diff options
| author | Farhan Ali <alifm@linux.vnet.ibm.com> | 2017-08-25 09:24:46 -0400 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2017-08-31 12:01:54 -0500 |
| commit | e22e199b2bb1df99ec66a801f89669f0683f32c5 (patch) | |
| tree | d11620dee147c0bbd046dd5ba4604535276ba0e7 | |
| parent | 503518416597cff41d4439555e5fceecdcc43400 (diff) | |
s390-ccw: Fix alignment for CCW1
The commit 198c0d1f9df8c4 s390x/css: check ccw address validity
exposes an alignment issue in ccw bios.
According to PoP the CCW must be doubleword aligned. Let's fix
this in the bios.
Cc: qemu-stable@nongnu.org
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Eric Farman <farman@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <3ed8b810b6592daee6a775037ce21f850e40647d.1503667215.git.alifm@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
(cherry picked from commit 3a1e4561ad63b303b092387ae006bd41468ece63)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | pc-bios/s390-ccw/cio.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/pc-bios/s390-ccw/cio.h b/pc-bios/s390-ccw/cio.h index f5b4549ea3..55eaeee4b6 100644 --- a/pc-bios/s390-ccw/cio.h +++ b/pc-bios/s390-ccw/cio.h @@ -133,7 +133,7 @@ struct ccw1 { __u8 flags; __u16 count; __u32 cda; -} __attribute__ ((packed)); +} __attribute__ ((packed, aligned(8))); #define CCW_FLAG_DC 0x80 #define CCW_FLAG_CC 0x40 |