RE: [PATCH 3/6] drivers/IB,qib: do not use mmap_sem

Weiny, Ira
2019-01-30T18:01:38Z

>
> On Tue, Jan 29, 2019 at 10:50:05AM -0800, Ira Weiny wrote:
> > > .. and I'm looking at some of the other conversions here.. *most
> > > likely* any caller that is manipulating rlimit for get_user_pages
> > > should really be calling get_user_pages_longterm, so they should not
> > > be converted to use _fast?
> >
> > Is this a question? I'm not sure I understand the meaning here?
>
> More an invitation to disprove the statement

Generally I agree. But would be best if we could get fast GUP for performance. I have not worked out if that will be possible with the final "longterm" solutions.

IRa

>
> Jason