s390/smp: make absolute lowcore / cpu restart parameter accesses more robust

[deliverable/linux.git] / arch / s390 / include / asm / lowcore.h

diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 47853debb3b9de98eed2a3ac70a0cb95c3a19412..a47c6e221a9528c190a5ae979bdd3dadd4390850 100644 (file)
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -302,12 +302,7 @@ struct _lowcore {
         */
        __u64   ipib;                           /* 0x0e00 */
        __u32   ipib_checksum;                  /* 0x0e08 */
-       /*
-        * 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 */
+       __u64   vmcore_info;                    /* 0x0e0c */
        __u8    pad_0x0e14[0x0e18-0x0e14];      /* 0x0e14 */
        __u64   os_info;                        /* 0x0e18 */
        __u8    pad_0x0e20[0x0f00-0x0e20];      /* 0x0e20 */