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X-CSE-ConnectionGUID: uxJBASP9Q7eOxzmgWUIIGA== X-CSE-MsgGUID: r+W0+WlTSjqSD1zfvHolSQ== X-IronPort-AV: E=McAfee;i="6800,10657,11734"; a="75236710" X-IronPort-AV: E=Sophos;i="6.23,130,1770624000"; d="scan'208";a="75236710" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2026 17:26:05 -0700 X-CSE-ConnectionGUID: h771u4RGTOa2TSZ+xIDlTQ== X-CSE-MsgGUID: fe9bJUAcSZily3Sln/BI3g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,130,1770624000"; d="scan'208";a="218525140" Received: from lkp-server02.sh.intel.com (HELO a51c2a36b9df) ([10.239.97.151]) by fmviesa006.fm.intel.com with ESMTP; 19 Mar 2026 17:26:04 -0700 Received: from kbuild by a51c2a36b9df with local (Exim 4.98.2) (envelope-from ) id 1w3Nga-000000001ob-1t6g; Fri, 20 Mar 2026 00:25:56 +0000 Date: Fri, 20 Mar 2026 08:24:54 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: fs/btrfs/extent_io.o: warning: objtool: can_skip_one_ordered_range+0xe4: unreachable instruction Message-ID: <202603200823.4JSF9ViZ-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: Qu Wenruo CC: David Sterba CC: Filipe Manana Hi Qu, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a1d9d8e833781c44ab688708804ce35f20f3cbbd commit: d2da21a6e06c40b9fd380ada93f1b48279e48b16 btrfs: introduce a read path dedicated extent lock helper date: 1 year ago :::::: branch date: 6 hours ago :::::: commit date: 1 year ago config: loongarch-randconfig-r053-20260318 (https://download.01.org/0day-ci/archive/20260320/202603200823.4JSF9ViZ-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 13.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260320/202603200823.4JSF9ViZ-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/r/202603200823.4JSF9ViZ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> fs/btrfs/extent_io.o: warning: objtool: can_skip_one_ordered_range+0xe4: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: set_delalloc_bitmap+0x100: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: assert_eb_folio_uptodate+0xc4: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: find_lock_delalloc_range+0x1d0: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: writepage_delalloc+0x410: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: attach_eb_folio_to_filemap+0x108: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: detach_extent_buffer_folio+0x10c: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: end_bbio_data_write+0x16c: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: submit_extent_folio+0xd8: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: submit_one_sector+0xcc: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: btrfs_do_readpage+0x204: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: extent_write_locked_range+0x220: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: alloc_extent_buffer+0x244: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: btrfs_clear_buffer_dirty+0x268: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki