[kbuild-all] drivers/gpu/drm/i915/gt/intel_workarounds.c:1082:20: error: function 'is_nonpriv_flags_valid' is not needed and will not be emitted

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4333a9b0b67bb4e8bcd91bdd80da80b0ec151162 commit: 9f4069b055d1508c833115df7493b6e0001e5c9b drm/i915: re-disable -Wframe-address date: 8 weeks ago config: x86_64-randconfig-r031-20200619 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project f5bbe390d23d7da0ffb110cdb24b583c2dc87eba) 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 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 bool is_nonpriv_flags_valid(u32 flags) ^ 1 error generated. -- static inline int rq_prio(const struct i915_request *rq) ^ 1 error generated. vim +/is_nonpriv_flags_valid +1082 drivers/gpu/drm/i915/gt/intel_workarounds.c 094304beb4e1f4 drivers/gpu/drm/i915/intel_workarounds.c Tvrtko Ursulin 2018-12-03 1081 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 @1082 static inline bool is_nonpriv_flags_valid(u32 flags) 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1083 { 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1084 /* Check only valid flag bits are set */ 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1085 if (flags & ~RING_FORCE_TO_NONPRIV_MASK_VALID) 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1086 return false; 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1087 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1088 /* NB: Only 3 out of 4 enum values are valid for access field */ 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1089 if ((flags & RING_FORCE_TO_NONPRIV_ACCESS_MASK) == 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1090 RING_FORCE_TO_NONPRIV_ACCESS_INVALID) 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1091 return false; 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1092 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1093 return true; 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1094 } 1e2b7f497c28a4 drivers/gpu/drm/i915/gt/intel_workarounds.c John Harrison 2019-07-12 1095 :::::: The code at line 1082 was first introduced by commit :::::: 1e2b7f497c28a47793a95d8f0cc8e135899827f1 drm/i915: Add test for invalid flag bits in whitelist entries :::::: TO: John Harrison <John.C.Harrison(a)Intel.com&gt; :::::: CC: Tvrtko Ursulin <tvrtko.ursulin(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org