[openib-general] Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation

[Roland Dreier]

    Timur> Why do you call mlock() and get_user_pages()?  In our code,
    Timur> we only call mlock(), and the memory is pinned.  We have a
    Timur> test case that fails if only get_user_pages() is called,
    Timur> but it passes if only mlock() is called.

What if a buggy/malicious userspace program doesn't call mlock()?

 - R.