From: Nigel Cunningham <nigel@nigel.suspend2.net>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
Date: Fri, 21 Sep 2007 21:58:47 +1000
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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> <20070920184106.79e1858a.akpm@linux-foundation.org> <200709211356.30291.rjw@sisk.pl>
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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)?

Regards,

Nigel
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