[linux-pm] [PATCH -mm] kexec jump -v9

Vivek Goyal vgoyal at redhat.com
Wed Mar 12 12:47:51 PDT 2008


On Wed, Mar 12, 2008 at 09:45:26AM +0800, Huang, Ying wrote:

[..]
> > I have thought through it again and try to put together some of the
> > new kexec options we can introduce to make the whole thing work. I am 
> > considering a simple case where a user boots the kernel A and then
> > launches kernel B using "kexec --load-preseve-context". Now a user
> > might save the hibernated image or might want to come back to A.
> > 
> > - kexec -l <kernel-image>
> >         Normal kexec functionality. Boot a new kernel, without preserving
> >         existing kernel's context.
> > 
> > - kexec --load-preserve-context <kernel-image>
> >         Boot a new kernel while preserving existing kernel's context.
> > 
> >         Will be used for booting kernel B for the first time.
> > 
> > - kexec --load-resume-image <resumable-core>
> 
> In original kexec-tools, this can be done through:
> kexec -l --args-none <resumable-core>
> 
> Do you need to define an alias for it?

Ok, we can get rid of --load-resume-image and go by the Eric's idea
of detecting image type and taking action accordingly.

Thanks
Vivek


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