Hi Alexey, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/x86/core] [also build test WARNING on tip/master linus/master v6.11-rc3 next-20240816] [cannot apply to tip/x86/tdx tip/auto-latest] [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/Alexey-Gladkov/x86-tdx-Split-MMIO-read-and-write-operations/20240816-222615 base: tip/x86/core patch link: https://lore.kernel.org/r/9704da6a35d62932d464d33b39953fc5b2fd74ea.1723807851.git.legion%40kernel.org patch subject: [PATCH v3 04/10] x86/insn: Read and decode insn without crossing the page boundary config: i386-buildonly-randconfig-001-20240817 (https://download.01.org/0day-ci/archive/20240817/202408171001.feB1A8FN-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240817/202408171001.feB1A8FN-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408171001.feB1A8FN-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> arch/x86/lib/insn-eval.c:1690: warning: Function parameter or struct member 'insn' not described in 'insn_fetch_decode_from_user_common' >> arch/x86/lib/insn-eval.c:1690: warning: Function parameter or struct member 'inatomic' not described in 'insn_fetch_decode_from_user_common' >> arch/x86/lib/insn-eval.c:1690: warning: Excess function parameter 'buf' description in 'insn_fetch_decode_from_user_common' vim +1690 arch/x86/lib/insn-eval.c 1671 1672 /** 1673 * insn_fetch_decode_from_user_common() - Copy and decode instruction bytes 1674 * from user-space memory 1675 * @buf: Array to store the fetched instruction 1676 * @regs: Structure with register values as seen when entering kernel mode 1677 * @inatomic boolean flag whether function is used in atomic context 1678 * 1679 * Gets the linear address of the instruction and copies the instruction bytes 1680 * and decodes the instruction. 1681 * 1682 * Returns: 1683 * 1684 * - 0 on success. 1685 * - -EFAULT if the copy from userspace fails. 1686 * - -EINVAL if the linear address of the instruction could not be calculated. 1687 */ 1688 int insn_fetch_decode_from_user_common(struct insn *insn, struct pt_regs *regs, 1689 bool inatomic) > 1690 { -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki