[android-common:android15-6.1 155/175] arch/arm64/kvm/hyp_trace.c:709:37: warning: 'hyp_trace_raw_fops' defined but not used

[android-common:android15-6.1 155/175] arch/arm64/kvm/hyp_trace.c:709:37: warning: 'hyp_trace_raw_fops' defined but not used

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android15-6.1
head:   faf8e92b3bdd8457b68cf85e37cdcd4a4ed867e9
commit: f833c4c66599d064f5f9b29f0d78e13d63cfb29f [155/175] ANDROID: KVM: arm64: Add raw interface to nVHE hyp tracing
config: arm64-randconfig-002-20240123 (https://download.01.org/0day-ci/archive/20240125/202401250227.mzj1nM59-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240125/202401250227.mzj1nM59-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/202401250227.mzj1nM59-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/arm64/kvm/hyp_trace.c:709:37: warning: 'hyp_trace_raw_fops' defined but not used [-Wunused-const-variable=]
     709 | static const struct file_operations hyp_trace_raw_fops = {
         |                                     ^~~~~~~~~~~~~~~~~~
   arch/arm64/kvm/hyp_trace.c: In function 'hyp_trace_init_tracefs':
   arch/arm64/kvm/hyp_trace.c:778:66: warning: '%ld' directive output may be truncated writing between 1 and 20 bytes into a region of size 13 [-Wformat-truncation=]
     778 |                 snprintf(per_cpu_name, sizeof(per_cpu_name), "cpu%ld", cpu);
         |                                                                  ^~~
   arch/arm64/kvm/hyp_trace.c:778:62: note: directive argument in the range [-9223372036854775808, 4294967294]
     778 |                 snprintf(per_cpu_name, sizeof(per_cpu_name), "cpu%ld", cpu);
         |                                                              ^~~~~~~~
   arch/arm64/kvm/hyp_trace.c:778:17: note: 'snprintf' output between 5 and 24 bytes into a destination of size 16
     778 |                 snprintf(per_cpu_name, sizeof(per_cpu_name), "cpu%ld", cpu);
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/hyp_trace_raw_fops +709 arch/arm64/kvm/hyp_trace.c

   708	
 > 709	static const struct file_operations hyp_trace_raw_fops = {
   710		.open           = hyp_trace_raw_open,
   711		.read           = hyp_trace_raw_read,
   712		.release        = hyp_trace_raw_release,
   713		.llseek         = no_llseek,
   714	};
   715	

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