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Open Source and information security mailing list archives
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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/
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