Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1524088

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

From Kirti Wankhede <kwankhede@nvidia.com>
Newsgroups linux.kernel
Subject Re: [PATCH v14 12/22] vfio: Add notifier callback to parent's ops structure of mdev
Date 2016-11-17 06:10 +0100
Message-ID <sEn7r-4Gv-1@gated-at.bofh.it> (permalink)
References <sEfjz-7Ip-3@gated-at.bofh.it> <sEftg-7M4-21@gated-at.bofh.it> <sEn7r-4Gv-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw



On 11/17/2016 7:45 AM, Dong Jia Shi wrote:
> * Kirti Wankhede <kwankhede@nvidia.com> [2016-11-17 02:16:24 +0530]:
> 
> Hi Kirti,
> 
>> diff --git a/drivers/vfio/mdev/vfio_mdev.c b/drivers/vfio/mdev/vfio_mdev.c
> [...]
> 
>> @@ -51,6 +78,11 @@ static void vfio_mdev_release(void *device_data)
>>  	if (likely(parent->ops->release))
>>  		parent->ops->release(mdev);
>>
>> +	if (likely(parent->ops->notifier)) {
>> +		if (vfio_unregister_notifier(&mdev->dev, &mdev->nb))
>> +			pr_err("Failed to unregister notifier for mdev\n");
> For the -ENOTTY case, we should not fail here either.
> 

Removing the error print and ignoring return from this unregister call.
Updating this patch on this thread.

>> +	}
>> +
>>  	module_put(THIS_MODULE);
>>  }
>>
> [...]
> 

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[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

csiph-web