On 09/21/2019 09:30 PM, kbuild test robot wrote: > Hi Anshuman, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on linus/master] > [cannot apply to v5.3 next-20190919] > [if your patch is applied to the wrong git tree, please drop us a note to help > improve the system. BTW, we also suggest to use '--base' option to specify the > base tree in git format-patch, please see https://stackoverflow.com/a/37406982] > > url: https://github.com/0day-ci/linux/commits/Anshuman-Khandual/mm-debug-Add-tests-for-architecture-exported-page-table-helpers/20190920-143746 > config: ia64-allmodconfig (attached as .config) > compiler: ia64-linux-gcc (GCC) 7.4.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > GCC_VERSION=7.4.0 make.cross ARCH=ia64 > :::::: branch date: 3 hours ago > :::::: commit date: 3 hours ago > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All error/warnings (new ones prefixed by >>): > > In file included from include/asm-generic/pgtable-nopud.h:8:0, > from arch/ia64/include/asm/pgtable.h:591, > from include/linux/mm.h:99, > from include/linux/highmem.h:8, > from mm/arch_pgtable_test.c:14: > mm/arch_pgtable_test.c: In function 'pud_clear_tests': >>> include/asm-generic/pgtable-nop4d-hack.h:47:32: error: implicit declaration of function '__pgd'; did you mean '__p4d'? [-Werror=implicit-function-declaration] > #define __pud(x) ((pud_t) { __pgd(x) }) > ^ >>> mm/arch_pgtable_test.c:162:8: note: in expansion of macro '__pud' > pud = __pud(pud_val(pud) | RANDOM_ORVALUE); > ^~~~~ >>> include/asm-generic/pgtable-nop4d-hack.h:47:22: warning: missing braces around initializer [-Wmissing-braces] > #define __pud(x) ((pud_t) { __pgd(x) }) > ^ >>> mm/arch_pgtable_test.c:162:8: note: in expansion of macro '__pud' > pud = __pud(pud_val(pud) | RANDOM_ORVALUE); > ^~~~~ > cc1: some warnings being treated as errors > > # https://github.com/0day-ci/linux/commit/49047f93b076974eefa5b019311bd3b734d61f8c > git remote add linux-review https://github.com/0day-ci/linux > git remote update linux-review > git checkout 49047f93b076974eefa5b019311bd3b734d61f8c > vim +47 include/asm-generic/pgtable-nop4d-hack.h > > 30ec842660bd0d Kirill A. Shutemov 2017-03-09 45 > 30ec842660bd0d Kirill A. Shutemov 2017-03-09 46 #define pud_val(x) (pgd_val((x).pgd)) > 30ec842660bd0d Kirill A. Shutemov 2017-03-09 @47 #define __pud(x) ((pud_t) { __pgd(x) }) I had mentioned about this build failure in the cover letter. The same problem also exists on arm32 platform. - Anshuman
