diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index de8df96..6810de3 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -413,8 +413,10 @@
 }
 
 #ifdef CONFIG_PROC_FS
+/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */
 static const char *cpu_flags[] = {
-	"none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", "ptea", NULL
+	"none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr",
+	"ptea", "llsc", NULL
 };
 
 static void show_cpuflags(struct seq_file *m)
diff --git a/include/asm-sh/cpu-features.h b/include/asm-sh/cpu-features.h
index e398947..e1260aa 100644
--- a/include/asm-sh/cpu-features.h
+++ b/include/asm-sh/cpu-features.h
@@ -3,6 +3,14 @@
 
 /*
  * Processor flags
+ *
+ * Note: When adding a new flag, keep cpu_flags[] in
+ * arch/sh/kernel/setup.c in sync so symbolic name
+ * mapping of the processor flags has a chance of being
+ * reasonably accurate.
+ *
+ * These flags are also available through the ELF
+ * auxiliary vector as AT_HWCAP.
  */
 #define CPU_HAS_FPU		0x0001	/* Hardware FPU support */
 #define CPU_HAS_P2_FLUSH_BUG	0x0002	/* Need to flush the cache in P2 area */