linux-kernel - Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump

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Message-Id: <200709212158.50538.nigel@nigel.suspend2.net>
Date:	Fri, 21 Sep 2007 21:58:47 +1000
From:	Nigel Cunningham <nigel@...el.suspend2.net>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, nigel@...pend2.net,
	Pavel Machek <pavel@....cz>,
	"Huang, Ying" <ying.huang@...el.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Jeremy Maitin-Shepard <jbms@....edu>,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	Kexec Mailing List <kexec@...ts.infradead.org>,
	Len Brown <lenb@...nel.org>
Subject: Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump

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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