From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933152AbXCFJKn (ORCPT ); Tue, 6 Mar 2007 04:10:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933156AbXCFJKn (ORCPT ); Tue, 6 Mar 2007 04:10:43 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:41079 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933152AbXCFJKl (ORCPT ); Tue, 6 Mar 2007 04:10:41 -0500 From: "Rafael J. Wysocki" To: Pavel Machek Subject: Re: [PATCH] Kconfig: Update swsusp description Date: Tue, 6 Mar 2007 10:13:13 +0100 User-Agent: KMail/1.9.5 Cc: Andrew Morton , LKML References: <200703041514.44680.rjw@sisk.pl> <20070306083224.GE2040@elf.ucw.cz> In-Reply-To: <20070306083224.GE2040@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200703061013.13585.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday, 6 March 2007 09:32, Pavel Machek wrote: > Hi! > > > Index: linux-2.6.21-rc2/kernel/power/Kconfig > > =================================================================== > > --- linux-2.6.21-rc2.orig/kernel/power/Kconfig 2007-02-28 23:54:45.000000000 +0100 > > +++ linux-2.6.21-rc2/kernel/power/Kconfig 2007-03-04 11:50:48.000000000 +0100 > > @@ -81,30 +81,35 @@ config SOFTWARE_SUSPEND > > bool "Software Suspend" > > depends on PM && SWAP && ((X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)) > > ---help--- > > + Enable the suspend to disk (STD) functionality. > > > > + You can suspend your machine with 'echo disk > /sys/power/state'. > > + Alternatively, you can use the additional userland tools available > > + from . > > + > > + In principle it does not require ACPI or APM, although for example > > + ACPI will be used if available. > > + > > + It creates an image which is saved in your active swap. Upon the next > > boot, pass the 'resume=/dev/swappartition' argument to the kernel to > > Actually, these days resume=... on kernel command line needs to be > there for suspend, too, IIRC. I didn't change this line, so? > > + Right now you may boot without resuming and resume later but in the > > + meantime you cannot use the swap partition(s)/file(s) involved in > > + suspending. Also in this case you must not use the > > I'd prefer not to encourage this use. It has too many traps ready for > people. But IMHO there should be a warning that if you boot without resuming, make sure you'll not resume after the next reboot or bad things will happen. Greetings, Rafael