From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 1AC6D2F84F for ; Thu, 28 May 2026 10:33:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779964397; cv=none; b=BTzJnAK9geIXk5fmc71a/v2n/gJ48xMm+7lHdlaadV7+O85nhyVT6Sn01kpNtMMDsNrZc4gxq6vi/LWv6Xsfb/uXgUFBo2Nkd71hVNt7PpvqoNMUf8+dx2a0R/VVS5MXxVJ88A4HXIHXBaNuUuQBHpwcaSKGL08GBjogt9ORmZI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779964397; c=relaxed/simple; bh=+h8BiDyEGUTaX5dkltOlb6CAZB4QJkd09eu9rd4ZL7I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=c3RGGQl9Xv+SD7/F21bfRIleJzJxvx72LcJNk2V2uq6J0D13h/lupIQIKzVJrsGfTIP9/zheee7bk9gZqZ6shUC7TCBvTAGzgtnW712wrU2cCA0+/+CYe/HlbFJWKyjcf1kQQr1M8nrzyT6Pyc5OvhbK4h0HD7nK1Ayq/iy3NiE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Ng8LIidk; arc=none smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Ng8LIidk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1779964396; x=1811500396; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=+h8BiDyEGUTaX5dkltOlb6CAZB4QJkd09eu9rd4ZL7I=; b=Ng8LIidkWLQXUe698ALdTLvJUCpizFL7prh3WVOieu+Gllrg7crzW6yP E7S4QTaeSDaKQ4bS0TbQR2BSEPxglsC+IIpBOjbL3cJ20i6hmwVUHbC3i Oq4ga95ca9dJ3BIcsl7oPGAah8ETgZ12ie1/BSInBTYRs3lGWHn7oS3jF raJsAbNP3BeP91nfI0NwVO1Jv8z+8mW+2f/Wn32LPRyb155MouGRJYSwZ TybJabg8CgtbEMcSmKsn3iQZAtT7WsVxO+6Ff6nHFVDb06oMlGOzd1AgY zHD0M/ZylI9oFh9Fv9lT51S43+vjSiSOqzL0qj1NAIkKSTAJ9TzbZr+r+ Q==; X-CSE-ConnectionGUID: EbDyRLtXRGmbEXBn9s3BcQ== X-CSE-MsgGUID: 86meFukzRSW5VIsxXpNWnQ== X-IronPort-AV: E=McAfee;i="6800,10657,11799"; a="106256612" X-IronPort-AV: E=Sophos;i="6.24,173,1774335600"; d="scan'208";a="106256612" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2026 03:33:16 -0700 X-CSE-ConnectionGUID: iNrAHOncSZy9ngJMnGgBWg== X-CSE-MsgGUID: ypfIc8BbS7eMVXf3AkLkJg== X-ExtLoop1: 1 Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 28 May 2026 03:33:14 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wSY35-000000005qk-30Rp; Thu, 28 May 2026 10:33:11 +0000 Date: Thu, 28 May 2026 18:33:02 +0800 From: kernel test robot To: Wentao Guan , masahiroy@kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, petr.pavlu@suse.com, linux-kernel@vger.kernel.org, Wentao Guan Subject: Re: [PATCH v2] genksyms: Support arm64 CRC32 hardware acceleration Message-ID: <202605281815.1Z1xCVpw-lkp@intel.com> References: <20260525070344.1564886-1-guanwentao@uniontech.com> 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=us-ascii Content-Disposition: inline In-Reply-To: <20260525070344.1564886-1-guanwentao@uniontech.com> Hi Wentao, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v7.1-rc5 next-20260527] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wentao-Guan/genksyms-Support-arm64-CRC32-hardware-acceleration/20260525-151229 base: linus/master patch link: https://lore.kernel.org/r/20260525070344.1564886-1-guanwentao%40uniontech.com patch subject: [PATCH v2] genksyms: Support arm64 CRC32 hardware acceleration config: um-randconfig-002 (https://download.01.org/0day-ci/archive/20260528/202605281815.1Z1xCVpw-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 9409c07de6378507397ecdb6f05f628f58110112) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260528/202605281815.1Z1xCVpw-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202605281815.1Z1xCVpw-lkp@intel.com/ All warnings (new ones prefixed by >>): >> scripts/genksyms/genksyms.c:122:12: warning: variable 'crc32_hw_available' set but not used [-Wunused-but-set-global] 122 | static int crc32_hw_available; | ^ 1 warning generated. -- >> scripts/genksyms/genksyms.c:122:12: warning: variable 'crc32_hw_available' set but not used [-Wunused-but-set-global] 122 | static int crc32_hw_available; | ^ 1 warning generated. vim +/crc32_hw_available +122 scripts/genksyms/genksyms.c 118 119 /* 120 * Architecture-specific CRC32 hardware acceleration. 121 */ > 122 static int crc32_hw_available; 123 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki