x86/ldt: Rework locking

[linux-2.6-microblaze.git] / arch / x86 / include / asm / mmu_context.h

diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
index c761624..4fdbe5e 100644 (file)
--- a/arch/x86/include/asm/mmu_context.h
+++ b/arch/x86/include/asm/mmu_context.h
@@ -132,6 +132,8 @@ void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk);
 static inline int init_new_context(struct task_struct *tsk,
                                   struct mm_struct *mm)
 {
+       mutex_init(&mm->context.lock);
+
        mm->context.ctx_id = atomic64_inc_return(&last_mm_ctx_id);
        atomic64_set(&mm->context.tlb_gen, 0);