[opencloudos:next 6486/6511] arch/x86/kvm/svm/sev.c:2198:6: warning: no previous prototype for 'sev_install_hooks'

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

tree:   https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git next
head:   956b826d8edba65d77aaf96288bc9ec825dde69d
commit: fe2fcb68d587062952e8cb2b6c14d55ab127f686 [6486/6511] KVM: x86: Support VM_ATTESTATION hypercall
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240506/202405061949.KDw1368n-lkp@intel.com/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240506/202405061949.KDw1368n-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/202405061949.KDw1368n-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kvm/svm/sev.c:2198:6: warning: no previous prototype for 'sev_install_hooks' [-Wmissing-prototypes]
    2198 | void sev_install_hooks(void)
         |      ^~~~~~~~~~~~~~~~~
--
>> arch/x86/kvm/svm/csv.c:30:5: warning: no previous prototype for 'csv_vm_attestation' [-Wmissing-prototypes]
      30 | int csv_vm_attestation(struct kvm *kvm, unsigned long gpa, unsigned long len)
         |     ^~~~~~~~~~~~~~~~~~


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	

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