From: Jens Axboe <axboe@suse.de>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Joshua Kwan <joshk@triplehelix.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: Re: SATA suspend-to-ram patch - merge?
Date: Thu, 22 Sep 2005 08:18:50 +0200 [thread overview]
Message-ID: <20050922061849.GJ7929@suse.de> (raw)
In-Reply-To: <433221A1.5000600@pobox.com>
On Wed, Sep 21 2005, Jeff Garzik wrote:
> Joshua Kwan wrote:
> >Is Jens' patch still relevant? If so, should it be rediffed and merged
> >into mainline? It doesn't seem to cause any weird side-effects.
> >
> >More importantly, I would be inclined to properly rediff Jens' patch and
> >merge it into Debian 2.6.12 kernel sources if there aren't any such
> >side-effects, since it benefits everyone using SATA and suspend-to-ram
> >(that is, users of relatively modern laptops.)
>
> Jens' patch is technical correct for SATA, but really we want to do more
> stuff at the SCSI layer (see James Bottomley's response to Jens' patch).
>
> Unfortunately, this also implies that we have to figure out which SCSI
> devices are available to be power-managed, and which SCSI devices are on
> a shared bus that should never be suspended.
>
> So currently we are in limbo...
Which is a shame, since it means that software suspend on sata is
basically impossible :)
--
Jens Axboe
next prev parent reply other threads:[~2005-09-22 6:24 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <433104E0.4090308@triplehelix.org>
2005-09-22 3:14 ` SATA suspend-to-ram patch - merge? Jeff Garzik
2005-09-22 6:18 ` Jens Axboe [this message]
2005-09-22 13:04 ` Mark Lord
2005-09-22 13:08 ` Matthew Garrett
2005-09-22 13:24 ` Jens Axboe
2005-09-22 13:24 ` Jens Axboe
2005-09-22 14:28 ` Christoph Hellwig
2005-09-22 14:17 ` Alan Cox
2005-09-22 13:56 ` Jens Axboe
2005-09-22 14:30 ` Alan Cox
2005-09-22 14:20 ` Luben Tuikov
2005-09-22 17:57 ` Jeff Garzik
2005-09-22 18:04 ` Linus Torvalds
2005-09-22 18:08 ` Christoph Hellwig
2005-09-22 18:11 ` Jens Axboe
2005-09-22 15:01 ` Randy.Dunlap
2005-09-22 10:36 ` Pavel Machek
2005-09-24 10:18 ` Jeff Garzik
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