[android-common:android14-6.1-2026-06 2/2] arch/arm64/kvm/hyp/nvhe/trace.c:190:15: sparse: sparse: symbol 'rb_event_size' was not declared. Should it be static?

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

tree:   https://android.googlesource.com/kernel/common android14-6.1-2026-06
head:   ed0303bb8a7aa4268a4835431712e1304c5ea78a
commit: 4c095252cfa95e2d7850c70ec055de1b2284cc76 [2/2] ANDROID: KVM: arm64: Add tracing support for the nVHE hyp
config: arm64-randconfig-r1307-20260918 (https://download.01.org/0day-ci/archive/20260918/202609181649.I2HiI8Nh-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 7252edd9aa82ef1c570ff6694ef7f4763a8a5d2f)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260918/202609181649.I2HiI8Nh-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/202609181649.I2HiI8Nh-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   arch/arm64/kvm/hyp/nvhe/trace.c:17:1: sparse: sparse: symbol 'trace_rb_lock' was not declared. Should it be static?
>> arch/arm64/kvm/hyp/nvhe/trace.c:190:15: sparse: sparse: symbol 'rb_event_size' was not declared. Should it be static?

vim +/rb_event_size +190 arch/arm64/kvm/hyp/nvhe/trace.c

   189	
 > 190	unsigned long rb_event_size(unsigned long length)
   191	{
   192		struct ring_buffer_event *event;
   193	
   194		return length + RB_EVNT_HDR_SIZE + sizeof(event->array[0]);
   195	}
   196	

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