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SubjectRe: [PATCH v6 00/17] follow_pfn and other iomap races
On Thu, Nov 19, 2020 at 03:41:29PM +0100, Daniel Vetter wrote:
> I feel like this is ready for some wider soaking. Since the remaining bits
> are all kinda connnected probably simplest if it all goes through -mm.

Did you figure out a sumbission plan for this stuff?

> Daniel Vetter (17):
> drm/exynos: Stop using frame_vector helpers
> drm/exynos: Use FOLL_LONGTERM for g2d cmdlists
> misc/habana: Stop using frame_vector helpers
> misc/habana: Use FOLL_LONGTERM for userptr
> mm/frame-vector: Use FOLL_LONGTERM
> media: videobuf2: Move frame_vector into media subsystem

At the very least it would be good to get those in right away.

> mm: Add unsafe_follow_pfn
> media/videbuf1|2: Mark follow_pfn usage as unsafe
> vfio/type1: Mark follow_pfn as unsafe

I'm surprised nobody from VFIO has remarked on this, I think thety
won't like it

> mm: Close race in generic_access_phys
> PCI: Obey iomem restrictions for procfs mmap
> /dev/mem: Only set filp->f_mapping
> resource: Move devmem revoke code to resource framework
> sysfs: Support zapping of binary attr mmaps
> PCI: Revoke mappings like devmem

This sequence seems fairly stand alone, and in good shape as well

My advice is to put the done things on a branch and get Stephen to put
them in linux-next. You can send a PR to Lins. There is very little mm
stuff in here, and cross subsystem stuff works better in git land,
IMHO.

Jason

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