Hi Nick, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dcc0b49040c70ad827a7f3d58a21b01fdb14e749 commit: 9f4069b055d1508c833115df7493b6e0001e5c9b drm/i915: re-disable -Wframe-address date: 10 months ago config: x86_64-randconfig-a013-20210209 (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/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 9f4069b055d1508c833115df7493b6e0001e5c9b # 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 errors (new ones prefixed by >>): static inline int get_pt_type(int type) ^ static inline void ppgtt_set_guest_root_entry(struct intel_vgpu_mm *mm, ^ 2 errors generated. -- static inline int rq_prio(const struct i915_request *rq) ^ 1 error generated. vim +/get_pt_type +267 drivers/gpu/drm/i915/gvt/gtt.c 2707e44466881d Zhi Wang 2016-03-28 266 054f4eba2a2985 Zhi Wang 2017-10-10 @267 static inline int get_pt_type(int type) 054f4eba2a2985 Zhi Wang 2017-10-10 268 { 054f4eba2a2985 Zhi Wang 2017-10-10 269 return gtt_type_table[type].pt_type; 054f4eba2a2985 Zhi Wang 2017-10-10 270 } 054f4eba2a2985 Zhi Wang 2017-10-10 271 :::::: The code at line 267 was first introduced by commit :::::: 054f4eba2a2985b1db43353b7b5ce90e96cf9bb9 drm/i915/gvt: Introduce page table type of current level in GTT type enumerations :::::: TO: Zhi Wang <zhi.a.wang(a)intel.com&gt; :::::: CC: Zhenyu Wang <zhenyuw(a)linux.intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org