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SubjectRE: [PATCH 23/26] ib: Convert qib_get_user_pages() to get_user_pages_unlocked()
> > The risk of GUP fast is the loss of the "force" arg on GUP fast, which
> > I don't see as significant give our use case.
> Yes. I was discussing with Roland some time ago whether the force
> argument is needed and he said it is. So I kept the arguments of
> get_user_pages() intact and just simplified the locking...

The PSM side of the code is a more traditional use of GUP (like direct I/O), so I think it is a different use case than the locking for IB memory regions.


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