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Date:      Mon, 15 Nov 1999 13:55:16 -0500
From:      Greg Lehey <grog@mojave.sitaranetworks.com>
To:        Clinton Xavier Berni <xavier@cs.duke.edu>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: upcall
Message-ID:  <19991115135516.21972@mojave.sitaranetworks.com>
In-Reply-To: <Pine.GSO.4.20.9911131608550.7549-100000@mackerel.cs.duke.edu>; from Clinton Xavier Berni on Sat, Nov 13, 1999 at 04:14:02PM -0500
References:  <Pine.GSO.4.20.9911131608550.7549-100000@mackerel.cs.duke.edu>

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On Saturday, 13 November 1999 at 16:14:02 -0500, Clinton Xavier Berni wrote:
>
> Hello,
>
> How do I access a user level data structure from the kernel. 

In general, you don't, unless the user wants you to.

> Are there any Upcalls that I could use?

No.

What are you trying to do?  The only way to get data is to have it
passed.  You can then use copyin() to move it to the kernel.

Greg
--
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