x86: convert mm_context_t semaphore to a mutex

[ tglx: arch/x86 adaptation ]

Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-x86/mmu_64.h b/include/asm-x86/mmu_64.h
index d2cd4a9d984d..024357c27222 100644
--- a/include/asm-x86/mmu_64.h
+++ b/include/asm-x86/mmu_64.h
@@ -2,7 +2,7 @@
 #define __x86_64_MMU_H
 
 #include <linux/spinlock.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 /*
  * The x86_64 doesn't have a mmu context, but
@@ -14,7 +14,7 @@ typedef struct {
         void *ldt;
         rwlock_t ldtlock; 
         int size;
-        struct semaphore sem; 
+        struct mutex lock;
         void *vdso;
 } mm_context_t;