tree: https://github.com/intel/linux-intel-lts.git 5.4/preempt-rt head: bb4ae19664a898236b2af46b45a6a0fea23ab20d commit: 7bc82c4f1b47c643468c3be1d9e0309d7c3e9b3f [3/13] Merge remote-tracking branch 'origin/5.4/yocto' into lts2019/yocto-rt config: powerpc64-randconfig-r016-20210610 (attached as .config) compiler: powerpc64le-linux-gcc (GCC) 9.3.0 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/intel/linux-intel-lts/commit/7bc82c4f1b47c643468c3be1d... git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-linux-intel-lts 5.4/preempt-rt git checkout 7bc82c4f1b47c643468c3be1d9e0309d7c3e9b3f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64 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 arch/powerpc/platforms/pseries/iommu.c:27: 181 | static DEFINE_LOCAL_IRQ_LOCK(tcp_page_lock); | ^~~~~~~~~~~~~ include/linux/locallock.h:244:60: note: in definition of macro 'DEFINE_LOCAL_IRQ_LOCK' 244 | #define DEFINE_LOCAL_IRQ_LOCK(lvar) __typeof__(const int) lvar | ^~~~ cc1: all warnings being treated as errors vim +/tcp_page_lock +181 arch/powerpc/platforms/pseries/iommu.c ^1da177e4c3f41 arch/ppc64/kernel/pSeries_iommu.c Linus Torvalds 2005-04-16 179 df015604cf5bb0 arch/powerpc/platforms/pseries/iommu.c Anton Blanchard 2013-10-17 180 static DEFINE_PER_CPU(__be64 *, tce_page); 3ab3ff1d185c02 arch/powerpc/platforms/pseries/iommu.c Sebastian Andrzej Siewior 2019-03-26 @181 static DEFINE_LOCAL_IRQ_LOCK(tcp_page_lock); ^1da177e4c3f41 arch/ppc64/kernel/pSeries_iommu.c Linus Torvalds 2005-04-16 182 :::::: The code at line 181 was first introduced by commit :::::: 3ab3ff1d185c02c51cfb22a22476d8c3791c8810 powerpc/pseries/iommu: Use a locallock instead local_irq_save() :::::: TO: Sebastian Andrzej Siewior <bigeasy(a)linutronix.de&gt; :::::: CC: Sebastian Andrzej Siewior <bigeasy(a)linutronix.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org