linux-kernel - ld.lld: error: undefined symbol: cpu_arm925_suspend

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Date:   Thu, 10 Feb 2022 20:35:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Thierry Reding <treding@...dia.com>
Subject: ld.lld: error: undefined symbol: cpu_arm925_suspend_size

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f4bc5bbb5fef3cf421ba3485d6d383c27ec473ed
commit: faae6c9f2e68e62687636a7d6e0517b3bf594add cpuidle: tegra: Enable compile testing
date:   4 months ago
config: arm-buildonly-randconfig-r004-20220210 (https://download.01.org/0day-ci/archive/20220210/202202102039.wkitu2Mo-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project aa845d7a245d85c441d0bd44fc7b6c3be8f3de8d)
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/torvalds/linux.git/commit/?id=faae6c9f2e68e62687636a7d6e0517b3bf594add
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout faae6c9f2e68e62687636a7d6e0517b3bf594add
        # save the config file to linux build tree
        mkdir build_dir
        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: warning: lld uses blx instruction, no object with architecture supporting feature detected
   ld.lld: warning: lld uses blx instruction, no object with architecture supporting feature detected
>> ld.lld: error: undefined symbol: cpu_arm925_suspend_size
   >>> referenced by kernel/sleep.o:(.text+0x68) in archive arch/arm/built-in.a
--
>> ld.lld: error: undefined symbol: cpu_arm925_do_suspend
   >>> referenced by suspend.c
   >>> kernel/suspend.o:(__cpu_suspend_save) in archive arch/arm/built-in.a
--
>> ld.lld: error: undefined symbol: cpu_arm925_do_resume
   >>> referenced by suspend.c
   >>> kernel/suspend.o:(__cpu_suspend_save) in archive arch/arm/built-in.a

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for ARM_CPU_SUSPEND
   Depends on ARCH_SUSPEND_POSSIBLE
   Selected by
   - ARM_TEGRA_CPUIDLE && CPU_IDLE && (ARM || ARM64) && (ARCH_TEGRA || COMPILE_TEST && !ARM64 && MMU

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org