[kbuild-all] Re: [PATCH 1/2] mm: move ioremap_page_range to vmalloc.c

Hi Christoph, I love your patch! Yet something to improve: [auto build test ERROR on v5.14-rc7] [cannot apply to hnaz-linux-mm/master next-20210824] [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] url: https://github.com/0day-ci/linux/commits/Christoph-Hellwig/mm-move-iorema... base: e22ce8eb631bdc47a4a4ea7ecf4e4ba499db4f93 config: riscv-randconfig-s032-20210824 (attached as .config) compiler: riscv64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-348-gf0e6938b-dirty # https://github.com/0day-ci/linux/commit/bb163539c969c4a902dbbe9e3bfd81ae0... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Christoph-Hellwig/mm-move-ioremap_page_range-to-vmalloc-c/20210824-181347 git checkout bb163539c969c4a902dbbe9e3bfd81ae00ee8c6e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): 14 | void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot) | ^~~~~~~~~~~~ In file included from arch/riscv/include/asm/io.h:136, from include/linux/io.h:13, from mm/ioremap.c:11: 959 | #define iounmap iounmap | ^~~~~~~ mm/ioremap.c:45:6: note: in expansion of macro 'iounmap' 45 | void iounmap(volatile void __iomem *addr) | ^~~~~~~ include/asm-generic/io.h:959:17: note: previous definition of 'iounmap' with type 'void(void *)' 959 | #define iounmap iounmap | ^~~~~~~ include/asm-generic/io.h:960:20: note: in expansion of macro 'iounmap' 960 | static inline void iounmap(void __iomem *addr) | ^~~~~~~ vim +959 include/asm-generic/io.h 3f7e212df82ca04 Arnd Bergmann 2009-05-13 957 b3ada9d0ce8d286 Greentime Hu 2017-11-22 958 #ifndef iounmap b3ada9d0ce8d286 Greentime Hu 2017-11-22 @959 #define iounmap iounmap b3ada9d0ce8d286 Greentime Hu 2017-11-22 960 static inline void iounmap(void __iomem *addr) b3ada9d0ce8d286 Greentime Hu 2017-11-22 961 { b3ada9d0ce8d286 Greentime Hu 2017-11-22 962 } b3ada9d0ce8d286 Greentime Hu 2017-11-22 963 #endif 80b0ca98f91ddbc Christoph Hellwig 2019-08-13 964 #elif defined(CONFIG_GENERIC_IOREMAP) ca5999fde0a1761 Mike Rapoport 2020-06-08 965 #include <linux/pgtable.h> 80b0ca98f91ddbc Christoph Hellwig 2019-08-13 966 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org