[PATCH v2 0/2] Remove the VFIO_IOMMU_NOTIFY_DMA_UNMAP notifier

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This is the last notifier toward the drivers, replace it with a simple op
callback in the vfio_device_ops.

v2:
 - Declare and initialize variables in intel_vgpu_dma_unmap()
 - Remove 'vendor' when touching comments
 - Remove kdoc for vfio dma_unmap notifier
 - Add WARN_ON to vfio_register_emulated_iommu_dev() since dma_unmap is
   mandatory
 - Move dma_unmap call loop to vfio_notify_dma_unmap()
 - Document why the double mutex is being used and why the mutex lock is
   dropped when calling dma_unmap
v1: https://lore.kernel.org/r/0-v1-896844109f36+a-vfio_unmap_notif_jgg@xxxxxxxxxx

Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Jason Gunthorpe (2):
  vfio: Replace the DMA unmapping notifier with a callback
  vfio: Replace the iommu notifier with a device list

 drivers/gpu/drm/i915/gvt/gvt.h        |   1 -
 drivers/gpu/drm/i915/gvt/kvmgt.c      |  75 +++++-------------
 drivers/s390/cio/vfio_ccw_ops.c       |  41 +++-------
 drivers/s390/cio/vfio_ccw_private.h   |   1 -
 drivers/s390/crypto/vfio_ap_ops.c     |  53 ++-----------
 drivers/s390/crypto/vfio_ap_private.h |   3 -
 drivers/vfio/vfio.c                   | 108 ++++++--------------------
 drivers/vfio/vfio.h                   |   9 +--
 drivers/vfio/vfio_iommu_type1.c       | 103 +++++++++++++++---------
 include/linux/vfio.h                  |  21 +----
 10 files changed, 134 insertions(+), 281 deletions(-)


base-commit: f2906aa863381afb0015a9eb7fefad885d4e5a56
-- 
2.36.1




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