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 <[email protected]>
---
include/asm-x86/desc_64.h | 2 +-
include/asm-x86/processor_64.h | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/asm-x86/desc_64.h b/include/asm-x86/desc_64.h
index 2dc19e2..7fd9876 100644
--- 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 5689a8a..742090f 100644
--- 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
@@ -241,7 +242,7 @@ struct thread_struct {
/* MSR_IA32_DEBUGCTLMSR value to switch in if TIF_DEBUGCTLMSR is set. */
unsigned long debugctlmsr;
/* 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 { \
--
1.4.4.2
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