linux-kernel - How to access user level' program in kernel mode?

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Date:	Thu, 22 Apr 2010 09:33:11 -0400
From:	Yuehai Xu <yuehaixu@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	xen-devel@...ts.xensource.com, yhxu@...ne.edu
Subject: How to access user level' program in kernel mode?

Hi,

In dom0 of XEN, suppose we want to evaluate the I/O request from other
doms using machine learning model, however, this model is written in
user level, how can I do such kind of invocation except rewrite this
model in kernel? Can I use /proc or /sys? Because I need calculate
requests by model and then dispatch them to hard disk.

DomU(send request)-->Dom0(receive request)-->Model analysis
request(user level)-->dispatch request to hard disk

Thanks!

Yuehai
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