From: Paul Moore <paul.moore@hp.com>
To: Eric Paris <eparis@redhat.com>
Cc: selinux@tycho.nsa.gov, sds@tycho.nsa.gov, jmorris@namei.org
Subject: Re: [PATCH 3/5] SELinux: remove unused av.decided field
Date: Thu, 12 Feb 2009 15:33:11 -0500 [thread overview]
Message-ID: <200902121533.11365.paul.moore@hp.com> (raw)
In-Reply-To: <20090212195054.25599.88354.stgit@paris.rdu.redhat.com>
On Thursday 12 February 2009 02:50:54 pm Eric Paris wrote:
> It appears there was an intention to have the security server only decide
> certain permissions and leave other for later as some sort of a portential
> performance win. We are currently always deciding all 32 bits of
> permissions and this is a useless couple of branches and wasted space.
> This patch completely drops the av.decided concept.
>
> This in a 17% reduction in the time spent in avc_has_perm_noaudit
> based on oprofile sampling of a tbench benchmark.
>
> Signed-off-by: Eric Paris <eparis@redhat.com>
No comments at all this time ;)
Reviewed-by: Paul Moore <paul.moore@hp.com>
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paul moore
linux @ hp
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next prev parent reply other threads:[~2009-02-12 20:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-12 19:50 [PATCH 1/5] SELinux: remove the unused ae.used Eric Paris
2009-02-12 19:50 ` [PATCH 2/5] SELinux: more careful use of avd in avc_has_perm_noaudit Eric Paris
2009-02-12 20:30 ` Paul Moore
2009-02-13 14:20 ` Stephen Smalley
2009-02-13 22:45 ` James Morris
2009-02-12 19:50 ` [PATCH 3/5] SELinux: remove unused av.decided field Eric Paris
2009-02-12 20:33 ` Paul Moore [this message]
2009-02-13 17:26 ` Stephen Smalley
2009-02-13 22:45 ` James Morris
2009-02-12 19:50 ` [PATCH 4/5] SELinux: code readability with avc_cache Eric Paris
2009-02-12 20:39 ` Paul Moore
2009-02-13 22:45 ` James Morris
2009-02-12 19:51 ` [PATCH 5/5] SELinux: convert the avc cache hash list to an hlist Eric Paris
2009-02-12 20:40 ` Paul Moore
2009-02-13 22:45 ` James Morris
2009-02-12 20:15 ` [PATCH 1/5] SELinux: remove the unused ae.used Paul Moore
2009-02-12 20:26 ` Eric Paris
2009-02-13 6:45 ` KaiGai Kohei
2009-02-13 14:12 ` Stephen Smalley
2009-02-13 22:44 ` James Morris
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