On Fri, Oct 11, 2013 at 06:33:23PM +0200, Richard Weinberger wrote: > On Fri, Oct 11, 2013 at 5:48 PM, Matthew Garrett <mjg59 at srcf.ucam.org> 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? It's still in RAM, so the same way you'd modify any other arbitrary physical address? -- Matthew Garrett | mjg59 at srcf.ucam.org
