linux-kernel - [mark:arm64/undef/rework 9/9] ld.lld: error: undefined symbol: try_emulate_armv8

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Date:   Tue, 27 Sep 2022 19:26:25 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [mark:arm64/undef/rework 9/9] ld.lld: error: undefined symbol:
 try_emulate_armv8_deprecated

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/undef/rework
head:   0a52fa07b5bf0adbdaf14c3b4c838de98daad64f
commit: 0a52fa07b5bf0adbdaf14c3b4c838de98daad64f [9/9] arm64: rework deprected instruction handling
config: arm64-randconfig-r013-20220926
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=0a52fa07b5bf0adbdaf14c3b4c838de98daad64f
        git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark arm64/undef/rework
        git checkout 0a52fa07b5bf0adbdaf14c3b4c838de98daad64f
        # 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=arm64 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 >>):

>> ld.lld: error: undefined symbol: try_emulate_armv8_deprecated
   >>> referenced by traps.c:466 (arch/arm64/kernel/traps.c:466)
   >>>               kernel/traps.o:(do_el0_undef) in archive arch/arm64/built-in.a

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

View attachment "config" of type "text/plain" (197375 bytes)