arch/riscv/kernel/alternative.c:198:6: error: use of undeclared identifier '__vdso_alternatives_start_offset'; did you mean '__vdso_alternatives_start_cfi_offset'?

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   24a19b953e2a3d0ea5a8c4951a0ab8f32720c907
commit: 63aecaba41a4b2593697f208e91bf542248ec4f8 riscv: alternative: Use the statically extracted vDSO section offsets
date:   10 weeks ago
config: riscv-randconfig-r2104-20261013 (https://download.01.org/0day-ci/archive/20261013/202610131613.BpOi6VPp-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project ce2a4984a3f43327a2b7c40baa74907bc10eb899)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261013/202610131613.BpOi6VPp-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
| Fixes: 63aecaba41a4 ("riscv: alternative: Use the statically extracted vDSO section offsets")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610131613.BpOi6VPp-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/riscv/kernel/alternative.c:198:6: error: use of undeclared identifier '__vdso_alternatives_start_offset'; did you mean '__vdso_alternatives_start_cfi_offset'?
     198 |                                         __vdso_alternatives_start_offset,
         |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                                         __vdso_alternatives_start_cfi_offset
   arch/riscv/include/asm/vdso.h:29:15: note: '__vdso_alternatives_start_cfi_offset' declared here
      29 | extern size_t __vdso_alternatives_start_cfi_offset, __vdso_alternatives_end_cfi_offset;
         |               ^
>> arch/riscv/kernel/alternative.c:199:6: error: use of undeclared identifier '__vdso_alternatives_end_offset'; did you mean '__vdso_alternatives_end_cfi_offset'?
     199 |                                         __vdso_alternatives_end_offset);
         |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                                         __vdso_alternatives_end_cfi_offset
   arch/riscv/include/asm/vdso.h:29:53: note: '__vdso_alternatives_end_cfi_offset' declared here
      29 | extern size_t __vdso_alternatives_start_cfi_offset, __vdso_alternatives_end_cfi_offset;
         |                                                     ^
   2 errors generated.


vim +198 arch/riscv/kernel/alternative.c

   186	
   187	void __init apply_boot_alternatives(void)
   188	{
   189		/* If called on non-boot cpu things could go wrong */
   190		WARN_ON(smp_processor_id() != 0);
   191	
   192		_apply_alternatives((struct alt_entry *)__alt_start,
   193				    (struct alt_entry *)__alt_end,
   194				    RISCV_ALTERNATIVES_BOOT);
   195	
   196		if (IS_ENABLED(CONFIG_MMU))
   197			apply_vdso_alternatives(vdso_start,
 > 198						__vdso_alternatives_start_offset,
 > 199						__vdso_alternatives_end_offset);
   200	
   201		if (IS_ENABLED(CONFIG_RISCV_USER_CFI))
   202			apply_vdso_alternatives(vdso_cfi_start,
   203						__vdso_alternatives_start_cfi_offset,
   204						__vdso_alternatives_end_cfi_offset);
   205	}
   206	

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