Re: [PATCH v4 00/16] basic vfio-ccw infrastructure

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On Tue, 28 Mar 2017 10:39:40 +0200
Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:

> On 03/28/2017 10:20 AM, Cornelia Huck wrote:
> > On Fri, 17 Mar 2017 04:17:27 +0100
> > Dong Jia Shi <bjsdjshi@xxxxxxxxxxxxxxxxxx> wrote:
> >   
> >> Dong Jia Shi (16):
> >>   s390: cio: introduce cio_cancel_halt_clear
> >>   s390: cio: export more interfaces
> >>   vfio: ccw: define device_api strings
> >>   vfio: ccw: basic implementation for vfio_ccw driver
> >>   vfio: ccw: introduce channel program interfaces
> >>   vfio: ccw: register vfio_ccw to the mediated device framework
> >>   vfio: ccw: introduce ccw_io_region
> >>   vfio: ccw: handle ccw command request
> >>   vfio: ccw: realize VFIO_DEVICE_GET_REGION_INFO ioctl
> >>   vfio: ccw: realize VFIO_DEVICE_RESET ioctl
> >>   vfio: ccw: realize VFIO_DEVICE_G(S)ET_IRQ_INFO ioctls
> >>   vfio: ccw: return I/O results asynchronously
> >>   vfio: ccw: introduce a finite state machine
> >>   docs: add documentation for vfio-ccw
> >>   vfio: ccw: introduce support for ccw0
> >>   MAINTAINERS: Add vfio-ccw maintainers
> >>
> >>  Documentation/s390/00-INDEX         |   2 +
> >>  Documentation/s390/vfio-ccw.txt     | 303 +++++++++++++
> >>  MAINTAINERS                         |  10 +
> >>  arch/s390/Kconfig                   |  10 +
> >>  arch/s390/include/asm/cio.h         |  18 +
> >>  arch/s390/include/asm/isc.h         |   1 +
> >>  drivers/iommu/Kconfig               |   8 +
> >>  drivers/s390/cio/Makefile           |   3 +
> >>  drivers/s390/cio/cio.c              |  69 +++
> >>  drivers/s390/cio/cio.h              |   1 +
> >>  drivers/s390/cio/device_fsm.c       |  54 +--
> >>  drivers/s390/cio/vfio_ccw_cp.c      | 842 ++++++++++++++++++++++++++++++++++++
> >>  drivers/s390/cio/vfio_ccw_cp.h      |  42 ++
> >>  drivers/s390/cio/vfio_ccw_drv.c     | 308 +++++++++++++
> >>  drivers/s390/cio/vfio_ccw_fsm.c     | 207 +++++++++
> >>  drivers/s390/cio/vfio_ccw_ops.c     | 447 +++++++++++++++++++
> >>  drivers/s390/cio/vfio_ccw_private.h |  96 ++++
> >>  include/uapi/linux/vfio.h           |  18 +
> >>  include/uapi/linux/vfio_ccw.h       |  24 +
> >>  19 files changed, 2417 insertions(+), 46 deletions(-)
> >>  create mode 100644 Documentation/s390/vfio-ccw.txt
> >>  create mode 100644 drivers/s390/cio/vfio_ccw_cp.c
> >>  create mode 100644 drivers/s390/cio/vfio_ccw_cp.h
> >>  create mode 100644 drivers/s390/cio/vfio_ccw_drv.c
> >>  create mode 100644 drivers/s390/cio/vfio_ccw_fsm.c
> >>  create mode 100644 drivers/s390/cio/vfio_ccw_ops.c
> >>  create mode 100644 drivers/s390/cio/vfio_ccw_private.h
> >>  create mode 100644 include/uapi/linux/vfio_ccw.h
> >>  
> > 
> > Patch set looks good to me, and I think we should target it for the
> > next merge window (the interface looks fine, and we can iron out any
> > other things later.)
> > 
> > Question: Which tree should this go through? Vfio or kvm/s390?  
> 
> Reading todays MAINTAINERS file this would go via Martins tree, after the last
> patch it will be separate. I can certainly carry that via the kvms390 tree,
> but Alex is certainly the final maintainer. 
> So what about having a new repository under 
> https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/
> e.g. vfio.git that will then queue the patches for Alex to take?

I would think this should be merged through s390 trees, I don't claim
any sort of maintainership for each individual mdev vendor driver
(perhaps with the exception of the mtty sample driver).  I think I've
acked all the (relatively minor) bits where this series updates the
vfio core code.  Thanks,

Alex



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