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Re: [PATCH v14 12/22] vfio: Add notifier callback to parent's ops structure of mdev

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On 11/17/2016 8:57 PM, Alex Williamson wrote:
> On Thu, 17 Nov 2016 20:35:38 +0800
> Jike Song <jike.song@intel.com> wrote:
> 
>> On 11/17/2016 04:46 AM, Kirti Wankhede wrote:
>>> Add a notifier calback to parent's ops structure of mdev device so that per
>>> device notifer for vfio module is registered through vfio_mdev module.
>>>
>>> Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com>
>>> Signed-off-by: Neo Jia <cjia@nvidia.com>
>>> Change-Id: Iafa6f1721aecdd6e50eb93b153b5621e6d29b637
>>> ---
>>>  drivers/vfio/mdev/vfio_mdev.c | 34 +++++++++++++++++++++++++++++++++-
>>>  include/linux/mdev.h          |  9 +++++++++
>>>  2 files changed, 42 insertions(+), 1 deletion(-)
>>>
>>
>> Hi Alex, Kirti,
>>
>> Since everyone agreed we should let the vendor driver call vfio_register_notifier
>> directly, can you drop this patch from merging? So that I don't need to send a
>> reverse patch.
> 
> This seems like a reasonable request to me, this patch drops cleanly
> from the series.  Any objection Kirti?  It seems like it removes a
> little bit of pre-release churn from the API.  Thanks,
> 

This is independent patch, I don't have any concern to drop this patch.

Small nit: Since Documentation patch is later in series, its mentioned
in the doc. One line need to be removed from vfio-mediated-device.txt.

--- a/Documentation/vfio-mediated-device.txt
+++ b/Documentation/vfio-mediated-device.txt
@@ -150,7 +150,6 @@ The callbacks in the parent_ops structure are as
follows:
 * read : read emulation callback
 * write: write emulation callback
 * mmap: mmap emulation callback
-* notifier: notifier callback

