kvm/page_track: export symbols for external usage

Signed-off-by: Jike Song <jike.song@intel.com>
Reviewed-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/kvm/page_track.c b/arch/x86/kvm/page_track.c
index 3dae0e3d6a58..4a1c13eaa518 100644
--- a/arch/x86/kvm/page_track.c
+++ b/arch/x86/kvm/page_track.c
@@ -106,6 +106,7 @@ void kvm_slot_page_track_add_page(struct kvm *kvm,
                 if (kvm_mmu_slot_gfn_write_protect(kvm, slot, gfn))
                         kvm_flush_remote_tlbs(kvm);
 }
+EXPORT_SYMBOL_GPL(kvm_slot_page_track_add_page);
 
 /*
  * remove the guest page from the tracking pool which stops the interception
@@ -135,6 +136,7 @@ void kvm_slot_page_track_remove_page(struct kvm *kvm,
          */
         kvm_mmu_gfn_allow_lpage(slot, gfn);
 }
+EXPORT_SYMBOL_GPL(kvm_slot_page_track_remove_page);
 
 /*
  * check if the corresponding access on the specified guest page is tracked.
@@ -181,6 +183,7 @@ kvm_page_track_register_notifier(struct kvm *kvm,
         hlist_add_head_rcu(&n->node, &head->track_notifier_list);
         spin_unlock(&kvm->mmu_lock);
 }
+EXPORT_SYMBOL_GPL(kvm_page_track_register_notifier);
 
 /*
  * stop receiving the event interception. It is the opposed operation of
@@ -199,6 +202,7 @@ kvm_page_track_unregister_notifier(struct kvm *kvm,
         spin_unlock(&kvm->mmu_lock);
         synchronize_srcu(&head->track_srcu);
 }
+EXPORT_SYMBOL_GPL(kvm_page_track_unregister_notifier);
 
 /*
  * Notify the node that write access is intercepted and write emulation is