From: Matthew Wilcox <matthew@wil.cx>
To: James Bottomley <James.Bottomley@SteelEye.com>
Cc: Tejun Heo <htejun@gmail.com>, Jeff Garzik <jeff@garzik.org>,
Kristen Carlson Accardi <kristen.c.accardi@intel.com>,
linux-scsi@vger.kernel.org, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
edwintorok@gmail.com, axboe@kernel.dk
Subject: Re: [patch 2/4] Expose Power Management Policy option to users
Date: Wed, 1 Aug 2007 10:53:52 -0600 [thread overview]
Message-ID: <20070801165352.GB21219@parisc-linux.org> (raw)
In-Reply-To: <1185891488.3468.2.camel@localhost.localdomain>
On Tue, Jul 31, 2007 at 09:18:08AM -0500, James Bottomley wrote:
> The other comment is that power saving seems to be a property of the
> transport rather than the host. If you do it in the transport classes,
> then you can expose all the knobs the actual transport possesses (which
> is, unfortunately, none for quite a few SCSI transports).
Would it save any power to negotiate down to, say, FAST-20 for the SPI
transport? Or to negotiate narrow instead of wide, so fewer cables have
to be powered?
--
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
next prev parent reply other threads:[~2007-08-01 16:53 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070705194909.337398431@intel.com>
2007-07-05 20:05 ` [patch 1/4] Store interrupt value Kristen Carlson Accardi
2007-08-01 8:18 ` Tejun Heo
2007-08-01 14:01 ` Jeff Garzik
2007-08-01 21:18 ` Kristen Carlson Accardi
2007-07-05 20:05 ` [patch 2/4] Expose Power Management Policy option to users Kristen Carlson Accardi
2007-07-09 19:36 ` Pavel Machek
2007-07-11 16:51 ` Kristen Carlson Accardi
2007-07-30 16:32 ` Jeff Garzik
2007-07-31 6:27 ` Tejun Heo
2007-07-31 14:16 ` Arjan van de Ven
2007-07-31 14:45 ` Tejun Heo
2007-07-31 16:15 ` Arjan van de Ven
2007-07-31 18:29 ` Tejun Heo
2007-08-01 9:23 ` Tejun Heo
2007-08-01 16:31 ` Kristen Carlson Accardi
2007-08-01 21:16 ` Kristen Carlson Accardi
2007-08-09 16:10 ` Kristen Carlson Accardi
2007-07-31 16:18 ` Kristen Carlson Accardi
2007-07-31 17:48 ` Tejun Heo
2007-07-31 20:24 ` Kristen Carlson Accardi
2007-08-01 3:20 ` Tejun Heo
2007-07-31 14:58 ` Tejun Heo
2007-07-31 14:18 ` James Bottomley
2007-08-01 16:53 ` Matthew Wilcox [this message]
2007-08-01 17:06 ` James Bottomley
2007-07-31 16:30 ` Kristen Carlson Accardi
2007-07-31 18:02 ` Tejun Heo
2007-07-31 19:58 ` Kristen Carlson Accardi
2007-08-01 3:24 ` Tejun Heo
2007-08-01 15:52 ` Kristen Carlson Accardi
2007-08-01 21:07 ` Kristen Carlson Accardi
2007-07-05 20:05 ` [patch 3/4] Enable link power management for ata drivers Kristen Carlson Accardi
2007-07-05 22:33 ` Andrew Morton
2007-07-05 22:37 ` Andrew Morton
2007-07-06 0:01 ` Jeff Garzik
2007-07-06 0:02 ` Jeff Garzik
2007-07-06 0:17 ` Andrew Morton
2007-07-06 0:00 ` Jeff Garzik
2007-08-01 8:27 ` Tejun Heo
2007-08-01 9:45 ` edwintorok
2007-08-01 21:11 ` Kristen Carlson Accardi
2007-08-02 5:27 ` Tejun Heo
2007-07-05 20:05 ` [patch 4/4] Enable Aggressive Link Power management for AHCI controllers Kristen Carlson Accardi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070801165352.GB21219@parisc-linux.org \
--to=matthew@wil.cx \
--cc=James.Bottomley@SteelEye.com \
--cc=akpm@linux-foundation.org \
--cc=axboe@kernel.dk \
--cc=edwintorok@gmail.com \
--cc=htejun@gmail.com \
--cc=jeff@garzik.org \
--cc=kristen.c.accardi@intel.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.