Messages in this thread |  | | Date | Fri, 20 Aug 2004 18:31:24 +0100 | From | Luke Kenneth Casson Leighton <> | Subject | Re: RCU issue with SELinux (Re: SELINUX performance issues) |
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On Fri, Aug 20, 2004 at 10:36:03PM +0900, Kaigai Kohei wrote: > Hello, everyone. > > Tuesday, August 17, 2004 12:19 AM > James Morris wrote: > > > Is removing direct reference to AVC-Entry approach acceptable? > > > > > > I'll try to consider this issue further. > > > > Sure, if you can make it work without problems. > > The attached patches against to 2.6.8.1 kernel improve the performance > and the scalability of SELinux by RCU-approach. > > The evaluation results are as follows: > <Environment> > CPU: Itanium2(1GHz) x 4/8/16/32 > Memory: enough (no swap) > OS: 2.6.8.1 (SELinux disabled by 'selinux=0' boot option) > 2.6.8.1 (SELinux enabled) > 2.6.8.1 + rwlock patch by KaiGai > 2.6.8.1 + RCU patch by KaiGai > > The test program iterates write() to files on tmpfs 500,000 times in parallel. ^^^^^ i presume that that is without the xattr patch which adds extended attributes to tmpfs?
(see http://hands.com/~lkcl/selinux)
l.
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