KVM: SVM: fix doc warnings

Fix kernel-doc warnings:

arch/x86/kvm/svm/avic.c:233: warning: Function parameter or member 'activate' not described in 'avic_update_access_page'
arch/x86/kvm/svm/avic.c:233: warning: Function parameter or member 'kvm' not described in 'avic_update_access_page'
arch/x86/kvm/svm/avic.c:781: warning: Function parameter or member 'e' not described in 'get_pi_vcpu_info'
arch/x86/kvm/svm/avic.c:781: warning: Function parameter or member 'kvm' not described in 'get_pi_vcpu_info'
arch/x86/kvm/svm/avic.c:781: warning: Function parameter or member 'svm' not described in 'get_pi_vcpu_info'
arch/x86/kvm/svm/avic.c:781: warning: Function parameter or member 'vcpu_info' not described in 'get_pi_vcpu_info'
arch/x86/kvm/svm/avic.c:1009: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Signed-off-by: ChenXiaoSong <chenxiaosong2@huawei.com>
Message-Id: <20210609122217.2967131-1-chenxiaosong2@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/svm/avic.c

@@ -221,7 +221,7 @@ static u64 *avic_get_physical_id_entry(struct kvm_vcpu *vcpu,
 	return &avic_physical_id_table[index];
 }
 
-/**
+/*
  * Note:
  * AVIC hardware walks the nested page table to check permissions,
  * but does not use the SPA address specified in the leaf page
@@ -764,7 +764,7 @@ static int svm_ir_list_add(struct vcpu_svm *svm, struct amd_iommu_pi_data *pi)
 	return ret;
 }
 
-/**
+/*
  * Note:
  * The HW cannot support posting multicast/broadcast
  * interrupts to a vCPU. So, we still use legacy interrupt
@@ -1005,7 +1005,7 @@ void avic_vcpu_put(struct kvm_vcpu *vcpu)
 	WRITE_ONCE(*(svm->avic_physical_id_cache), entry);
 }
 
-/**
+/*
  * This function is called during VCPU halt/unhalt.
  */
 static void avic_set_running(struct kvm_vcpu *vcpu, bool is_run)