linux-kernel - Re: [linux-pm] Re: [PATCH 0/2] Kexec jump: The first step to kexec base hibernation

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: <Pine.LNX.4.44L0.0707121205030.11819-100000@iolanthe.rowland.org>
Date:	Thu, 12 Jul 2007 12:09:05 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Mark Lord <lkml@....ca>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>, <david@...g.hm>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	<linux-kernel@...r.kernel.org>, Pavel Machek <pavel@....cz>,
	"Huang, Ying" <ying.huang@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	<linux-pm@...ts.linux-foundation.org>,
	Jeremy Maitin-Shepard <jbms@....edu>
Subject: Re: [linux-pm] Re: [PATCH 0/2] Kexec jump: The first step to kexec
 base hibernation

On Thu, 12 Jul 2007, Mark Lord wrote:

> Rafael J. Wysocki wrote:
> > On Thursday, 12 July 2007 08:43, david@...g.hm wrote:
> >> On Wed, 11 Jul 2007, Jeremy Fitzhardinge wrote:
> >>
> >>> Andrew Morton wrote:
> ..
> >> 8. hibernate kernel does syspend-to-ram to put the devices into a known 
> >> safe state.
> > Again, the devices should be quiesced rather then suspended in this step.
> 
> That's just not possible.  The Hibernate kernel will not have all
> of the same device drivers as the mainline kernel.  Or at least that's
> what people have previously stated here.

It doesn't matter.  The Hibernate kernel needs to quiesce only the 
devices it has been using, since it is the only kernel to run since the 
system was started.

Alan Stern

-
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/