Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755605AbZLWTrR (ORCPT ); Wed, 23 Dec 2009 14:47:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753911AbZLWTrQ (ORCPT ); Wed, 23 Dec 2009 14:47:16 -0500 Received: from one.firstfloor.org ([213.235.205.2]:56523 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752560AbZLWTrP (ORCPT ); Wed, 23 Dec 2009 14:47:15 -0500 Date: Wed, 23 Dec 2009 20:47:12 +0100 From: Andi Kleen To: Roland McGrath Cc: Oleg Nesterov , Andrew Morton , Alexey Dobriyan , Andi Kleen , Ananth Mavinakayanahalli , Christoph Hellwig , "Frank Ch. Eigler" , Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org, utrace-devel@redhat.com Subject: Re: [PATCH 0/7] utrace/ptrace Message-ID: <20091223194712.GO20539@basil.fritz.box> References: <20091218011116.GA29534@redhat.com> <20091222135809.1ab10869.akpm@linux-foundation.org> <20091223174232.GA14993@redhat.com> <20091223193313.1B89E16DB@magilla.sf.frob.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091223193313.1B89E16DB@magilla.sf.frob.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 762 Lines: 18 > As Oleg mentioned, I have a cleanup/reimplementation of seccomp using > utrace. That is quite a trivial use--it demonstrates how easy the > utrace API makes it to do things like that, in contrast to previous > solutions with arch-specific assembly hacking and so forth. I can > dust that patch off and post it if anybody cares. Do you have an estimate or better numbers how the overhead of seccomp-over-utrace compares to the current in-tree seccomp? -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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/