x86: use the same data type for tls_array.

This patch changes the type of tls_array in x86_64 to
a desc_struct. Now, both i386 and x86_64 tls_array have
the same type, and code accessing it can be shared.

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>

diff --git a/include/asm-x86/desc_64.h b/include/asm-x86/desc_64.h
index c037c7d55b92189a4b6b4b2d4824efa95535b786..448f96ed973fa77f7352be3a7149240108adf044 100644 (file)
--- a/include/asm-x86/desc_64.h
+++ b/include/asm-x86/desc_64.h
@@ -150,7 +150,7 @@ static inline void set_ldt(void *addr, int entries)
 static inline void load_TLS(struct thread_struct *t, unsigned int cpu)
 {
        unsigned int i;
-       u64 *gdt = (u64 *)(get_cpu_gdt_table(cpu) + GDT_ENTRY_TLS_MIN);
+       struct desc_struct *gdt = (get_cpu_gdt_table(cpu) + GDT_ENTRY_TLS_MIN);
 
        for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++)
                gdt[i] = t->tls_array[i];

diff --git a/include/asm-x86/processor_64.h b/include/asm-x86/processor_64.h
index 7b7f8a142e205b29074082209003491af7782d59..a0a9e551509774924245639cf72c50c980b4672d 100644 (file)
--- a/include/asm-x86/processor_64.h
+++ b/include/asm-x86/processor_64.h
@@ -19,6 +19,7 @@
 #include <linux/personality.h>
 #include <linux/cpumask.h>
 #include <asm/processor-flags.h>
+#include <asm/desc_defs.h>
 
 #define TF_MASK                0x00000100
 #define IF_MASK                0x00000200
@@ -244,7 +245,7 @@ struct thread_struct {
  *               goes into MSR_IA32_DS_AREA */
        unsigned long   ds_area_msr;
 /* cached TLS descriptors. */
-       u64 tls_array[GDT_ENTRY_TLS_ENTRIES];
+       struct desc_struct tls_array[GDT_ENTRY_TLS_ENTRIES];
 } __attribute__((aligned(16)));
 
 #define INIT_THREAD  { \