CC: linux-kernel(a)vger.kernel.org CC: x86(a)kernel.org TO: Thomas Gleixner <tglx(a)linutronix.de&gt; CC: Kees Cook <keescook(a)chromium.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/entry head: 72f40a2823d6e16229ab58b898c6f22044e5222f commit: 569dd8b4eb7ef666b467c41b8e8e4f2820d07f67 [7/14] x86/entry: Convert system vectors to irq stack macro config: x86_64-randconfig-r002-20210211 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=56... git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip x86/entry git checkout 569dd8b4eb7ef666b467c41b8e8e4f2820d07f67 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): -- --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org