Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932924AbWLSUDZ (ORCPT ); Tue, 19 Dec 2006 15:03:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932925AbWLSUDZ (ORCPT ); Tue, 19 Dec 2006 15:03:25 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:60726 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932924AbWLSUDY (ORCPT ); Tue, 19 Dec 2006 15:03:24 -0500 Subject: Re: Changes to sysfs PM layer break userspace From: Arjan van de Ven To: Matthew Garrett Cc: linux-kernel@vger.kernel.org, david-b@pacbell.net, gregkh@suse.de In-Reply-To: <20061219194410.GA14121@srcf.ucam.org> References: <20061219185223.GA13256@srcf.ucam.org> <1166556889.3365.1269.camel@laptopd505.fenrus.org> <20061219194410.GA14121@srcf.ucam.org> Content-Type: text/plain Organization: Intel International BV Date: Tue, 19 Dec 2006 21:03:21 +0100 Message-Id: <1166558602.3365.1271.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.8.2.1 (2.8.2.1-2.fc6) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 910 Lines: 22 On Tue, 2006-12-19 at 19:44 +0000, Matthew Garrett wrote: > On Tue, Dec 19, 2006 at 08:34:48PM +0100, Arjan van de Ven wrote: > > > which userspace is using this btw? > > Ubuntu uses it to disable wireless hardware under certain circumstances. > I believe that Suse's powernowd uses it to power down wired ethernet > hardware when it's not in use. humm shouldn't the driver do this when the interface is brought down? sounds like you're playing with fire to do this behind the drivers' back.... -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - 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/