Hi Alexandre, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.6-rc4 next-20231003] [cannot apply to efi/next] [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/Alexandre-Ghiti/riscv-Use-WRITE_ONCE-when-setting-page-table-entries/20231002-231725 base: linus/master patch link: https://lore.kernel.org/r/20231002151031.110551-3-alexghiti%40rivosinc.com patch subject: [PATCH 2/5] mm: Introduce pudp/p4dp/pgdp_get() functions config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20231003/202310031431.NkMgiRBL-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231003/202310031431.NkMgiRBL-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/202310031431.NkMgiRBL-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from include/linux/mm.h:29, from arch/arm/kernel/asm-offsets.c:12: >> include/linux/pgtable.h:310:21: error: 'pgdp_get' declared as function returning an array 310 | static inline pgd_t pgdp_get(pgd_t *pgdp) | ^~~~~~~~ In file included from ./arch/arm/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:246, from arch/arm/kernel/asm-offsets.c:10: include/linux/pgtable.h: In function 'pgdp_get': >> include/asm-generic/rwonce.h:48:2: warning: returning 'const volatile pmdval_t *' {aka 'const volatile unsigned int *'} from a function with return type 'int' makes integer from pointer without a cast [-Wint-conversion] 48 | ({ \ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 49 | compiletime_assert_rwonce_type(x); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 50 | __READ_ONCE(x); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 51 | }) | ~~ include/linux/pgtable.h:312:16: note: in expansion of macro 'READ_ONCE' 312 | return READ_ONCE(*pgdp); | ^~~~~~~~~ make[3]: *** [scripts/Makefile.build:116: arch/arm/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1202: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:234: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:234: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/pgdp_get +310 include/linux/pgtable.h 308 309 #ifndef pgdp_get > 310 static inline pgd_t pgdp_get(pgd_t *pgdp) 311 { 312 return READ_ONCE(*pgdp); 313 } 314 #endif 315 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
