Re: HPA Resume patch

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On Sun, Aug 27 2006, Pavel Machek wrote:
> Hi!
> 
> > This patch fixes a problem with computers that have HPA on their hard
> > drive and not being able to come out of resume from RAM or disk. I've
> > tested this patch on 2.6.17.x and 2.6.18-rc4 and it works great on both
> > of these. This patch also fixes the bug #6840. This is my first patch to
> > the kernel and I was told to e-mail the above people to get my patch
> > into the kernel.
> 
> Congratulations for a first patch.
> 
> > If I made a mistake please be gentle and correct me ;)
> 
> We'll need signed-off-by: line next time.
> 
> Stefan, can we get this some testing? Or anyone else with thinkpad
> with host-protected area still enabled?

It has design issues, at someone else already noticed. hpa restore needs
to be a driver private step, included in the resume state machine. The
current patch is a gross layering violation.

But thanks to Lee for taking a stab at this, I hope he'll continue and
get it polished :-)

-- 
Jens Axboe

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