[XEN] eliminate unused {g,i}dt{,_descr}

Signed-off-by: Jan Beulich <jbeulich@novell.com>

diff --git a/xen/arch/x86/boot/x86_32.S b/xen/arch/x86/boot/x86_32.S
index 432833b54254f5b3bd9de42e614aaa18f0659b96..e0f2e096431ff336a3172b4b66234df99a3f6c79 100644 (file)
--- a/xen/arch/x86/boot/x86_32.S
+++ b/xen/arch/x86/boot/x86_32.S
@@ -196,21 +196,16 @@ ENTRY(stack_start)
         
 /*** DESCRIPTOR TABLES ***/
 
-.globl idt
-.globl gdt        
-
         ALIGN
         
         .word   0    
 idt_descr:
         .word   256*8-1
-idt:
         .long   idt_table
 
         .word   0
 gdt_descr:
         .word   LAST_RESERVED_GDT_BYTE
-gdt:
         .long   gdt_table - FIRST_RESERVED_GDT_BYTE
 
         .word   0

diff --git a/xen/arch/x86/boot/x86_64.S b/xen/arch/x86/boot/x86_64.S
index 334f929888905c1657ea9804a5b1e138aee8d4e0..5a8a111b596dfe2d811bfc750cdd616c8bebf86f 100644 (file)
--- a/xen/arch/x86/boot/x86_64.S
+++ b/xen/arch/x86/boot/x86_64.S
@@ -192,9 +192,6 @@ ignore_int:
 
 /*** DESCRIPTOR TABLES ***/
 
-.globl idt
-.globl gdt        
-
         .align 8, 0xCC
 multiboot_ptr:
         .long   0
@@ -210,13 +207,11 @@ cpuid_ext_features:
         .word   0
 gdt_descr:
         .word   LAST_RESERVED_GDT_BYTE
-gdt:
         .quad   gdt_table - FIRST_RESERVED_GDT_BYTE
 
         .word   0,0,0
 idt_descr:
         .word   256*16-1
-idt:
         .quad   idt_table
 
 ENTRY(stack_start)

diff --git a/xen/include/asm-x86/desc.h b/xen/include/asm-x86/desc.h
index f7d60fae61e50fd44a15091119e46e6b42549fd6..c2262d79fb5fcb0aca7c0d8bf74518e20d227e66 100644 (file)
--- a/xen/include/asm-x86/desc.h
+++ b/xen/include/asm-x86/desc.h
@@ -155,17 +155,12 @@ __asm__ __volatile__ ("movw %w3,0(%2)\n\t" \
 #endif
 
 extern struct desc_struct gdt_table[];
-extern struct desc_struct *gdt;
-extern idt_entry_t        *idt;
 
 struct Xgt_desc_struct {
     unsigned short size;
     unsigned long address __attribute__((packed));
 };
 
-#define idt_descr (*(struct Xgt_desc_struct *)((char *)&idt - 2))
-#define gdt_descr (*(struct Xgt_desc_struct *)((char *)&gdt - 2))
-
 extern void set_intr_gate(unsigned int irq, void * addr);
 extern void set_system_gate(unsigned int n, void *addr);
 extern void set_task_gate(unsigned int n, unsigned int sel);