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SubjectRe: [PATCH -mm 1/2] kexec jump -v12: kexec jump
On Tue, 8 Jul 2008 10:50:51 -0400 Vivek Goyal <vgoyal@redhat.com> wrote:

> On Mon, Jul 07, 2008 at 11:25:22AM +0800, Huang Ying wrote:
> > This patch provides an enhancement to kexec/kdump. It implements
> > the following features:
> >
> > - Backup/restore memory used by the original kernel before/after
> > kexec.
> >
> > - Save/restore CPU state before/after kexec.
> >
>
> Hi Huang,
>
> In general this patch set looks good enough to live in -mm and
> get some testing going.
>
> To me, adding capability to return back to original kernel looks
> like a logical extension to kexec functionality.

Exciting ;) It's much less code than I expected.

I don't think I understand the feature any more. Once upon a time we
thought that this might become a new and better (or at least
better-code-sharing) way of doing suspend-to-disk. How far are we from
that?

What are the prospects of supporting other architectures?

Who maintains kexec-tools, and are they OK with merging up the
corresponding changes?

Thanks.


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