linux-kernel - Re: [PATCH v2 1/2] SELinux: reduce overhead of mls_level

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Message-ID: <51B2398A.7020104@hp.com>
Date:	Fri, 07 Jun 2013 15:50:34 -0400
From:	Waiman Long <waiman.long@...com>
To:	Stephen Smalley <sds@...ho.nsa.gov>
CC:	James Morris <james.l.morris@...cle.com>,
	Eric Paris <eparis@...isplace.org>,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Chandramouleeswaran, Aswin" <aswin@...com>,
	"Norton, Scott J" <scott.norton@...com>
Subject: Re: [PATCH v2 1/2] SELinux: reduce overhead of mls_level_isvalid()
 function call

On 06/07/2013 02:09 PM, Stephen Smalley wrote:
>
> Can't you unify this logic with the nearly identical logic below?
>

By separating the logic, we can usually get the best performance out of 
the two separate loops. If code size and maintainability are a bigger 
concern, I can certainly merge the logic. I will try to merge and send 
out a new patch if the performance difference is negligible.

Regards,
Longman
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