Thanks,
Kirti

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[PATCH v14 00/22] Add Mediated device support Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 21:50 +0100
  [PATCH v14 11/22] vfio iommu: Add blocking notifier to notify DMA_UNMAP Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 21:50 +0100
    Re: [PATCH v14 11/22] vfio iommu: Add blocking notifier to notify  DMA_UNMAP Alex Williamson <alex.williamson@redhat.com> - 2016-11-17 01:10 +0100
    Re: [PATCH v14 11/22] vfio iommu: Add blocking notifier to notify  DMA_UNMAP Jike Song <jike.song@intel.com> - 2016-11-17 04:00 +0100
    Re: [PATCH v14 11/22] vfio iommu: Add blocking notifier to notify DMA_UNMAP Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-17 06:00 +0100
  [PATCH v14 18/22] vfio: Define device_api strings Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 21:50 +0100
  [PATCH v14 09/22] vfio iommu type1: Add task structure to vfio_dma Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 21:50 +0100
    Re: [PATCH v14 09/22] vfio iommu type1: Add task structure to  vfio_dma Alexey Kardashevskiy <aik@ozlabs.ru> - 2016-11-17 06:50 +0100
      Re: [PATCH v14 09/22] vfio iommu type1: Add task structure to  vfio_dma Alex Williamson <alex.williamson@redhat.com> - 2016-11-17 07:20 +0100
        Re: [PATCH v14 09/22] vfio iommu type1: Add task structure to  vfio_dma Alexey Kardashevskiy <aik@ozlabs.ru> - 2016-11-17 07:50 +0100
      Re: [PATCH v14 09/22] vfio iommu type1: Add task structure to  vfio_dma Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-17 07:30 +0100
  [PATCH v14 07/22] vfio iommu type1: Update argument of vaddr_get_pfn() Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 21:50 +0100
  [PATCH v14 20/22] docs: Sysfs ABI for mediated device framework Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 21:50 +0100
  [PATCH v14 13/22] vfio: Introduce common function to add capabilities Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 21:50 +0100
    Re: [Qemu-devel] [PATCH v14 13/22] vfio: Introduce common function to  add capabilities Auger Eric <eric.auger@redhat.com> - 2016-11-21 12:10 +0100
  [PATCH v14 01/22] vfio: Mediated device Core driver Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 21:50 +0100
  [PATCH v14 03/22] vfio: Rearrange functions to get vfio_group from dev Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 22:00 +0100
  [PATCH v14 08/22] vfio iommu type1: Add find_iommu_group() function Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 22:00 +0100
    Re: [PATCH v14 08/22] vfio iommu type1: Add find_iommu_group()  function Auger Eric <eric.auger@redhat.com> - 2016-11-21 12:30 +0100
      Re: [PATCH v14 08/22] vfio iommu type1: Add find_iommu_group()  function Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-21 13:00 +0100
        Re: [PATCH v14 08/22] vfio iommu type1: Add find_iommu_group()  function Auger Eric <eric.auger@redhat.com> - 2016-11-21 13:50 +0100
  [PATCH v14 02/22] vfio: VFIO based driver for Mediated devices Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 22:00 +0100
  [PATCH v14 12/22] vfio: Add notifier callback to parent's ops structure of mdev Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 22:00 +0100
    Re: [PATCH v14 12/22] vfio: Add notifier callback to parent's ops  structure of mdev Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-17 06:10 +0100
    Re: [PATCH v14 12/22] vfio: Add notifier callback to parent's ops structure of mdev Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-17 06:10 +0100
    Re: [PATCH v14 12/22] vfio: Add notifier callback to parent's ops  structure of mdev Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-17 18:30 +0100
      Re: [PATCH v14 12/22] vfio: Add notifier callback to parent's ops  structure of mdev Alex Williamson <alex.williamson@redhat.com> - 2016-11-17 18:40 +0100
    Re: [PATCH v14 12/22] vfio: Add notifier callback to parent's ops  structure of mdev Jike Song <jike.song@intel.com> - 2016-11-17 18:40 +0100
      Re: [PATCH v14 12/22] vfio: Add notifier callback to parent's ops  structure of mdev Alex Williamson <alex.williamson@redhat.com> - 2016-11-17 19:00 +0100
  [PATCH v14 04/22] vfio: Common function to increment container_users Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-16 22:00 +0100
  Re: [PATCH v14 00/22] Add Mediated device support Alex Williamson <alex.williamson@redhat.com> - 2016-11-17 22:30 +0100
    Re: [PATCH v14 00/22] Add Mediated device support Neo Jia <cjia@nvidia.com> - 2016-11-17 23:20 +0100
      Re: [PATCH v14 00/22] Add Mediated device support Kirti Wankhede <kwankhede@nvidia.com> - 2016-11-18 03:10 +0100
        Re: [Qemu-devel] [PATCH v14 00/22] Add Mediated device support Jike Song <jike.song@intel.com> - 2016-11-18 03:30 +0100
    RE: [PATCH v14 00/22] Add Mediated device support "Tian, Kevin" <kevin.tian@intel.com> - 2016-11-18 00:30 +0100
      Re: [PATCH v14 00/22] Add Mediated device support Alex Williamson <alex.williamson@redhat.com> - 2016-11-18 01:00 +0100
        Re: [PATCH v14 00/22] Add Mediated device support Zhenyu Wang <zhenyuw@linux.intel.com> - 2016-11-18 10:30 +0100
          Re: [PATCH v14 00/22] Add Mediated device support Alex Williamson <alex.williamson@redhat.com> - 2016-11-18 16:50 +0100
            Re: [PATCH v14 00/22] Add Mediated device support Daniel Vetter <daniel@ffwll.ch> - 2016-11-18 17:20 +0100
              Re: [PATCH v14 00/22] Add Mediated device support Alex Williamson <alex.williamson@redhat.com> - 2016-11-18 18:00 +0100

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