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, 0 insertions, 9 deletions

diff --git a/include/asm-x86/desc_64.h b/include/asm-x86/desc_64.h
index 448f96ed973f..a7a6c301c6bc 100644
--- a/include/asm-x86/desc_64.h
+++ b/include/asm-x86/desc_64.h
@@ -156,15 +156,6 @@ static inline void load_TLS(struct thread_struct *t, unsigned int cpu)
                 gdt[i] = t->tls_array[i];
 }
 
-static inline unsigned long get_desc_base(const void *ptr)
-{
-        const u32 *desc = ptr;
-        unsigned long base;
-        base = ((desc[0] >> 16)  & 0x0000ffff) |
-                ((desc[1] << 16) & 0x00ff0000) |
-                (desc[1] & 0xff000000);
-        return base;
-}
 #endif /* !__ASSEMBLY__ */
 
 #endif