linux-kernel - Re: [PATCH -mm 2/2] kexec jump -v12: save/restore device state

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Date:	Tue, 15 Jul 2008 13:19:04 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Pavel Machek <pavel@....cz>, nigel@...el.suspend2.net,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	Kexec Mailing List <kexec@...ts.infradead.org>
Subject: Re: [PATCH -mm 2/2] kexec jump -v12: save/restore device state

Hi, Vivek,

On Mon, 2008-07-14 at 09:48 -0400, Vivek Goyal wrote:
[...]
> You have cited various possible use cases of this patchset. Which is
> the specific feature you are planning to use?

I think two features are useful:

1. Kexec based hibernation
2. Do kdump then continue

> Thinking more about it, what's the compelling feature out of this list
> which makes this patchset a strong candidate for inclusion?
> 
> Regarding hibernation, Rafael does not think this is the way to go 
> for future.

I think kexec based hibernation can be a better hibernation scheme, at
least more code sharing.

Best Regards,
Huang Ying


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