1 files changed, 3 insertions, 3 deletions

diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h
index 4be40c58e3c1..ca36ea96f64b 100644
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -67,14 +67,14 @@ extern void __flush_tlb_mm(unsigned long, unsigned long);
 /* Switch the current MM context.  Interrupts are disabled.  */
 static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk)
 {
-        unsigned long ctx_valid;
+        unsigned long ctx_valid, flags;
         int cpu;
 
-        spin_lock(&mm->context.lock);
+        spin_lock_irqsave(&mm->context.lock, flags);
         ctx_valid = CTX_VALID(mm->context);
         if (!ctx_valid)
                 get_new_mmu_context(mm);
-        spin_unlock(&mm->context.lock);
+        spin_unlock_irqrestore(&mm->context.lock, flags);
 
         if (!ctx_valid || (old_mm != mm)) {
                 load_secondary_context(mm);