On Fri, Oct 11, 2013 at 04:37:27PM +0100, Matthew Garrett wrote: > 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. Hi Matthew, Just Curious. How is it useful. IOW, what's your use case of booting a new kernel and then jumping back. Thanks Vivek
