Re: how to communicate between kernel and user space?

[Andre Hedrick]

On Thu, 29 Nov 2001, Xiaozhou Qiu wrote:

> Hi,
> 
> I am sorry if this is a newbie's question. I am developing a kernel module 
> which needs to call some crypt functions implemented in user space. Since 
> those functions utilize openssl library, I assume there is no easy way to 
> port them into kernel.
> 
> I wonder whether there is an easy and elegant way to call the user space 
> functions from the kernel and get the results, if /proc can not be used.  If 
> anybody knows where I can find a crypt library in the kernel, that will be a 
> great help too.
> 
> Thank you very much.
> 
> Xiaozhou Qiu

So you want to import content encryption from user space to bork the data
in the storage array -- don't think so -- regards.

Andre Hedrick
CEO/President, LAD Storage Consulting Group
Linux ATA Development
Linux Disk Certification Project