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

From: Timur Tabi
Date: Sun Apr 24 2005 - 16:54:24 EST

Greg KH wrote:

You don't "support" i386 or ia64 or x86-64 or ppc64 systems? What
hardware do you support?

I've never seen or heard of any x86-32 or x86-64 system that supports hot-swap RAM. Our hardware does not support PPC, and our software doesn't support ia-64.

> And what about the fact that you are aiming to
get this code into mainline, right? If not, why are you asking here?

Well, our primary concern is getting our stuff to work. Since get_user_pages() doesn't work, but mlock() does, that's what we use. I don't know how to fix get_user_pages(), and I don't have the time right now to figure it out. I know that technically mlock() is not the right way to do it, and so we're not going to be submitting our code for the mainline until get_user_pages() works and our code uses it instead of mlock().

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