1 files changed, 6 insertions, 1 deletions

diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index a47c6e221a95..47853debb3b9 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -302,7 +302,12 @@ struct _lowcore {
          */
         __u64   ipib;                           /* 0x0e00 */
         __u32   ipib_checksum;                  /* 0x0e08 */
-        __u64   vmcore_info;                    /* 0x0e0c */
+        /*
+         * Because the vmcore_info pointer is not 8 byte aligned it never
+         * should not be accessed directly. For accessing the pointer, first
+         * copy it to a local pointer variable.
+         */
+        __u8    vmcore_info[8];                 /* 0x0e0c */
         __u8    pad_0x0e14[0x0e18-0x0e14];      /* 0x0e14 */
         __u64   os_info;                        /* 0x0e18 */
         __u8    pad_0x0e20[0x0f00-0x0e20];      /* 0x0e20 */