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X-CSE-ConnectionGUID: cDikp5iGRGyaXf5B6OOa5Q== X-CSE-MsgGUID: Ws7dS6YFTKW10jtoOD8x/g== X-IronPort-AV: E=McAfee;i="6800,10657,11902"; a="163579" X-IronPort-AV: E=Sophos;i="6.27,99,1787036400"; d="scan'208";a="163579" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa115.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2026 05:15:20 -0700 X-CSE-ConnectionGUID: q5JRD4LtQGKDh+iLnvceIA== X-CSE-MsgGUID: iPANkVDsTcqCNQVzr9UHlw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,99,1787036400"; d="scan'208";a="297161118" Received: from lkp-server02.sh.intel.com (HELO 0a3643a6ed9d) ([10.239.97.151]) by fmviesa001.fm.intel.com with ESMTP; 12 Sep 2026 05:15:19 -0700 Received: from kbuild by 0a3643a6ed9d with local (Exim 4.98.2) (envelope-from ) id 1x5Mcm-000000002uz-16CD; Sat, 12 Sep 2026 12:14:29 +0000 Date: Sat, 12 Sep 2026 20:13:54 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: fs/btrfs/extent_io.o: warning: objtool: submit_one_bio+0x44: unreachable instruction Message-ID: <202609122048.ZbYfiSyx-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: Boris Burkov CC: David Sterba CC: Filipe Manana tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 08df884136f1c1197bab2a27814404fd329d9aac commit: f07b855c56b1fd724c018c1d4ff8d319b9afd5a9 btrfs: try to search for data csums in commit root date: 12 months ago :::::: branch date: 2 days ago :::::: commit date: 12 months ago config: loongarch-randconfig-r061-20260906 (https://download.01.org/0day-ci/archive/20260912/202609122048.ZbYfiSyx-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 12.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260912/202609122048.ZbYfiSyx-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: f07b855c56b1 ("btrfs: try to search for data csums in commit root") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202609122048.ZbYfiSyx-lkp@intel.com/ All warnings (new ones prefixed by >>): fs/btrfs/extent_io.o: warning: objtool: can_skip_one_ordered_range+0x8c: unreachable instruction >> fs/btrfs/extent_io.o: warning: objtool: submit_one_bio+0x44: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: submit_extent_folio+0x9c: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: submit_one_sector+0x7c: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: set_delalloc_bitmap+0x108: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: assert_eb_folio_uptodate+0x4c: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: find_lock_delalloc_range+0x84: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: attach_eb_folio_to_filemap+0xa0: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: detach_extent_buffer_folio+0x13c: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: btrfs_do_readpage+0xfc: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: extent_write_locked_range+0x110: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: alloc_extent_buffer+0x188: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: btrfs_clear_buffer_dirty+0x160: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki