linux-kernel - [arm-integrator:kernel-in-vmalloc-v5.18-rc1 8/17] ld.lld: error: undefined symbol: kernel_sec

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Date:   Mon, 23 May 2022 23:49:06 +0800
From:   kernel test robot <lkp@...el.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [arm-integrator:kernel-in-vmalloc-v5.18-rc1 8/17] ld.lld: error:
 undefined symbol: kernel_sec_start

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.18-rc1
head:   a9b76a04739b5b4dbad86664342c8945e83d8e95
commit: 06f73703766c6f636c79d04aae9f83446f1b8ff2 [8/17] ARM: Compile the kernel into VMALLOC
config: arm-randconfig-r021-20220522 (https://download.01.org/0day-ci/archive/20220523/202205232354.0am40aBc-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 10c9ecce9f6096e18222a331c5e7d085bd813f75)
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/linusw/linux-integrator.git/commit/?id=06f73703766c6f636c79d04aae9f83446f1b8ff2
        git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
        git fetch --no-tags arm-integrator kernel-in-vmalloc-v5.18-rc1
        git checkout 06f73703766c6f636c79d04aae9f83446f1b8ff2
        # 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 where applicable
Reported-by: kernel test robot <lkp@...el.com>

All error/warnings (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: kernel_sec_start
   >>> referenced by init.c
   >>>               mm/init.o:(arm_memblock_init) in archive arch/arm/built-in.a
   >>> referenced by init.c
   >>>               mm/init.o:(arm_memblock_init) in archive arch/arm/built-in.a
--
>> mm/gup.c:1599:28: warning: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion]
                           pages[i] = virt_to_page(start);
                                                   ^~~~~
   arch/arm/include/asm/memory.h:441:53: note: expanded from macro 'virt_to_page'
   #define virt_to_page(kaddr)     pfn_to_page(virt_to_pfn(kaddr))
                                                           ^~~~~
   include/asm-generic/memory_model.h:18:41: note: expanded from macro '__pfn_to_page'
   #define __pfn_to_page(pfn)      (mem_map + ((pfn) - ARCH_PFN_OFFSET))
                                                ^~~
   arch/arm/include/asm/memory.h:322:53: note: passing argument to parameter 'p' here
   static inline unsigned long virt_to_pfn(const void *p)
                                                       ^
   1 warning generated.
--
>> mm/nommu.c:501:36: warning: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion]
                   struct page *page = virt_to_page(from);
                                                    ^~~~
   arch/arm/include/asm/memory.h:441:53: note: expanded from macro 'virt_to_page'
   #define virt_to_page(kaddr)     pfn_to_page(virt_to_pfn(kaddr))
                                                           ^~~~~
   include/asm-generic/memory_model.h:18:41: note: expanded from macro '__pfn_to_page'
   #define __pfn_to_page(pfn)      (mem_map + ((pfn) - ARCH_PFN_OFFSET))
                                                ^~~
   arch/arm/include/asm/memory.h:322:53: note: passing argument to parameter 'p' here
   static inline unsigned long virt_to_pfn(const void *p)
                                                       ^
   1 warning generated.

-- 
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https://01.org/lkp