linux-kernel - Re: [patch] power, xen64: fix PM

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Message-ID: <20080709204238.GA4298@elte.hu>
Date:	Wed, 9 Jul 2008 22:42:38 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
	Stephen Tweedie <sct@...hat.com>,
	Eduardo Habkost <ehabkost@...hat.com>,
	Mark McLoughlin <markmc@...hat.com>
Subject: Re: [patch] power, xen64: fix PM_SLEEP build dependencies


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Rafael J. Wysocki wrote:
>> It does.  And it depends on PM, because HIBERNATION and SUSPEND both depend
>> on PM.
>>   
>
> OK, so can we change PM_SLEEP to depend on PM && (HIBERNATE || SUSPEND
> || XEN)?
>
> Or I could add a separate XEN_SAVE_RESTORE config which depends on PM, 
> and then we make PM_SLEEP depend on XEN_SAVE_RESTORE.

another way would be to select PM_SLEEP if PM is enabled, from within 
XEN. (this is one of the rare cases where select is valid - as PM_SLEEP 
is not an interactive option)

	Ingo
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