Re: kexec: Clearing registers just before jumping into purgatory

Matthew Garrett
2013-10-11T16:56:57Z

On Fri, Oct 11, 2013 at 12:53:51PM -0400, Vivek Goyal wrote:
> On Fri, Oct 11, 2013 at 05:44:00PM +0100, Matthew Garrett wrote:
> > I have /dev/mem and a list of addresses I want to modify.
>
> Why to boot in a second kernel to modify first kernel's RAM. Why not
> do it directly from the first kernel itself (until and unless we want
> first kernel to be stopped while doing those modifications).

Because the kernel in question won't let me do that.

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