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

From: Michael Mueller
Date: Fri May 16 2014 - 10:49:25 EST


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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