Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759284AbYHEPO0 (ORCPT ); Tue, 5 Aug 2008 11:14:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755965AbYHEPOT (ORCPT ); Tue, 5 Aug 2008 11:14:19 -0400 Received: from mailservice.tudelft.nl ([130.161.131.5]:29333 "EHLO mailservice.tudelft.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755359AbYHEPOS (ORCPT ); Tue, 5 Aug 2008 11:14:18 -0400 X-Spam-Flag: NO X-Spam-Score: -9.389 Message-ID: <48986E3A.5020707@tremplin-utc.net> Date: Tue, 05 Aug 2008 17:14:02 +0200 From: Eric Piel User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.16) Gecko/20080725 Mandriva/2.0.0.16-1mdv2009.0 (2009.0) Thunderbird/2.0.0.16 Mnenhy/0.7.5.0 MIME-Version: 1.0 To: Theodore Tso , Robert Hancock , Alan Cox , Gabor Gombas , Tejun Heo , Elias Oltmanns , Jeff Garzik , Bartlomiej Zolnierkiewicz , James Bottomley , Pavel Machek , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/5] libata: Implement disk shock protection support References: <4897D16F.3000504@shaw.ca> <20080805131417.GC8569@mit.edu> In-Reply-To: <20080805131417.GC8569@mit.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 828 Lines: 17 Theodore Tso schreef: > The real right answer though is to buy one of the laptop drives (such > as the Seagate Momentus 7200.2 or 7200.3) which has the anti-shock > detection built directly into the hard drive. That way you don't have > to have a daemon that sits in the OS waking up the CPU some 20 to 30 > times a second and burning up your battery even when the laptop is > idle. Well, it's not always _that_ bad. For instance, the accelerometer in the HP laptops (lis3lv02dl) can monitor free-falls by itself. When the laptop starts falling, it generates one interrupt. Eric -- 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/