Re: [Qemu-devel] [PATCH 0/4] s390x/kvm: add support to change the IPL device in guest

[Christian Borntraeger]

Am 12.02.2015 um 18:02 schrieb Jens Freimann:
> Cornelia, Alex, Christian,
> 
> these patches add support to chane the IPL device from within the guest.
> 
> Jens
> 
> 
> Fan Zhang (4):
>   s390x/ipl: always load the bios for ccw machine
>   s390x/ipl: support diagnose 308 subcodes 5 and 6
>   s390x/ipl: drop reipl parameters on resets
>   s390x/ipl: make s390x ipl device aware of migration
> 
>  hw/s390x/ipl.c             | 233 
> +++++++++++++++++++++++++++++++++------------
>  hw/s390x/ipl.h             |  25 +++++
>  hw/s390x/s390-virtio-ccw.c |   2 +-
>  hw/s390x/s390-virtio.c     |   8 +-
>  hw/s390x/s390-virtio.h     |   3 +-
>  target-s390x/kvm.c         |   3 +-
>  target-s390x/misc_helper.c |  33 ++++++-
>  7 files changed, 240 insertions(+), 67 deletions(-)
>  create mode 100644 hw/s390x/ipl.h
> 

Thanks
Tested and applied to s390/queue

- /sys/firmware/reipl/ works
- lsreipl works
- using a slightly fixed chreipl  works
- data is keep  during managedsave/restore
- switch from external kernel to disk also works