KVM: use __copy_to_user/__clear_user to write guest page
[linux-2.6.git] / arch / x86 / kvm / x86.c
index 51df0b6..0b08986 100644 (file)
@@ -1388,7 +1388,7 @@ static int set_msr_hyperv_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data)
                        return 1;
                kvm_x86_ops->patch_hypercall(vcpu, instructions);
                ((unsigned char *)instructions)[3] = 0xc3; /* ret */
-               if (copy_to_user((void __user *)addr, instructions, 4))
+               if (__copy_to_user((void __user *)addr, instructions, 4))
                        return 1;
                kvm->arch.hv_hypercall = data;
                break;
@@ -1415,7 +1415,7 @@ static int set_msr_hyperv(struct kvm_vcpu *vcpu, u32 msr, u64 data)
                                  HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT);
                if (kvm_is_error_hva(addr))
                        return 1;
-               if (clear_user((void __user *)addr, PAGE_SIZE))
+               if (__clear_user((void __user *)addr, PAGE_SIZE))
                        return 1;
                vcpu->arch.hv_vapic = data;
                break;