KVM: introduce gfn_to_pfn_memslot_atomic

It can instead of hva_to_pfn_atomic

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 9651c2cd0005..5548971ae80d 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2510,15 +2510,12 @@ static pfn_t pte_prefetch_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn,
                                      bool no_dirty_log)
 {
         struct kvm_memory_slot *slot;
-        unsigned long hva;
 
         slot = gfn_to_memslot_dirty_bitmap(vcpu, gfn, no_dirty_log);
         if (!slot)
                 return KVM_PFN_ERR_FAULT;
 
-        hva = gfn_to_hva_memslot(slot, gfn);
-
-        return hva_to_pfn_atomic(hva);
+        return gfn_to_pfn_memslot_atomic(slot, gfn);
 }
 
 static int direct_pte_prefetch_many(struct kvm_vcpu *vcpu,