[android-common:mirror-poly-aosp-pixel-malibu-staging 5/5] arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:77:23: warning: no previous prototype for function '__get_vcpu'

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

Hi Mostafa,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common mirror-poly-aosp-pixel-malibu-staging
head:   5de4567efb4a2a85c5768504b0f45f278e9b13a2
commit: 41148bbeb73900a1fe8c5d7c64bbec5207d84c06 [5/5] ANDROID: KVM: arm64: iommu: Make allocation guest aware
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20260331/202603310244.khPDNg15-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260331/202603310244.khPDNg15-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/202603310244.khPDNg15-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:77:23: warning: no previous prototype for function '__get_vcpu' [-Wmissing-prototypes]
      77 | struct pkvm_hyp_vcpu *__get_vcpu(void)
         |                       ^
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:77:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
      77 | struct pkvm_hyp_vcpu *__get_vcpu(void)
         | ^
         | static 
   1 warning generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for INTEL_MEI_ME
   Depends on [n]: X86 && PCI [=y]
   Selected by [m]:
   - INTEL_MEI_HDCP [=m] && (DRM_I915 [=n] || DRM_XE [=m])
   - INTEL_MEI_PXP [=m] && (DRM_I915 [=n] || DRM_XE [=m])


vim +/__get_vcpu +77 arch/arm64/kvm/hyp/nvhe/iommu/iommu.c

    75	
    76	/* Return current vcpu or NULL for host. */
  > 77	struct pkvm_hyp_vcpu *__get_vcpu(void)
    78	{
    79		struct kvm_vcpu *vcpu = this_cpu_ptr(&kvm_host_data)->host_ctxt.__hyp_running_vcpu;
    80	
    81		if (vcpu)
    82			return container_of(vcpu, struct pkvm_hyp_vcpu, vcpu);
    83		return NULL;
    84	}
    85	

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