Re: [PATCH v2 2/2] cpuhp: Expedite RCU grace periods during SMT operations

[kernel test robot <lkp@intel.com>]

Hi Vishal,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20260213]
[also build test ERROR on linus/master]
[cannot apply to tip/smp/core rcu/rcu/dev v6.19 v6.19-rc8 v6.19-rc7 v6.19]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Vishal-Chourasia/cpuhp-Optimize-SMT-switch-operation-by-batching-lock-acquisition/20260216-202247
base:   next-20260213
patch link:    https://lore.kernel.org/r/20260216121927.489062-6-vishalc%40linux.ibm.com
patch subject: [PATCH v2 2/2] cpuhp: Expedite RCU grace periods during SMT operations
config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20260217/202602170049.WQD7Wcuj-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project e86750b29fa0ff207cd43213d66dabe565417638)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260217/202602170049.WQD7Wcuj-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/202602170049.WQD7Wcuj-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: duplicate symbol: rcu_expedite_gp
   >>> defined at update.c
   >>>            kernel/rcu/update.o:(rcu_expedite_gp) in archive vmlinux.a
   >>> defined at srcutiny.c
   >>>            kernel/rcu/srcutiny.o:(.text+0x1) in archive vmlinux.a
--
>> ld.lld: error: duplicate symbol: rcu_unexpedite_gp
   >>> defined at update.c
   >>>            kernel/rcu/update.o:(rcu_unexpedite_gp) in archive vmlinux.a
   >>> defined at srcutiny.c
   >>>            kernel/rcu/srcutiny.o:(.text+0x41) in archive vmlinux.a
--
>> ld.lld: error: duplicate symbol: rcu_expedite_gp
   >>> defined at update.c
   >>>            kernel/rcu/update.o:(rcu_expedite_gp) in archive vmlinux.a
   >>> defined at tiny.c
   >>>            kernel/rcu/tiny.o:(.text+0x1) in archive vmlinux.a
--
>> ld.lld: error: duplicate symbol: rcu_unexpedite_gp
   >>> defined at update.c
   >>>            kernel/rcu/update.o:(rcu_unexpedite_gp) in archive vmlinux.a
   >>> defined at tiny.c
   >>>            kernel/rcu/tiny.o:(.text+0x41) in archive vmlinux.a
--
>> ld.lld: error: duplicate symbol: rcu_expedite_gp
   >>> defined at update.c
   >>>            kernel/rcu/update.o:(rcu_expedite_gp) in archive vmlinux.a
   >>> defined at slab_common.c
   >>>            mm/slab_common.o:(.text+0x1) in archive vmlinux.a
--
>> ld.lld: error: duplicate symbol: rcu_unexpedite_gp
   >>> defined at update.c
   >>>            kernel/rcu/update.o:(rcu_unexpedite_gp) in archive vmlinux.a
   >>> defined at slab_common.c
   >>>            mm/slab_common.o:(.text+0x41) in archive vmlinux.a

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