use inline assembler to load the IDT

arch/x86/kernel/entry.asm

@@ -103,14 +103,7 @@ gdt_flush:
 flush2:
     ret
 
-; Loads the IDT defined in '_idtp' into the processor.
-; This is declared in C as 'extern void idt_load();'
-global idt_load
-extern idtp
-idt_load:
-    lidt [idtp]
-    ret
-
+; determines the current instruction pointer (after the jmp)
 global read_eip
 read_eip:
     pop eax                     ; Get the return address

arch/x86/kernel/idt.c

@@ -43,10 +43,7 @@ typedef struct {
  * "Unhandled Interrupt" exception 
  */
 static idt_entry_t idt[256] = {[0 ... 255] = {0, 0, 0, 0, 0}};
-idt_ptr_t idtp;
-
-/* This exists in 'start.asm', and is used to load our IDT */
-extern void idt_load(void);
+static idt_ptr_t idtp;
 
 /* 
  * Use this function to set an entry in the IDT. Alot simpler
@@ -81,5 +78,5 @@ void idt_install(void)
 		IDT_FLAG_PRESENT|IDT_FLAG_RING3|IDT_FLAG_32BIT|IDT_FLAG_TRAPGATE);
 
 	/* Points the processor's internal register to the new IDT */
-	idt_load();
+	asm volatile("lidt %0" : : "m" (idtp));
 }