[jolsa-perf:bpf/optimized_usdt_13 11/18] arch/x86/kernel/uprobes.c:311:12: warning: 'is_nop5_insn' defined but not used

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/optimized_usdt_13
head:   a264266ebd33899155a0cf37feac0ef4e300cec0
commit: f64d5d0ca0ec641579cbf42a9d3cdd33b75db717 [11/18] uprobes/x86: Add support to emulate nop5 instruction
config: i386-randconfig-r063-20250129 (https://download.01.org/0day-ci/archive/20250129/202501291935.QSeSWl6R-lkp@intel.com/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/20250129/202501291935.QSeSWl6R-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/202501291935.QSeSWl6R-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/uprobes.c:311:12: warning: 'is_nop5_insn' defined but not used [-Wunused-function]
     311 | static int is_nop5_insn(uprobe_opcode_t *insn)
         |            ^~~~~~~~~~~~


vim +/is_nop5_insn +311 arch/x86/kernel/uprobes.c

   310	
 > 311	static int is_nop5_insn(uprobe_opcode_t *insn)
   312	{
   313		return !memcmp(insn, x86_nops[5], 5);
   314	}
   315	

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