Re: [Qemu-devel] [PATCH for-2.6 00/14] s390-ccw bios patches

[Christian Borntraeger <borntraeger@de.ibm.com>]

On 03/18/2016 03:21 PM, Cornelia Huck wrote:
> A final round of patches for the s390-ccw bios that allow us to
> boot from virtio-scsi devices. They have been through our internal
> testing for some months now (so they should be stable), but I can
> only send them now due to factors beyond our control.
> 
> I plan to send a pull request next week.
> 
> Cornelia Huck (1):
>   s390-ccw.img: rebuild image
> 
> Eugene (jno) Dvurechenski (13):
>   pc-bios/s390-ccw: add more disk layout checks
>   pc-bios/s390-ccw: virtio_panic -> panic
>   pc-bios/s390-ccw: add utility functions and "export" some others
>   pc-bios/s390-ccw: qemuize types
>   pc-bios/s390-ccw: update virtio implementation to allow up to 3 vrings
>   pc-bios/s390-ccw: add vdev object to store all device details
>   pc-bios/s390-ccw: make provisions for different backends
>   pc-bios/s390-ccw: add simplified virtio call
>   pc-bios/s390-ccw: add scsi definitions
>   pc-bios/s390-ccw: add virtio-scsi implementation
>   pc-bios/s390-ccw: enable virtio-scsi
>   pc-bios/s390-ccw: enhance bootmap detection
>   pc-bios/s390-ccw: disambiguation of "No zIPL magic" message
> 
>  pc-bios/s390-ccw.img           | Bin 17760 -> 26424 bytes
>  pc-bios/s390-ccw/Makefile      |   2 +-
>  pc-bios/s390-ccw/bootmap.c     | 129 +++++++----
>  pc-bios/s390-ccw/bootmap.h     |   9 -
>  pc-bios/s390-ccw/main.c        |  25 +--
>  pc-bios/s390-ccw/s390-ccw.h    |  54 ++++-
>  pc-bios/s390-ccw/scsi.h        | 184 ++++++++++++++++
>  pc-bios/s390-ccw/virtio-scsi.c | 342 +++++++++++++++++++++++++++++
>  pc-bios/s390-ccw/virtio-scsi.h |  72 +++++++
>  pc-bios/s390-ccw/virtio.c      | 479 +++++++++++++++++++++++++++--------------
>  pc-bios/s390-ccw/virtio.h      | 218 +++++++++++++------
>  11 files changed, 1220 insertions(+), 294 deletions(-)
>  create mode 100644 pc-bios/s390-ccw/scsi.h
>  create mode 100644 pc-bios/s390-ccw/virtio-scsi.c
>  create mode 100644 pc-bios/s390-ccw/virtio-scsi.h
> 

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>

this seems to be very low risk as it only touches the bios so fine for 2.6
from my point of view.