[ammarfaizi2-block:google/android/kernel/common/android13-5.15 2564/2575] arch/arm64/kvm/hyp/nvhe/iommu/s2mpu.c:104: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst

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

tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.15
head:   d52e3e4473075ddf199c9ae763e747302d729468
commit: f6b90bb6f59d0dab524f623b255f29c149557270 [2564/2575] ANDROID: KVM: arm64: Enable S2MPUs in __pkvm_init_stage2_iommu
config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220111/202201111216.YaxndGDc-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/ammarfaizi2/linux-block/commit/f6b90bb6f59d0dab524f623b255f29c149557270
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.15
        git checkout f6b90bb6f59d0dab524f623b255f29c149557270
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/arm64/kvm/hyp/nvhe/iommu/s2mpu.c:104: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * Initialize S2MPU device and set all GB regions to 1G granularity with


vim +104 arch/arm64/kvm/hyp/nvhe/iommu/s2mpu.c

   102	
   103	/**
 > 104	 * Initialize S2MPU device and set all GB regions to 1G granularity with
   105	 * given protection bits.
   106	 */
   107	static void initialize_with_prot(struct s2mpu *dev, enum mpt_prot prot)
   108	{
   109		unsigned int gb, vid;
   110	
   111		/* Must write CONTEXT_CFG_VALID_VID before setting L1ENTRY registers. */
   112		__set_context_ids(dev);
   113	
   114		for_each_gb_and_vid(gb, vid)
   115			__set_l1entry_attr_with_prot(dev, gb, vid, prot);
   116		__all_invalidation(dev);
   117	
   118		/* Set control registers, enable the S2MPU. */
   119		__set_control_regs(dev);
   120	}
   121	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org