x86: Call hang() on unrecoverable exception

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>

arch/x86/cpu/interrupts.c

@@ -255,7 +255,7 @@ void irq_llsr(struct irq_regs *regs)
 	case 0x00:
 		printf("Divide Error (Division by zero)\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x01:
 		printf("Debug Interrupt (Single step)\n");
@@ -272,32 +272,32 @@ void irq_llsr(struct irq_regs *regs)
 	case 0x04:
 		printf("Overflow\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x05:
 		printf("BOUND Range Exceeded\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x06:
 		printf("Invalid Opcode (UnDefined Opcode)\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x07:
 		printf("Device Not Available (No Math Coprocessor)\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x08:
 		printf("Double fault\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x09:
 		printf("Co-processor segment overrun\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x0a:
 		printf("Invalid TSS\n");
@@ -306,12 +306,12 @@ void irq_llsr(struct irq_regs *regs)
 	case 0x0b:
 		printf("Segment Not Present\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x0c:
 		printf("Stack Segment Fault\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x0d:
 		printf("General Protection\n");
@@ -320,7 +320,7 @@ void irq_llsr(struct irq_regs *regs)
 	case 0x0e:
 		printf("Page fault\n");
 		dump_regs(regs);
-		while(1);
+		hang();
 		break;
 	case 0x0f:
 		printf("Floating-Point Error (Math Fault)\n");