tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 47d9bb711707d15b19fad18c8e2b4b027a264a3a commit: de462526918b9c8d840cae797e9a8ff425c55c83 [10115/10848] microblaze: implement the new page table range API config: microblaze-randconfig-r032-20230821 (https://download.01.org/0day-ci/archive/20230822/202308220517.9ZeSFZc3-lkp@xxxxxxxxx/config) compiler: microblaze-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230822/202308220517.9ZeSFZc3-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/202308220517.9ZeSFZc3-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from kernel/signal.c:57: >> arch/microblaze/include/asm/cacheflush.h:77:13: warning: 'flush_dcache_folio' defined but not used [-Wunused-function] 77 | static void flush_dcache_folio(struct folio *folio) | ^~~~~~~~~~~~~~~~~~ -- arch/microblaze/kernel/ftrace.c:22:6: warning: no previous prototype for 'prepare_ftrace_return' [-Wmissing-prototypes] 22 | void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) | ^~~~~~~~~~~~~~~~~~~~~ In file included from arch/microblaze/kernel/ftrace.c:14: >> arch/microblaze/include/asm/cacheflush.h:77:13: warning: 'flush_dcache_folio' defined but not used [-Wunused-function] 77 | static void flush_dcache_folio(struct folio *folio) | ^~~~~~~~~~~~~~~~~~ vim +/flush_dcache_folio +77 arch/microblaze/include/asm/cacheflush.h 76 > 77 static void flush_dcache_folio(struct folio *folio) 78 { 79 unsigned long addr = folio_pfn(folio) << PAGE_SHIFT; 80 81 flush_dcache_range(addr, addr + folio_size(folio)); 82 } 83 #define flush_dcache_folio flush_dcache_folio 84 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki