Hi Jani, kernel test robot noticed the following build errors: [auto build test ERROR on drm/drm-next] [also build test ERROR on drm-misc/drm-misc-next next-20240826] [cannot apply to linus/master v6.11-rc5] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jani-Nikula/drm-ensure-drm-headers-are-self-contained-and-pass-kernel-doc/20240826-134953 base: git://anongit.freedesktop.org/drm/drm drm-next patch link: https://lore.kernel.org/r/20240823141110.3431423-2-jani.nikula%40intel.com patch subject: [PATCH 2/2] drm: ensure drm headers are self-contained and pass kernel-doc config: sparc-allmodconfig (https://download.01.org/0day-ci/archive/20240826/202408262328.MknfI1MV-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240826/202408262328.MknfI1MV-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408262328.MknfI1MV-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/sparc/include/asm/pgtable_64.h:16, from arch/sparc/include/asm/pgtable.h:5, from include/linux/pgtable.h:6, from include/drm/ttm/ttm_caching.h:28, from <command-line>: include/asm-generic/pgtable-nop4d.h:9:18: error: unknown type name 'pgd_t'; did you mean 'pid_t'? 9 | typedef struct { pgd_t pgd; } p4d_t; | ^~~~~ | pid_t include/asm-generic/pgtable-nop4d.h:21:28: error: unknown type name 'pgd_t'; did you mean 'p4d_t'? 21 | static inline int pgd_none(pgd_t pgd) { return 0; } | ^~~~~ | p4d_t include/asm-generic/pgtable-nop4d.h:22:27: error: unknown type name 'pgd_t'; did you mean 'p4d_t'? 22 | static inline int pgd_bad(pgd_t pgd) { return 0; } | ^~~~~ | p4d_t include/asm-generic/pgtable-nop4d.h:23:31: error: unknown type name 'pgd_t'; did you mean 'p4d_t'? 23 | static inline int pgd_present(pgd_t pgd) { return 1; } | ^~~~~ | p4d_t include/asm-generic/pgtable-nop4d.h:24:30: error: unknown type name 'pgd_t'; did you mean 'p4d_t'? 24 | static inline void pgd_clear(pgd_t *pgd) { } | ^~~~~ | p4d_t include/asm-generic/pgtable-nop4d.h:35:33: error: unknown type name 'pgd_t'; did you mean 'p4d_t'? 35 | static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address) | ^~~~~ | p4d_t In file included from arch/sparc/include/asm/page.h:8, from arch/sparc/include/asm/pgtable_64.h:23: include/linux/pgtable.h: In function 'pud_offset': arch/sparc/include/asm/page_64.h:79:29: error: request for member 'pgd' in something not a structure or union 79 | #define pgd_val(x) ((x).pgd) | ^ arch/sparc/include/asm/page_64.h:147:60: note: in definition of macro '__va' 147 | #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) | ^ include/asm-generic/pgtable-nop4d.h:40:50: note: in expansion of macro 'pgd_val' 40 | #define p4d_val(x) (pgd_val((x).pgd)) | ^~~~~~~ arch/sparc/include/asm/pgtable_64.h:863:25: note: in expansion of macro 'p4d_val' 863 | ((pud_t *) __va(p4d_val(p4d))) | ^~~~~~~ include/linux/pgtable.h:133:16: note: in expansion of macro 'p4d_pgtable' 133 | return p4d_pgtable(*p4d) + pud_index(address); | ^~~~~~~~~~~ include/linux/pgtable.h: In function 'pmd_off': include/linux/pgtable.h:165:38: error: implicit declaration of function 'p4d_offset'; did you mean 'pud_offset'? [-Wimplicit-function-declaration] 165 | return pmd_offset(pud_offset(p4d_offset(pgd_offset(mm, va), va), va), va); | ^~~~~~~~~~ | pud_offset >> include/linux/pgtable.h:165:38: error: passing argument 1 of 'pud_offset' makes pointer from integer without a cast [-Wint-conversion] 165 | return pmd_offset(pud_offset(p4d_offset(pgd_offset(mm, va), va), va), va); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | int include/linux/pgtable.h:131:40: note: expected 'p4d_t *' but argument is of type 'int' 131 | static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) | ~~~~~~~^~~ include/linux/pgtable.h: In function 'pmd_off_k': include/linux/pgtable.h:170:38: error: passing argument 1 of 'pud_offset' makes pointer from integer without a cast [-Wint-conversion] 170 | return pmd_offset(pud_offset(p4d_offset(pgd_offset_k(va), va), va), va); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | int include/linux/pgtable.h:131:40: note: expected 'p4d_t *' but argument is of type 'int' 131 | static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) | ~~~~~~~^~~ include/linux/pgtable.h: In function 