diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 74a257b23383..e210f89a2449 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -45,11 +45,11 @@ struct pgid {
 	union {
 		__u8 fc;   	/* SPID function code */
 		struct path_state ps;	/* SNID path state */
-	} inf;
+	} __attribute__ ((packed)) inf;
 	union {
 		__u32 cpu_addr	: 16;	/* CPU address */
 		struct extended_cssid ext_cssid;
-	} pgid_high;
+	} __attribute__ ((packed)) pgid_high;
 	__u32 cpu_id	: 24;	/* CPU identification */
 	__u32 cpu_model : 16;	/* CPU model */
 	__u32 tod_high;		/* high word TOD clock */
diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h
index db0606c1abd4..bea727904287 100644
--- a/include/asm-s390/lowcore.h
+++ b/include/asm-s390/lowcore.h
@@ -98,8 +98,8 @@
 #define __LC_KERNEL_ASCE		0xD58
 #define __LC_USER_ASCE			0xD60
 #define __LC_PANIC_STACK                0xD68
-#define __LC_CPUID                      0xD90
-#define __LC_CPUADDR                    0xD98
+#define __LC_CPUID			0xD80
+#define __LC_CPUADDR			0xD88
 #define __LC_IPLDEV                     0xDB8
 #define __LC_JIFFY_TIMER		0xDC0
 #define __LC_CURRENT			0xDD8