[tglx-devel:x86/apic 52/58] arch/x86/kernel/kvm.c:828:3: error: call to undeclared function 'apic_update_callback'; ISO C99 and later do not support implicit function declarations

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/apic
head:   11f85db0679f4f37798c648f3028126b6f7c6163
commit: 55cbab9af9e540fbbac9e7235315d03e8b654713 [52/58] x86/apic: Replace acpi_wake_cpu_handler_update() and apic_set_eoi_cb()
config: i386-randconfig-i016-20230720 (https://download.01.org/0day-ci/archive/20230723/202307230549.ceKGSBc8-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce: (https://download.01.org/0day-ci/archive/20230723/202307230549.ceKGSBc8-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/202307230549.ceKGSBc8-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/x86/kernel/kvm.c:346:2: error: call to undeclared function 'apic_native_eoi'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
           apic_native_eoi();
           ^
   arch/x86/kernel/kvm.c:346:2: note: did you mean 'apic_set_eoi'?
   arch/x86/include/asm/apic.h:429:20: note: 'apic_set_eoi' declared here
   static inline void apic_set_eoi(void (*eoi)(void)) {}
                      ^
>> arch/x86/kernel/kvm.c:828:3: error: call to undeclared function 'apic_update_callback'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
                   apic_update_callback(eoi, kvm_guest_apic_eoi_write);
                   ^
>> arch/x86/kernel/kvm.c:828:24: error: use of undeclared identifier 'eoi'; did you mean 'efi'?
                   apic_update_callback(eoi, kvm_guest_apic_eoi_write);
                                        ^~~
                                        efi
   include/linux/efi.h:671:3: note: 'efi' declared here
   } efi;
     ^
   3 errors generated.


vim +/apic_update_callback +828 arch/x86/kernel/kvm.c

   809	
   810	static void __init kvm_guest_init(void)
   811	{
   812		int i;
   813	
   814		paravirt_ops_setup();
   815		register_reboot_notifier(&kvm_pv_reboot_nb);
   816		for (i = 0; i < KVM_TASK_SLEEP_HASHSIZE; i++)
   817			raw_spin_lock_init(&async_pf_sleepers[i].lock);
   818	
   819		if (kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) {
   820			has_steal_clock = 1;
   821			static_call_update(pv_steal_clock, kvm_steal_clock);
   822	
   823			pv_ops.lock.vcpu_is_preempted =
   824				PV_CALLEE_SAVE(__kvm_vcpu_is_preempted);
   825		}
   826	
   827		if (kvm_para_has_feature(KVM_FEATURE_PV_EOI))
 > 828			apic_update_callback(eoi, kvm_guest_apic_eoi_write);
   829	
   830		if (kvm_para_has_feature(KVM_FEATURE_ASYNC_PF_INT) && kvmapf) {
   831			static_branch_enable(&kvm_async_pf_enabled);
   832			alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, asm_sysvec_kvm_asyncpf_interrupt);
   833		}
   834	

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