diff options
| author | Jens Freimann <jfrei@linux.vnet.ibm.com> | 2012-04-26 09:03:36 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-05-01 21:04:06 +0200 |
| commit | 4170aea1a77d7adf9e35ab4d3c17086c38ca6c09 (patch) | |
| tree | 4d4f50dff271275e102569c86aea1a12e96bdfc3 /hw/s390-virtio.c | |
| parent | eca3ed0343ba413937f34ad4f8c4822dc82924e5 (diff) | |
s390: reset avail and used index on reboot
reset the guest vring avail/used idx fields, otherwise it's possible
that old values remain in memory which would cause a reboot to fail
with a "Guest moved used index" message
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'hw/s390-virtio.c')
| -rw-r--r-- | hw/s390-virtio.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/s390-virtio.c b/hw/s390-virtio.c index d7dc8571d8..c0e19fd66d 100644 --- a/hw/s390-virtio.c +++ b/hw/s390-virtio.c @@ -99,6 +99,7 @@ int s390_virtio_hypercall(CPUS390XState *env, uint64_t mem, uint64_t hypercall) virtio_reset(dev->vdev); stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS, 0); s390_virtio_device_sync(dev); + s390_virtio_reset_idx(dev); break; } case KVM_S390_VIRTIO_SET_STATUS: |