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From: Jens Axboe <axboe@kernel.dk>
To: Pavel Machek <pavel@ucw.cz>
Cc: Lee Trager <Lee@PicturesInMotion.net>,
	B.Zolnierkiewicz@elka.pw.edu.pl, linux-ide@vger.kernel.org,
	linux-kernel@vger.kernel.org, akpm@osdl.org, seife@suse.de
Subject: Re: HPA Resume patch
Date: Sun, 27 Aug 2006 19:05:01 +0200	[thread overview]
Message-ID: <20060827170501.GD30609@kernel.dk> (raw)
In-Reply-To: <20060827150608.GA4534@ucw.cz>

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


  reply	other threads:[~2006-08-27 17:02 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-27  8:42 HPA Resume patch Lee Trager
2006-08-27 10:16 ` Sergey Vlasov
2006-08-27 15:06 ` Pavel Machek
2006-08-27 17:05   ` Jens Axboe [this message]
2006-08-29  2:14     ` Lee Trager
2006-08-29  4:00       ` Randy.Dunlap
2006-08-29  9:10         ` Lee Trager
2006-08-29  9:12       ` Jens Axboe
2006-09-02  8:53         ` Lee Trager
2006-08-29 14:14       ` Valdis.Kletnieks
2006-08-27 17:09 ` Randy.Dunlap

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