1 files changed, 13 insertions, 2 deletions

diff --git a/arch/parisc/include/asm/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
index 59be25764433..a81226257878 100644
--- a/arch/parisc/include/asm/mmu_context.h
+++ b/arch/parisc/include/asm/mmu_context.h
@@ -49,15 +49,26 @@ static inline void load_context(mm_context_t context)
         mtctl(__space_to_prot(context), 8);
 }
 
-static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk)
+static inline void switch_mm_irqs_off(struct mm_struct *prev,
+                struct mm_struct *next, struct task_struct *tsk)
 {
-
         if (prev != next) {
                 mtctl(__pa(next->pgd), 25);
                 load_context(next->context);
         }
 }
 
+static inline void switch_mm(struct mm_struct *prev,
+                struct mm_struct *next, struct task_struct *tsk)
+{
+        unsigned long flags;
+
+        local_irq_save(flags);
+        switch_mm_irqs_off(prev, next, tsk);
+        local_irq_restore(flags);
+}
+#define switch_mm_irqs_off switch_mm_irqs_off
+
 #define deactivate_mm(tsk,mm)   do { } while (0)
 
 static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)