From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [RFC]add ACPI hooks for IDE suspend/resume Date: Wed, 7 Dec 2005 22:48:58 +0000 Message-ID: <20051207224858.GA19285@srcf.ucam.org> References: <20051207131454.GA16558@srcf.ucam.org> <58cb370e0512070619k17022317v8e871dc3f9cafb9@mail.gmail.com> <20051207143337.GA16938@srcf.ucam.org> <58cb370e0512070645o78569e82y63483a9ae5511f52@mail.gmail.com> <1133970074.544.69.camel@localhost.localdomain> <58cb370e0512070749y68b2f9e9t1c68a3e03f91baa0@mail.gmail.com> <1133918523.2936.12.camel@sli10-mobl.sh.intel.com> <58cb370e0512071115i3dbb741aqda7f98a97221d99b@mail.gmail.com> <1133994916.544.102.camel@localhost.localdomain> <20051207224323.GB3204@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([217.147.92.49]:3020 "EHLO vavatch.codon.org.uk") by vger.kernel.org with ESMTP id S1030389AbVLGWtV (ORCPT ); Wed, 7 Dec 2005 17:49:21 -0500 Content-Disposition: inline In-Reply-To: <20051207224323.GB3204@elf.ucw.cz> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Pavel Machek Cc: Alan Cox , Bartlomiej Zolnierkiewicz , Shaohua Li , linux-ide , lkml , Len Brown , akpm On Wed, Dec 07, 2005 at 11:43:23PM +0100, Pavel Machek wrote: > If someone swapped the drive while runtime, it would not be true, too, > I guess. But that would be stupid thing to do. Swapping drive during > suspend-to-RAM would be similary stupid. During suspend-to-disk, it > might theoretically work, but we have big warnings saying "don't do > that". ACPI systems tend to fire ACPI notifications when a drive is ejected (and sometimes when you're preparing to eject them, depending on the system), which ought to make hotswap possible. I'm looking at integrating support for that into libata right now. -- Matthew Garrett | mjg59@srcf.ucam.org