Hi Jani, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [cannot apply to drm/drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes linus/master v6.8-rc7 next-20240306] [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-crtc-make-drm_crtc_internal-h-self-contained/20240307-023603 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/e22ab28836ee1689ea4781ed53fd2e4e4f84728e.1709749576.git.jani.nikula%40intel.com patch subject: [PATCH 22/22] drm: ensure drm headers are self-contained and pass kernel-doc config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240307/202403071317.uoW18ZR3-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240307/202403071317.uoW18ZR3-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/202403071317.uoW18ZR3-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from include/asm-generic/pgtable-nopud.h:7, from arch/m68k/include/asm/pgtable_mm.h:9, from arch/m68k/include/asm/pgtable.h:8, 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' 9 | typedef struct { pgd_t pgd; } p4d_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/m68k/include/asm/thread_info.h:6, from include/linux/thread_info.h:60, from include/asm-generic/preempt.h:5, from ./arch/m68k/include/generated/asm/preempt.h:1, from include/linux/preempt.h:79, from arch/m68k/include/asm/processor.h:11, from arch/m68k/include/asm/pgtable_mm.h:15: arch/m68k/include/asm/motorola_pgtable.h: In function 'pud_set': >> arch/m68k/include/asm/page.h:46:29: error: request for member 'pgd' in something not a structure or union 46 | #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/asm-generic/pgtable-nopud.h:48:50: note: in expansion of macro 'p4d_val' 48 | #define pud_val(x) (p4d_val((x).p4d)) | ^~~~~~~ arch/m68k/include/asm/motorola_pgtable.h:103:9: note: in expansion of macro 'pud_val' 103 | pud_val(*pudp) = _PAGE_TABLE | _PAGE_ACCESSED | __pa(pmdp); | ^~~~~~~ include/linux/pgtable.h: In function 'pmd_offset': >> arch/m68k/include/asm/page.h:46:29: error: request for member 'pgd' in something not a structure or union 46 | #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/asm-generic/pgtable-nopud.h:48:50: note: in expansion of macro 'p4d_val' 48 | #define pud_val(x) (p4d_val((x).p4d)) | ^~~~~~~ arch/m68k/include/asm/motorola_pgtable.h:108:41: note: in expansion of macro 'pud_val' 108 | #define pud_pgtable(pud) ((pmd_t *)__va(pud_val(pud) & _TABLE_MASK)) | ^~~~~~~ include/linux/pgtable.h:123:16: note: in expansion of macro 'pud_pgtable' 123 | return pud_pgtable(*pud) + pmd_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 'pmd_offset'? [-Werror=implicit-function-declaration] 165 | return pmd_offset(pud_offset(p4d_offset(pgd_offset(mm, va), va), va), va); | ^~~~~~~~~~ | pmd_offset >> include/linux/pgtable.h:165:38: warning: 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/asm-generic/pgtable-nopud.h:42:40: note: expected 'p4d_t *' but argument is of type 'int' 42 | 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: warning: 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/asm-generic/pgtable-nopud.h:42:40: note: expected 'p4d_t *' but argument is of type 'int' 42 | static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) | ~~~~~~~^~~ include/linux/pgtable.h: In function 'pud_same': >> arch/m68k/include/asm/page.h:46:29: error: request for member 'pgd' in something not a structure or union 46 | #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/asm-generic/pgtable-nopud.h:48:50: note: in expansion of macro 'p4d_val' 48 | #define pud_val(x) (p4d_val((x).p4d)) | ^~~~~~~ include/linux/pgtable.h:829:16: note: in expansion of macro 'pud_val' 829 | return pud_val(pud_a) == pud_val(pud_b); | ^~~~~~~ >> arch/m68k/include/asm/page.h:46:29: