Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932995AbZJ3WPm (ORCPT ); Fri, 30 Oct 2009 18:15:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932934AbZJ3WPl (ORCPT ); Fri, 30 Oct 2009 18:15:41 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:56293 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932920AbZJ3WPk (ORCPT ); Fri, 30 Oct 2009 18:15:40 -0400 From: "Rafael J. Wysocki" To: Linus Torvalds Subject: Re: Help needed, Re: [Bug #14334] pcmcia suspend regression from 2.6.31.1 to 2.6.31.2 - Dell Inspiron 600m Date: Fri, 30 Oct 2009 23:17:25 +0100 User-Agent: KMail/1.12.1 (Linux/2.6.32-rc5-rjw; KDE/4.3.1; x86_64; ; ) Cc: Linux Kernel Mailing List , Kernel Testers List , "Greg Kroah-Hartman" , Jose Marino , ACPI Devel Maling List , Linux PCI , Dominik Brodowski References: In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200910302317.26024.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1743 Lines: 36 On Friday 30 October 2009, Linus Torvalds wrote: > > On Fri, 30 Oct 2009, Linus Torvalds wrote: > > > > And partly exactly _because_ even Cardbus is starting to be "legacy", I'd > > personally prefer to try to simplify the model to the point where we don't > > have to think about all the subtle interactions. Just making suspend act > > as an eject would mean that we'd never have to worry about how the CardBus > > bridge interacts with the PCI layer at suspend/resume time. > > Put another way: five years ago I would have felt that it could be > important that people can suspend and resume while they have a CD-ROM > mounted through a PCMCIA IDE card. Or something like that where you want > to keep session information. > > These days, that scenario is less interesting to begin with, and we're > generally better at some of the hotplug issues anyway. Example: one of the > reasons I used to like not causing an unplug event was because I had > network cards, and hated setting up the connection again. These days, all > distros come with networkmanager or similar, and hotplug networking just > works (even if the "CD-ROM mounted" case probably still would cause > problems). > > So I think we used to have good reasons to try to maintain state over a > suspend event, but many of those reasons have become weaker, while at the > same time USB has meant that PCMCIA itself has become more of a > "maintenance burden" rather than a "primary subsystem". I agree. Rafael -- 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/