From: Kurt Garloff <garloff@suse.de>
To: Linux kernel list <linux-kernel@vger.kernel.org>
Cc: Andreas Gruenbacher <agruen@suse.de>,
James Morris <jmorris@redhat.com>, Chris Wright <chrisw@osdl.org>
Subject: [PATCH] 0/5: LSM hooks rework
Date: Sun, 13 Feb 2005 16:05:15 -0500 [thread overview]
Message-ID: <20050213210515.GH27893@tpkurt.garloff.de> (raw)
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Hi,
this goes back to a discussion in August last year:
http://www.ussg.iu.edu/hypermail/linux/kernel/0408.1/0623.html
The following patchset addresses three issues of the security.h stub
collection:
* All the functions are implemented twice, once for
CONFIG_SECURITY enabled and once for disabled.
Makes it harder than necessary to keep in sync
and the file much longer than needed.
* We do lots of indirect (and thus non-inlined) calls to
mostly noop functions, which has a performance impact.
By using a branch (as suggested by David Mosberger and
implemented by Brian Baker) we can save a number of cycles.
Especially visible on IA64, where we can get > 3% improvement
on netperf -t TCP_RR
* The default of dummy if CONFIG_SECURITY is enabled is not
desirable as it does differ from the CONFIG_SECURITY disabled
default. Thus make capabilities the default.
Patches are against 2.6.11-rc4 and follow in subsequent mails.
--
Kurt Garloff, Director SUSE Labs, Novell Inc.
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next reply other threads:[~2005-02-13 21:05 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-13 21:05 Kurt Garloff [this message]
2005-02-13 21:10 ` [PATCH] 1/5: " Kurt Garloff
2005-02-13 21:11 ` [PATCH] 2/5: " Kurt Garloff
2005-02-13 21:11 ` [PATCH] 3/5: " Kurt Garloff
2005-02-13 21:12 ` [PATCH] 4/5: " Kurt Garloff
2005-02-13 21:12 ` [PATCH] 5/5: " Kurt Garloff
2005-02-14 16:50 ` James Morris
2005-02-14 23:23 ` Kurt Garloff
2005-02-14 16:54 ` [PATCH] 4/5: " Rik van Riel
2005-02-14 23:27 ` Kurt Garloff
2005-02-14 23:35 ` Rik van Riel
2005-02-14 14:30 ` [PATCH] 2/5: " Andreas Gruenbacher
2005-02-14 18:30 ` Kurt Garloff
2005-02-15 5:45 ` [PATCH] New " Kurt Garloff
2005-02-15 4:50 ` [PATCH] 0/5: " Chris Wright
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