Hi Peter,

First bad commit (maybe != root cause):

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 4848f81edc2027721953fee5ded81f909a833e26 commit: f552f518f86f4489577e296625e624271e2f76b2 [2589/2589] futex: Move to kernel/futex/ config: x86_64-buildonly-randconfig-002-20241218 (https://download.01.org/0day-ci/archive/20241228/202412282222.K2wXdQAA-lkp@i...) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241228/202412282222.K2wXdQAA-lkp@i...)

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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202412282222.K2wXdQAA-lkp@intel.com/

All warnings (new ones prefixed by >>):

...

kernel/futex/core.o: warning: objtool: futex_lock_pi()+0x6ec: unreachable instruction