Re: [PATCH 00/13] s390x/pci: s390-pci updates for kernel 5.10-rc1

From: Cornelia Huck <cohuck@redhat.com>
To: Matthew Rosato <mjrosato@linux.ibm.com>, alex.williamson@redhat.com
Cc: thuth@redhat.com, pmorel@linux.ibm.com, schnelle@linux.ibm.com,
	rth@twiddle.net, david@redhat.com, pasic@linux.ibm.com,
	borntraeger@de.ibm.com, mst@redhat.com, pbonzini@redhat.com,
	philmd@redhat.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org,
	kvm@vger.kernel.org
Subject: Re: [PATCH 00/13] s390x/pci: s390-pci updates for kernel 5.10-rc1
Date: Mon, 26 Oct 2020 17:41:24 +0100	[thread overview]
Message-ID: <20201026174124.1a662fa3.cohuck@redhat.com> (raw)
In-Reply-To: <20201026171947.0f302dcc.cohuck@redhat.com>

On Mon, 26 Oct 2020 17:19:47 +0100
Cornelia Huck <cohuck@redhat.com> wrote:

> On Mon, 26 Oct 2020 11:34:28 -0400
> Matthew Rosato <mjrosato@linux.ibm.com> wrote:
> 
> > Combined set of patches that exploit vfio/s390-pci features available in
> > kernel 5.10-rc1.  This patch set is a combination of 
> > 
> > [PATCH v4 0/5] s390x/pci: Accomodate vfio DMA limiting
> > 
> > and
> > 
> > [PATCH v3 00/10] Retrieve zPCI hardware information from VFIO
> > 
> > with duplicate patches removed and a single header sync.  All patches have
> > prior maintainer reviews except for:
> > 
> > - Patch 1 (update-linux-headers change to add new file)   
> 
> That one has ;)
> 
> > - Patch 2 (header sync against 5.10-rc1)  
> 
> I'm still unsure about the rdma/(q)atomic stuff -- had we reached any
> conclusion there?
> 
> > - Patch 13 - contains a functional (debug) change; I switched from using
> >   DPRINTFs to using trace events per Connie's request.

Looks good.

I think that should go through the vfio tree, in case there are
collisions with the migration stuff?

(The s390x queue is currently empty.)

> > 
> > 
> > 
> > Matthew Rosato (10):
> >   update-linux-headers: Add vfio_zdev.h
> >   linux-headers: update against 5.10-rc1
> >   s390x/pci: Move header files to include/hw/s390x
> >   vfio: Create shared routine for scanning info capabilities
> >   vfio: Find DMA available capability
> >   s390x/pci: Add routine to get the vfio dma available count
> >   s390x/pci: Honor DMA limits set by vfio
> >   s390x/pci: clean up s390 PCI groups
> >   vfio: Add routine for finding VFIO_DEVICE_GET_INFO capabilities
> >   s390x/pci: get zPCI function info from host
> > 
> > Pierre Morel (3):
> >   s390x/pci: create a header dedicated to PCI CLP
> >   s390x/pci: use a PCI Group structure
> >   s390x/pci: use a PCI Function structure
> > 
> >  MAINTAINERS                                        |   1 +
> >  hw/s390x/meson.build                               |   1 +
> >  hw/s390x/s390-pci-bus.c                            |  91 ++++++-
> >  hw/s390x/s390-pci-inst.c                           |  78 ++++--
> >  hw/s390x/s390-pci-vfio.c                           | 276 +++++++++++++++++++++
> >  hw/s390x/s390-virtio-ccw.c                         |   2 +-
> >  hw/s390x/trace-events                              |   6 +
> >  hw/vfio/common.c                                   |  62 ++++-
> >  {hw => include/hw}/s390x/s390-pci-bus.h            |  22 ++
> >  .../hw/s390x/s390-pci-clp.h                        | 123 +--------
> >  include/hw/s390x/s390-pci-inst.h                   | 119 +++++++++
> >  include/hw/s390x/s390-pci-vfio.h                   |  23 ++
> >  include/hw/vfio/vfio-common.h                      |   4 +
> >  .../drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h |  14 +-
> >  .../infiniband/hw/vmw_pvrdma/pvrdma_verbs.h        |   2 +-
> >  include/standard-headers/linux/ethtool.h           |   2 +
> >  include/standard-headers/linux/fuse.h              |  50 +++-
> >  include/standard-headers/linux/input-event-codes.h |   4 +
> >  include/standard-headers/linux/pci_regs.h          |   6 +-
> >  include/standard-headers/linux/virtio_fs.h         |   3 +
> >  include/standard-headers/linux/virtio_gpu.h        |  19 ++
> >  include/standard-headers/linux/virtio_mmio.h       |  11 +
> >  include/standard-headers/linux/virtio_pci.h        |  11 +-
> >  linux-headers/asm-arm64/kvm.h                      |  25 ++
> >  linux-headers/asm-arm64/mman.h                     |   1 +
> >  linux-headers/asm-generic/hugetlb_encode.h         |   1 +
> >  linux-headers/asm-generic/unistd.h                 |  18 +-
> >  linux-headers/asm-mips/unistd_n32.h                |   1 +
> >  linux-headers/asm-mips/unistd_n64.h                |   1 +
> >  linux-headers/asm-mips/unistd_o32.h                |   1 +
> >  linux-headers/asm-powerpc/unistd_32.h              |   1 +
> >  linux-headers/asm-powerpc/unistd_64.h              |   1 +
> >  linux-headers/asm-s390/unistd_32.h                 |   1 +
> >  linux-headers/asm-s390/unistd_64.h                 |   1 +
> >  linux-headers/asm-x86/kvm.h                        |  20 ++
> >  linux-headers/asm-x86/unistd_32.h                  |   1 +
> >  linux-headers/asm-x86/unistd_64.h                  |   1 +
> >  linux-headers/asm-x86/unistd_x32.h                 |   1 +
> >  linux-headers/linux/kvm.h                          |  19 ++
> >  linux-headers/linux/mman.h                         |   1 +
> >  linux-headers/linux/vfio.h                         |  29 ++-
> >  linux-headers/linux/vfio_zdev.h                    |  78 ++++++
> >  scripts/update-linux-headers.sh                    |   2 +-
> >  43 files changed, 961 insertions(+), 173 deletions(-)
> >  create mode 100644 hw/s390x/s390-pci-vfio.c
> >  rename {hw => include/hw}/s390x/s390-pci-bus.h (94%)
> >  rename hw/s390x/s390-pci-inst.h => include/hw/s390x/s390-pci-clp.h (59%)
> >  create mode 100644 include/hw/s390x/s390-pci-inst.h
> >  create mode 100644 include/hw/s390x/s390-pci-vfio.h
> >  create mode 100644 linux-headers/linux/vfio_zdev.h
> >   
> 