linux-kernel - [rppt:fixes/arm-ioremap-pfn-valid-v2 1/1] ld.lld: error: undefined symbol: arch_memremap_can_ram

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Message-ID: <202204251950.LxDogI1Q-lkp@intel.com>
Date:   Mon, 25 Apr 2022 19:09:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mike Rapoport <rppt@...ux.ibm.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        Mike Rapoport <rppt@...nel.org>, linux-kernel@...r.kernel.org
Subject: [rppt:fixes/arm-ioremap-pfn-valid-v2 1/1] ld.lld: error: undefined
 symbol: arch_memremap_can_ram_remap

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git fixes/arm-ioremap-pfn-valid-v2
head:   7c4b7785fd9fb0564245417bbca100f3e88e48a9
commit: 7c4b7785fd9fb0564245417bbca100f3e88e48a9 [1/1] arm[64]/memremap: don't abuse pfn_valid() to ensure presence of linear map
config: arm-buildonly-randconfig-r006-20220425 (https://download.01.org/0day-ci/archive/20220425/202204251950.LxDogI1Q-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818)
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 arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git/commit/?id=7c4b7785fd9fb0564245417bbca100f3e88e48a9
        git remote add rppt https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git
        git fetch --no-tags rppt fixes/arm-ioremap-pfn-valid-v2
        git checkout 7c4b7785fd9fb0564245417bbca100f3e88e48a9
        # 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=arm SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: arch_memremap_can_ram_remap
   >>> referenced by iomem.c
   >>>               iomem.o:(memremap) in archive kernel/built-in.a

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