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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9B91C433F5 for ; Sat, 29 Jan 2022 21:58:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353274AbiA2V6H (ORCPT ); Sat, 29 Jan 2022 16:58:07 -0500 Received: from mga04.intel.com ([192.55.52.120]:47408 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353252AbiA2V6B (ORCPT ); Sat, 29 Jan 2022 16:58:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643493481; x=1675029481; h=date:from:to:cc:subject:message-id:mime-version; bh=R6Y5dXxTzRObnoHU4ghO35lv2sXUDQnmSlkZ91l7wd4=; b=HUhVN6hZaVnxAJTdrg95i1IVrD81Z2wIHw4PpOKYR+HXjDYBcIt0ozJV xfi7Atbvuy8ob0hOe65rgu8hSB8u3xioh/hrAaRrnI2XtDDfNTX7c3FkK hNknkjyHUTm+1NobQdjGYc1AVd5+7WZt7wmBL3au+W81iyRgiplAgYrBt TlTnxhItQOVm5mPdDgyz7ymSB9l0El7oUYKZydmMftcvm0JBIV60voBAi Ub2c7Ldi4aeYTdoaGiaqWgm3aavDUlEmcbxzAFE2r4+NW528jHvT7r5eL xcoxUewyGAP6QxaeR2GQ/XIrBfmM7lmQQfhJUeH658WvHG817HVc900to g==; X-IronPort-AV: E=McAfee;i="6200,9189,10242"; a="246136608" X-IronPort-AV: E=Sophos;i="5.88,327,1635231600"; d="scan'208";a="246136608" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2022 13:57:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,327,1635231600"; d="scan'208";a="768215708" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by fmsmga006.fm.intel.com with ESMTP; 29 Jan 2022 13:57:58 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1nDvjJ-000Pgk-Pt; Sat, 29 Jan 2022 21:57:57 +0000 Date: Sun, 30 Jan 2022 05:57:10 +0800 From: kernel test robot To: Arnd Bergmann Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, "Russell King (Oracle)" Subject: include/linux/eventpoll.h:81:13: sparse: sparse: restricted __poll_t degrades to integer Message-ID: <202201300547.RZdxWp6u-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: cb323ee75d24e7acc2f188d123ba6df46159cf09 commit: 249dbe74d3c4b568a623fb55c56cddf19fdf0b89 ARM: 9108/1: oabi-compat: rework epoll_wait/epoll_pwait emulation date: 5 months ago config: riscv-randconfig-s031-20220129 (https://download.01.org/0day-ci/archive/20220130/202201300547.RZdxWp6u-lkp@intel.com/config) compiler: riscv32-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=249dbe74d3c4b568a623fb55c56cddf19fdf0b89 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 249dbe74d3c4b568a623fb55c56cddf19fdf0b89 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) fs/eventpoll.c: note: in included file: >> include/linux/eventpoll.h:81:13: sparse: sparse: restricted __poll_t degrades to integer >> include/linux/eventpoll.h:81:13: sparse: sparse: restricted __poll_t degrades to integer include/linux/eventpoll.h:81:13: sparse: sparse: cast from restricted __poll_t vim +81 include/linux/eventpoll.h 70 71 #if defined(CONFIG_ARM) && defined(CONFIG_OABI_COMPAT) 72 /* ARM OABI has an incompatible struct layout and needs a special handler */ 73 extern struct epoll_event __user * 74 epoll_put_uevent(__poll_t revents, __u64 data, 75 struct epoll_event __user *uevent); 76 #else 77 static inline struct epoll_event __user * 78 epoll_put_uevent(__poll_t revents, __u64 data, 79 struct epoll_event __user *uevent) 80 { > 81 if (__put_user(revents, &uevent->events) || 82 __put_user(data, &uevent->data)) 83 return NULL; 84 85 return uevent+1; 86 } 87 #endif 88 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org