[kbuild-all] Re: [PATCH] riscv: remove code for !CONFIG_FRAME_POINTER

Hi Vineet, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.15-rc6 next-20211022] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Vineet-Gupta/riscv-remove-code-f... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2f111a6fd5b5297b4e92f53798ca086f7c7d33a4 config: riscv-randconfig-r042-20211021 (attached as .config) compiler: riscv64-linux-gcc (GCC) 11.2.0 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 # https://github.com/0day-ci/linux/commit/5eda18a6f482104cda7a99c7a68ad45c4... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Vineet-Gupta/riscv-remove-code-for-CONFIG_FRAME_POINTER/20211022-005229 git checkout 5eda18a6f482104cda7a99c7a68ad45c4a638960 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash 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 >>): In file included from <command-line>: arch/riscv/kernel/stacktrace.c: In function 'walk_stackframe': 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:303:25: note: in definition of macro '__compiletime_assert' 303 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ arch/riscv/kernel/stacktrace.c:24:9: note: in expansion of macro 'BUILD_BUG_ON' 24 | BUILD_BUG_ON(!IS_ENABLED(CONFIG_FRAME_POINTER)); | ^~~~~~~~~~~~ In function 'walk_stackframe', inlined from 'get_wchan' at arch/riscv/kernel/stacktrace.c:105:3: 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:303:25: note: in definition of macro '__compiletime_assert' 303 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ arch/riscv/kernel/stacktrace.c:24:9: note: in expansion of macro 'BUILD_BUG_ON' 24 | BUILD_BUG_ON(!IS_ENABLED(CONFIG_FRAME_POINTER)); | ^~~~~~~~~~~~ vim +/__compiletime_assert_249 +322 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 308 eb5c2d4b45e3d2 Will Deacon 2020-07-21 309 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 310 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 311 eb5c2d4b45e3d2 Will Deacon 2020-07-21 312 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 313 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 317 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 319 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 320 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @322 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 323 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org