kexec: Clearing registers just before jumping into purgatory

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On Fri, Oct 11, 2013 at 06:59:41PM +0200, Richard Weinberger wrote:
> Am 11.10.2013 18:55, schrieb Matthew Garrett:
> > On Fri, Oct 11, 2013 at 06:47:19PM +0200, Richard Weinberger wrote:
> > 
> >> But you still need a magic tool which create you this list.
> > 
> > I just read /proc/kallsyms. I'm really not doing anything complicated.
> > 
> >> If you have a tool which takes two kernel images and create such
> >> a delta, fine.
> > 
> > Isn't that ksplice?
> 
> So, you have a variant of ksplice which is able to kexec?

No, I manually look up some addresses from /proc/kallsyms and then 
modify them in the second kernel.

-- 
Matthew Garrett | mjg59 at srcf.ucam.org



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