Hi Masami, kernel test robot noticed the following build errors:
[auto build test ERROR on trace/for-next] [also build test ERROR on linus/master v6.17-rc6 next-20250918] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Masami-Hiramatsu-Google/tracing-Add-an-option-to-show-symbols-in-_text-offset-for-function-profiler/20250919-135733 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/175826135058.101165.7219957344129610147.stgit%40devnote2 patch subject: [PATCH] tracing: Add an option to show symbols in _text+offset for function profiler config: x86_64-buildonly-randconfig-002-20250919 (https://download.01.org/0day-ci/archive/20250920/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250920/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All error/warnings (new ones prefixed by >>): In file included from kernel/trace/trace_sched_switch.c:15: >> kernel/trace/trace.h:1422:37: warning: left shift count >= width of type >> [-Wshift-count-overflow] 1422 | #define C(a, b) TRACE_ITER_##a = (1 << TRACE_ITER_##a##_BIT) | ^~ kernel/trace/trace.h:1358:17: note: in expansion of macro 'C' 1358 | C(PROF_TEXT_OFFSET, "prof-text-offset"), | ^ kernel/trace/trace.h:1402:17: note: in expansion of macro 'PROFILER_FLAGS' 1402 | PROFILER_FLAGS | ^~~~~~~~~~~~~~ kernel/trace/trace.h:1424:29: note: in expansion of macro 'TRACE_FLAGS' 1424 | enum trace_iterator_flags { TRACE_FLAGS }; | ^~~~~~~~~~~ -- In file included from kernel/trace/trace.c:58: >> kernel/trace/trace.h:1422:37: warning: left shift count >= width of type >> [-Wshift-count-overflow] 1422 | #define C(a, b) TRACE_ITER_##a = (1 << TRACE_ITER_##a##_BIT) | ^~ kernel/trace/trace.h:1358:17: note: in expansion of macro 'C' 1358 | C(PROF_TEXT_OFFSET, "prof-text-offset"), | ^ kernel/trace/trace.h:1402:17: note: in expansion of macro 'PROFILER_FLAGS' 1402 | PROFILER_FLAGS | ^~~~~~~~~~~~~~ kernel/trace/trace.h:1424:29: note: in expansion of macro 'TRACE_FLAGS' 1424 | enum trace_iterator_flags { TRACE_FLAGS }; | ^~~~~~~~~~~ In file included from <command-line>: In function 'tracer_alloc_buffers', inlined from 'early_trace_init' at kernel/trace/trace.c:11144:2: >> include/linux/compiler_types.h:572:45: error: call to >> '__compiletime_assert_557' declared with attribute error: BUILD_BUG_ON >> failed: TRACE_ITER_LAST_BIT > TRACE_FLAGS_MAX_SIZE 572 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:553:25: note: in definition of macro '__compiletime_assert' 553 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:572:9: note: in expansion of macro '_compiletime_assert' 572 | _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) | ^~~~~~~~~~~~~~~~ kernel/trace/trace.c:10983:9: note: in expansion of macro 'BUILD_BUG_ON' 10983 | BUILD_BUG_ON(TRACE_ITER_LAST_BIT > TRACE_FLAGS_MAX_SIZE); | ^~~~~~~~~~~~ vim +1422 kernel/trace/trace.h a3418a364ec3c8f Steven Rostedt (Red Hat 2015-09-29 1416) a3418a364ec3c8f Steven Rostedt (Red Hat 2015-09-29 1417) /* a3418a364ec3c8f Steven Rostedt (Red Hat 2015-09-29 1418) * By redefining C, we can make TRACE_FLAGS a list of masks that a3418a364ec3c8f Steven Rostedt (Red Hat 2015-09-29 1419) * use the bits as defined above. a3418a364ec3c8f Steven Rostedt (Red Hat 2015-09-29 1420) */ a3418a364ec3c8f Steven Rostedt (Red Hat 2015-09-29 1421) #undef C a3418a364ec3c8f Steven Rostedt (Red Hat 2015-09-29 @1422) #define C(a, b) TRACE_ITER_##a = (1 << TRACE_ITER_##a##_BIT) a3418a364ec3c8f Steven Rostedt (Red Hat 2015-09-29 1423) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
