tree: https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git perf/core head: 65f8d08cf838df3c3d728cdef908090237931496 commit: af2b24f228a0373ac65eb7a502e0bc31e2c0269d [45/46] perf powerpc: Add data source encodings for power10 platform config: powerpc64-buildonly-randconfig-r003-20220109 (https://download.01.org/0day-ci/archive/20220110/202201102122.s9aPc0vp-lk...) compiler: powerpc64-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://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git/commit/?id... git remote add acme https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git git fetch --no-tags acme perf/core git checkout af2b24f228a0373ac65eb7a502e0bc31e2c0269d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/perf/ 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 include/linux/perf_event.h:17, from arch/powerpc/perf/isa207-common.h:12, from arch/powerpc/perf/isa207-common.c:9: arch/powerpc/perf/isa207-common.c: In function 'isa207_find_source': 1339 | (((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT) | ^~~~~~~~~ arch/powerpc/perf/isa207-common.h:273:41: note: in expansion of macro 'PERF_MEM_S' 273 | #define P(a, b) PERF_MEM_S(a, b) | ^~~~~~~~~~ arch/powerpc/perf/isa207-common.c:240:79: note: in expansion of macro 'P' 240 | ret |= PH(LVL, REM_RAM1) | REM | LEVEL(RAM) | P(HOPS, 2); | ^ include/uapi/linux/perf_event.h:1339:18: note: each undeclared identifier is reported only once for each function it appears in 1339 | (((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT) | ^~~~~~~~~ arch/powerpc/perf/isa207-common.h:273:41: note: in expansion of macro 'PERF_MEM_S' 273 | #define P(a, b) PERF_MEM_S(a, b) | ^~~~~~~~~~ arch/powerpc/perf/isa207-common.c:240:79: note: in expansion of macro 'P' 240 | ret |= PH(LVL, REM_RAM1) | REM | LEVEL(RAM) | P(HOPS, 2); | ^ 1339 | (((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT) | ^~~~~~~~~ arch/powerpc/perf/isa207-common.h:273:41: note: in expansion of macro 'PERF_MEM_S' 273 | #define P(a, b) PERF_MEM_S(a, b) | ^~~~~~~~~~ arch/powerpc/perf/isa207-common.c:244:79: note: in expansion of macro 'P' 244 | ret |= PH(LVL, REM_RAM2) | REM | LEVEL(RAM) | P(HOPS, 3); | ^ vim +1339 include/uapi/linux/perf_event.h fec9cc6175d0ec Kajol Jain 2021-10-06 1337 d6be9ad6c960f4 Stephane Eranian 2013-01-24 1338 #define PERF_MEM_S(a, s) \ 0d9dfc23f4d8c1 Mike Frysinger 2014-01-23 @1339 (((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT) d6be9ad6c960f4 Stephane Eranian 2013-01-24 1340 :::::: The code at line 1339 was first introduced by commit :::::: 0d9dfc23f4d8c17365c84eb48ecca28b963ba192 uapi: convert u64 to __u64 in exported headers :::::: TO: Mike Frysinger <vapier(a)gentoo.org&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org