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x86: change write_idt_entry signature

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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>
This commit is contained in:
Glauber de Oliveira Costa
2008-01-30 13:31:12 +01:00
committed by Ingo Molnar
parent 010d4f8221
commit 8d947344c4
6 changed files with 32 additions and 16 deletions
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9
arch/x86/lguest/boot.c
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@@ -217,13 +217,14 @@ 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