error: request for member 'pgd' in something not a structure or union 46 | #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/asm-generic/pgtable-nopud.h:48:50: note: in expansion of macro 'p4d_val' 48 | #define pud_val(x) (p4d_val((x).p4d)) | ^~~~~~~ include/linux/pgtable.h:829:34: note: in expansion of macro 'pud_val' 829 | return pud_val(pud_a) == pud_val(pud_b); | ^~~~~~~ >> include/linux/pgtable.h:827:34: warning: parameter 'pud_a' set but not used [-Wunused-but-set-parameter] 827 | static inline int pud_same(pud_t pud_a, pud_t pud_b) | ~~~~~~^~~~~ >> include/linux/pgtable.h:827:47: warning: parameter 'pud_b' set but not used [-Wunused-but-set-parameter] 827 | static inline int pud_same(pud_t pud_a, pud_t pud_b) | ~~~~~~^~~~~ include/linux/pgtable.h: In function 'p4d_same': >> arch/m68k/include/asm/page.h:46:29: error: request for member 'pgd' in something not a structure or union 46 | #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:837:16: note: in expansion of macro 'p4d_val' 837 | return p4d_val(p4d_a) == p4d_val(p4d_b); | ^~~~~~~ >> arch/m68k/include/asm/page.h:46:29: error: request for member 'pgd' in something not a structure or union 46 | #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:837:34: note: in expansion of macro 'p4d_val' 837 | return p4d_val(p4d_a) == p4d_val(p4d_b); | ^~~~~~~ >> include/linux/pgtable.h:835:34: warning: parameter 'p4d_a' set but not used [-Wunused-but-set-parameter] 835 | static inline int p4d_same(p4d_t p4d_a, p4d_t p4d_b) | ~~~~~~^~~~~ >> include/linux/pgtable.h:835:47: warning: parameter 'p4d_b' set but not used [-Wunused-but-set-parameter] 835 | 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:1021:13: error: implicit declaration of function 'pgd_none'; did you mean 'p4d_none'? [-Werror=implicit-function-declaration] 1021 | if (pgd_none(*pgd)) | ^~~~~~~~ | p4d_none In file included from include/linux/export.h:5, from include/linux/linkage.h:7, from include/linux/preempt.h:10: >> include/linux/pgtable.h:1023:22: error: implicit declaration of function 'pgd_bad'; did you mean 'p4d_bad'? [-Werror=implicit-function-declaration] 1023 | 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 'pud_none_or_clear_bad': >> arch/m68k/include/asm/page.h:46:29: error: request for member 'pgd' in something not a structure or union 46 | #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/asm-generic/pgtable-nopud.h:48:50: note: in expansion of macro 'p4d_val' 48 | #define pud_val(x) (p4d_val((x).p4d)) | ^~~~~~~ arch/m68k/include/asm/motorola_pgtable.h:134:35: note: in expansion of macro 'pud_val' 134 | #define pud_none(pud) (!pud_val(pud)) | ^~~~~~~ include/linux/pgtable.h:1043:13: note: in expansion of macro 'pud_none' 1043 | if (pud_none(*pud)) | ^~~~~~~~ >> arch/m68k/include/asm/page.h:46:29: error: request for member 'pgd' in something not a structure or union 46 | #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)) | ^~~~~~~ include/asm-generic/pgtable-nopud.h:48:50: note: in expansion of macro 'p4d_val' 48 | #define pud_val(x) (p4d_val((x).p4d)) | ^~~~~~~ arch/m68k/include/asm/motorola_pgtable.h:135:35: note: in expansion of macro 'pud_val' 135 | #define pud_bad(pud) ((pud_val(pud) & _DESCTYPE_MASK) != _PAGE_TABLE) | ^~~~~~~ include/linux/pgtable.h:1045:22: note: in expansion of macro 'pud_bad' 1045 | if (unlikely(pud_bad(*pud))) { | ^~~~~~~ cc1: some warnings being treated as errors vim +/pgd_t +9 include/asm-generic/pgtable-nop4d.h 048456dcf2c56a Kirill A. Shutemov 2017-03-09 8 048456dcf2c56a Kirill A. Shutemov 2017-03-09 @9 typedef struct { pgd_t pgd; } p4d_t; 048456dcf2c56a Kirill A. Shutemov 2017-03-09 10 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki