From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) (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 F063723A0 for ; Thu, 21 Apr 2022 20:26:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650572806; x=1682108806; h=date:from:to:cc:subject:message-id:mime-version; bh=Y8unbK9Ek6KCDiTDsxDHyypG4mp4nnlyjAuZ37/RS2g=; b=lhLlDqrPW6MaEvPU7ExoxWP3epH/JusQG7ArSjQ4uUPo9HR97WbEhO6Q v2gXkpV7RvPpgwVMm/wi9MhOyZjtjUX4cJnPaI5+taL/bBlcuif8pXM0g wWPTE9wBUZyPmTEU+dSsUaFrZjsDUoASJUHLePxK5T+nLmGtVX/09YtKe YMMtmbFBqxdz/HTV3Mnplbsz87Jx/PDpjsXMPvJEyBpbUHz1LOagZ6Utp LZMOIEutQdQjsGA4Y2rWajxGDgbiaDQotzzbcfTcw/vMfMh8axu7XlChS 9nxenBeH9VXj4+R+if9BfUrODkTdWFa7NKCGTcTDPGOVwR82nPGqkKqLw A==; X-IronPort-AV: E=McAfee;i="6400,9594,10324"; a="245045179" X-IronPort-AV: E=Sophos;i="5.90,279,1643702400"; d="scan'208";a="245045179" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2022 13:26:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,279,1643702400"; d="scan'208";a="577452614" Received: from lkp-server01.sh.intel.com (HELO 3abc53900bec) ([10.239.97.150]) by orsmga008.jf.intel.com with ESMTP; 21 Apr 2022 13:26:45 -0700 Received: from kbuild by 3abc53900bec with local (Exim 4.95) (envelope-from ) id 1nhdO0-0008l8-BL; Thu, 21 Apr 2022 20:26:44 +0000 Date: Fri, 22 Apr 2022 04:25:55 +0800 From: kernel test robot To: Yury Norov Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [norov:bitmap 45/47] lib/bitmap.c:1570:17: error: initializing 'unsigned long *' with an expression of type 'const unsigned long *' discards qualifiers Message-ID: <202204220430.uHgyhQL9-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://github.com/norov/linux bitmap head: 29f3046c8c2929f8dbe5e1cb4f25ebdd5366ebe7 commit: f1cbd19c47bf73d532ff30571601c7ede57d5f82 [45/47] lib: add bitmap_{from,to}_arr64 config: mips-allnoconfig (https://download.01.org/0day-ci/archive/20220422/202204220430.uHgyhQL9-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://github.com/norov/linux/commit/f1cbd19c47bf73d532ff30571601c7ede57d5f82 git remote add norov https://github.com/norov/linux git fetch --no-tags norov bitmap git checkout f1cbd19c47bf73d532ff30571601c7ede57d5f82 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> lib/bitmap.c:1570:17: error: initializing 'unsigned long *' with an expression of type 'const unsigned long *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] unsigned long *end = bitmap + BITS_TO_LONGS(nbits); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ lib/bitmap.c:1575:22: warning: shift count >= width of type [-Wshift-count-overflow] *buf |= *bitmap++ << 32; ^ ~~ 1 warning and 1 error generated. vim +1570 lib/bitmap.c 1561 1562 /** 1563 * bitmap_to_arr64 - copy the contents of bitmap to a u64 array of bits 1564 * @buf: array of u64 (in host byte order), the dest bitmap 1565 * @bitmap: array of unsigned longs, the source bitmap 1566 * @nbits: number of bits in @bitmap 1567 */ 1568 void bitmap_to_arr64(u64 *buf, const unsigned long *bitmap, unsigned int nbits) 1569 { > 1570 unsigned long *end = bitmap + BITS_TO_LONGS(nbits); -- 0-DAY CI Kernel Test Service https://01.org/lkp