linux-kernel - Re: [PATCH v2 1/3] PM suspend/hibernate: Call notifier after freezing processes

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Message-ID: <20150720073226.GB25910@pali>
Date:	Mon, 20 Jul 2015 09:32:26 +0200
From:	Pali Rohár <pali.rohar@...il.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Alasdair Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...hat.com>, Neil Brown <neilb@...e.de>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	dm-devel@...hat.com, linux-raid@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v2 1/3] PM suspend/hibernate: Call notifier after
 freezing processes

On Saturday 18 July 2015 01:27:15 Rafael J. Wysocki wrote:
> On Thursday, July 16, 2015 09:33:02 AM Pali Rohár wrote:
> > On Thursday 16 July 2015 03:02:03 Rafael J. Wysocki wrote:
> > > Also, if you're adding AFTER_FREEZE, it would be good to add BEFORE_THAW too
> > > for symmetry.
> > > 
> > 
> > But there is no use case for BEFORE_THAW. At least it is not needed for now.
> 
> For your use case, a single function pointer would be sufficient too.
> 

What do you mean by single function pointer? kernel/power is part of
kernel image and dm-crypt is external kernel module.

-- 
Pali Rohár
pali.rohar@...il.com
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