Re: TOMOYO in linux-next

From: Pavel Machek
Date: Thu Mar 26 2009 - 20:33:46 EST


Hi!

> As for the rest of the feedback, please work with the developers to fix
> any bugs or lack of documentation.

Apparently not even its user<->kernel interface was reviewed. This
violates "one value per file in sysfs":

[root@tomoyo]# cat /sys/kernel/security/tomoyo/meminfo
Shared: 61440
Private: 69632
Dynamic: 768
Total: 131840

You can set memory quota by writing to this file.
(Example)
[root@tomoyo]# echo Shared: 2097152 > /sys/kernel/security/tomoyo/meminfo
[root@tomoyo]# echo Private: 2097152 > /sys/kernel/security/tomoyo/meminfo

(not to mention being ugly as hell).

This is totaly useless once tomoyo is merged:

** /sys/kernel/security/tomoyo/version **

This file is used for getting TOMOYO Linux's version.
(Example)
[root@etch]# cat /sys/kernel/security/tomoyo/version
2.2.0-pre


Pavel
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