linux-kernel - Re: [linux-pm] driver power operations (was Re: suspend2 merge)

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Message-Id: <1177687461.3565.38.camel@johannes.berg>
Date:	Fri, 27 Apr 2007 17:24:21 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-pm@...ts.linux-foundation.org,
	Alan Stern <stern@...land.harvard.edu>,
	Nick Piggin <npiggin@...e.de>, Ingo Molnar <mingo@...e.hu>,
	suspend2-devel@...ts.suspend2.net, Mike Galbraith <efault@....de>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Con Kolivas <kernel@...ivas.org>, Adrian Bunk <bunk@...sta.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Pavel Machek <pavel@....cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [linux-pm] driver power operations (was Re: suspend2 merge)

On Fri, 2007-04-27 at 17:12 +0200, Rafael J. Wysocki wrote:

> How do we differentiate between post_snapshot() and post_restore()?
> I mean, after the restore we're entering the same code path as after the
> snapshot, so do we use a global var for this purpose?

That's pretty easy to do though, we already know at which point we are
so we just put an if(...) invoke_post_snapshot() else
invoke_post_restore().

johannes

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