linux-kernel - Re: [patch 2/4] Expose Power Management Policy option to users

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070709193603.GA5722@ucw.cz>
Date:	Mon, 9 Jul 2007 19:36:04 +0000
From:	Pavel Machek <pavel@....cz>
To:	Kristen Carlson Accardi <kristen.c.accardi@...el.com>
Cc:	jeff@...zik.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	James.Bottomley@...eleye.com, edwintorok@...il.com,
	axboe@...nel.dk, linux-scsi@...r.kernel.org
Subject: Re: [patch 2/4] Expose Power Management Policy option to users

Hi!

> This patch will modify the scsi subsystem to allow
> users to set a power management policy for the link.
> 
> The scsi subsystem will create a new sysfs file for each
> host in /sys/class/scsi_host called "link_power_management_policy".
> This file can have 3 possible values:
> 
> Value		Meaning
> -------------------------------------------------------------------
> min_power	User wishes the link to conserve power as much as
> 		possible, even at the cost of some performance
> 
> max_performance User wants priority to be on performance, not power
> 		savings
> 
> medium_power	User wants power savings, with less performance cost
> 		than min_power (but less power savings as well).

Has that anything to do with HIPM vs. DIPM? 

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/