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

[Alexey Kardashevskiy <aik@ozlabs.ru>]

On 07/29/2015 10:27 AM, Alexey Kardashevskiy wrote:
> Oh, just noticed, this is missing "v4" in the subject line.

Anyone, ping? Thanks


>
>
> 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