From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Nigel Cunningham <nigel@nigel.suspend2.net>
Subject: Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
Date: Fri, 21 Sep 2007 14:18:19 +0200
User-Agent: KMail/1.9.5
Cc: Andrew Morton <akpm@linux-foundation.org>, nigel@suspend2.net,
       Pavel Machek <pavel@ucw.cz>, "Huang, Ying" <ying.huang@intel.com>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       Jeremy Maitin-Shepard <jbms@cmu.edu>, linux-kernel@vger.kernel.org,
       linux-pm@lists.linux-foundation.org,
       Kexec Mailing List <kexec@lists.infradead.org>,
       Len Brown <lenb@kernel.org>
References: <1190266447.21818.17.camel@caritas-dev.intel.com> <200709211356.30291.rjw@sisk.pl> <200709212158.50538.nigel@nigel.suspend2.net>
In-Reply-To: <200709212158.50538.nigel@nigel.suspend2.net>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200709211418.20358.rjw@sisk.pl>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 936
Lines: 23

On Friday, 21 September 2007 13:58, Nigel Cunningham wrote:
> Hi.
> 
> On Friday 21 September 2007 21:56:29 Rafael J. Wysocki wrote:
> > [Besides, the current hibernation userland interface is used by default by
> > openSUSE and it's also used by quite some Debian users, so we can't drop
> > it overnight and it can't be implemented in a compatible way on top of the
> > kexec-based solution.]
> 
> Could it be fudged by giving userland a null image and having (say) the first 
> ioctl be one that triggers all the real work (with other ioctls being noops 
> or such like, as appropriate)?

Well, the "suspend" part is probably doable, but I'm afraid of the "resume"
one.

Greetings,
Rafael
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/