +37,7 @@ KBUILD_CFLAGS += $(call cc-option,-ffreestanding) KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) KBUILD_CFLAGS += $(call cc-disable-warning, gnu) -KBUILD_CFLAGS += -Wno-pointer-sign +KBUILD_CFLAGS += -Wno-pointer-sign -Wunused KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ -- 2.17.1