linux-kernel - Re: [Patch] idle governor: Avoid lock acquisition to read pm

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Message-ID: <1297366384.2645.175.camel@schen9-DESK>
Date:	Thu, 10 Feb 2011 11:33:04 -0800
From:	Tim Chen <tim.c.chen@...ux.intel.com>
To:	James Bottomley <James.Bottomley@...e.de>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	mark gross <markgross@...gnar.org>,
	David Alan Gilbert <linux@...blig.org>,
	linux-kernel@...r.kernel.org, Len <len.brown@...el.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Arjan van de Ven <arjan@...ux.intel.com>
Subject: Re: [Patch] idle governor: Avoid lock acquisition to read pm_qos
 before entering idle

On Thu, 2011-02-10 at 11:45 -0600, James Bottomley wrote:

> 
> What you say is true as long as the value is 32 bits ... perhaps a note
> of that should be made somewhere?
> 

It seems like pm_qos_add_request, pm_qos_update_request only uses 32
bits value.  Did I miss some cases where the target value for
pm_qos_object be non-32 bit under some situation?

Tim

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