[jolsa-perf:bpf/optimized_usdt_13 12/18] arch/x86/kernel/uprobes.c:317:12: warning: 'is_call_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: 4f491bb5453694500c4681edd76e1843c8f4de4e [12/18] uprobes/x86: Add support to optimize uprobes
config: i386-randconfig-r063-20250129 (https://download.01.org/0day-ci/archive/20250129/202501292124.eb934HOp-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/20250129/202501292124.eb934HOp-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/202501292124.eb934HOp-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/uprobes.c:317:12: warning: 'is_call_insn' defined but not used [-Wunused-function]
     317 | static int is_call_insn(uprobe_opcode_t *insn)
         |            ^~~~~~~~~~~~
   arch/x86/kernel/uprobes.c:312:12: warning: 'is_nop5_insn' defined but not used [-Wunused-function]
     312 | static int is_nop5_insn(uprobe_opcode_t *insn)
         |            ^~~~~~~~~~~~


vim +/is_call_insn +317 arch/x86/kernel/uprobes.c

   316	
 > 317	static int is_call_insn(uprobe_opcode_t *insn)
   318	{
   319		return *insn == CALL_INSN_OPCODE;
   320	}
   321	

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