x86: change write_gdt_entry signature.

[safe/jmp/linux-2.6] / arch / x86 / lguest / boot.c

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index ea46d05..a633737 100644 (file)
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -217,19 +217,20 @@ static void irq_enable(void)
  * address of the handler, and... well, who cares?  The Guest just asks the
  * Host to make the change anyway, because the Host controls the real IDT.
  */
-static void lguest_write_idt_entry(struct desc_struct *dt,
-                                  int entrynum, u32 low, u32 high)
+static void lguest_write_idt_entry(gate_desc *dt,
+                                  int entrynum, const gate_desc *g)
 {
+       u32 *desc = (u32 *)g;
        /* Keep the local copy up to date. */
-       write_dt_entry(dt, entrynum, low, high);
+       native_write_idt_entry(dt, entrynum, g);
        /* Tell Host about this new entry. */
-       hcall(LHCALL_LOAD_IDT_ENTRY, entrynum, low, high);
+       hcall(LHCALL_LOAD_IDT_ENTRY, entrynum, desc[0], desc[1]);
 }
 
 /* Changing to a different IDT is very rare: we keep the IDT up-to-date every
  * time it is written, so we can simply loop through all entries and tell the
  * Host about them. */
-static void lguest_load_idt(const struct Xgt_desc_struct *desc)
+static void lguest_load_idt(const struct desc_ptr *desc)
 {
        unsigned int i;
        struct desc_struct *idt = (void *)desc->address;
@@ -252,7 +253,7 @@ static void lguest_load_idt(const struct Xgt_desc_struct *desc)
  * hypercall and use that repeatedly to load a new IDT.  I don't think it
  * really matters, but wouldn't it be nice if they were the same?
  */
-static void lguest_load_gdt(const struct Xgt_desc_struct *desc)
+static void lguest_load_gdt(const struct desc_ptr *desc)
 {
        BUG_ON((desc->size+1)/8 != GDT_ENTRIES);
        hcall(LHCALL_LOAD_GDT, __pa(desc->address), GDT_ENTRIES, 0);
@@ -261,10 +262,10 @@ static void lguest_load_gdt(const struct Xgt_desc_struct *desc)
 /* For a single GDT entry which changes, we do the lazy thing: alter our GDT,
  * then tell the Host to reload the entire thing.  This operation is so rare
  * that this naive implementation is reasonable. */
-static void lguest_write_gdt_entry(struct desc_struct *dt,
-                                  int entrynum, u32 low, u32 high)
+static void lguest_write_gdt_entry(struct desc_struct *dt, int entrynum,
+                                  const void *desc, int type)
 {
-       write_dt_entry(dt, entrynum, low, high);
+       native_write_gdt_entry(dt, entrynum, desc, type);
        hcall(LHCALL_LOAD_GDT, __pa(dt), GDT_ENTRIES, 0);
 }
 
@@ -755,10 +756,10 @@ static void lguest_time_init(void)
  * segment), the privilege level (we're privilege level 1, the Host is 0 and
  * will not tolerate us trying to use that), the stack pointer, and the number
  * of pages in the stack. */
-static void lguest_load_esp0(struct tss_struct *tss,
+static void lguest_load_sp0(struct tss_struct *tss,
                                     struct thread_struct *thread)
 {
-       lazy_hcall(LHCALL_SET_STACK, __KERNEL_DS|0x1, thread->esp0,
+       lazy_hcall(LHCALL_SET_STACK, __KERNEL_DS|0x1, thread->sp0,
                   THREAD_SIZE/PAGE_SIZE);
 }
 
@@ -957,7 +958,7 @@ __init void lguest_init(void)
        pv_cpu_ops.cpuid = lguest_cpuid;
        pv_cpu_ops.load_idt = lguest_load_idt;
        pv_cpu_ops.iret = lguest_iret;
-       pv_cpu_ops.load_esp0 = lguest_load_esp0;
+       pv_cpu_ops.load_sp0 = lguest_load_sp0;
        pv_cpu_ops.load_tr_desc = lguest_load_tr_desc;
        pv_cpu_ops.set_ldt = lguest_set_ldt;
        pv_cpu_ops.load_tls = lguest_load_tls;