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-rw-r--r--arch/x86/kvm/mmu.c12
-rw-r--r--arch/x86/kvm/paging_tmpl.h5
2 files changed, 6 insertions, 11 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 194ece6974e6..d8172aabc660 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -681,8 +681,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
681 unsigned level, 681 unsigned level,
682 int metaphysical, 682 int metaphysical,
683 unsigned access, 683 unsigned access,
684 u64 *parent_pte, 684 u64 *parent_pte)
685 bool *new_page)
686{ 685{
687 union kvm_mmu_page_role role; 686 union kvm_mmu_page_role role;
688 unsigned index; 687 unsigned index;
@@ -722,8 +721,6 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
722 vcpu->arch.mmu.prefetch_page(vcpu, sp); 721 vcpu->arch.mmu.prefetch_page(vcpu, sp);
723 if (!metaphysical) 722 if (!metaphysical)
724 rmap_write_protect(vcpu->kvm, gfn); 723 rmap_write_protect(vcpu->kvm, gfn);
725 if (new_page)
726 *new_page = 1;
727 return sp; 724 return sp;
728} 725}
729 726
@@ -1006,8 +1003,7 @@ static int __nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write,
1006 >> PAGE_SHIFT; 1003 >> PAGE_SHIFT;
1007 new_table = kvm_mmu_get_page(vcpu, pseudo_gfn, 1004 new_table = kvm_mmu_get_page(vcpu, pseudo_gfn,
1008 v, level - 1, 1005 v, level - 1,
1009 1, ACC_ALL, &table[index], 1006 1, ACC_ALL, &table[index]);
1010 NULL);
1011 if (!new_table) { 1007 if (!new_table) {
1012 pgprintk("nonpaging_map: ENOMEM\n"); 1008 pgprintk("nonpaging_map: ENOMEM\n");
1013 kvm_release_page_clean(page); 1009 kvm_release_page_clean(page);
@@ -1100,7 +1096,7 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu)
1100 1096
1101 ASSERT(!VALID_PAGE(root)); 1097 ASSERT(!VALID_PAGE(root));
1102 sp = kvm_mmu_get_page(vcpu, root_gfn, 0, 1098 sp = kvm_mmu_get_page(vcpu, root_gfn, 0,
1103 PT64_ROOT_LEVEL, 0, ACC_ALL, NULL, NULL); 1099 PT64_ROOT_LEVEL, 0, ACC_ALL, NULL);
1104 root = __pa(sp->spt); 1100 root = __pa(sp->spt);
1105 ++sp->root_count; 1101 ++sp->root_count;
1106 vcpu->arch.mmu.root_hpa = root; 1102 vcpu->arch.mmu.root_hpa = root;
@@ -1121,7 +1117,7 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu)
1121 root_gfn = 0; 1117 root_gfn = 0;
1122 sp = kvm_mmu_get_page(vcpu, root_gfn, i << 30, 1118 sp = kvm_mmu_get_page(vcpu, root_gfn, i << 30,
1123 PT32_ROOT_LEVEL, !is_paging(vcpu), 1119 PT32_ROOT_LEVEL, !is_paging(vcpu),
1124 ACC_ALL, NULL, NULL); 1120 ACC_ALL, NULL);
1125 root = __pa(sp->spt); 1121 root = __pa(sp->spt);
1126 ++sp->root_count; 1122 ++sp->root_count;
1127 vcpu->arch.mmu.pae_root[i] = root | PT_PRESENT_MASK; 1123 vcpu->arch.mmu.pae_root[i] = root | PT_PRESENT_MASK;
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 5588fa594b61..ecc0856268c4 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -300,7 +300,6 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
300 u64 shadow_pte; 300 u64 shadow_pte;
301 int metaphysical; 301 int metaphysical;
302 gfn_t table_gfn; 302 gfn_t table_gfn;
303 bool new_page = 0;
304 303
305 shadow_ent = ((u64 *)__va(shadow_addr)) + index; 304 shadow_ent = ((u64 *)__va(shadow_addr)) + index;
306 if (level == PT_PAGE_TABLE_LEVEL) 305 if (level == PT_PAGE_TABLE_LEVEL)
@@ -322,8 +321,8 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
322 } 321 }
323 shadow_page = kvm_mmu_get_page(vcpu, table_gfn, addr, level-1, 322 shadow_page = kvm_mmu_get_page(vcpu, table_gfn, addr, level-1,
324 metaphysical, access, 323 metaphysical, access,
325 shadow_ent, &new_page); 324 shadow_ent);
326 if (new_page && !metaphysical) { 325 if (!metaphysical) {
327 int r; 326 int r;
328 pt_element_t curr_pte; 327 pt_element_t curr_pte;
329 r = kvm_read_guest_atomic(vcpu->kvm, 328 r = kvm_read_guest_atomic(vcpu->kvm,