linux-kernel - Re: [PATCH] Fix failure to resume from initrds

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] [day] [month] [year] [list]

Date:	Fri, 14 Sep 2007 14:20:18 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Nigel Cunningham <nigel@...el.suspend2.net>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Fix failure to resume from initrds

Hi!

> From: Nigel Cunningham <nigel@...el.suspend2.net>
> 
> Commit 831441862956fffa17b9801db37e6ea1650b0f69 (Freezer: make kernel threads
> nonfreezable by default) breaks freezing when attempting to resume from an
> initrd, because the init (which is freezeable) spins while waiting for another
> thread to run /linuxrc, but doesn't check whether it has been told to enter
> the refrigerator. The original patch replaced a call to try_to_freeze() with a
> call to yield(). I believe a simple reversion is wrong because
> if !CONFIG_PM_SLEEP, try_to_freeze() is a noop. It should still yield.
> 
> Signed-off-by: Nigel Cunningham <nigel@...el.suspend2.net>
> Acked-by: Rafael J. Wysocki <rjw@...k.pl>

ACK.
								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/