* [atishp04:kvm_perf_rfc_buildtest 15/24] include/asm-generic/cmpxchg.h:76: undefined reference to `__generic_xchg_called_with_bad_pointer'
@ 2022-08-17 8:13 kernel test robot
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From: kernel test robot @ 2022-08-17 8:13 UTC (permalink / raw)
To: Atish Patra; +Cc: kbuild-all, Atish Patra, linux-kernel
tree: https://github.com/atishp04/linux kvm_perf_rfc_buildtest
head: ff2f56ec4ff4f67ae3da3936939b1dcf53099a6e
commit: 5faed77192c5455fe17fb4e6aea87e5bcc48a13d [15/24] COVER
config: microblaze-buildonly-randconfig-r006-20220717 (https://download.01.org/0day-ci/archive/20220817/202208171554.YLAVtmnV-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 12.1.0
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://github.com/atishp04/linux/commit/5faed77192c5455fe17fb4e6aea87e5bcc48a13d
git remote add atishp04 https://github.com/atishp04/linux
git fetch --no-tags atishp04 kvm_perf_rfc_buildtest
git checkout 5faed77192c5455fe17fb4e6aea87e5bcc48a13d
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=microblaze SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
microblaze-linux-ld: kernel/rcu/rcutorture.o: in function `__generic_xchg':
>> include/asm-generic/cmpxchg.h:76: undefined reference to `__generic_xchg_called_with_bad_pointer'
microblaze-linux-ld: kernel/trace/ring_buffer.o: in function `__generic_cmpxchg_local':
>> include/asm-generic/cmpxchg-local.h:24: undefined reference to `wrong_size_cmpxchg'
>> microblaze-linux-ld: include/asm-generic/cmpxchg-local.h:45: undefined reference to `wrong_size_cmpxchg'
vim +76 include/asm-generic/cmpxchg.h
b4816afa3986704 David Howells 2012-03-28 74
b4816afa3986704 David Howells 2012-03-28 75 default:
82b993e8249ae3c Mark Rutland 2021-05-25 @76 __generic_xchg_called_with_bad_pointer();
b4816afa3986704 David Howells 2012-03-28 77 return x;
b4816afa3986704 David Howells 2012-03-28 78 }
b4816afa3986704 David Howells 2012-03-28 79 }
b4816afa3986704 David Howells 2012-03-28 80
:::::: The code at line 76 was first introduced by commit
:::::: 82b993e8249ae3cb29c1b6eb8f6548f5748508b7 locking/atomic: cmpxchg: support ARCH_ATOMIC
:::::: TO: Mark Rutland <mark.rutland@arm.com>
:::::: CC: Peter Zijlstra <peterz@infradead.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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2022-08-17 8:13 [atishp04:kvm_perf_rfc_buildtest 15/24] include/asm-generic/cmpxchg.h:76: undefined reference to `__generic_xchg_called_with_bad_pointer' kernel test robot
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