Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965049AbVKOW0M (ORCPT ); Tue, 15 Nov 2005 17:26:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965050AbVKOW0M (ORCPT ); Tue, 15 Nov 2005 17:26:12 -0500 Received: from mx1.redhat.com ([66.187.233.31]:40648 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S965049AbVKOW0K (ORCPT ); Tue, 15 Nov 2005 17:26:10 -0500 Date: Tue, 15 Nov 2005 17:25:49 -0500 From: Dave Jones To: Pavel Machek Cc: kernel list , "Rafael J. Wysocki" , Linux-pm mailing list Subject: Re: [linux-pm] [RFC] userland swsusp Message-ID: <20051115222549.GF17023@redhat.com> Mail-Followup-To: Dave Jones , Pavel Machek , kernel list , "Rafael J. Wysocki" , Linux-pm mailing list References: <20051115212942.GA9828@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051115212942.GA9828@elf.ucw.cz> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 954 Lines: 24 On Tue, Nov 15, 2005 at 10:29:42PM +0100, Pavel Machek wrote: > Hi! > > This is prototype of userland swsusp. I'd like kernel parts to go in, > probably for 2.6.16. Now, I'm not sure about the interface, ioctls are > slightly ugly, OTOH it would be probably overkill to introduce > syscalls just for this. (I'll need to add an ioctl for freeing memory > in future). Just for info: If this goes in, Red Hat/Fedora kernels will fork swsusp development, as this method just will not work there. (We have a restricted /dev/mem that prevents writes to arbitary memory regions, as part of a patchset to prevent rootkits) Even it were not for this, the whole idea seems misconcieved to me anyway. Dave - 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/