From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754490Ab1GHRnt (ORCPT ); Fri, 8 Jul 2011 13:43:49 -0400 Received: from einhorn.in-berlin.de ([192.109.42.8]:34537 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753115Ab1GHRns (ORCPT ); Fri, 8 Jul 2011 13:43:48 -0400 X-Envelope-From: stefanr@s5r6.in-berlin.de Date: Fri, 8 Jul 2011 19:43:35 +0200 From: Stefan Richter To: Alan Stern Cc: Sarah Sharp , Greg KH , , Subject: Re: 3.0-rc6: USB khubd deadlock when hub is powered down Message-ID: <20110708194335.28692424@stein> In-Reply-To: References: <20110707235647.13264b8a@stein> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.24.4; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Jul 08 Alan Stern wrote: > In general, adding support for USB-3.0 has been a tremendous job (of > which Sarah has done the lion's share of the work), involving not just > adding a new driver but also making significant changes to the > subsystem core. Those changes have been sufficiently complicated that > things haven't settled down yet. > > Particularly since it has now become clear that a key implementation > decision (to allocate periodic bandwidth dynamically, as it is used, > rather than statically) needs to be reversed. The fan-out effects from > this will require changes to several other drivers as well, and this is > all still in the design stage. Thus, we are forced to limp along with > a hacky, not-entirely-correct implementation until everything can be > put right. I don't expect this to happen quickly. OK, fair enough. I acknowledge that such a scope expansion at all layers of the subsystem is a difficult undertaking. Plus, you had working patches that addressed my issue, even before I got around to report it. -- Stefan Richter -=====-==-== -=== -=--- http://arcgraph.de/sr/