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Diffstat (limited to 'arch/x86/kvm/vmx.c')
-rw-r--r--arch/x86/kvm/vmx.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index c6256b98f078..686e1abb6816 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1719,7 +1719,7 @@ static void vmx_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
1719 eptp = construct_eptp(cr3); 1719 eptp = construct_eptp(cr3);
1720 vmcs_write64(EPT_POINTER, eptp); 1720 vmcs_write64(EPT_POINTER, eptp);
1721 guest_cr3 = is_paging(vcpu) ? vcpu->arch.cr3 : 1721 guest_cr3 = is_paging(vcpu) ? vcpu->arch.cr3 :
1722 VMX_EPT_IDENTITY_PAGETABLE_ADDR; 1722 vcpu->kvm->arch.ept_identity_map_addr;
1723 } 1723 }
1724 1724
1725 vmx_flush_tlb(vcpu); 1725 vmx_flush_tlb(vcpu);
@@ -2122,7 +2122,7 @@ static int init_rmode_identity_map(struct kvm *kvm)
2122 if (likely(kvm->arch.ept_identity_pagetable_done)) 2122 if (likely(kvm->arch.ept_identity_pagetable_done))
2123 return 1; 2123 return 1;
2124 ret = 0; 2124 ret = 0;
2125 identity_map_pfn = VMX_EPT_IDENTITY_PAGETABLE_ADDR >> PAGE_SHIFT; 2125 identity_map_pfn = kvm->arch.ept_identity_map_addr >> PAGE_SHIFT;
2126 r = kvm_clear_guest_page(kvm, identity_map_pfn, 0, PAGE_SIZE); 2126 r = kvm_clear_guest_page(kvm, identity_map_pfn, 0, PAGE_SIZE);
2127 if (r < 0) 2127 if (r < 0)
2128 goto out; 2128 goto out;
@@ -2191,14 +2191,15 @@ static int alloc_identity_pagetable(struct kvm *kvm)
2191 goto out; 2191 goto out;
2192 kvm_userspace_mem.slot = IDENTITY_PAGETABLE_PRIVATE_MEMSLOT; 2192 kvm_userspace_mem.slot = IDENTITY_PAGETABLE_PRIVATE_MEMSLOT;
2193 kvm_userspace_mem.flags = 0; 2193 kvm_userspace_mem.flags = 0;
2194 kvm_userspace_mem.guest_phys_addr = VMX_EPT_IDENTITY_PAGETABLE_ADDR; 2194 kvm_userspace_mem.guest_phys_addr =
2195 kvm->arch.ept_identity_map_addr;
2195 kvm_userspace_mem.memory_size = PAGE_SIZE; 2196 kvm_userspace_mem.memory_size = PAGE_SIZE;
2196 r = __kvm_set_memory_region(kvm, &kvm_userspace_mem, 0); 2197 r = __kvm_set_memory_region(kvm, &kvm_userspace_mem, 0);
2197 if (r) 2198 if (r)
2198 goto out; 2199 goto out;
2199 2200
2200 kvm->arch.ept_identity_pagetable = gfn_to_page(kvm, 2201 kvm->arch.ept_identity_pagetable = gfn_to_page(kvm,
2201 VMX_EPT_IDENTITY_PAGETABLE_ADDR >> PAGE_SHIFT); 2202 kvm->arch.ept_identity_map_addr >> PAGE_SHIFT);
2202out: 2203out:
2203 up_write(&kvm->slots_lock); 2204 up_write(&kvm->slots_lock);
2204 return r; 2205 return r;
@@ -3814,9 +3815,13 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
3814 if (alloc_apic_access_page(kvm) != 0) 3815 if (alloc_apic_access_page(kvm) != 0)
3815 goto free_vmcs; 3816 goto free_vmcs;
3816 3817
3817 if (enable_ept) 3818 if (enable_ept) {
3819 if (!kvm->arch.ept_identity_map_addr)
3820 kvm->arch.ept_identity_map_addr =
3821 VMX_EPT_IDENTITY_PAGETABLE_ADDR;
3818 if (alloc_identity_pagetable(kvm) != 0) 3822 if (alloc_identity_pagetable(kvm) != 0)
3819 goto free_vmcs; 3823 goto free_vmcs;
3824 }
3820 3825
3821 return &vmx->vcpu; 3826 return &vmx->vcpu;
3822 3827