tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 39a314cd1168cbcb05ebcd973098c8f1440a3064 commit: 0640b7608c394b849e21e4731c60a524e39b3202 [2867/3715] powerpc: add support for folded p4d page tables config: powerpc-randconfig-a001-20200422 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 0640b7608c394b849e21e4731c60a524e39b3202 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from arch/powerpc/include/asm/book3s/pgtable.h:8, from arch/powerpc/include/asm/pgtable.h:18, from include/linux/kasan.h:15, from arch/powerpc/mm/kasan/kasan_init_32.c:5: arch/powerpc/mm/kasan/kasan_init_32.c: In function 'kasan_unmap_early_shadow_vmalloc': >> arch/powerpc/include/asm/book3s/32/pgtable.h:361:45: error: passing argument 1 of 'pud_offset' from incompatible pointer type [-Werror=incompatible-pointer-types] 361 | #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~ | | | pgd_t * {aka struct <anonymous> *} >> arch/powerpc/include/asm/book3s/32/pgtable.h:357:31: note: in expansion of macro 'pgd_offset' 357 | #define pgd_offset_k(address) pgd_offset(&init_mm, address) | ^~~~~~~~~~ >> arch/powerpc/mm/kasan/kasan_init_32.c:124:38: note: in expansion of macro 'pgd_offset_k' 124 | pmd_t *pmd = pmd_offset(pud_offset(pgd_offset_k(k_cur), k_cur), k_cur); | ^~~~~~~~~~~~ In file included from include/asm-generic/pgtable-nopmd.h:7, from arch/powerpc/include/asm/book3s/32/pgtable.h:5, from arch/powerpc/include/asm/book3s/pgtable.h:8, from arch/powerpc/include/asm/pgtable.h:18, from include/linux/kasan.h:15, from arch/powerpc/mm/kasan/kasan_init_32.c:5: include/asm-generic/pgtable-nopud.h:45:40: note: expected 'p4d_t *' {aka 'struct <anonymous> *'} but argument is of type 'pgd_t *' {aka 'struct <anonymous> *'} 45 | static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) | ~~~~~~~^~~ cc1: all warnings being treated as errors vim +/pud_offset +361 arch/powerpc/include/asm/book3s/32/pgtable.h 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 350 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 351 #define pmd_page_vaddr(pmd) \ 32ea4c14999006 Christophe Leroy 2018-11-29 352 ((unsigned long)__va(pmd_val(pmd) & ~(PTE_TABLE_SIZE - 1))) 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 353 #define pmd_page(pmd) \ 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 354 pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT) 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 355 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 356 /* to find an entry in a kernel page-table-directory */ 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 @357 #define pgd_offset_k(address) pgd_offset(&init_mm, address) 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 358 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 359 /* to find an entry in a page-table-directory */ 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 360 #define pgd_index(address) ((address) >> PGDIR_SHIFT) 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 @361 #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) 3dfcb315d81e66 Aneesh Kumar K.V 2015-12-01 362 :::::: The code at line 361 was first introduced by commit :::::: 3dfcb315d81e663bf70401de61940c1b4de2deea powerpc/mm: make a separate copy for book3s :::::: TO: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> :::::: CC: Michael Ellerman <mpe@xxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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