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Message-ID: <202407232006.7Gelsbv4-lkp@intel.com> Date: Tue, 23 Jul 2024 20:18:41 +0800 From: kernel test robot <lkp@...el.com> To: Qu Wenruo <wqu@...e.com> Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org, David Sterba <dsterba@...e.com> Subject: fs/btrfs/lzo.o: warning: objtool: lzo_compress_folios+0xb0: unreachable instruction Hi Qu, 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: 66ebbdfdeb093e097399b1883390079cd4c3022b commit: 400b172b8cdcff87038697169fe9e4222120dd9a btrfs: compression: migrate compression/decompression paths to folios date: 3 months ago config: loongarch-randconfig-001-20240722 (https://download.01.org/0day-ci/archive/20240723/202407232006.7Gelsbv4-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240723/202407232006.7Gelsbv4-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 <lkp@...el.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202407232006.7Gelsbv4-lkp@intel.com/ All warnings (new ones prefixed by >>): >> fs/btrfs/lzo.o: warning: objtool: lzo_compress_folios+0xb0: unreachable instruction fs/btrfs/lzo.o: warning: objtool: lzo_decompress_bio+0x140: unreachable instruction objdump-func vmlinux.o lzo_compress_folios: -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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