Re: [PATCH v6 10/19] s390: mm: Convert to GENERIC_IOREMAP

kernel test robot
2023-06-09T17:44:04Z

Hi Baoquan,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]

url: https://github.com/intel-lab-lkp/linux/commits/Baoquan-He/asm-generic-iomap-h-remove-ARCH_HAS_IOREMAP_xx-macros/20230609-160014
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20230609075528.9390-11-bhe%40redhat.com
patch subject: [PATCH v6 10/19] s390: mm: Convert to GENERIC_IOREMAP
config: s390-defconfig (https://download.01.org/0day-ci/archive/20230610/202306100105.8GHnoMCP-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
mkdir -p ~/bin
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git
git fetch akpm-mm mm-everything
git checkout akpm-mm/mm-everything
b4 shazam https://lore.kernel.org/r/20230609075528.9390-11-bhe@redhat.com
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash arch/s390/

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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306100105.8GHnoMCP-lkp@intel.com/

All errors (new ones prefixed by >>):

In file included from arch/s390/kernel/perf_cpum_sf.c:25:
include/asm-generic/io.h: In function 'ioremap':
>> include/asm-generic/io.h:1089:41: error: '_PAGE_IOREMAP' undeclared (first use in this function); did you mean 'VM_IOREMAP'?
1089 | return ioremap_prot(addr, size, _PAGE_IOREMAP);
| ^~~~~~~~~~~~~
| VM_IOREMAP
include/asm-generic/io.h:1089:41: note: each undeclared identifier is reported only once for each function it appears in

vim +1089 include/asm-generic/io.h

80b0ca98f91ddb Christoph Hellwig 2019-08-13 1083
2fe481688890d6 Baoquan He 2023-06-09 1084 #ifndef ioremap
2fe481688890d6 Baoquan He 2023-06-09 1085 #define ioremap ioremap
80b0ca98f91ddb Christoph Hellwig 2019-08-13 1086 static inline void __iomem *ioremap(phys_addr_t addr, size_t size)
80b0ca98f91ddb Christoph Hellwig 2019-08-13 1087 {
80b0ca98f91ddb Christoph Hellwig 2019-08-13 1088 /* _PAGE_IOREMAP needs to be supplied by the architecture */
80b0ca98f91ddb Christoph Hellwig 2019-08-13 @1089 return ioremap_prot(addr, size, _PAGE_IOREMAP);
80b0ca98f91ddb Christoph Hellwig 2019-08-13 1090 }
2fe481688890d6 Baoquan He 2023-06-09 1091 #endif
80b0ca98f91ddb Christoph Hellwig 2019-08-13 1092 #endif /* !CONFIG_MMU || CONFIG_GENERIC_IOREMAP */
97c9801a15e5b0 Christoph Hellwig 2019-08-11 1093

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