Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261455AbVACOPn (ORCPT ); Mon, 3 Jan 2005 09:15:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261456AbVACOPn (ORCPT ); Mon, 3 Jan 2005 09:15:43 -0500 Received: from canuck.infradead.org ([205.233.218.70]:27147 "EHLO canuck.infradead.org") by vger.kernel.org with ESMTP id S261455AbVACOPf (ORCPT ); Mon, 3 Jan 2005 09:15:35 -0500 Subject: Re: [PATCH] [request for inclusion] Realtime LSM From: Arjan van de Ven To: Christoph Hellwig Cc: Lee Revell , linux-kernel , Andrew Morton , Ingo Molnar , "Jack O'Quin" In-Reply-To: <20050103140359.GA19976@infradead.org> References: <1104374603.9732.32.camel@krustophenia.net> <20050103140359.GA19976@infradead.org> Content-Type: text/plain Date: Mon, 03 Jan 2005 15:15:27 +0100 Message-Id: <1104761727.4192.14.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-3) Content-Transfer-Encoding: 7bit X-Spam-Score: 4.1 (++++) X-Spam-Report: SpamAssassin version 2.63 on canuck.infradead.org summary: Content analysis details: (4.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.3 RCVD_NUMERIC_HELO Received: contains a numeric HELO 1.1 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] 2.5 RCVD_IN_DYNABLOCK RBL: Sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 0.1 RCVD_IN_SORBS RBL: SORBS: sender is listed in SORBS [80.57.133.107 listed in dnsbl.sorbs.net] X-SRS-Rewrite: SMTP reverse-path rewritten from by canuck.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1690 Lines: 33 On Mon, 2005-01-03 at 14:03 +0000, Christoph Hellwig wrote: > On Wed, Dec 29, 2004 at 09:43:22PM -0500, Lee Revell wrote: > > The realtime LSM has been previously explained on this list. Its > > function is to allow selected nonroot users to run RT tasks. The most > > common application is low latency audio with JACK, http://jackit.sf.net. > > > > Several people have reported that 2.6.10 is the best kernel yet for > > audio latency, see > > http://ccrma-mail.stanford.edu/pipermail/planetccrma/2004-December/007341.html. If the realtime LSM were merged, then this would be the last step to making low latency audio work well with the stock kernel. > > > > We (the authors and the Linux audio community) would like to request its > > inclusion in the next -mm release, with the eventual goal of having it > > in mainline. > > > > This is identical to the last version Jack O'Quin posted (but didn't cc: > > Andrew, or make clear that we would like this added to -mm), so I > > preserved his Signed-Off-By. > > This is far too specialized. And option to the capability LSM to grant > capabilities to certain uids/gids sounds like the better choise - and > would also allow to get rid of the magic hugetlb uid horrors. those can go away anyway now that there is an rlimit to achieve the exact same thing..... I can see the point of making an rlimit like thing instead for both the nice levels allowed and maybe the "can do rt" bit - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/