x86: change write_idt_entry signature

this patch changes write_idt_entry signature. It now takes a gate_desc
instead of the a and b parameters. It will allow it to be later unified
between i386 and x86_64.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
CC: Zachary Amsden <zach@vmware.com>
CC: Jeremy Fitzhardinge <Jeremy.Fitzhardinge.citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index c32e0fd0f838..b7b7346d8cdc 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -399,8 +399,7 @@ static DEFINE_PER_CPU(struct desc_ptr, idt_desc);
 
 /* Set an IDT entry.  If the entry is part of the current IDT, then
    also update Xen. */
-static void xen_write_idt_entry(struct desc_struct *dt, int entrynum,
-                                u32 low, u32 high)
+static void xen_write_idt_entry(gate_desc *dt, int entrynum, const gate_desc *g)
 {
         unsigned long p = (unsigned long)&dt[entrynum];
         unsigned long start, end;
@@ -412,14 +411,15 @@ static void xen_write_idt_entry(struct desc_struct *dt, int entrynum,
 
         xen_mc_flush();
 
-        write_dt_entry(dt, entrynum, low, high);
+        native_write_idt_entry(dt, entrynum, g);
 
         if (p >= start && (p + 8) <= end) {
                 struct trap_info info[2];
+                u32 *desc = (u32 *)g;
 
                 info[1].address = 0;
 
-                if (cvt_gate_to_trap(entrynum, low, high, &info[0]))
+                if (cvt_gate_to_trap(entrynum, desc[0], desc[1], &info[0]))
                         if (HYPERVISOR_set_trap_table(info))
                                 BUG();
         }