[frederic-dynticks:kthread/core 2/23] ld.lld: error: duplicate symbol: housekeeping_flags

[frederic-dynticks:kthread/core 2/23] ld.lld: error: duplicate symbol: housekeeping_flags

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git kthread/core
head:   e8fa9a06cde680668da6763227a83c50ddac8b6b
commit: 3cabc4d30cdfa8b518ced3c6b8901e5905bc8489 [2/23] sched/isolation: Remove housekeeping static key
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20250604/202506041147.p4x5Ttp4-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
rustc: rustc 1.78.0 (9b00956e5 2024-04-29)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250604/202506041147.p4x5Ttp4-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506041147.p4x5Ttp4-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_sched.o:(.bss+0x0)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_proto_ah_esp.o:(.bss+0x0)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_nfct.o:(.bss+0x0)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_proto_udp.o:(.bss+0x0)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_proto_sctp.o:(.bss+0x0)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_est.o:(.bss+0x8)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_xmit.o:(.bss+0x0)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_proto_tcp.o:(.bss+0x0)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_pe.o:(.bss+0x0)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_proto.o:(.bss+0x100)
--
>> ld.lld: error: duplicate symbol: housekeeping_flags
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_conn.o:(housekeeping_flags)
   >>> defined at isolation.h:28 (include/linux/sched/isolation.h:28)
   >>>            net/netfilter/ipvs/ip_vs_ctl.o:(.bss+0x1000)
..

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