From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941077AbXGSSCN (ORCPT ); Thu, 19 Jul 2007 14:02:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765363AbXGSSBx (ORCPT ); Thu, 19 Jul 2007 14:01:53 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:48851 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764017AbXGSSBw (ORCPT ); Thu, 19 Jul 2007 14:01:52 -0400 Subject: Re: [PATCH try #3] security: Convert LSM into a static interface From: Arjan van de Ven To: "Serge E. Hallyn" Cc: "Serge E. Hallyn" , Christian Ehrhardt , Andrew Morton , James Morris , Chris Wright , linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, Stephen Smalley In-Reply-To: <20070719171913.GA1275@sergelap.austin.ibm.com> References: <20070718183503.541026f8.akpm@linux-foundation.org> <20070719073948.GI18840@lisa.in-ulm.de> <20070719122424.GA5186@vino.hallyn.com> <1184864070.2694.3.camel@laptopd505.fenrus.org> <20070719171913.GA1275@sergelap.austin.ibm.com> Content-Type: text/plain Organization: Intel International BV Date: Thu, 19 Jul 2007 11:00:21 -0700 Message-Id: <1184868021.2694.6.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.10.3 (2.10.3-1.fc7) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > :) > > Actually, given that when lsm was being introduced, lsm seemed to > improve performance overall, have you taken any measurements to show > that this is actually the case? Of course it makes sense that it would, > but witjout measurements we do not know. SuSE did a bunch of measurement I think a year ago and they showed a several percent performance increase with a hack similar to the proposed next step.. -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org