arch/x86/kernel/cpu/microcode/hygon.c:343:42: error: use of undeclared identifier 'hypervisor_present'; did you mean 'x86_hypervisor_present'?

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

tree:   https://github.com/intel-lab-lkp/linux/commits/Fu-Hao/x86-cpu-hygon-Adjust-the-die_id-and-logical_die_id-for-Hygon-models-0x4-through-0x8/20260615-203418
head:   1d23a5cab2f87c46644839ad70174c6dec28882d
commit: f0def51fc06432aa3420f72e2d81e82892868813 x86/microcode/hygon: Add microcode loading support for Hygon processors
date:   12 hours ago
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260616/202606160254.dKPf3HDp-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project f43d6834093b19baf79beda8c0337ab020ac5f17)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260616/202606160254.dKPf3HDp-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/202606160254.dKPf3HDp-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/x86/kernel/cpu/microcode/hygon.c:343:42: error: use of undeclared identifier 'hypervisor_present'; did you mean 'x86_hypervisor_present'?
     343 |         if (IS_ENABLED(CONFIG_MICROCODE_DBG) && hypervisor_present)
         |                                                 ^~~~~~~~~~~~~~~~~~
         |                                                 x86_hypervisor_present
   arch/x86/include/asm/processor.h:736:13: note: 'x86_hypervisor_present' declared here
     736 | extern bool x86_hypervisor_present;
         |             ^
   1 error generated.


vim +343 arch/x86/kernel/cpu/microcode/hygon.c

   327	
   328	static bool apply_hygon_patch(struct hygon_microcode *mc, u32 *cur_rev,
   329					  unsigned int patch_size)
   330	{
   331		unsigned long patch_start = (unsigned long)&mc->header.data;
   332		unsigned long patch_end = patch_start + patch_size - 1;
   333	
   334		native_wrmsrq(HYGON_MSR_PATCH_LOADER, patch_start);
   335		invlpg(patch_start);
   336	
   337		/*
   338		 * Invalidate the next page if the patch image crosses a page boundary.
   339		 */
   340		if (hygon_pages_crossed(patch_start, patch_size))
   341			invlpg(patch_end);
   342	
 > 343		if (IS_ENABLED(CONFIG_MICROCODE_DBG) && hypervisor_present)
   344			microcode_rev[smp_processor_id()] = mc->header.patch_level;
   345	
   346		*cur_rev = get_current_patch_level();
   347	
   348		ucode_dbg("updated rev: 0x%x\n", *cur_rev);
   349	
   350		return *cur_rev == mc->header.patch_level;
   351	}
   352	

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