linux-kernel - Why the kernel remove some LSM related functions?

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Message-Id: <9C0E1031-67FD-4C14-A199-F4A878277438@gmail.com>
Date:	Fri, 27 Nov 2009 21:03:17 +0900
From:	Wei Chen <acee06.weichen@...il.com>
To:	chris@...ex.com, greg@...ah.com, ssmalley@....com
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Why the kernel remove some LSM related functions?

Recent kernel of linux has removed the exported symbol of register_security() for Linux Security Module; so when I want to develop my own security module on 2.6.28, I have to modify the kernel to export the symbol and recompile the kernel source. 

Besides, the kernel has completely removed the functions of mod_reg_security() and mod_unreg_security(), which makes me unable to stack the security module. The only approach is to disable the active security module like SELinux and register mine.

Here, I want to know why the kernel did so. 

Thank you!

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