Re: [PATCH v1 RFC 0/6] KVM: s390: cpu model implementation

[Michael Mueller]

On Fri, 16 May 2014 13:32:09 +0200
Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:

> On 13/05/14 16:58, Michael Mueller wrote:
> > The proposed patch set implements S390 cpu model support in kvm. A cpu
> > model is defined by a triple comprizing the cpu type , the cpu facility
> > set and instruction blocking control. A consumer requests a feasible
> > combination of that that triple before vcpu creation. All subsequently
> > created vcpu's will use this cpu configuration. 
> > 
> > Michael Mueller (6):
> >   s390/sclp: add sclp_get_ibc function
> >   KVM: s390: split SIE state guest prefix field
> >   KVM: s390: use facilities and cpu_id per KVM
> >   KVM: s390: add ibc api
> >   KVM: s390: initial implementation of soft facilities
> >   KVM: s390: add cpu model support
> > 
> >  arch/s390/include/asm/kvm_host.h |  13 +-
> >  arch/s390/include/asm/sclp.h     |   1 +
> >  arch/s390/include/uapi/asm/kvm.h |  23 ++++
> >  arch/s390/kvm/Makefile           |   2 +-
> >  arch/s390/kvm/diag.c             |   2 +-
> >  arch/s390/kvm/gaccess.c          |   4 +-
> >  arch/s390/kvm/gaccess.h          |   8 +-
> >  arch/s390/kvm/ibc.c              |  29 +++++
> >  arch/s390/kvm/kvm-s390.c         | 263 +++++++++++++++++++++++++++++++++------
> >  arch/s390/kvm/kvm-s390.h         |  43 ++++++-
> >  arch/s390/kvm/priv.c             |  16 ++-
> >  arch/s390/kvm/softfac.c          |  38 ++++++
> >  drivers/s390/char/sclp_early.c   |  12 +-
> >  13 files changed, 397 insertions(+), 57 deletions(-)
> >  create mode 100644 arch/s390/kvm/ibc.c
> >  create mode 100644 arch/s390/kvm/softfac.c
> > 
> 
> I will add patch 1 and 2 to the next KVM: s390: pull request as there 
> does not seem to be potential for discussion / interface changes. 
> Everything else looks ok, but I want to wait if additional feedback 
> about the overall design comes in. 

Perfect...

> 
> Christian

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