Re: [PATCH] libata: add warning about possible HPA compatibilityissue
From: Alan Cox
Date: Mon May 25 2009 - 18:38:40 EST
> > NAK - this is extremely misleading and will just randomly terrify users,
> > who may then set the paramater and corrupt things like BIOS save areas.
> Please propose better description.
As was discussed before
Tejun has a patch in the queue which exposes the HPA and real sizes to
Libata can support revalidating a disc
Once the HPA/Real size data is there the tools can be tuned for this and
a sysfs node added to switch hpa on/off per disc. At that point this can
be done by the user space intelligently.
The fact this is a user parameter is itself a problem.
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