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Re: [Xen-devel] kexec: Clearing registers just before jumping into purgatory

On Fri, Oct 11, 2013 at 5:48 PM, Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote:
> On Fri, Oct 11, 2013 at 11:44:50AM -0400, Vivek Goyal wrote:
>> Just Curious. How is it useful. IOW, what's your use case of booting a new
>> kernel and then jumping back.
> I'm kexecing into a kernel with a modified /dev/mem, modifying the
> original kernel and then jumping back into it.

How do you update the original kernel?
Sounds interesting.


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