From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" 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 Message-ID: <200910302317.26024.rjw@sisk.pl> References: Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Linus Torvalds Cc: Linux Kernel Mailing List , Kernel Testers List , Greg Kroah-Hartman , Jose Marino , ACPI Devel Maling List , Linux PCI , Dominik Brodowski List-Id: linux-acpi@vger.kernel.org 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