linux-kernel - Re: [PATCH v6 10/19] s390: mm: Convert to GENERIC

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Date:   Sat, 10 Jun 2023 01:42:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Baoquan He <bhe@...hat.com>, linux-kernel@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, linux-arch@...r.kernel.org,
        linux-mm@...ck.org, arnd@...db.de, christophe.leroy@...roup.eu,
        hch@....de, rppt@...nel.org, willy@...radead.org,
        agordeev@...ux.ibm.com, wangkefeng.wang@...wei.com,
        schnelle@...ux.ibm.com, David.Laight@...lab.com, shorne@...il.com,
        deller@....de, Baoquan He <bhe@...hat.com>,
        Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>, linux-s390@...r.kernel.org
Subject: Re: [PATCH v6 10/19] s390: mm: Convert to GENERIC_IOREMAP

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@...el.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  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki