[PATCH kernel v7 0/7] powerpc/spapr/vfio: Put pages on VFIO container shutdown

[Alexey Kardashevskiy]

These patches are to fix a bug when pages stay pinned hours
after QEMU which requested pinning exited.

Change to v6 it in the last 2 patches, individual patches got
detailed changelog.

Please comment. Thanks.

Alexey Kardashevskiy (7):
  powerpc/iommu: Pass mm_struct to init/cleanup helpers
  powerpc/iommu: Stop using @current in mm_iommu_xxx
  vfio/spapr: Postpone allocation of userspace version of TCE table
  vfio/spapr: Add a helper to create default DMA window
  vfio/spapr: Postpone default window creation
  vfio/spapr: Reference mm in tce_container
  powerpc/mm/iommu, vfio/spapr: Put pages on VFIO container shutdown

 arch/powerpc/include/asm/mmu_context.h |  20 +-
 arch/powerpc/kernel/setup-common.c     |   2 +-
 arch/powerpc/mm/mmu_context_book3s64.c |   6 +-
 arch/powerpc/mm/mmu_context_iommu.c    |  60 ++----
 drivers/vfio/vfio_iommu_spapr_tce.c    | 328 ++++++++++++++++++++++-----------
 5 files changed, 250 insertions(+), 166 deletions(-)

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2.5.0.rc3