[android-common:android14-6.1 8761/11052] arch/arm64/kvm/hyp_trace.c:245:6: warning: no previous prototype for function 'hyp_poke_tracing'

[android-common:android14-6.1 8761/11052] arch/arm64/kvm/hyp_trace.c:245:6: warning: no previous prototype for function 'hyp_poke_tracing'

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android14-6.1
head:   a16d62a2960b9f3c3e809d8051accf68826f3d32
commit: a262be0c417b3b3b6c6390f34b468049fab254e1 [8761/11052] ANDROID: KVM: arm64: Flush hyp trace pipe when tracing stops
config: arm64-randconfig-r031-20230717 (https://download.01.org/0day-ci/archive/20230718/202307180847.OFzzXBso-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce: (https://download.01.org/0day-ci/archive/20230718/202307180847.OFzzXBso-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/202307180847.OFzzXBso-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/arm64/kvm/hyp_trace.c:245:6: warning: no previous prototype for function 'hyp_poke_tracing' [-Wmissing-prototypes]
   void hyp_poke_tracing(int cpu, const struct cpumask *cpus)
        ^
   arch/arm64/kvm/hyp_trace.c:245:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void hyp_poke_tracing(int cpu, const struct cpumask *cpus)
   ^
   static 
   arch/arm64/kvm/hyp_trace.c:713:5: warning: no previous prototype for function 'hyp_trace_release' [-Wmissing-prototypes]
   int hyp_trace_release(struct inode *inode, struct file *file)
       ^
   arch/arm64/kvm/hyp_trace.c:713:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int hyp_trace_release(struct inode *inode, struct file *file)
   ^
   static 
   2 warnings generated.


vim +/hyp_poke_tracing +245 arch/arm64/kvm/hyp_trace.c

   244	
 > 245	void hyp_poke_tracing(int cpu, const struct cpumask *cpus)
   246	{
   247		if (cpu == RING_BUFFER_ALL_CPUS) {
   248			for_each_cpu(cpu, cpus)
   249				WARN_ON_ONCE(ring_buffer_poke(hyp_trace_buffer, cpu));
   250		} else {
   251			WARN_ON_ONCE(ring_buffer_poke(hyp_trace_buffer, cpu));
   252		}
   253	}
   254	

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https://github.com/intel/lkp-tests/wiki