linux-kernel - Re: [RFC][PATCH -mm 1/3] PM: Hibernation and suspend notifiers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070530222956.GD27309@elf.ucw.cz>
Date:	Thu, 31 May 2007 00:29:56 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Nigel Cunningham <nigel@...el.suspend2.net>,
	Oliver Neukum <oliver@...kum.org>
Subject: Re: [RFC][PATCH -mm 1/3] PM: Hibernation and suspend notifiers

Hi!

> > I think the rule should be: If you need to do something _before_ tasks are
> > frozen, do it in PM_PRE_FREEZE, but if you can do that after the tasks have
> > been frozen, do it on PM_HIBERNATION_PREPARE (or PM_SUSPEND_PREPARE in the
> > suspend case).
> 
> OTOH, having considered it for a while, I think that for now I can add just
> PM_PRE_FREEZE and PM_POST_THAW, as I don't have any user for the other ones.
> The other events may be added in the future if need be (along with some users).
> 
> I'll post revised patches in a new thread.

Yes please.

(Hmm, but you may create 4 of them PM_PRE_HIBERNATION, PM_PRE_SUSPEND,
PM_POST_HIBERNATION, PM_POST_SUSPEND -- I'd call all of them before
freeze and after thaw, but if we drop freezer for suspend, we won't
have to rename anything.)
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/