KVM: Rename kvm_arch_ops to kvm_x86_ops

This patch just renames the current (misnamed) _arch namings to _x86 to
ensure better readability when a real arch layer takes place.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index e303b41..7b42c88 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -966,7 +966,7 @@
 static void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu)
 {
 	++vcpu->stat.tlb_flush;
-	kvm_arch_ops->tlb_flush(vcpu);
+	kvm_x86_ops->tlb_flush(vcpu);
 }
 
 static void paging_new_cr3(struct kvm_vcpu *vcpu)
@@ -979,7 +979,7 @@
 			      u64 addr,
 			      u32 err_code)
 {
-	kvm_arch_ops->inject_page_fault(vcpu, addr, err_code);
+	kvm_x86_ops->inject_page_fault(vcpu, addr, err_code);
 }
 
 static void paging_free(struct kvm_vcpu *vcpu)
@@ -1073,7 +1073,7 @@
 	if (r)
 		goto out;
 	mmu_alloc_roots(vcpu);
-	kvm_arch_ops->set_cr3(vcpu, vcpu->mmu.root_hpa);
+	kvm_x86_ops->set_cr3(vcpu, vcpu->mmu.root_hpa);
 	kvm_mmu_flush_tlb(vcpu);
 out:
 	mutex_unlock(&vcpu->kvm->lock);