linux-kernel - coherent.c:undefined reference to `memunmap'

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Date:   Sun, 4 Dec 2022 05:33:44 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark-PK Tsai <mark-pk.tsai@...iatek.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Mathieu Poirier <mathieu.poirier@...aro.org>
Subject: coherent.c:undefined reference to `memunmap'

Hi Mark-PK,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   97ee9d1c16963375eefdf964c429897d27e28956
commit: e61c451476e61450f6771ce03bbc01210a09be16 dma-mapping: Add dma_release_coherent_memory to DMA API
date:   5 months ago
config: s390-randconfig-r014-20221204
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 6e4cea55f0d1104408b26ac574566a0e4de48036)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e61c451476e61450f6771ce03bbc01210a09be16
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout e61c451476e61450f6771ce03bbc01210a09be16
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   s390x-linux-ld: kernel/dma/coherent.o: in function `dma_declare_coherent_memory':
   coherent.c:(.text+0x44): undefined reference to `memremap'
   s390x-linux-ld: coherent.c:(.text+0x10a): undefined reference to `memunmap'
   s390x-linux-ld: coherent.c:(.text+0x17e): undefined reference to `memunmap'
   s390x-linux-ld: kernel/dma/coherent.o: in function `dma_release_coherent_memory':
>> coherent.c:(.text+0x202): undefined reference to `memunmap'
   s390x-linux-ld: kernel/dma/coherent.o: in function `rmem_dma_device_init':
   coherent.c:(.text+0x7c0): undefined reference to `memremap'
   s390x-linux-ld: coherent.c:(.text+0x896): undefined reference to `memunmap'
   s390x-linux-ld: drivers/crypto/ccree/cc_driver.o: in function `ccree_probe':
   cc_driver.c:(.text+0x47a): undefined reference to `devm_ioremap_resource'
   s390x-linux-ld: drivers/crypto/ccree/cc_debugfs.o: in function `cc_debugfs_init':
   cc_debugfs.c:(.text+0x9a): undefined reference to `debugfs_create_regset32'
   s390x-linux-ld: cc_debugfs.c:(.text+0x15e): undefined reference to `debugfs_create_regset32'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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