linux-kernel - Re: pcmcia resume 60 second hang. Re: [patch 00/69] -stable review

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]

Date:	Wed, 30 May 2007 23:17:47 +1000
From:	Nigel Cunningham <nigel@...el.suspend2.net>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Pavel Machek <pavel@....cz>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: pcmcia resume 60 second hang. Re: [patch 00/69] -stable review

On Wed, 2007-05-30 at 13:40 +0100, Matthew Garrett wrote:
> On Wed, May 30, 2007 at 01:49:21PM +0200, Pavel Machek wrote:
> 
> (Trimmed the Cc:s quite heavily - I think this has gone somewhere beyond 
> the original point)
> 
> > Notice that we want to be able to suspend while hibernating -- for
> > suspend to both behaviour. So drivers may _not_ rely on system being
> > runnable.
> 
> So keep the driver layers read-only and unfreeze the processes after 
> doing the atomic copy.

I know you probably won't care, but that's not an option for Suspend2 -
I get the possibility of a full image by overwriting LRU pages that were
saved prior to the atomic copy.

That aside, keeping the driver layers read-only sounds more complicated
than just freezing processes.

Regards,

Nigel

Download attachment "signature.asc" of type "application/pgp-signature" (190 bytes)