[PATCH v12 15/84] KVM: x86/mmu: Drop kvm_page_fault.hva, i.e. don't track intermediate hva

[Sean Christopherson]

Remove kvm_page_fault.hva as it is never read, only written.  This will
allow removing the @hva param from __gfn_to_pfn_memslot().

Signed-off-by: Sean Christopherson <sea...@google.com>
---
 arch/x86/kvm/mmu/mmu.c          | 5 ++---
 arch/x86/kvm/mmu/mmu_internal.h | 2 --
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index eb9ad0283fd5..e0bfbf95646c 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -3248,7 +3248,6 @@ static int kvm_handle_noslot_fault(struct kvm_vcpu *vcpu,
        fault->slot = NULL;
        fault->pfn = KVM_PFN_NOSLOT;
        fault->map_writable = false;
-       fault->hva = KVM_HVA_ERR_BAD;
 
        /*
         * If MMIO caching is disabled, emulate immediately without
@@ -4333,7 +4332,7 @@ static int __kvm_faultin_pfn(struct kvm_vcpu *vcpu, 
struct kvm_page_fault *fault
 
        fault->pfn = __gfn_to_pfn_memslot(fault->slot, fault->gfn, false, true,
                                          fault->write, &fault->map_writable,
-                                         &fault->hva);
+                                         NULL);
 
        /*
         * If resolving the page failed because I/O is needed to fault-in the
@@ -4362,7 +4361,7 @@ static int __kvm_faultin_pfn(struct kvm_vcpu *vcpu, 
struct kvm_page_fault *fault
         */
        fault->pfn = __gfn_to_pfn_memslot(fault->slot, fault->gfn, true, true,
                                          fault->write, &fault->map_writable,
-                                         &fault->hva);
+                                         NULL);
        return RET_PF_CONTINUE;
 }
 
diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h
index 1721d97743e9..f67396c435df 100644
--- a/arch/x86/kvm/mmu/mmu_internal.h
+++ b/arch/x86/kvm/mmu/mmu_internal.h
@@ -238,7 +238,6 @@ struct kvm_page_fault {
        /* Outputs of kvm_faultin_pfn.  */
        unsigned long mmu_seq;
        kvm_pfn_t pfn;
-       hva_t hva;
        bool map_writable;
 
        /*
@@ -310,7 +309,6 @@ static inline int kvm_mmu_do_page_fault(struct kvm_vcpu 
*vcpu, gpa_t cr2_or_gpa,
                .is_private = err & PFERR_PRIVATE_ACCESS,
 
                .pfn = KVM_PFN_ERR_FAULT,
-               .hva = KVM_HVA_ERR_BAD,
        };
        int r;
 
-- 
2.46.0.rc1.232.g9752f9e123-goog