[v12,78/84] KVM: Drop gfn_to_pfn() APIs now that all users are gone

Commit Message

Sean Christopherson July 26, 2024, 11:52 p.m. UTC

Drop gfn_to_pfn() and all its variants now that all users are gone.

No functional change intended.

Signed-off-by: Sean Christopherson <[e-mail]>
---
 include/linux/kvm_host.h | 11 --------
 virt/kvm/kvm_main.c      | 59 ----------------------------------------
 2 files changed, 70 deletions(-)

Patch

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index f2d3c3c436cc..34a1cadb1b80 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1260,14 +1260,6 @@  static inline kvm_pfn_t kvm_faultin_pfn(struct kvm_vcpu *vcpu, gfn_t gfn,
 				 write ? FOLL_WRITE : 0, writable, refcounted_page);
 }
 
-kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
-kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
-		      bool *writable);
-kvm_pfn_t gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn);
-kvm_pfn_t __gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn,
-			       bool interruptible, bool no_wait,
-			       bool write_fault, bool *writable);
-
 void kvm_release_pfn_clean(kvm_pfn_t pfn);
 void kvm_release_pfn_dirty(kvm_pfn_t pfn);
 void kvm_set_pfn_dirty(kvm_pfn_t pfn);
@@ -1342,9 +1334,6 @@  unsigned long kvm_host_page_size(struct kvm_vcpu *vcpu, gfn_t gfn);
 void mark_page_dirty_in_slot(struct kvm *kvm, const struct kvm_memory_slot *memslot, gfn_t gfn);
 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
 
-
-kvm_pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
-
 int __kvm_vcpu_map(struct kvm_vcpu *vcpu, gpa_t gpa, struct kvm_host_map *map,
 		   bool writable);
 void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 16bc3ac3ff84..5dcf3561b829 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3059,65 +3059,6 @@  static kvm_pfn_t kvm_follow_pfn(struct kvm_follow_pfn *kfp)
 	return hva_to_pfn(kfp);
 }
 
-kvm_pfn_t __gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn,
-			       bool interruptible, bool no_wait,
-			       bool write_fault, bool *writable)
-{
-	struct kvm_follow_pfn kfp = {
-		.slot = slot,
-		.gfn = gfn,
-		.map_writable = writable,
-	};
-
-	if (write_fault)
-		kfp.flags |= FOLL_WRITE;
-	if (no_wait)
-		kfp.flags |= FOLL_NOWAIT;
-	if (interruptible)
-		kfp.flags |= FOLL_INTERRUPTIBLE;
-
-	return kvm_follow_pfn(&kfp);
-}
-EXPORT_SYMBOL_GPL(__gfn_to_pfn_memslot);
-
-kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
-		      bool *writable)
-{
-	struct kvm_follow_pfn kfp = {
-		.slot = gfn_to_memslot(kvm, gfn),
-		.gfn = gfn,
-		.flags = write_fault ? FOLL_WRITE : 0,
-		.map_writable = writable,
-	};
-
-	return kvm_follow_pfn(&kfp);
-}
-EXPORT_SYMBOL_GPL(gfn_to_pfn_prot);
-
-kvm_pfn_t gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn)
-{
-	struct kvm_follow_pfn kfp = {
-		.slot = slot,
-		.gfn = gfn,
-		.flags = FOLL_WRITE,
-	};
-
-	return kvm_follow_pfn(&kfp);
-}
-EXPORT_SYMBOL_GPL(gfn_to_pfn_memslot);
-
-kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
-{
-	return gfn_to_pfn_memslot(gfn_to_memslot(kvm, gfn), gfn);
-}
-EXPORT_SYMBOL_GPL(gfn_to_pfn);
-
-kvm_pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn)
-{
-	return gfn_to_pfn_memslot(kvm_vcpu_gfn_to_memslot(vcpu, gfn), gfn);
-}
-EXPORT_SYMBOL_GPL(kvm_vcpu_gfn_to_pfn);
-
 kvm_pfn_t kvm_lookup_pfn(struct kvm *kvm, gfn_t gfn)
 {
 	struct page *refcounted_page = NULL;