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Commit 871b7ef2 authored by Jike Song's avatar Jike Song Committed by Paolo Bonzini
Browse files

kvm/page_track: export symbols for external usage 



Signed-off-by: default avatarJike Song <jike.song@intel.com>
Reviewed-by: default avatarXiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent d126363d

arch/x86/kvm/page_track.c

+4 −0
Original line number Diff line number Diff line
@@ -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