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[0/3] switch to unsafe_follow_pfn

Message ID 20210316153303.3216674-1-daniel.vetter@ffwll.ch
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Series switch to unsafe_follow_pfn | expand

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Daniel Vetter March 16, 2021, 3:33 p.m. UTC 
Hi all,

This are the leftovers from my pull that landed in 5.12:

https://lore.kernel.org/dri-devel/CAKMK7uHQ=6OJcRguCUtiB456RWdCfwSNEXV8pQsfsPodTJ6uxw@mail.gmail.com/

Only changes compared to the old submission are:
- dropped vfio and kvm patch
- add patch to just remove follow_pfn at the end

Assuming no objections I'd like to lande these three patches in my topic
branch for 5.13, for sufficient amounts of testing in linux-next before
the merge window.

Ack/review especially on the two mm patches very much thought after.

Cheers, Daniel

Daniel Vetter (3):
  mm: Add unsafe_follow_pfn
  media/videobuf1|2: Mark follow_pfn usage as unsafe
  mm: unexport follow_pfn

 drivers/media/common/videobuf2/frame_vector.c |  2 +-
 drivers/media/v4l2-core/videobuf-dma-contig.c |  2 +-
 include/linux/mm.h                            |  4 +-
 mm/memory.c                                   | 46 ++++++++++++-------
 mm/nommu.c                                    | 28 ++++++++---
 security/Kconfig                              | 13 ++++++
 6 files changed, 68 insertions(+), 27 deletions(-)