diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c
index d783361..975899d 100644
--- a/arch/sh/mm/cache-sh2a.c
+++ b/arch/sh/mm/cache-sh2a.c
@@ -102,10 +102,12 @@
 	struct flusher_data *data = args;
 	unsigned long start, end;
 	unsigned long v;
+	unsigned long flags;
 
 	start = data->addr1 & ~(L1_CACHE_BYTES-1);
 	end = (data->addr2 + L1_CACHE_BYTES-1) & ~(L1_CACHE_BYTES-1);
 
+	local_irq_save(flags);
 	jump_to_uncached();
 
 	for (v = start; v < end; v+=L1_CACHE_BYTES) {
@@ -120,10 +122,12 @@
 			}
 		}
 		/* I-Cache invalidate */
-		ctrl_outl(addr, CACHE_IC_ADDRESS_ARRAY | addr | 0x00000008);
+		ctrl_outl(addr,
+			  CACHE_IC_ADDRESS_ARRAY | addr | 0x00000008);
 	}
 
 	back_to_cached();
+	local_irq_restore(flags);
 }
 
 void __init sh2a_cache_init(void)