tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y head: 81212a8abbf61ea75f691938b24d57cc1633e11c commit: a024e88f8ab79a7b7e15337096d4f5f77edc6a49 [749/1625] powerpc/barrier: Avoid collision with clang's __lwsync macro config: powerpc-randconfig-r005-20210813 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 62df4df41c939205b2dc0a2a3bfb75b8c1ed74fa) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gi... git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-5.10.y git checkout a024e88f8ab79a7b7e15337096d4f5f77edc6a49 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc 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 int proc_eeh_show(struct seq_file *m, void *v) ^ 1 error generated. -- static inline int get_cxl_module(void) { return 0; } ^ 1 error generated. vim +/proc_eeh_show +1568 arch/powerpc/kernel/eeh.c ec33d36e5ab5d5 arch/powerpc/kernel/eeh.c Gavin Shan 2015-03-26 1567 ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 @1568 static int proc_eeh_show(struct seq_file *m, void *v) ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 1569 { 2ec5a0adf60c23 arch/powerpc/kernel/eeh.c Gavin Shan 2014-02-12 1570 if (!eeh_enabled()) { ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 1571 seq_printf(m, "EEH Subsystem is globally disabled\n"); e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1572 seq_printf(m, "eeh_total_mmio_ffs=%llu\n", eeh_stats.total_mmio_ffs); ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 1573 } else { ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 1574 seq_printf(m, "EEH Subsystem is enabled\n"); 177bc9367efe89 arch/ppc64/kernel/eeh.c Linas Vepstas 2005-11-03 1575 seq_printf(m, e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1576 "no device=%llu\n" e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1577 "no device node=%llu\n" e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1578 "no config address=%llu\n" e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1579 "check not wanted=%llu\n" e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1580 "eeh_total_mmio_ffs=%llu\n" e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1581 "eeh_false_positives=%llu\n" e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1582 "eeh_slot_resets=%llu\n", e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1583 eeh_stats.no_device, e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1584 eeh_stats.no_dn, e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1585 eeh_stats.no_cfg_addr, e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1586 eeh_stats.ignored_check, e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1587 eeh_stats.total_mmio_ffs, e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1588 eeh_stats.false_positives, e575f8db1ed8e7 arch/powerpc/platforms/pseries/eeh.c Gavin Shan 2012-02-29 1589 eeh_stats.slot_resets); ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 1590 } ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 1591 ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 1592 return 0; ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 1593 } ^1da177e4c3f41 arch/ppc64/kernel/eeh.c Linus Torvalds 2005-04-16 1594 :::::: The code at line 1568 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org