From nobody Tue Dec 16 07:29:00 2025 Received: from smtpbg154.qq.com (smtpbg154.qq.com [15.184.224.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 433401A00E7; Wed, 7 May 2025 05:48:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=15.184.224.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746596913; cv=none; b=aKDlW088z3yFSYPdwJEzGnPkle5h2uErv4ltpHnuTHYDcFNTK3s6WaH0NorxMbVsw0vuKIWDRITFtDVC7IfrUzXiRp7nkHM8yfr2BVYAFK4hKESm5LBc7KmoPvu6epq6dc0tCRx2FGsRZ10I1IwvhFSKd5F8HTLdZMWIp8abuBo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746596913; c=relaxed/simple; bh=ajKkmLBQHltQ3aT5vOIXwjpiHq5xNEDklbkdv09yMlg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=K0m1xJ0KI/vppnNEsRUozxuvyted1Agbt0E/yArhpJjYiO99Ip+YoUb2pgzbwfxiNuJl2MmGD4Wmeeh9vKXIri6GvmcYmbU5Groi29ALTgs3yq303IjtulkXgXuHI39vzXA6qgtYl2khxostbFpAJsN3IPip2GqnxUeZUsXTFdA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=uniontech.com; spf=pass smtp.mailfrom=uniontech.com; dkim=pass (1024-bit key) header.d=uniontech.com header.i=@uniontech.com header.b=pNXiYJ5S; arc=none smtp.client-ip=15.184.224.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=uniontech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=uniontech.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=uniontech.com header.i=@uniontech.com header.b="pNXiYJ5S" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=uniontech.com; s=onoh2408; t=1746596880; bh=RR1o4h1D7RP+bPdxjng3MvYjCb48F+Na98fT4d1P2gU=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=pNXiYJ5SV3/q5ixiaQwHyDwW0P0kS9mUlp7z7/2h2JE0n5dlEXn0oNYa+0pCptSKo bvd2K3Njfgr0JKM0WstlrWr6HpurNN7qFKPpWXU1u6LY2vYxTncxXR4bwUwOBvyukf 1PQmhnWnZhNXxIOY6qAefNyPGkXCeOkcSYhe5gDU= X-QQ-mid: zesmtpip4t1746596836tfa752b55 X-QQ-Originating-IP: GUD0Ib9eO0p6JFXKSx5eJadelh7ZUQJDvk8upfg5mMM= Received: from localhost.localdomain ( [localhost]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 07 May 2025 13:47:13 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 1 X-BIZMAIL-ID: 813654498485384309 EX-QQ-RecipientCnt: 9 From: WangYuli To: masahiroy@kernel.org, nathan@kernel.org, nicolas.schier@linux.dev Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, zhanjun@uniontech.com, niecheng1@uniontech.com, guanwentao@uniontech.com, WangYuli Subject: [PATCH] extrawarn: Use cc-disable-warning for shift-negative-value Date: Wed, 7 May 2025 13:47:05 +0800 Message-ID: <70AA6123A55FEA70+20250507054705.1196184-1-wangyuli@uniontech.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpip:uniontech.com:qybglogicsvrgz:qybglogicsvrgz8a-1 X-QQ-XMAILINFO: MSrLYp2Q5Rma2GHgAMHmrBi7+2meX3Iu4okAg93eZClj9stk/pg9Vk7B z/30zrA7fOf1r+ovGfTv58Wi30QoArbzi67csbYxfkv5bsvGlxnRTZNdHWqfRe6HRxJ5X/T Gj+BOSvWtYBIcmwzk3fIWKr5OmbhJri7DAtu5qNlh+ACXklxOZgcDgFA0zxHewen2q3AqYu c5ZHM6qc3r+D+hfpok0EHDkoK/toNzGwFqR7IR6BmYDMC+XqcYBJiLXlnrvWLDM6x1HucXQ jWJ2ewgKa1fctm2ofLoxrbyaWu3TmIFrYA0b1OZYIMq9UL8R0A4xKw7rdrJiXit+tsbYrhr KRFKzObiMa8ETV1RkXduyaNISwogRlsk4qK2ZXTO3ffvE+q5zt9dKbO8TjmjnseeiacMaHl R9rg5aQaFzsSEjdN/JQ4A6sPIz5SNXAcJBnkpEieWGy/Ae08ywNvLZFom9+egQkFoANJo+r s2p19KDIlty/sY0kaVbWUlbL7FKAjIart8b+YaLNJxSt8LjruCGeUBBOS1k/abQHR+94Y1y 8YLXUlRSC2oWoxiF2K0csFH54k2nlwdw2oC9eOQ+zjs/epdIdpP2C2ccisp/5Pa63K7cUUD 9Ued4IWNw7UYMrLIF9KB8x6cebPKb+dP/9RZYpOr7oJtr2XPr6j3ORQWqoTvqb3q94FTz7u ii8JUj9B7WGIz4dUm1PMI+TDCY8jWpQ5MA6x+WbM7HYOTl0S9Wa19Tc8yUXYGee057vLdMu SoZTxkG6eiVqpKFMwtuhb6rkGP6La4ohwWfQssN2RTBSfQVc7eDII9Ow9N+sQELbvd7cPBV 9sXNWHxmq/vO/inCZDYqli8NiVzE86tQwFH4qA6Sk6D+ftQkFs9dmELHP3vXes5djJIuaJ6 Ikstc1zVU08SrOoKpYN+0eH7Tpg3T8So2x+8voeDpjlqoZKhcb+Ar/FOHUGSp5GURco8jdm ognAFR5YKcRqdZx1M77rgj2//9PKy/f9xGvXEFmvZhJX++SBn52+xxtr8VSMfu3r0wwyYaf mhY6ZgILCYJQOM7CcresmoG7j0x9nJlkc5rT5Vc3mLtPTPBPbkrHVRlRlRGjk= X-QQ-XMRINFO: MPJ6Tf5t3I/ycC2BItcBVIA= X-QQ-RECHKSPAM: 0 The -Wno-shift-negative-value option is not supported by GCC 5.4.0. This could potentially result in extra warnings under certain circumstances. Utilize cc-disable-warning to prevent the following from occurring: mm/vmscan.c: At top level: cc1: error: unrecognized command line option =E2=80=98-Wno-shift-negative= -value=E2=80=99 [-Werror] cc1: all warnings being treated as errors Link: https://lore.kernel.org/all/62726950F697595A+20250507040827.1147510-1= -wangyuli@uniontech.com/ Signed-off-by: WangYuli --- scripts/Makefile.extrawarn | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index d88acdf40855..375475e7b3bd 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -158,7 +158,7 @@ else # The following turn off the warnings enabled by -Wextra KBUILD_CFLAGS +=3D -Wno-missing-field-initializers KBUILD_CFLAGS +=3D -Wno-type-limits -KBUILD_CFLAGS +=3D -Wno-shift-negative-value +KBUILD_CFLAGS +=3D $(call cc-disable-warning, shift-negative-value) =20 ifdef CONFIG_CC_IS_CLANG KBUILD_CFLAGS +=3D -Wno-enum-enum-conversion --=20 2.49.0