From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: "Huang, Ying" <ying.huang@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Pavel Machek <pavel@ucw.cz>,
nigel@nigel.suspend2.net,
Andrew Morton <akpm@linux-foundation.org>,
Jeremy Maitin-Shepard <jbms@cmu.edu>,
linux-kernel@vger.kernel.org,
linux-pm@lists.linux-foundation.org,
Kexec Mailing List <kexec@lists.infradead.org>
Subject: Re: [PATCH 0/2 -mm] kexec based hibernation -v5
Date: Thu, 11 Oct 2007 12:17:57 +0200 [thread overview]
Message-ID: <200710111217.58473.rjw@sisk.pl> (raw)
In-Reply-To: <1192068833.27482.13.camel@caritas-dev.intel.com>
On Thursday, 11 October 2007 04:13, Huang, Ying wrote:
> Kexec base hibernation has some potential advantages over uswsusp and
> TuxOnIce (suspend2). Some most obvious advantages are:
Well, I have some doubts as far as the obviousness is concerned.
> 1. The hibernation image size can exceed half of memory size easily.
This is also possible with TuxOnIce.
> 2. The hibernation image can be written to and read from almost
> anywhere, such as USB disk, NFS.
This is possible with uswsusp, at least in theory, probably with TuxOnIce too.
> 3. It is possible to eliminate freezer from kexec based hibernation
> implementation.
This isn't true as long as we have not changed the handling of devices
(which is in the works, but will take time).
> 4. Based on kexec/kdump implementation, the kernel code needed is
> less.
Well, maybe.
Greetings,
Rafael
next prev parent reply other threads:[~2007-10-11 10:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-11 2:13 Huang, Ying
2007-10-11 10:17 ` Rafael J. Wysocki [this message]
2007-10-12 3:19 ` Huang, Ying
2007-10-12 11:37 ` Rafael J. Wysocki
2007-10-19 19:53 ` Phillip Susi
2007-10-20 1:53 ` david
2007-10-20 5:50 ` huang ying
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