KVM: Prefix some x86 low level function with kvm_, to avoid namespace issues

Fixes compilation with CONFIG_VMI enabled.

Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index fff3b49..0cac637 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -484,7 +484,7 @@
 	struct descriptor_table gdt;
 	struct desc_struct *descs;
 
-	get_gdt(&gdt);
+	kvm_get_gdt(&gdt);
 	descs = (void *)gdt.base;
 	descs[GDT_ENTRY_TSS].type = 9; /* available TSS */
 	load_TR_desc();
@@ -540,9 +540,9 @@
 	 * Set host fs and gs selectors.  Unfortunately, 22.2.3 does not
 	 * allow segment selectors with cpl > 0 or ti == 1.
 	 */
-	vmx->host_state.ldt_sel = read_ldt();
+	vmx->host_state.ldt_sel = kvm_read_ldt();
 	vmx->host_state.gs_ldt_reload_needed = vmx->host_state.ldt_sel;
-	vmx->host_state.fs_sel = read_fs();
+	vmx->host_state.fs_sel = kvm_read_fs();
 	if (!(vmx->host_state.fs_sel & 7)) {
 		vmcs_write16(HOST_FS_SELECTOR, vmx->host_state.fs_sel);
 		vmx->host_state.fs_reload_needed = 0;
@@ -550,7 +550,7 @@
 		vmcs_write16(HOST_FS_SELECTOR, 0);
 		vmx->host_state.fs_reload_needed = 1;
 	}
-	vmx->host_state.gs_sel = read_gs();
+	vmx->host_state.gs_sel = kvm_read_gs();
 	if (!(vmx->host_state.gs_sel & 7))
 		vmcs_write16(HOST_GS_SELECTOR, vmx->host_state.gs_sel);
 	else {
@@ -586,15 +586,15 @@
 	++vmx->vcpu.stat.host_state_reload;
 	vmx->host_state.loaded = 0;
 	if (vmx->host_state.fs_reload_needed)
-		load_fs(vmx->host_state.fs_sel);
+		kvm_load_fs(vmx->host_state.fs_sel);
 	if (vmx->host_state.gs_ldt_reload_needed) {
-		load_ldt(vmx->host_state.ldt_sel);
+		kvm_load_ldt(vmx->host_state.ldt_sel);
 		/*
 		 * If we have to reload gs, we must take care to
 		 * preserve our gs base.
 		 */
 		local_irq_save(flags);
-		load_gs(vmx->host_state.gs_sel);
+		kvm_load_gs(vmx->host_state.gs_sel);
 #ifdef CONFIG_X86_64
 		wrmsrl(MSR_GS_BASE, vmcs_readl(HOST_GS_BASE));
 #endif
@@ -654,8 +654,8 @@
 		 * Linux uses per-cpu TSS and GDT, so set these when switching
 		 * processors.
 		 */
-		vmcs_writel(HOST_TR_BASE, read_tr_base()); /* 22.2.4 */
-		get_gdt(&dt);
+		vmcs_writel(HOST_TR_BASE, kvm_read_tr_base()); /* 22.2.4 */
+		kvm_get_gdt(&dt);
 		vmcs_writel(HOST_GDTR_BASE, dt.base);   /* 22.2.4 */
 
 		rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp);
@@ -1943,8 +1943,8 @@
 	vmcs_write16(HOST_CS_SELECTOR, __KERNEL_CS);  /* 22.2.4 */
 	vmcs_write16(HOST_DS_SELECTOR, __KERNEL_DS);  /* 22.2.4 */
 	vmcs_write16(HOST_ES_SELECTOR, __KERNEL_DS);  /* 22.2.4 */
-	vmcs_write16(HOST_FS_SELECTOR, read_fs());    /* 22.2.4 */
-	vmcs_write16(HOST_GS_SELECTOR, read_gs());    /* 22.2.4 */
+	vmcs_write16(HOST_FS_SELECTOR, kvm_read_fs());    /* 22.2.4 */
+	vmcs_write16(HOST_GS_SELECTOR, kvm_read_gs());    /* 22.2.4 */
 	vmcs_write16(HOST_SS_SELECTOR, __KERNEL_DS);  /* 22.2.4 */
 #ifdef CONFIG_X86_64
 	rdmsrl(MSR_FS_BASE, a);
@@ -1958,7 +1958,7 @@
 
 	vmcs_write16(HOST_TR_SELECTOR, GDT_ENTRY_TSS*8);  /* 22.2.4 */
 
-	get_idt(&dt);
+	kvm_get_idt(&dt);
 	vmcs_writel(HOST_IDTR_BASE, dt.base);   /* 22.2.4 */
 
 	asm("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return));