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Date:   Sat, 27 Feb 2021 18:24:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>
Subject: mmu.c:undefined reference to `patch__hash_page_A0'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3fb6d0e00efc958d01c2f109c8453033a2d96796
commit: 259149cf7c3c6195e6199e045ca988c31d081cab powerpc/32s: Only build hash code when CONFIG_PPC_BOOK3S_604 is selected
date:   4 weeks ago
config: powerpc64-randconfig-r013-20210227 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 9.3.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=259149cf7c3c6195e6199e045ca988c31d081cab
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 259149cf7c3c6195e6199e045ca988c31d081cab
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64 

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 >>):

   powerpc-linux-ld: arch/powerpc/mm/book3s32/mmu.o: in function `MMU_init_hw_patch':
>> mmu.c:(.init.text+0x75e): undefined reference to `patch__hash_page_A0'
>> powerpc-linux-ld: mmu.c:(.init.text+0x76a): undefined reference to `patch__hash_page_A0'
>> powerpc-linux-ld: mmu.c:(.init.text+0x776): undefined reference to `patch__hash_page_A1'
   powerpc-linux-ld: mmu.c:(.init.text+0x782): undefined reference to `patch__hash_page_A1'
>> powerpc-linux-ld: mmu.c:(.init.text+0x78e): undefined reference to `patch__hash_page_A2'
   powerpc-linux-ld: mmu.c:(.init.text+0x79a): undefined reference to `patch__hash_page_A2'
>> powerpc-linux-ld: mmu.c:(.init.text+0x7aa): undefined reference to `patch__hash_page_B'
   powerpc-linux-ld: mmu.c:(.init.text+0x7b6): undefined reference to `patch__hash_page_B'
>> powerpc-linux-ld: mmu.c:(.init.text+0x7c2): undefined reference to `patch__hash_page_C'
   powerpc-linux-ld: mmu.c:(.init.text+0x7ce): undefined reference to `patch__hash_page_C'
>> powerpc-linux-ld: mmu.c:(.init.text+0x7da): undefined reference to `patch__flush_hash_A0'
   powerpc-linux-ld: mmu.c:(.init.text+0x7e6): undefined reference to `patch__flush_hash_A0'
>> powerpc-linux-ld: mmu.c:(.init.text+0x7f2): undefined reference to `patch__flush_hash_A1'
   powerpc-linux-ld: mmu.c:(.init.text+0x7fe): undefined reference to `patch__flush_hash_A1'
>> powerpc-linux-ld: mmu.c:(.init.text+0x80a): undefined reference to `patch__flush_hash_A2'
   powerpc-linux-ld: mmu.c:(.init.text+0x816): undefined reference to `patch__flush_hash_A2'
>> powerpc-linux-ld: mmu.c:(.init.text+0x83e): undefined reference to `patch__flush_hash_B'
   powerpc-linux-ld: mmu.c:(.init.text+0x84e): undefined reference to `patch__flush_hash_B'
   powerpc-linux-ld: arch/powerpc/mm/book3s32/mmu.o: in function `update_mmu_cache':
>> mmu.c:(.text.update_mmu_cache+0xa0): undefined reference to `add_hash_page'

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

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