From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phillip Susi Subject: Re: libata: implement on-demand HPA unlocking Date: Fri, 11 Feb 2011 13:22:00 -0500 Message-ID: <4D557E48.3040304@cfl.rr.com> References: <4D51A648.20707@cfl.rr.com> <20110209085935.GE6558@htj.dyndns.org> <4D52B0B3.40900@cfl.rr.com> <20110209153714.558133d7@lxorguk.ukuu.org.uk> <4D52ECB6.4010408@cfl.rr.com> <20110209211351.3d7eff85@lxorguk.ukuu.org.uk> <4D5306F8.6050106@cfl.rr.com> <20110209213904.4aff945d@lxorguk.ukuu.org.uk> <4D532FFC.2020503@cfl.rr.com> <4D543A8B.7040504@cfl.rr.com> <20110210193524.2d2f60d0@lxorguk.ukuu.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.122]:61262 "EHLO cdptpa-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757969Ab1BKSWH (ORCPT ); Fri, 11 Feb 2011 13:22:07 -0500 In-Reply-To: <20110210193524.2d2f60d0@lxorguk.ukuu.org.uk> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: Bartlomiej Zolnierkiewicz , Tejun Heo , Ben Hutchings , Jeff Garzik , IDE/ATA development list On 2/10/2011 2:35 PM, Alan Cox wrote: > Lots of systems store lots of things they define as 'essential' in both > HPA and non HPA areas, I've seen uglies like laptops with a 2GB+ HPA > holding the windows reinstall for example. > > Strangely enough the users often disagree on the subject, and also the > vendors tend to be sensible about what happens if it isn't there because > users do disk swaps when drives fail or as aftermarket upgrades. That is a very good example of something we should not break without good cause. Sure, you might just loose that press key X to recover boot option, but we still should avoid breaking it.