diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index d8be016d2ede49e750ad68c478203afe7b45f9a7..ff0005eec7dd0d3d3c54946bcbf51cdfdf8bb569 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -951,7 +951,14 @@
 #ifdef CONFIG_PPC64
 
 extern void ppc64_runlatch_on(void);
-extern void ppc64_runlatch_off(void);
+extern void __ppc64_runlatch_off(void);
+
+#define ppc64_runlatch_off()					\
+	do {							\
+		if (cpu_has_feature(CPU_FTR_CTRL) &&		\
+		    test_thread_flag(TIF_RUNLATCH))		\
+			__ppc64_runlatch_off();			\
+	} while (0)
 
 extern unsigned long scom970_read(unsigned int address);
 extern void scom970_write(unsigned int address, unsigned long value);
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 986fedf7e2783a397f2a4cc1faa2c5d150ca4170..b1c648a36b03cbc2d08104b30ccd21e14bf70644 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1199,19 +1199,17 @@ void ppc64_runlatch_on(void)
 	}
 }
 
-void ppc64_runlatch_off(void)
+void __ppc64_runlatch_off(void)
 {
 	unsigned long ctrl;
 
-	if (cpu_has_feature(CPU_FTR_CTRL) && test_thread_flag(TIF_RUNLATCH)) {
-		HMT_medium();
+	HMT_medium();
 
-		clear_thread_flag(TIF_RUNLATCH);
+	clear_thread_flag(TIF_RUNLATCH);
 
-		ctrl = mfspr(SPRN_CTRLF);
-		ctrl &= ~CTRL_RUNLATCH;
-		mtspr(SPRN_CTRLT, ctrl);
-	}
+	ctrl = mfspr(SPRN_CTRLF);
+	ctrl &= ~CTRL_RUNLATCH;
+	mtspr(SPRN_CTRLT, ctrl);
 }
 #endif