linux-kernel - Re: [PATCH] Remove process freezer from suspend to RAM pathway

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: <200707031020.13691.oliver@neukum.org>
Date:	Tue, 3 Jul 2007 10:20:13 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Romano Giannetti <romanol@...omillas.es>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org
Subject: Re: [PATCH] Remove process freezer from suspend to RAM pathway

Am Dienstag, 3. Juli 2007 schrieb Romano Giannetti:
> On Tue, 2007-07-03 at 05:29 +0100, Matthew Garrett wrote:
> > or alternatively we  could do what we do for suspend to RAM on other
> > platforms (PPC and APM) and just not use the freezer.
> 
> As a data point, I am running with this patch on top of 2.6.21.2 the
> last 3+ weeks, with an average of 5/6 STR cycles a day, and had no
> problems at all. (Sony vaio pcg-fx701). Just normal work, I didn't try
> to stress the thing, but I have quite a few times suspended/resumed over
> a big compile without a glitch.
> 
> What are the risks of this patch supposed to be?

You did this test only while stressing normal block devices. Try
provoking races in character devices.

	Regards
		Oliver

-
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/