[Xen-devel] Rename host_vmcs to vmxon_region

["Dong, Eddie" <eddie.dong@xxxxxxxxx>]

For some reason, the memory region used for vmxon is named as host_vmcs, which 
is
somewhat misleading, rename it to vmxon_region as SDM does.

Signed-off-by: Qing He <qing.he@xxxxxxxxx>
Signed-off-by: Eddie Dong <eddie.dong@xxxxxxxxx>

---

diff -r d6a8d49f3526 xen/arch/x86/hvm/vmx/vmcs.c
--- a/xen/arch/x86/hvm/vmx/vmcs.c       Mon Jul 26 14:42:21 2010 +0800
+++ b/xen/arch/x86/hvm/vmx/vmcs.c       Wed Aug 04 16:30:40 2010 +0800
@@ -67,7 +67,7 @@
 u64 vmx_ept_vpid_cap __read_mostly;
 bool_t cpu_has_vmx_ins_outs_instr_info __read_mostly;
 
-static DEFINE_PER_CPU_READ_MOSTLY(struct vmcs_struct *, host_vmcs);
+static DEFINE_PER_CPU_READ_MOSTLY(struct vmcs_struct *, vmxon_region);
 static DEFINE_PER_CPU(struct vmcs_struct *, current_vmcs);
 static DEFINE_PER_CPU(struct list_head, active_vmcs_list);
 
@@ -427,11 +427,11 @@
 
 int vmx_cpu_up_prepare(unsigned int cpu)
 {
-    if ( per_cpu(host_vmcs, cpu) != NULL )
+    if ( per_cpu(vmxon_region, cpu) != NULL )
         return 0;
 
-    per_cpu(host_vmcs, cpu) = vmx_alloc_vmcs();
-    if ( per_cpu(host_vmcs, cpu) != NULL )
+    per_cpu(vmxon_region, cpu) = vmx_alloc_vmcs();
+    if ( per_cpu(vmxon_region, cpu) != NULL )
         return 0;
 
     printk("CPU%d: Could not allocate host VMCS\n", cpu);
@@ -440,8 +440,8 @@
 
 void vmx_cpu_dead(unsigned int cpu)
 {
-    vmx_free_vmcs(per_cpu(host_vmcs, cpu));
-    per_cpu(host_vmcs, cpu) = NULL;
+    vmx_free_vmcs(per_cpu(vmxon_region, cpu));
+    per_cpu(vmxon_region, cpu) = NULL;
 }
 
 int vmx_cpu_up(void)
@@ -498,7 +498,7 @@
     if ( (rc = vmx_cpu_up_prepare(cpu)) != 0 )
         return rc;
 
-    switch ( __vmxon(virt_to_maddr(this_cpu(host_vmcs))) )
+    switch ( __vmxon(virt_to_maddr(this_cpu(vmxon_region))) )
     {
     case -2: /* #UD or #GP */
         if ( bios_locked &&

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Attachment: vmxon_region.patch
Description: vmxon_region.patch

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