Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753944Ab0AVUQd (ORCPT ); Fri, 22 Jan 2010 15:16:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753651Ab0AVUQc (ORCPT ); Fri, 22 Jan 2010 15:16:32 -0500 Received: from casper.infradead.org ([85.118.1.10]:38712 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932116Ab0AVUQb (ORCPT ); Fri, 22 Jan 2010 15:16:31 -0500 Subject: Re: linux-next: add utrace tree From: Peter Zijlstra To: "Frank Ch. Eigler" Cc: Oleg Nesterov , Linus Torvalds , Andrew Morton , Stephen Rothwell , Fr??d??ric Weisbecker , LKML , Steven Rostedt , Arnaldo Carvalho de Melo , linux-next@vger.kernel.org, "H. Peter Anvin" , utrace-devel@redhat.com, Thomas Gleixner In-Reply-To: <20100122200129.GG22003@redhat.com> References: <20100120062834.GB12165@elte.hu> <20100120072925.GA11395@elte.hu> <20100121013822.28781960.sfr@canb.auug.org.au> <20100122111747.3c224dfd.sfr@canb.auug.org.au> <20100121163004.8779bd69.akpm@linux-foundation.org> <20100121163145.7e958c3f.akpm@linux-foundation.org> <20100122005147.GD22003@redhat.com> <20100121170541.7425ff10.akpm@linux-foundation.org> <20100122182827.GA13185@redhat.com> <20100122200129.GG22003@redhat.com> Content-Type: text/plain; charset="UTF-8" Date: Fri, 22 Jan 2010 21:16:16 +0100 Message-ID: <1264191376.4283.1590.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 745 Lines: 20 On Fri, 2010-01-22 at 15:01 -0500, Frank Ch. Eigler wrote: > So then there's uprobes, which is another potential utrace "killer > app" That's bollocks, uprobes is an utter and total mis-match for utrace. Probing userspace is primarily about DSOs which is files and vma's, not tasks. You might maybe want a utrace interface to that, but that is largely non-interesting. IOW, we don't need utrace to make sensible use of uprobes. (And when I speak of uprobes I mean the thing formerly called UBP) -- 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/