Messages in this thread | | | From | "Marciniszyn, Mike" <> | Subject | RE: [PATCH 23/26] ib: Convert qib_get_user_pages() to get_user_pages_unlocked() | Date | Wed, 2 Oct 2013 15:32:47 +0000 |
| |
> > 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.
Mike
| |