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 EDFC653E06 for ; Thu, 11 Jan 2024 18:44:48 +0000 (UTC) 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="Zul+I/cv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1704998689; x=1736534689; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=BLWkV4FwFpaHlahGmNWz/euarj5Ekb2SfjPuJA4VwmQ=; b=Zul+I/cv0uj1Jx7QVKGzuL3he30Yx6RXde9S72JXT1fhMBxOapxEL8XG 6K8ew1kUvWqF4MakKSaaeSEePe+k35Xbcnc8Ff8nXilH/Rz5262Q3D9Ip 2jq0b3lYqrvUhtMlbtLaQ6VZurkkwtvBnyfcWUmq82tIdyYEs1r4dICur 8suWbwYOaVELCHQmgsY6xPAxu1nFBI5Fysg3/Z/OhF9VNSA8uP3/hJHR9 KMvc1hVtcsIcCxsLRV8Gxz0SahLqsgBoOpFv6Wiscow0A9iMWFFtjN/HD 1FGWwHf2L7ifl0urcgrW4vZR1x/G7yi5S3V/rK+GAzr15gWBQdjkKDprx g==; X-IronPort-AV: E=McAfee;i="6600,9927,10950"; a="6036464" X-IronPort-AV: E=Sophos;i="6.04,187,1695711600"; d="scan'208";a="6036464" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jan 2024 10:44:39 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10950"; a="906047037" X-IronPort-AV: E=Sophos;i="6.04,187,1695711600"; d="scan'208";a="906047037" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 11 Jan 2024 10:44:34 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rO02Z-0008cU-2C; Thu, 11 Jan 2024 18:44:31 +0000 Date: Fri, 12 Jan 2024 02:44:30 +0800 From: kernel test robot To: Byungchul Park , linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, kernel_team@skhynix.com, akpm@linux-foundation.org, ying.huang@intel.com, namit@vmware.com, xhao@linux.alibaba.com, mgorman@techsingularity.net, hughd@google.com, willy@infradead.org, david@redhat.com, peterz@infradead.org, luto@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com Subject: Re: [v5 6/7] mm: Defer TLB flush by keeping both src and dst folios at migration Message-ID: <202401120213.rCOV7YQI-lkp@intel.com> References: <20240111060757.13563-7-byungchul@sk.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: <20240111060757.13563-7-byungchul@sk.com> Hi Byungchul, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on tip/sched/core tip/x86/core arm64/for-next/core tip/x86/mm linus/master v6.7 next-20240111] [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/Byungchul-Park/x86-tlb-Add-APIs-manipulating-tlb-batch-s-arch-data/20240111-141049 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240111060757.13563-7-byungchul%40sk.com patch subject: [v5 6/7] mm: Defer TLB flush by keeping both src and dst folios at migration config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20240112/202401120213.rCOV7YQI-lkp@intel.com/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240112/202401120213.rCOV7YQI-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/202401120213.rCOV7YQI-lkp@intel.com/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: migrc_flush_start >>> referenced by tlb.c >>> arch/x86/mm/tlb.o:(arch_tlbbatch_flush) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: migrc_flush_end >>> referenced by tlb.c >>> arch/x86/mm/tlb.o:(arch_tlbbatch_flush) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: migrc_flush_free_folios >>> referenced by memory.c >>> mm/memory.o:(handle_mm_fault) in archive vmlinux.a >>> referenced by page_alloc.c >>> mm/page_alloc.o:(get_page_from_freelist) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki