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Commit 3ad4c05a authored by Vasily Gorbik's avatar Vasily Gorbik Committed by Martin Schwidefsky
Browse files

s390: align struct lowcore to double page size 



Aligning struct lowcore to double page size allows to get rid of this
gcc warning:

In file included from ./arch/s390/include/asm/setup.h:56,
                 from ./arch/s390/include/asm/page.h:36,
                 from ./arch/s390/include/asm/user.h:11,
                 from ./include/linux/user.h:1,
                 from ./include/linux/elfcore.h:5,
                 from ./include/linux/crash_core.h:6,
                 from ./include/linux/kexec.h:18,
                 from arch/s390/purgatory/purgatory.c:10:
./arch/s390/include/asm/lowcore.h:189:1: warning: alignment 1 of 'struct
lowcore' is less than 8 [-Wpacked-not-aligned]
 } __packed;

Acked-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 2d6f74f7

arch/s390/include/asm/lowcore.h

+1 −1
Original line number Diff line number Diff line
@@ -185,7 +185,7 @@ struct lowcore { 
	/* Transaction abort diagnostic block */

	__u8	pgm_tdb[256];			/* 0x1800 */

	__u8	pad_0x1900[0x2000-0x1900];	/* 0x1900 */

} __packed;

} __packed __aligned(8192);



#define S390_lowcore (*((struct lowcore *) 0))