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 7A845EB64DA for ; Fri, 21 Jul 2023 02:58:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229744AbjGUC6I (ORCPT ); Thu, 20 Jul 2023 22:58:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229684AbjGUC6H (ORCPT ); Thu, 20 Jul 2023 22:58:07 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3EDDA2690; Thu, 20 Jul 2023 19:58:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689908286; x=1721444286; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=kAfnjUsMkeVOvOzOihPjEhY2+hkQ8lG+O+rh2M9hN3I=; b=H9rmotCwT4ckzQWswhxn4Ib6CiDiPsJiNXD7UGG0w1dk6JNMKwnaMQtz zmY8JadwDEYag8h1JCh7xZD5/2XHr+3L2U0dAT3UqUyGEjMAhf9ypk2ah 7pAql0yy3QDyhmZ2KaYJixiGH0t5ecCxhAf6fh5vWkwEqNn9FQLMNiLt7 3wiET+S8XA+75TV97domAi/mCbW/NfWvIJ3qpmKxOGiDUgqoXyrqzHKe8 w9D2du8wYQLtqsfve/0HSF3HHOWHgVWZMx9D3IGszljnzFOeccsGS4vNX qvbRxW/b6IcOVKgJAVm1XCk0eYfgSuAg9YQ5L4T8bmGfwtZWxZEsRvCKt Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10777"; a="365817081" X-IronPort-AV: E=Sophos;i="6.01,220,1684825200"; d="scan'208";a="365817081" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2023 19:58:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10777"; a="898560727" X-IronPort-AV: E=Sophos;i="6.01,220,1684825200"; d="scan'208";a="898560727" Received: from lkp-server02.sh.intel.com (HELO 36946fcf73d7) ([10.239.97.151]) by orsmga005.jf.intel.com with ESMTP; 20 Jul 2023 19:57:57 -0700 Received: from kbuild by 36946fcf73d7 with local (Exim 4.96) (envelope-from ) id 1qMgKz-0006nV-0O; Fri, 21 Jul 2023 02:57:54 +0000 Date: Fri, 21 Jul 2023 10:56:51 +0800 From: kernel test robot To: =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Muhammad Usama Anjum Cc: oe-kbuild-all@lists.linux.dev, Alex Sierra , Alexander Viro , Andrei Vagin , Andrew Morton , Linux Memory Management List , Axel Rasmussen , Christian Brauner , Cyrill Gorcunov , Dan Williams , Danylo Mocherniuk , David Hildenbrand , Greg KH , "Gustavo A . R . Silva" , "Liam R . Howlett" , Matthew Wilcox , =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Mike Rapoport , Nadav Amit , Pasha Tatashin , Paul Gofman , Peter Xu , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Yang Shi , Yun Zhou , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning Message-ID: <202307211030.2CJH6TkM-lkp@intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Hi Michał, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.5-rc2 next-20230720] [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/Micha-Miros-aw/Re-fs-proc-task_mmu-Implement-IOCTL-for-efficient-page-table-scanning/20230721-033050 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/a0b5c6776b2ed91f78a7575649f8b100e58bd3a9.1689881078.git.mirq-linux%40rere.qmqm.pl patch subject: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning config: arc-randconfig-r035-20230720 (https://download.01.org/0day-ci/archive/20230721/202307211030.2CJH6TkM-lkp@intel.com/config) compiler: arceb-elf-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230721/202307211030.2CJH6TkM-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/202307211030.2CJH6TkM-lkp@intel.com/ All errors (new ones prefixed by >>): fs/proc/task_mmu.c: In function 'pagemap_scan_test_walk': fs/proc/task_mmu.c:1921:13: error: implicit declaration of function 'userfaultfd_wp_async'; did you mean 'userfaultfd_wp'? [-Werror=implicit-function-declaration] 1921 | if (userfaultfd_wp_async(vma) && userfaultfd_wp_use_markers(vma)) | ^~~~~~~~~~~~~~~~~~~~ | userfaultfd_wp fs/proc/task_mmu.c: In function 'pagemap_scan_pte_hole': >> fs/proc/task_mmu.c:2200:19: error: implicit declaration of function 'uffd_wp_range' [-Werror=implicit-function-declaration] 2200 | int err = uffd_wp_range(vma, addr, end - addr, true); | ^~~~~~~~~~~~~ fs/proc/task_mmu.c: In function 'pagemap_scan_init_bounce_buffer': fs/proc/task_mmu.c:2290:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 2290 | p->vec_out = (void __user *)p->arg.vec; | ^ fs/proc/task_mmu.c: At top level: fs/proc/task_mmu.c:1967:13: warning: 'pagemap_scan_backout_range' defined but not used [-Wunused-function] 1967 | static void pagemap_scan_backout_range(struct pagemap_scan_private *p, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/uffd_wp_range +2200 fs/proc/task_mmu.c 2182 2183 static int pagemap_scan_pte_hole(unsigned long addr, unsigned long end, 2184 int depth, struct mm_walk *walk) 2185 { 2186 struct pagemap_scan_private *p = walk->private; 2187 struct vm_area_struct *vma = walk->vma; 2188 int ret; 2189 2190 if (!vma || !pagemap_scan_is_interesting_page(p->cur_vma_category, p)) 2191 return 0; 2192 2193 ret = pagemap_scan_output(p->cur_vma_category, p, addr, &end); 2194 if (addr == end) 2195 return ret; 2196 2197 if (~p->arg.flags & PM_SCAN_WP_MATCHING) 2198 return ret; 2199 > 2200 int err = uffd_wp_range(vma, addr, end - addr, true); 2201 if (err < 0) 2202 ret = err; 2203 2204 return ret; 2205 } 2206 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki