Keir Fraser wrote: > On 30/5/08 06:13, "Itsuro ODA" <oda at valinux.co.jp> wrote: > > >> This patch makes the vmcore utilities (ex. crash, makedumpfile) be >> able to get the relocation address of the xen hypervisor from a vmcore. >> It is necessary for the utilities to find the data of the hypervisor >> structures. >> >> Note that this patch does not raise any comptibility issue for the >> utilities (which I know) nor the other components of xen. >> > > Since it both changes the size of the crash_info elf note, and adds the new > field in the middle of the crash_info structure, how can it not affect > compatibility? > > -- Keir > Itsuro did it that way on purpose. It maintains backwards compatibility by keeping the dom0_pfn_to_mfn_frame_list_list field as the last field in the PT_NOTE. crash doesn't know what a crash_xen_info_t structure is, but only its old and new size. Dave
