xen: clean up gate trap/interrupt constants
Jeremy Fitzhardinge [Mon, 30 Mar 2009 05:57:15 +0000 (22:57 -0700)]
Use GATE_INTERRUPT/TRAP rather than 0xe/f.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

arch/x86/xen/enlighten.c

index 80f4c53..12a3159 100644 (file)
@@ -428,7 +428,7 @@ static void xen_write_ldt_entry(struct desc_struct *dt, int entrynum,
 static int cvt_gate_to_trap(int vector, const gate_desc *val,
                            struct trap_info *info)
 {
-       if (val->type != 0xf && val->type != 0xe)
+       if (val->type != GATE_TRAP && val->type != GATE_INTERRUPT)
                return 0;
 
        info->vector = vector;
@@ -436,8 +436,8 @@ static int cvt_gate_to_trap(int vector, const gate_desc *val,
        info->cs = gate_segment(*val);
        info->flags = val->dpl;
        /* interrupt gates clear IF */
-       if (val->type == 0xe)
-               info->flags |= 4;
+       if (val->type == GATE_INTERRUPT)
+               info->flags |= 1 << 2;
 
        return 1;
 }