KVM: Rename kvm_handle_hva_range()

Rename kvm_handle_hva_range() to kvm_age_hva_range(),
kvm_handle_hva_range_no_flush() to kvm_age_hva_range_no_flush(), and
__kvm_handle_hva_range() to kvm_handle_hva_range(), as
kvm_age_hva_range() will get more aging-specific functionality.

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Link: https://lore.kernel.org/r/20250204004038.1680123-2-jthoughton@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

Author: 48ca

virt/kvm/kvm_main.c

@@ -551,8 +551,8 @@ static void kvm_null_fn(void)
 	     node;							     \
 	     node = interval_tree_iter_next(node, start, last))	     \
 
-static __always_inline kvm_mn_ret_t __kvm_handle_hva_range(struct kvm *kvm,
-							   const struct kvm_mmu_notifier_range *range)
+static __always_inline kvm_mn_ret_t kvm_handle_hva_range(struct kvm *kvm,
+							 const struct kvm_mmu_notifier_range *range)
 {
 	struct kvm_mmu_notifier_return r = {
 		.ret = false,
@@ -633,7 +633,7 @@ static __always_inline kvm_mn_ret_t __kvm_handle_hva_range(struct kvm *kvm,
 	return r;
 }
 
-static __always_inline int kvm_handle_hva_range(struct mmu_notifier *mn,
+static __always_inline int kvm_age_hva_range(struct mmu_notifier *mn,
 						unsigned long start,
 						unsigned long end,
 						gfn_handler_t handler,
@@ -649,15 +649,15 @@ static __always_inline int kvm_handle_hva_range(struct mmu_notifier *mn,
 		.may_block	= false,
 	};
 
-	return __kvm_handle_hva_range(kvm, &range).ret;
+	return kvm_handle_hva_range(kvm, &range).ret;
 }
 
-static __always_inline int kvm_handle_hva_range_no_flush(struct mmu_notifier *mn,
-							 unsigned long start,
-							 unsigned long end,
-							 gfn_handler_t handler)
+static __always_inline int kvm_age_hva_range_no_flush(struct mmu_notifier *mn,
+						      unsigned long start,
+						      unsigned long end,
+						      gfn_handler_t handler)
 {
-	return kvm_handle_hva_range(mn, start, end, handler, false);
+	return kvm_age_hva_range(mn, start, end, handler, false);
 }
 
 void kvm_mmu_invalidate_begin(struct kvm *kvm)
@@ -752,7 +752,7 @@ static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
 	 * that guest memory has been reclaimed.  This needs to be done *after*
 	 * dropping mmu_lock, as x86's reclaim path is slooooow.
 	 */
-	if (__kvm_handle_hva_range(kvm, &hva_range).found_memslot)
+	if (kvm_handle_hva_range(kvm, &hva_range).found_memslot)
 		kvm_arch_guest_memory_reclaimed(kvm);
 
 	return 0;
@@ -798,7 +798,7 @@ static void kvm_mmu_notifier_invalidate_range_end(struct mmu_notifier *mn,
 	};
 	bool wake;
 
-	__kvm_handle_hva_range(kvm, &hva_range);
+	kvm_handle_hva_range(kvm, &hva_range);
 
 	/* Pairs with the increment in range_start(). */
 	spin_lock(&kvm->mn_invalidate_lock);
@@ -822,8 +822,8 @@ static int kvm_mmu_notifier_clear_flush_young(struct mmu_notifier *mn,
 {
 	trace_kvm_age_hva(start, end);
 
-	return kvm_handle_hva_range(mn, start, end, kvm_age_gfn,
-				    !IS_ENABLED(CONFIG_KVM_ELIDE_TLB_FLUSH_IF_YOUNG));
+	return kvm_age_hva_range(mn, start, end, kvm_age_gfn,
+				 !IS_ENABLED(CONFIG_KVM_ELIDE_TLB_FLUSH_IF_YOUNG));
 }
 
 static int kvm_mmu_notifier_clear_young(struct mmu_notifier *mn,
@@ -846,7 +846,7 @@ static int kvm_mmu_notifier_clear_young(struct mmu_notifier *mn,
 	 * cadence. If we find this inaccurate, we might come up with a
 	 * more sophisticated heuristic later.
 	 */
-	return kvm_handle_hva_range_no_flush(mn, start, end, kvm_age_gfn);
+	return kvm_age_hva_range_no_flush(mn, start, end, kvm_age_gfn);
 }
 
 static int kvm_mmu_notifier_test_young(struct mmu_notifier *mn,
@@ -855,8 +855,8 @@ static int kvm_mmu_notifier_test_young(struct mmu_notifier *mn,
 {
 	trace_kvm_test_age_hva(address);
 
-	return kvm_handle_hva_range_no_flush(mn, address, address + 1,
-					     kvm_test_age_gfn);
+	return kvm_age_hva_range_no_flush(mn, address, address + 1,
+					  kvm_test_age_gfn);
 }
 
 static void kvm_mmu_notifier_release(struct mmu_notifier *mn,