From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [RFC/RFT][PATCH -mm 0/5] swsusp: userland interface (rev. 2) Date: Thu, 5 Jan 2006 02:05:05 +0100 Message-ID: <20060105010505.GD1751@elf.ucw.cz> References: <200601042340.42118.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <200601042340.42118.rjw@sisk.pl> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.osdl.org Errors-To: linux-pm-bounces@lists.osdl.org To: "Rafael J. Wysocki" Cc: Linux PM , LKML , Nigel Cunningham , ast@domdv.de List-Id: linux-pm@vger.kernel.org Hi! > This is the second "preview release" of the swsusp userland interface p= atches. > They have changed quite a bit since the previous post, as I tried to ma= ke the > interface more robust against some potential user space bugs (or outrig= ht > attempts to abuse it). >=20 > The swsusp userland interface is based on a special character device al= lowing > a user space process to initiate suspend or resume using ioctls and to = write or read > the system memory snapshot from the device (actually more operations ar= e > defined on the device). =A0The device itself is introduced by the > second patch. ... > Any feedback will be very much appreciated. Pretty please, give it a try. If you think about introducing splashscreen/compression/encryption into swsusp, userland parts of these patches should be great place for it. Pavel --=20 Thanks, Sharp! From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750713AbWAEBFk (ORCPT ); Wed, 4 Jan 2006 20:05:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751078AbWAEBFj (ORCPT ); Wed, 4 Jan 2006 20:05:39 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:27868 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S1750992AbWAEBFj (ORCPT ); Wed, 4 Jan 2006 20:05:39 -0500 Date: Thu, 5 Jan 2006 02:05:05 +0100 From: Pavel Machek To: "Rafael J. Wysocki" Cc: Linux PM , LKML , ast@domdv.de, Nigel Cunningham Subject: Re: [RFC/RFT][PATCH -mm 0/5] swsusp: userland interface (rev. 2) Message-ID: <20060105010505.GD1751@elf.ucw.cz> References: <200601042340.42118.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <200601042340.42118.rjw@sisk.pl> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > This is the second "preview release" of the swsusp userland interface patches. > They have changed quite a bit since the previous post, as I tried to make the > interface more robust against some potential user space bugs (or outright > attempts to abuse it). > > The swsusp userland interface is based on a special character device allowing > a user space process to initiate suspend or resume using ioctls and to write or read > the system memory snapshot from the device (actually more operations are > defined on the device).  The device itself is introduced by the > second patch. ... > Any feedback will be very much appreciated. Pretty please, give it a try. If you think about introducing splashscreen/compression/encryption into swsusp, userland parts of these patches should be great place for it. Pavel -- Thanks, Sharp!