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x86: use the same data type for tls_array.

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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>
This commit is contained in:
Glauber de Oliveira Costa 2008-01-30 13:31:14 +01:00 committed by Ingo Molnar
parent 881c2975d0
commit 26048d75e8
2 changed files with 3 additions and 2 deletions
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2
include/asm-x86/desc_64.h
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@ -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];

3
include/asm-x86/processor_64.h
View File

@ -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 { \