x86: modify get_desc_base

This patch makes get_desc_base() receive a struct desc_struct,
and then uses its internal fields to compute the base address.
This is done at both i386 and x86_64, and then it is moved
to common header

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/mm/fault_32.c b/arch/x86/mm/fault_32.c
index 6056c6d71835..ef5ab2b925c4 100644
--- a/arch/x86/mm/fault_32.c
+++ b/arch/x86/mm/fault_32.c
@@ -115,7 +115,7 @@ static inline unsigned long get_segment_eip(struct pt_regs *regs,
 	}
 
 	/* Decode the code segment base from the descriptor */
-	base = get_desc_base((unsigned long *)desc);
+	base = get_desc_base((struct desc_struct *)desc);
 
 	if (seg & (1<<2)) { 
 		mutex_unlock(&current->mm->context.lock);