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authorVasily Gorbik <gor@linux.ibm.com>2018-06-28 13:12:27 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-07-02 11:25:01 +0200
commit3ad4c05a53b5f816fb0480ca0c55cc7957bbf5f1 (patch)
tree8aa7572e208c59d18ef1ec80c6eaca5a72409f0f /arch/s390/include/asm/lowcore.h
parents390/decompressor: correct EXCLUDE_FILE construct (diff)
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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: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/lowcore.h')
-rw-r--r--arch/s390/include/asm/lowcore.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 5bc888841eaf..406d940173ab 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -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))