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

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Message-ID: <20080709202607.GH14009@elte.hu>
Date:	Wed, 9 Jul 2008 22:26:07 +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:

>> I'll have a look at the remaining related patches and see what can be 
>> done.
>>
>> Jeremy, what exactly do you need the !PM && PM_SLEEP combination for, 
>> BTW?
>
> See drivers/xen/manage.c.  On the Xen save/restore path, I call 
> device_(suspend|resume|power_down|power_up)(), primarily to get the 
> system timers into a good state after the machine has been away for a 
> while.  Xen doesn't have a general dependency on the rest of the PM 
> infrastructure.

see the last config link i sent - even with my fixes i couldnt get it to 
work. So there were quite a few dependencies i think.

	Ingo
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