'p4d_same': arch/sparc/include/asm/page_64.h:79:29: error: request for member 'pgd' in something not a structure or union 79 | #define pgd_val(x) ((x).pgd) | ^ include/asm-generic/pgtable-nop4d.h:40:50: note: in expansion of macro 'pgd_val' 40 | #define p4d_val(x) (pgd_val((x).pgd)) | ^~~~~~~ include/linux/pgtable.h:1042:16: note: in expansion of macro 'p4d_val' 1042 | return p4d_val(p4d_a) == p4d_val(p4d_b); | ^~~~~~~ arch/sparc/include/asm/page_64.h:79:29: error: request for member 'pgd' in something not a structure or union 79 | #define pgd_val(x) ((x).pgd) | ^ include/asm-generic/pgtable-nop4d.h:40:50: note: in expansion of macro 'pgd_val' 40 | #define p4d_val(x) (pgd_val((x).pgd)) | ^~~~~~~ include/linux/pgtable.h:1042:34: note: in expansion of macro 'p4d_val' 1042 | return p4d_val(p4d_a) == p4d_val(p4d_b); | ^~~~~~~ include/linux/pgtable.h:1040:34: warning: parameter 'p4d_a' set but not used [-Wunused-but-set-parameter] 1040 | static inline int p4d_same(p4d_t p4d_a, p4d_t p4d_b) | ~~~~~~^~~~~ include/linux/pgtable.h:1040:47: warning: parameter 'p4d_b' set but not used [-Wunused-but-set-parameter] 1040 | static inline int p4d_same(p4d_t p4d_a, p4d_t p4d_b) | ~~~~~~^~~~~ include/linux/pgtable.h: In function 'pgd_none_or_clear_bad': include/linux/pgtable.h:1240:13: error: implicit declaration of function 'pgd_none'; did you mean 'p4d_none'? [-Wimplicit-function-declaration] 1240 | if (pgd_none(*pgd)) | ^~~~~~~~ | p4d_none In file included from arch/sparc/include/asm/pgtable_64.h:17: include/linux/pgtable.h:1242:22: error: implicit declaration of function 'pgd_bad'; did you mean 'pmd_bad'? [-Wimplicit-function-declaration] 1242 | if (unlikely(pgd_bad(*pgd))) { | ^~~~~~~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/pgtable.h: In function 'p4d_none_or_clear_bad': arch/sparc/include/asm/page_64.h:79:29: error: request for member 'pgd' in something not a structure or union 79 | #define pgd_val(x) ((x).pgd) | ^ include/asm-generic/pgtable-nop4d.h:40:50: note: in expansion of macro 'pgd_val' 40 | #define p4d_val(x) (pgd_val((x).pgd)) | ^~~~~~~ arch/sparc/include/asm/pgtable_64.h:813:43: note: in expansion of macro 'p4d_val' 813 | #define p4d_none(p4d) (!p4d_val(p4d)) | ^~~~~~~ include/linux/pgtable.h:1251:13: note: in expansion of macro 'p4d_none' 1251 | if (p4d_none(*p4d)) | ^~~~~~~~ arch/sparc/include/asm/page_64.h:79:29: error: request for member 'pgd' in something not a structure or union 79 | #define pgd_val(x) ((x).pgd) | ^ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/asm-generic/pgtable-nop4d.h:40:50: note: in expansion of macro 'pgd_val' 40 | #define p4d_val(x) (pgd_val((x).pgd)) | ^~~~~~~ arch/sparc/include/asm/pgtable_64.h:815:42: note: in expansion of macro 'p4d_val' 815 | #define p4d_bad(p4d) (p4d_val(p4d) & ~PAGE_MASK) | ^~~~~~~ include/linux/pgtable.h:1253:22: note: in expansion of macro 'p4d_bad' 1253 | if (unlikely(p4d_bad(*p4d))) { | ^~~~~~~ vim +/pud_offset +165 include/linux/pgtable.h 974b9b2c68f3d3 Mike Rapoport 2020-06-08 155 e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 156 /* e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 157 * In many cases it is known that a virtual address is mapped at PMD or PTE e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 158 * level, so instead of traversing all the page table levels, we can get a e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 159 * pointer to the PMD entry in user or kernel page table or translate a virtual e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 160 * address to the pointer in the PTE in the kernel page tables with simple e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 161 * helpers. e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 162 */ e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 163 static inline pmd_t *pmd_off(struct mm_struct *mm, unsigned long va) e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 164 { e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 @165 return pmd_offset(pud_offset(p4d_offset(pgd_offset(mm, va), va), va), va); e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 166 } e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 167 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki