[android-common:android14-kiwi-6.1 192/192] arch/arm64/kvm/hyp_trace.c:245:6: warning: no previous prototype for function 'hyp_poke_tracing'

tree:   https://android.googlesource.com/kernel/common android14-kiwi-6.1
head:   15bdff0dd01eed4ffc4ae138c5a611d8b102a4b6
commit: a262be0c417b3b3b6c6390f34b468049fab254e1 [192/192] ANDROID: KVM: arm64: Flush hyp trace pipe when tracing stops
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20260718/[email protected]/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 5c0dfced1adc55429e32b1db08570abd3a219d85)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260718/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

   In file included from <built-in>:3:
   In file included from include/linux/compiler_types.h:94:
   include/linux/compiler-clang.h:24:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined]
      24 | #define __SANITIZE_ADDRESS__
         |         ^
   <built-in>:371:9: note: previous definition is here
     371 | #define __SANITIZE_ADDRESS__ 1
         |         ^
>> arch/arm64/kvm/hyp_trace.c:245:6: warning: no previous prototype for function 'hyp_poke_tracing' [-Wmissing-prototypes]
     245 | 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
     245 | 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]
     713 | 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
     713 | int hyp_trace_release(struct inode *inode, struct file *file)
         | ^
         | static 
   3 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	

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki