Re: Performance optimization of libsepol and the need for detailed policydb docs.

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On Fri, 2012-03-02 at 22:05 -0800, Kyle Moffett wrote:
> In the past (with my previous employer), I participated in some
> efforts to analyze the performance of libsepol and identified some
> low-hanging fruit in the form of incorrectly sized hash tables (EG: A
> hash table with 2 entries has equivalent performance to a linked list
> except with a lot of extra code on the front end), but we never were
> able to polish up patches for merging.
> 
> I would like to potentially take on some of this work, but I'd really
> need to have some better documentation on the various binary policy
> formats (base policy, modules, and linked policy).  Is there any
> existing documentation or should I just start by writing some?

Old, but possibly helpful as a starting point:
http://securityblog.org/brindle/2006/07/05/selinux-policy-module-primer/


-- 
Stephen Smalley
National Security Agency


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