Re: [Qemu-devel] [RFC PATCH qemu 0/4] vfio: SPAPR IOMMU v2 (memory preregistration support)

[Alex Williamson]

On Thu, 2015-08-06 at 13:16 +1000, Alexey Kardashevskiy wrote:
> On 07/29/2015 10:27 AM, Alexey Kardashevskiy wrote:
> > Oh, just noticed, this is missing "v4" in the subject line.
> 
> Anyone, ping? Thanks

I think David had some ideas on re-working this, but I'm not sure if
he's had any time to implement them.  Thanks,

Alex

> > On 07/20/2015 05:46 PM, Alexey Kardashevskiy wrote:
> >> Yet another try, reworked the whole patchset.
> >>
> >> Here are few patches to prepare an existing listener for handling memory
> >> preregistration for SPAPR guests running on POWER8.
> >>
> >> This used to be a part of DDW patchset but now is separated as requested.
> >>
> >>
> >> Please comment. Thanks!
> >>
> >>
> >> Changes:
> >> v4:
> >> * have 2 listeners now - "iommu" and "prereg"
> >> * removed iommu_data
> >> * many smaller changes
> >>
> >> v3:
> >> * removed incorrect "vfio: Skip PCI BARs in memory listener"
> >> * removed page size changes from quirks as they did not completely fix
> >> the crashes happening on POWER8 (only total removal helps there)
> >> * added "memory: Add reporting of supported page sizes"
> >>
> >>
> >> Alexey Kardashevskiy (4):
> >>    memory: Add reporting of supported page sizes
> >>    vfio: Generalize IOMMU memory listener
> >>    vfio: Use different page size for different IOMMU types
> >>    vfio: spapr: Add SPAPR IOMMU v2 support (DMA memory preregistering)
> >>
> >>   hw/ppc/spapr_iommu.c          |   8 ++
> >>   hw/vfio/common.c              | 217
> >> +++++++++++++++++++++++++++++++++---------
> >>   include/exec/memory.h         |  11 +++
> >>   include/hw/vfio/vfio-common.h |  26 ++---
> >>   memory.c                      |   9 ++
> >>   trace-events                  |   2 +
> >>   6 files changed, 214 insertions(+), 59 deletions(-)
> >>
> >
> >
> 
>