From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: linux-next: add utrace tree Date: Fri, 29 Jan 2010 10:53:06 +1100 Message-ID: <1264722786.20211.15.camel@pasglop> References: <20100122200129.GG22003@redhat.com> <20100122221348.GA4263@redhat.com> <20100123112333.GA15455@elte.hu> <20100123114729.GA7828@redhat.com> <20100123194820.GM21263@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from gate.crashing.org ([63.228.1.57]:44747 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753169Ab0A1X4k (ORCPT ); Thu, 28 Jan 2010 18:56:40 -0500 In-Reply-To: Sender: linux-next-owner@vger.kernel.org List-ID: To: Linus Torvalds Cc: Kyle Moffett , tytso@mit.edu, "Frank Ch. Eigler" , Ingo Molnar , Oleg Nesterov , Andrew Morton , Stephen Rothwell , Peter Zijlstra , Peter Zijlstra , 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 On Mon, 2010-01-25 at 08:52 -0800, Linus Torvalds wrote: > > That said, I also suspect that people should still look seriously at > simply just improving ptrace. For example, I suspect that the biggest > problem with ptrace is really just the signalling, and that creating a > new > extension for JUST THAT, and then having a model where you can choose > - at > PTRACE_ATTACH time - how to wait for events would be a good thing. like returning a fd to poll() on ? :-) Cheers, Ben.