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Message-ID: <4A1C7FF5.4060205@gmail.com>
Date: Tue, 26 May 2009 17:49:09 -0600
From: Robert Hancock <hancockrwd@gmail.com>
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To: Frans Pop <elendil@planet.nl>
CC: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-ide@vger.kernel.org,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] ide: add "ignore_hpa" module parameter
References: <200905252344.11826.bzolnier@gmail.com> <200905260106.13705.elendil@planet.nl> <200905261423.40117.bzolnier@gmail.com> <200905261453.22428.elendil@planet.nl>
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Frans Pop wrote:
>> Moreover the (much needed) work from Tejun doesn't help a tiny bit in
>> case of people migrating their *working* setups from IDE to libata
> 
> From what I've seen now that seems the most important case that needs 
> supporting, as well as the case where a working setup would migrate from 
> IDE with old HPA default to IDE with new HPA default.
> 
> Naive thought: wouldn't it be possible to check whether a partition 
> overlaps the HPA boundary and warn or even bug out in that case?

It does, you get a warning about the partition exceeding device 
capacity. Easy to miss that, however.