On Fri, Jan 04, 2013 at 02:41:17PM +0000, Jan Beulich wrote: > >>> On 04.01.13 at 15:22, Daniel Kiper <daniel.kiper at oracle.com> wrote: > > On Wed, Jan 02, 2013 at 11:26:43AM +0000, Andrew Cooper wrote: > >> /sbin/kexec can load the "Xen" crash kernel itself by issuing > >> hypercalls using /dev/xen/privcmd. This would remove the need for > >> the dom0 kernel to distinguish between loading a crash kernel for > >> itself and loading a kernel for Xen. > >> > >> Or is this just a silly idea complicating the matter? > > > > This is impossible with current Xen kexec/kdump interface. > > Why? Because current KEXEC_CMD_kexec_load does not load kernel image and other things into Xen memory. It means that it should live somewhere in dom0 Linux kernel memory. Daniel