Hi Sergey, Thank you for the patch! Yet something to improve: [auto build test ERROR on net-next/master] [also build test ERROR on net/master linus/master v5.5-rc5 next-20200109] [cannot apply to xen-tip/linux-next] [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/Sergey-Dyasli/basic-KASAN-support-for-Xen-PV-domains/20200110-042623 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 4a4a52d49d11f5c4a0df8b9806c8c5563801f753 config: s390-allmodconfig (attached as .config) compiler: s390-linux-gcc (GCC) 7.5.0 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=7.5.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): mm//kasan/init.c: In function 'set_pmd_early_shadow': >> mm//kasan/init.c:90:3: error: implicit declaration of function 'set_pmd'; did you mean 'get_pid'? [-Werror=implicit-function-declaration] set_pmd(pmd, __pmd(__pa(early_shadow) | _PAGE_TABLE)); ^~~~~~~ get_pid In file included from arch/s390/include/asm/thread_info.h:26:0, from include/linux/thread_info.h:38, from arch/s390/include/asm/preempt.h:6, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/mm.h:10, from include/linux/memblock.h:13, from mm//kasan/init.c:14: mm//kasan/init.c:90:43: error: '_PAGE_TABLE' undeclared (first use in this function); did you mean 'NR_PAGETABLE'? set_pmd(pmd, __pmd(__pa(early_shadow) | _PAGE_TABLE)); ^ arch/s390/include/asm/page.h:96:37: note: in definition of macro '__pmd' #define __pmd(x) ((pmd_t) { (x) } ) ^ mm//kasan/init.c:90:43: note: each undeclared identifier is reported only once for each function it appears in set_pmd(pmd, __pmd(__pa(early_shadow) | _PAGE_TABLE)); ^ arch/s390/include/asm/page.h:96:37: note: in definition of macro '__pmd' #define __pmd(x) ((pmd_t) { (x) } ) ^ cc1: some warnings being treated as errors vim +90 mm//kasan/init.c 83 84 static inline void set_pmd_early_shadow(pmd_t *pmd) 85 { 86 static bool pmd_populated = false; 87 pte_t *early_shadow = lm_alias(kasan_early_shadow_pte); 88 89 if (likely(pmd_populated)) { > 90 set_pmd(pmd, __pmd(__pa(early_shadow) | _PAGE_TABLE)); 91 } else { 92 pmd_populate_kernel(&init_mm, pmd, early_shadow); 93 pmd_populated = true; 94 } 95 } 96 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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