CC: kbuild-...@lists.01.org BCC: l...@intel.com TO: Jim Cromie <jim.cro...@gmail.com>
tree: https://github.com/jimc/linux.git dyndbg-next head: e603de8993c46111c3ceeee8a8b9d5e7fa9af7cd commit: bd35fd3540c38d57ed3f80330e0f76417a4fa9e3 [6/7] dyndbg: WIP use symbolic class names :::::: branch date: 9 hours ago :::::: commit date: 9 hours ago config: x86_64-randconfig-s022 (https://download.01.org/0day-ci/archive/20220324/202203242303.jfvyhakh-...@intel.com/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/jimc/linux/commit/bd35fd3540c38d57ed3f80330e0f76417a4fa9e3 git remote add jimc https://github.com/jimc/linux.git git fetch --no-tags jimc dyndbg-next git checkout bd35fd3540c38d57ed3f80330e0f76417a4fa9e3 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/media/tuners/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> sparse warnings: (new ones prefixed by >>) drivers/media/tuners/xc4000.c: note: in included file: drivers/media/tuners/tuner-xc2028-types.h:77:9: sparse: sparse: preprocessor token IF redefined drivers/media/tuners/xc4000.c: note: in included file (through include/linux/dynamic_debug.h, include/linux/acpi.h, include/linux/i2c.h): >> include/linux/cpp_magic.h:224:9: sparse: this was the original definition -- drivers/media/tuners/tuner-xc2028.c: note: in included file: drivers/media/tuners/tuner-xc2028-types.h:77:9: sparse: sparse: preprocessor token IF redefined drivers/media/tuners/tuner-xc2028.c: note: in included file (through include/linux/dynamic_debug.h, include/linux/acpi.h, include/linux/i2c.h): >> include/linux/cpp_magic.h:224:9: sparse: this was the original definition vim +224 include/linux/cpp_magic.h 24fbdc7f0df092 Jim Cromie 2022-03-20 207 24fbdc7f0df092 Jim Cromie 2022-03-20 208 24fbdc7f0df092 Jim Cromie 2022-03-20 209 /** 24fbdc7f0df092 Jim Cromie 2022-03-20 210 * Macro if statement. Usage: 24fbdc7f0df092 Jim Cromie 2022-03-20 211 * 24fbdc7f0df092 Jim Cromie 2022-03-20 212 * IF(c)(expansion when true) 24fbdc7f0df092 Jim Cromie 2022-03-20 213 * 24fbdc7f0df092 Jim Cromie 2022-03-20 214 * Here's how: 24fbdc7f0df092 Jim Cromie 2022-03-20 215 * 24fbdc7f0df092 Jim Cromie 2022-03-20 216 * 1. The preprocessor expands the arguments to _IF casting the condition to '0' 24fbdc7f0df092 Jim Cromie 2022-03-20 217 * or '1'. 24fbdc7f0df092 Jim Cromie 2022-03-20 218 * 2. The casted condition is concatencated with _IF_ giving _IF_0 or _IF_1. 24fbdc7f0df092 Jim Cromie 2022-03-20 219 * 3. The _IF_0 and _IF_1 macros either returns the argument or doesn't (e.g. 24fbdc7f0df092 Jim Cromie 2022-03-20 220 * they implement the "choice selection" part of the macro). 24fbdc7f0df092 Jim Cromie 2022-03-20 221 * 4. Note that the "true" clause is in the extra set of brackets; thus these 24fbdc7f0df092 Jim Cromie 2022-03-20 222 * become the arguments to _IF_0 or _IF_1 and thus a selection is made! 24fbdc7f0df092 Jim Cromie 2022-03-20 223 */ 24fbdc7f0df092 Jim Cromie 2022-03-20 @224 #define IF(c) _IF(BOOL(c)) 24fbdc7f0df092 Jim Cromie 2022-03-20 225 #define _IF(c) CAT(_IF_,c) 24fbdc7f0df092 Jim Cromie 2022-03-20 226 #define _IF_0(...) 24fbdc7f0df092 Jim Cromie 2022-03-20 227 #define _IF_1(...) __VA_ARGS__ 24fbdc7f0df092 Jim Cromie 2022-03-20 228 :::::: The code at line 224 was first introduced by commit :::::: 24fbdc7f0df092d60d756acb563d188b95ee0ac2 dyndbg: add cpp-magic header for MAP macro :::::: TO: Jim Cromie <jim.cro...@gmail.com> :::::: CC: Jim Cromie <jim.cro...@gmail.com> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
