Hi Balbir, [auto build test ERROR on powerpc/next] [also build test ERROR on v4.14-rc4 next-20171009] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Michael-Ellerman/powerpc-xmon-Support-dumping-software-pagetables/20171012-124024 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-ppc64e_defconfig (attached as .config) compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 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 make.cross ARCH=powerpc All error/warnings (new ones prefixed by >>): In file included from arch/powerpc/include/asm/nohash/pgtable.h:5:0, from arch/powerpc/include/asm/pgtable.h:18, from include/linux/memremap.h:7, from include/linux/mm.h:26, from arch/powerpc/xmon/xmon.c:18: arch/powerpc/xmon/xmon.c: In function 'show_pte': >> arch/powerpc/include/asm/nohash/64/pgtable.h:158:40: error: right shift >> count >= width of type [-Werror=shift-count-overflow] #define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & (PTRS_PER_PGD - 1)) ^ >> arch/powerpc/include/asm/nohash/64/pgtable.h:160:47: note: in expansion of >> macro 'pgd_index' #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) ^~~~~~~~~ >> arch/powerpc/include/asm/nohash/64/pgtable.h:173:31: note: in expansion of >> macro 'pgd_offset' #define pgd_offset_k(address) pgd_offset(&init_mm, address) ^~~~~~~~~~ >> arch/powerpc/xmon/xmon.c:2992:11: note: in expansion of macro 'pgd_offset_k' pgdir = pgd_offset_k(0); ^~~~~~~~~~~~ >> arch/powerpc/include/asm/nohash/64/pgtable.h:158:40: error: right shift >> count >= width of type [-Werror=shift-count-overflow] #define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & (PTRS_PER_PGD - 1)) ^ >> arch/powerpc/include/asm/nohash/64/pgtable.h:160:47: note: in expansion of >> macro 'pgd_index' #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) ^~~~~~~~~ >> arch/powerpc/xmon/xmon.c:2995:11: note: in expansion of macro 'pgd_offset' pgdir = pgd_offset(mm, 0); ^~~~~~~~~~ cc1: all warnings being treated as errors vim +/pgd_offset +173 arch/powerpc/include/asm/nohash/64/pgtable.h f281b5d5 arch/powerpc/include/asm/pgtable-ppc64.h Aneesh Kumar K.V 2015-12-01 153 f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 154 /* f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 155 * Find an entry in a page-table-directory. We combine the address region f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 156 * (the high order N bits) and the pgd portion of the address. f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 157 */ 0e5f35d0 arch/powerpc/include/asm/pgtable-ppc64.h Aneesh Kumar K.V 2013-04-28 @158 #define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & (PTRS_PER_PGD - 1)) f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 159 f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 @160 #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 161 f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 162 #define pmd_offset(pudp,addr) \ f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 163 (((pmd_t *) pud_page_vaddr(*(pudp))) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))) f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 164 f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 165 #define pte_offset_kernel(dir,addr) \ f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 166 (((pte_t *) pmd_page_vaddr(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 167 f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 168 #define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr)) f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 169 #define pte_unmap(pte) do { } while(0) f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 170 f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 171 /* to find an entry in a kernel page-table-directory */ f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 172 /* This now only contains the vmalloc pages */ f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 @173 #define pgd_offset_k(address) pgd_offset(&init_mm, address) 78f1dbde arch/powerpc/include/asm/pgtable-ppc64.h Aneesh Kumar K.V 2012-09-10 174 extern void hpte_need_flush(struct mm_struct *mm, unsigned long addr, 78f1dbde arch/powerpc/include/asm/pgtable-ppc64.h Aneesh Kumar K.V 2012-09-10 175 pte_t *ptep, unsigned long pte, int huge); f88df14b include/asm-powerpc/pgtable-ppc64.h David Gibson 2007-04-30 176 :::::: The code at line 173 was first introduced by commit :::::: f88df14b1f15cdeffa060580a40c1ce3e13bb79e [POWERPC] Remove arch/powerpc's dependence on asm-ppc/pg{alloc,table}.h :::::: TO: David Gibson <da...@gibson.dropbear.id.au> :::::: CC: Paul Mackerras <pau...@samba.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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