Re: [Qemu-devel] [PULL 0/6] kdump patches for s390x/kvm

[Alexander Graf]

On 29.08.2013, at 23:10, Christian Borntraeger wrote:

> Alex, can you either Ack or Pull the following patches:

Patch 1 needs some rework.
Patches 2-6 are:

  Acked-by: Alexander Graf <address@hidden>


Alex

> 
> The following changes since commit 951fab990db05d47ab9da5e72521e406c73a3eb9:
> 
>  target-mips: fix get_physical_address() #if 0 build error (2013-08-28 
> 19:28:02 +0200)
> 
> are available in the git repository at:
> 
>  git://github.com/borntraeger/qemu.git tags/kdump
> 
> for you to fetch changes up to 8f288cfca867ac708cc371192e80947a83663833:
> 
>  s390: wire up nmi command to raise a RESTART interrupt on S390 (2013-08-29 
> 14:09:58 +0200)
> 
> ----------------------------------------------------------------
> This is a set of patches dealing with kdump support for s390x/kvm.
> kdump on s390x uses subcode 1 of diagnose 0x308 to put the hardware
> in a defined state. This is different from a full reset, since it
> does not touch all CPU registers.
> These patches define the cpu resets, the subsystem reset a load
> function and also wires up the "nmi" command to issue a RESTART
> interrupt as defined in the z/Architecture principles of operation.
> 
> This allows recent guest kernels with properly setup userspace
> to trigger kdump:
> - via guest crash
> - via nmi from the host
> 
> ----------------------------------------------------------------
> Christian Borntraeger (4):
>      s390: provide I/O subsystem reset
>      s390: provide a cpu load normal function
>      s390/cpu: split CPU reset into architectured functions
>      s390: Implement load normal reset
> 
> Eugene (jno) Dvurechenski (2):
>      s390/kvm: basic implementation of diagnose 308 subcode 6
>      s390: wire up nmi command to raise a RESTART interrupt on S390
> 
> cpus.c                     | 14 ++++++++
> hmp-commands.hx            |  4 +--
> hw/s390x/s390-virtio-ccw.c | 15 +++++++++
> qmp-commands.hx            |  2 +-
> target-s390x/cpu-qom.h     |  6 ++++
> target-s390x/cpu.c         | 55 ++++++++++++++++++++++++++-----
> target-s390x/cpu.h         | 17 ++++++++++
> target-s390x/kvm.c         | 81 ++++++++++++++++++++++++++++++++++++++++++++--
> 8 files changed, 180 insertions(+), 14 deletions(-)
>