arm-linux-gnueabihf-ld: kernel/rcu/update.o:update.c:(.text+0x1cc4): more undefined references to `__bad_cmpxchg' follow

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The arm builds failed on Linux next with gcc-13 and clang-18.

Config: arm imx_v6_v7_defconfig - failed

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

Build log:
-----
arm-linux-gnueabihf-ld: kernel/rcu/update.o: in function
`rcu_trc_cmpxchg_need_qs':
update.c:(.text+0x348): undefined reference to `__bad_cmpxchg'
arm-linux-gnueabihf-ld: kernel/rcu/update.o: in function
`rcu_read_unlock_trace_special':
update.c:(.text+0x41c): undefined reference to `__bad_cmpxchg'
arm-linux-gnueabihf-ld: kernel/rcu/update.o: in function
`trc_read_check_handler':
update.c:(.text+0x4b0): undefined reference to `__bad_cmpxchg'
arm-linux-gnueabihf-ld: kernel/rcu/update.o: in function `trc_inspect_reader':
update.c:(.text+0x1518): undefined reference to `__bad_cmpxchg'
arm-linux-gnueabihf-ld: update.c:(.text+0x1548): undefined reference
to `__bad_cmpxchg'
arm-linux-gnueabihf-ld: kernel/rcu/update.o:update.c:(.text+0x1cc4):
more undefined references to `__bad_cmpxchg' follow
make[3]: *** [/builds/linux/scripts/Makefile.vmlinux:34: vmlinux] Error 1

metadata:
  git_describe: next-20240529
  git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
  git_short_log: 9d99040b1bc8 ("Add linux-next specific files for 20240529")
  job_url: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/builds/2h944W0LTbtfMPlDNiOq17hXpQ8

Links:
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240529/testrun/24129266/suite/build/test/gcc-13-imx_v6_v7_defconfig/history/
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240529/testrun/24129266/suite/build/test/gcc-13-imx_v6_v7_defconfig/log


--
Linaro LKFT
https://lkft.linaro.org




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