KVM: use desc_ptr struct instead of kvm private descriptor_table

x86 arch defines desc_ptr for idt/gdt pointers, no need to define
another structure in kvm code.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 18 insertions, 18 deletions

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index bc933cfb4e66..68f895b00450 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -600,11 +600,11 @@ static void reload_tss(void)
         /*
          * VT restores TR but not its size.  Useless.
          */
-        struct descriptor_table gdt;
+        struct desc_ptr gdt;
         struct desc_struct *descs;
 
         kvm_get_gdt(&gdt);
-        descs = (void *)gdt.base;
+        descs = (void *)gdt.address;
         descs[GDT_ENTRY_TSS].type = 9; /* available TSS */
         load_TR_desc();
 }
@@ -758,7 +758,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
         }
 
         if (vcpu->cpu != cpu) {
-                struct descriptor_table dt;
+                struct desc_ptr dt;
                 unsigned long sysenter_esp;
 
                 vcpu->cpu = cpu;
@@ -768,7 +768,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
                  */
                 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 */
+                vmcs_writel(HOST_GDTR_BASE, dt.address);   /* 22.2.4 */
 
                 rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp);
                 vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */
@@ -1934,28 +1934,28 @@ static void vmx_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l)
         *l = (ar >> 13) & 1;
 }
 
-static void vmx_get_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void vmx_get_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
-        dt->limit = vmcs_read32(GUEST_IDTR_LIMIT);
-        dt->base = vmcs_readl(GUEST_IDTR_BASE);
+        dt->size = vmcs_read32(GUEST_IDTR_LIMIT);
+        dt->address = vmcs_readl(GUEST_IDTR_BASE);
 }
 
-static void vmx_set_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void vmx_set_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
-        vmcs_write32(GUEST_IDTR_LIMIT, dt->limit);
-        vmcs_writel(GUEST_IDTR_BASE, dt->base);
+        vmcs_write32(GUEST_IDTR_LIMIT, dt->size);
+        vmcs_writel(GUEST_IDTR_BASE, dt->address);
 }
 
-static void vmx_get_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void vmx_get_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
-        dt->limit = vmcs_read32(GUEST_GDTR_LIMIT);
-        dt->base = vmcs_readl(GUEST_GDTR_BASE);
+        dt->size = vmcs_read32(GUEST_GDTR_LIMIT);
+        dt->address = vmcs_readl(GUEST_GDTR_BASE);
 }
 
-static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
+static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
 {
-        vmcs_write32(GUEST_GDTR_LIMIT, dt->limit);
-        vmcs_writel(GUEST_GDTR_BASE, dt->base);
+        vmcs_write32(GUEST_GDTR_LIMIT, dt->size);
+        vmcs_writel(GUEST_GDTR_BASE, dt->address);
 }
 
 static bool rmode_segment_valid(struct kvm_vcpu *vcpu, int seg)
@@ -2334,7 +2334,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
         u32 junk;
         u64 host_pat, tsc_this, tsc_base;
         unsigned long a;
-        struct descriptor_table dt;
+        struct desc_ptr dt;
         int i;
         unsigned long kvm_vmx_return;
         u32 exec_control;
@@ -2416,7 +2416,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
         vmcs_write16(HOST_TR_SELECTOR, GDT_ENTRY_TSS*8);  /* 22.2.4 */
 
         kvm_get_idt(&dt);
-        vmcs_writel(HOST_IDTR_BASE, dt.base);   /* 22.2.4 */
+        vmcs_writel(HOST_IDTR_BASE, dt.address);   /* 22.2.4 */
 
         asm("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return));
         vmcs_writel(HOST_RIP, kvm_vmx_return); /* 22.2.5 */