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

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To: Rafael J. Wysocki <rjw@...>

Cc: Andrew Morton <akpm@...>, <nigel@...>, Pavel Machek <pavel@...>, Huang, Ying <ying.huang@...>, Eric W. Biederman <ebiederm@...>, Jeremy Maitin-Shepard <jbms@...>, <linux-kernel@...>, <linux-pm@...>, Kexec Mailing List <kexec@...>, Len Brown <lenb@...>

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

Date: Friday, September 21, 2007 - 7:58 am

Hi.

On Friday 21 September 2007 21:56:29 Rafael J. Wysocki wrote:
quoted text> [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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Messages in current thread:

[RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump, Huang, Ying, (Thu Sep 20, 1:34 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Eric W. Biederman, (Fri Sep 21, 12:01 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Huang, Ying, (Fri Sep 21, 4:42 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Eric W. Biederman, (Thu Sep 20, 10:55 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Huang, Ying, (Fri Sep 21, 3:27 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Pavel Machek, (Thu Sep 20, 6:09 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Nigel Cunningham, (Thu Sep 20, 8:24 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Pavel Machek, (Fri Sep 21, 5:49 am)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Fri Sep 21, 8:10 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Andrew Morton, (Thu Sep 20, 9:06 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Thomas Meyer, (Mon Sep 24, 1:37 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Nigel Cunningham, (Thu Sep 20, 9:19 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Andrew Morton, (Thu Sep 20, 9:41 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Rafael J. Wysocki, (Fri Sep 21, 7:56 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., huang ying, (Fri Sep 21, 9:25 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Nigel Cunningham, (Fri Sep 21, 7:58 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Rafael J. Wysocki, (Fri Sep 21, 8:18 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Nigel Cunningham, (Fri Sep 21, 8:15 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Nigel Cunningham, (Thu Sep 20, 9:57 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Eric W. Biederman, (Thu Sep 20, 11:33 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Fri Sep 21, 8:09 am)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., huang ying, (Fri Sep 21, 9:14 am)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Fri Sep 21, 10:31 am)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Jeremy Maitin-Shepard, (Fri Sep 21, 2:11 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Fri Sep 21, 3:00 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Alan Stern, (Fri Sep 21, 3:45 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Fri Sep 21, 4:15 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Jeremy Maitin-Shepard, (Fri Sep 21, 4:26 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Fri Sep 21, 4:53 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Jeremy Maitin-Shepard, (Fri Sep 21, 5:08 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Fri Sep 21, 5:25 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Jeremy Maitin-Shepard, (Fri Sep 21, 5:16 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Kyle Moffett, (Fri Sep 21, 7:19 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Sat Sep 22, 6:34 am)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Kyle Moffett, (Sat Sep 22, 2:00 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Sat Sep 22, 5:51 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Joseph Fannin, (Wed Sep 26, 4:52 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Nigel Cunningham, (Fri Sep 21, 7:47 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Sat Sep 22, 6:40 am)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Pavel Machek, (Thu Oct 11, 4:54 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Wed Oct 24, 4:38 pm)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., huang ying, (Fri Sep 21, 11:02 am)

Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat..., Rafael J. Wysocki, (Fri Sep 21, 11:50 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Andrew Morton, (Fri Sep 21, 12:16 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Huang, Ying, (Thu Sep 20, 10:18 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Nigel Cunningham, (Thu Sep 20, 10:25 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Huang, Ying, (Thu Sep 20, 10:45 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Alon Bar-Lev, (Sat Sep 22, 6:02 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Nigel Cunningham, (Thu Sep 20, 10:58 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Eric W. Biederman, (Fri Sep 21, 12:46 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Pavel Machek, (Fri Sep 21, 5:45 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Joseph Fannin, (Wed Sep 26, 4:30 pm)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Huang, Ying, (Thu Sep 27, 2:33 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Nigel Cunningham, (Thu Sep 27, 2:35 am)

Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ..., Nigel Cunningham, (Wed Sep 26, 4:52 pm)

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