From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756724AbZBIRel (ORCPT ); Mon, 9 Feb 2009 12:34:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756551AbZBIRe3 (ORCPT ); Mon, 9 Feb 2009 12:34:29 -0500 Received: from e8.ny.us.ibm.com ([32.97.182.138]:55605 "EHLO e8.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756451AbZBIRe3 (ORCPT ); Mon, 9 Feb 2009 12:34:29 -0500 Date: Mon, 9 Feb 2009 09:34:27 -0800 From: "Paul E. McKenney" To: Bert Wesarg Cc: Mathieu Desnoyers , ltt-dev@lists.casi.polymtl.ca, linux-kernel@vger.kernel.org, Robert Wisniewski Subject: Re: [RFC git tree] Userspace RCU (urcu) for Linux (repost) Message-ID: <20090209173427.GC6802@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20090206030543.GB8560@Krystal> <20090206045841.GA12995@Krystal> <20090206130640.GB10918@linux.vnet.ibm.com> <20090206163432.GF10918@linux.vnet.ibm.com> <20090208224419.GA19512@Krystal> <20090209041153.GR7120@linux.vnet.ibm.com> <20090209045352.GA28653@Krystal> <20090209131653.GS7120@linux.vnet.ibm.com> <36ca99e90902090919r297ad4c3re2248c321b36baf8@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <36ca99e90902090919r297ad4c3re2248c321b36baf8@mail.gmail.com> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 09, 2009 at 06:19:45PM +0100, Bert Wesarg wrote: > On Mon, Feb 9, 2009 at 14:16, Paul E. McKenney > wrote: > > On Sun, Feb 08, 2009 at 11:53:52PM -0500, Mathieu Desnoyers wrote: > >> Yes, I guess the signal is not so bad. > > > > Now if there were a /proc entry that listed out the tids of the > > currently running threads, then it might be possible to do something, > > especially for applications with many more threads than CPUs. > > Do you mean something like: `ls /proc/$pid/tasks/*`? Or is this not > atomic enough? Won't that give me all the threads rather than only the ones currently running? Thanx, Paul