Add typedefs for the MMU handlers that are invoked when walking the MMU
SPTEs (rmaps in legacy MMU) to act on a host virtual address range.

No functional change intended.

Cc: Ben Gardon <bgar...@google.com>
Signed-off-by: Sean Christopherson <sea...@google.com>
---
 arch/x86/kvm/mmu/mmu.c     | 27 ++++++++++-----------------
 arch/x86/kvm/mmu/tdp_mmu.c | 20 +++++++++-----------
 2 files changed, 19 insertions(+), 28 deletions(-)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index d75524bc8423..1ee01ca196bd 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -1424,17 +1424,15 @@ static void slot_rmap_walk_next(struct 
slot_rmap_walk_iterator *iterator)
             slot_rmap_walk_okay(_iter_);                               \
             slot_rmap_walk_next(_iter_))
 
-static __always_inline int
-kvm_handle_hva_range(struct kvm *kvm,
-                    unsigned long start,
-                    unsigned long end,
-                    unsigned long data,
-                    int (*handler)(struct kvm *kvm,
-                                   struct kvm_rmap_head *rmap_head,
-                                   struct kvm_memory_slot *slot,
-                                   gfn_t gfn,
-                                   int level,
-                                   unsigned long data))
+typedef int (*rmap_handler_t)(struct kvm *kvm, struct kvm_rmap_head *rmap_head,
+                             struct kvm_memory_slot *slot, gfn_t gfn,
+                             int level, unsigned long data);
+
+static __always_inline int kvm_handle_hva_range(struct kvm *kvm,
+                                               unsigned long start,
+                                               unsigned long end,
+                                               unsigned long data,
+                                               rmap_handler_t handler)
 {
        struct kvm_memslots *slots;
        struct kvm_memory_slot *memslot;
@@ -1473,12 +1471,7 @@ kvm_handle_hva_range(struct kvm *kvm,
 }
 
 static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
-                         unsigned long data,
-                         int (*handler)(struct kvm *kvm,
-                                        struct kvm_rmap_head *rmap_head,
-                                        struct kvm_memory_slot *slot,
-                                        gfn_t gfn, int level,
-                                        unsigned long data))
+                         unsigned long data, rmap_handler_t handler)
 {
        return kvm_handle_hva_range(kvm, hva, hva + 1, data, handler);
 }
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 9ce8d226b621..b6f829b58e67 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -879,17 +879,15 @@ int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, gpa_t gpa, u32 
error_code,
        return ret;
 }
 
-static __always_inline int
-kvm_tdp_mmu_handle_hva_range(struct kvm *kvm,
-                            unsigned long start,
-                            unsigned long end,
-                            unsigned long data,
-                            int (*handler)(struct kvm *kvm,
-                                           struct kvm_memory_slot *slot,
-                                           struct kvm_mmu_page *root,
-                                           gfn_t start,
-                                           gfn_t end,
-                                           unsigned long data))
+typedef int (*tdp_handler_t)(struct kvm *kvm, struct kvm_memory_slot *slot,
+                            struct kvm_mmu_page *root, gfn_t start, gfn_t end,
+                            unsigned long data);
+
+static __always_inline int kvm_tdp_mmu_handle_hva_range(struct kvm *kvm,
+                                                       unsigned long start,
+                                                       unsigned long end,
+                                                       unsigned long data,
+                                                       tdp_handler_t handler)
 {
        struct kvm_memslots *slots;
        struct kvm_memory_slot *memslot;
-- 
2.30.1.766.gb4fecdf3b7-goog

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