From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 499CE233D69 for ; Tue, 3 Feb 2026 23:50:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770162606; cv=none; b=TPvS8EjEzCK3aEnl5NFOYY76QBbM3D1jyqe2uSC3J+N/UUH0Vsrmh6NPB7edHO7yZWv+iO5CgpPKWNIpkGMZ8iVrV+ScBd+k7Y9EGQEuTDTueECLRsUayHRkPe3HK4xVIOn+EUXp4A4hYCHkDp0PstdL3+Tutz76Cbf6Gfji+mk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770162606; c=relaxed/simple; bh=lW/DhY9GFJrtPF9xoYO9z3EZ8dViSfffQZsDTDTwHX4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tLs8kOx7ar+IRCq7diIv3+nMUgG8+bAoXN106KUaIQc02oIPTELza+LbGsoRM7nrWXJLCoiVR/+IMEpKhXfOdnXzff3f46Y4Tb/0yAWkd6m1oVZM73zi9BjzxZTn+BL8poMRX1M8R7U59vmE30OC6Ev8lI6cyMLQzrfp/XEetEo= 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=jGbgo84c; arc=none smtp.client-ip=198.175.65.13 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="jGbgo84c" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770162606; x=1801698606; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=lW/DhY9GFJrtPF9xoYO9z3EZ8dViSfffQZsDTDTwHX4=; b=jGbgo84csyeW8TKLnQMPxcJctk46u+/RsvANcRgn0y9jhHkKM77M1JLc I0y8wkYkEMwAMHP/jQkpywTMARoeCAhJXPduouhuroFGkDYG2o8Bv8JZE n9OT9bWX2uQ0lE1cfhwaXrR4wLjT6XT38tiZMXlkHL55l5ftKSlVRcEea QfekK4+0bvlZtZ4Iynxboe2QidHMtk69pMTsNJ8XskXIgXrybVIwZ2FKu 63RIktEHnwo+74OVfMggANZ9BTjjKVsNmvdk/G98sLWrlgCnbRVey5hEv ZjgEhzHdustYe4EHk8F4nKk221ne+9rJdxh+v9KwD6vbLPEj9ZwQwoKft w==; X-CSE-ConnectionGUID: wmS7+0YBS5WPfusfvs9NaA== X-CSE-MsgGUID: jWL9Y+8wTLuq4vLVGMPLjg== X-IronPort-AV: E=McAfee;i="6800,10657,11691"; a="82456184" X-IronPort-AV: E=Sophos;i="6.21,271,1763452800"; d="scan'208";a="82456184" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2026 15:50:05 -0800 X-CSE-ConnectionGUID: yE1z5WFmSNGWBzAM6FIyjA== X-CSE-MsgGUID: 2HKzhuT3T+aSuWOHqvlnwg== X-ExtLoop1: 1 Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 03 Feb 2026 15:49:58 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vnQ9b-00000000hJ8-3lM2; Tue, 03 Feb 2026 23:49:55 +0000 Date: Wed, 4 Feb 2026 07:49:21 +0800 From: kernel test robot To: Lance Yang , akpm@linux-foundation.org Cc: oe-kbuild-all@lists.linux.dev, david@kernel.org, dave.hansen@intel.com, dave.hansen@linux.intel.com, ypodemsk@redhat.com, hughd@google.com, will@kernel.org, aneesh.kumar@kernel.org, npiggin@gmail.com, peterz@infradead.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, arnd@arndb.de, lorenzo.stoakes@oracle.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, shy828301@gmail.com, riel@surriel.com, jannh@google.com, jgross@suse.com, seanjc@google.com, pbonzini@redhat.com Subject: Re: [PATCH v4 1/3] mm: use targeted IPIs for TLB sync with lockless page table walkers Message-ID: <202602040751.TGypHk92-lkp@intel.com> References: <20260202074557.16544-2-lance.yang@linux.dev> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260202074557.16544-2-lance.yang@linux.dev> Hi Lance, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on tip/x86/core arnd-asm-generic/master linus/master v6.19-rc8] [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/Lance-Yang/mm-use-targeted-IPIs-for-TLB-sync-with-lockless-page-table-walkers/20260202-154938 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260202074557.16544-2-lance.yang%40linux.dev patch subject: [PATCH v4 1/3] mm: use targeted IPIs for TLB sync with lockless page table walkers config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260204/202602040751.TGypHk92-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260204/202602040751.TGypHk92-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/202602040751.TGypHk92-lkp@intel.com/ All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: kernel/events/core.o: in function `pt_walk_lockless_end': >> core.c:(.text.pt_walk_lockless_end+0x368): undefined reference to `active_lockless_pt_walk_mm' arm-linux-gnueabi-ld: kernel/events/core.o: in function `pt_walk_lockless_start': >> core.c:(.text.pt_walk_lockless_start+0x370): undefined reference to `active_lockless_pt_walk_mm' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki