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

From: Timur Tabi
Date: Mon Apr 25 2005 - 17:27:12 EST

Andrew Morton wrote:

The way we expect get_user_pages() to be used is that the kernel will use
get_user_pages() once per application I/O request.

Are you saying that the mapping obtained by get_user_pages() is valid only within the context of the IOCtl call? That once the driver returns from the IOCtl, the mapping should no longer be used?

Timur Tabi
Staff Software Engineer

One thing a Southern boy will never say is,
"I don't think duct tape will fix it."
-- Ed Smylie, NASA engineer for Apollo 13
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