[openeuler:OLK-6.6 2229/2229] arch/x86/kvm/svm/sev.c:2198:6: warning: no previous prototype for function 'sev_install_hooks'

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

tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   a53913bacac4876eee9ce118b3101dff842318ef
commit: 0f13b8634792cff1f2fb18bf35e5a24d7a8cbf8e [2229/2229] KVM: x86: Support VM_ATTESTATION hypercall
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20250514/202505142149.OSrCD2AH-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
rustc: rustc 1.73.0 (cc66ad468 2023-10-03)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250514/202505142149.OSrCD2AH-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/202505142149.OSrCD2AH-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kvm/svm/sev.c:2198:6: warning: no previous prototype for function 'sev_install_hooks' [-Wmissing-prototypes]
    2198 | void sev_install_hooks(void)
         |      ^
   arch/x86/kvm/svm/sev.c:2198:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    2198 | void sev_install_hooks(void)
         | ^
         | static 
   1 warning generated.
--
>> arch/x86/kvm/svm/csv.c:30:5: warning: no previous prototype for function 'csv_vm_attestation' [-Wmissing-prototypes]
      30 | int csv_vm_attestation(struct kvm *kvm, unsigned long gpa, unsigned long len)
         |     ^
   arch/x86/kvm/svm/csv.c:30:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
      30 | int csv_vm_attestation(struct kvm *kvm, unsigned long gpa, unsigned long len)
         | ^
         | static 
   1 warning generated.


vim +/sev_install_hooks +2198 arch/x86/kvm/svm/sev.c

  2195	
  2196	#ifdef CONFIG_HYGON_CSV
  2197	/* Code to set all of the function and vaiable pointers */
> 2198	void sev_install_hooks(void)
  2199	{
  2200		hygon_kvm_hooks.sev_issue_cmd = sev_issue_cmd;
  2201		hygon_kvm_hooks.get_num_contig_pages = get_num_contig_pages;
  2202		hygon_kvm_hooks.sev_pin_memory = sev_pin_memory;
  2203		hygon_kvm_hooks.sev_unpin_memory = sev_unpin_memory;
  2204	
  2205		hygon_kvm_hooks.sev_hooks_installed = true;
  2206	}
  2207	#endif
  2208	

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