Hi Linus,
It's still the same topic branch as last merge window, but the name isn't fitting all that well anymore :-)
Anyway here's a small pull for you to ponder, now that the big ones are all through. It's been in -next almost the entire cycle, I've only done some non-code rebases due to the -rc1 fumble and to fix some commit message typos.
Christoph Hellwig also looked at these and aside from wanting to outright remove it all didn't have objections.
topic/iomem-mmap-vs-gup-2021-05-03: unexport follow_pfn
Follow-up to my pull from last merge window: kvm and vfio lost their very unsafe use of follow_pfn, this appropriately marks up the very last user for some userptr-as-buffer use-cases in media. There was some resistance to outright removing it, maybe we can do this in a few releases.
Cheers, Daniel
The following changes since commit 0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b:
Linux 5.12-rc4 (2021-03-21 14:56:43 -0700)
are available in the Git repository at:
git://anongit.freedesktop.org/drm/drm tags/topic/iomem-mmap-vs-gup-2021-05-03
for you to fetch changes up to ac8b8400620a4b0d9ca903ee9ad440bec736f5fa:
mm: unexport follow_pfn (2021-04-08 16:54:38 +0200)
---------------------------------------------------------------- unexport follow_pfn
Follow-up to my pull from last merge window: kvm and vfio lost their very unsafe use of follow_pfn, this appropriately marks up the very last user for some userptr-as-buffer use-cases in media. There was some resistance to outright removing it, maybe we can do this in a few releases.
---------------------------------------------------------------- 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(-)