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From: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-ID: <55B81DFA.8010706@ozlabs.ru>
Date: Wed, 29 Jul 2015 10:27:38 +1000
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Subject: Re: [Qemu-devel] [RFC PATCH qemu 0/4] vfio: SPAPR IOMMU v2 (memory
 preregistration support)
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To: qemu-devel@nongnu.org
Cc: Peter Crosthwaite <peter.crosthwaite@xilinx.com>, Alex Williamson <alex.williamson@redhat.com>, qemu-ppc@nongnu.org, Michael Roth <mdroth@linux.vnet.ibm.com>, David Gibson <david@gibson.dropbear.id.au>

Oh, just noticed, this is missing "v4" in the subject line.


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(-)
>


-- 
Alexey