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

On Fri, Oct 11, 2013 at 08:52:06AM -0400, Vivek Goyal wrote:
> On Fri, Oct 11, 2013 at 01:04:55PM +0200, Daniel Kiper wrote:
> [..]
> > > In theory you can swap between to kernels with the preserve_context
> > > case.  Technically I like the ability but I don't know that it has ever
> > > achieved much uptake.
> > 
> > I think that this is nice idea too. However, I have not seen its usage in 
> > real.
> > Even once there was an idea to remove that stuff from Linux Kernel.
> I have not seen anybody using it. I don't even know if it works or not.

It works. I'm using it.

Matthew Garrett | mjg59@xxxxxxxxxxxxx

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