Messages in this thread | | | Date | Mon, 4 Jul 2022 20:55:05 +0800 | From | kernel test robot <> | Subject | [stable:linux-5.15.y 7794/8135] arch/x86/kernel/cpu/bugs.o: warning: objtool: spectre_v2_user_select_mitigation()+0x2da: unreachable instruction |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.15.y head: 545aecd229613138d6db54fb2b5221faca10137f commit: 0853f905e48b92dcf27a8d931104c9aac10de191 [7794/8135] x86/cpu: Elide KCSAN for cpu_has() and friends config: x86_64-randconfig-a006-20220704 (https://download.01.org/0day-ci/archive/20220704/202207042056.89dtC67G-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=0853f905e48b92dcf27a8d931104c9aac10de191 git remote add stable https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git git fetch --no-tags stable linux-5.15.y git checkout 0853f905e48b92dcf27a8d931104c9aac10de191 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/x86/kernel/cpu/bugs.o: warning: objtool: spectre_v2_user_select_mitigation()+0x2da: unreachable instruction
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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