linux-kernel - [RFC][Update][PATCH 0/3] ACPI / PM: Export power resources information to user space

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Message-ID: <2096792.ELJ8WGVaaz@vostro.rjw.lan>
Date:	Mon, 21 Jan 2013 01:48:55 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Kristen C. Accardi" <kristen.c.accardi@...el.com>,
	Len Brown <lenb@...nel.org>
Subject: [RFC][Update][PATCH 0/3] ACPI / PM: Export power resources information to user space

On Sunday, January 20, 2013 03:51:40 PM Rafael J. Wysocki wrote:
> Hi Greg,
> 
> The following patch series is about exporting ACPI power resources to user
> space that will be necessary for PM diagnostics on new platforms (powertop is
> the target).  Still, existing systems can also benefit from that, like my
> oldish HP nx6325 on which the patches have been tested.
> 
> Patch [1/3] shouldn't be really controverisal, as it only makes it possible
> to read power resources' reference counters from user space in a quite
> straightforward way.
> 
> Patch [3/3], however, exposes lists of power resources associated with
> different power states of devices using ACPI PM as sysfs subdirectories
> containing symbolic links and that requires some sysfs changes made by
> patch [2/3].
> 
> Admittedly, my sysfs skills are limited so please let me know if those
> changes make sense and are acceptable from your perspective.  If not, then
> please kindly advise what I can do instead of them.
> 
> The patches apply on top of the current linux-next branch of the linux-pm.git
> tree.

Refreshed with Documentation/ABI files as requested.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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