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X-CSE-ConnectionGUID: bcv9+8ZxS7OC29+vBz48pA== X-CSE-MsgGUID: /KPrc5YOQ9ycnaAx023VIA== X-IronPort-AV: E=McAfee;i="6800,10657,11928"; a="94999" X-IronPort-AV: E=Sophos;i="6.27,145,1787036400"; d="scan'208";a="94999" Received: from fmviesa013.fm.intel.com ([10.60.135.153]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Oct 2026 18:12:57 -0700 X-CSE-ConnectionGUID: hblpISIfSFquxxfmpWy34w== X-CSE-MsgGUID: ycwE83kZTpik5bDMScRqAA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,145,1787036400"; d="scan'208";a="1613355" Received: from igk-lkp-server01.igk.intel.com (HELO d0de6c2a75a7) ([10.211.93.152]) by fmviesa013.fm.intel.com with ESMTP; 07 Oct 2026 18:12:55 -0700 Received: from kbuild by d0de6c2a75a7 with local (Exim 4.98.2) (envelope-from ) id 1xEcgn-000000004Td-14A8; Thu, 08 Oct 2026 01:12:53 +0000 Date: Thu, 08 Oct 2026 03:12:52 +0200 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: mm/gup.o: warning: objtool: follow_pmd_mask.constprop.0.isra.0+0x138: unreachable instruction Message-ID: <202610080322.A5EdN1H1-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: :::::: :::::: Manual check reason: "loongarch: unreachable instruction" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: "Kiryl Shutsemau (Meta)" CC: Andrew Morton CC: Linux Memory Management List Hi Kiryl, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7b63ef2d55f24519e7e9e5f4d15dbea03f126e40 commit: c6f11553c067d7d9ed2dcffe1e01780441d4e6e2 mm: decouple protnone helpers from CONFIG_NUMA_BALANCING date: 9 weeks ago :::::: branch date: 11 hours ago :::::: commit date: 9 weeks ago config: loongarch-randconfig-r2105-20261007 (https://download.01.org/0day-ci/archive/20261008/202610080322.A5EdN1H1-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261008/202610080322.A5EdN1H1-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 | Fixes: c6f11553c067 ("mm: decouple protnone helpers from CONFIG_NUMA_BALANCING") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202610080322.A5EdN1H1-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/gup.o: warning: objtool: gup_fast_pgd_range+0x1a8: unreachable instruction >> mm/gup.o: warning: objtool: follow_pmd_mask.constprop.0.isra.0+0x138: unreachable instruction mm/gup.o: warning: objtool: __get_user_pages+0x234: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki