On Fri, Nov 22, 2013 at 02:30:17PM +0100, Jiri Kosina wrote: > On Fri, 22 Nov 2013, Geert Uytterhoeven wrote: > > > > Why ELF case is so interesting. I have not use kexec to boot ELF > > > images in years and have not seen others using it too. In fact bzImage > > > seems to be the most common kernel image format for x86, most of the distros > > > ship and use. > > > > > > So first I did the loader for the common use case. There is no reason > > > that one can't write another loader for ELF images. It just bloats > > > the code. Hence I thought that other image loaders can follow slowly. I am > > > not sure why do you say that bzImage is uninteresting. > > > > Welcome to the non-x86-centric world ;-) > > > > Looking at kexec-tools, all of arm, cris, i386, ia64, m68k, mips, ppc, ppc64, > > s390, sh, and x86_64 support ELF. > > Only arm, i386, ppc, ppc64, sh, and x86_64 support zImage. > > It's not clear to me what alpha supports (if it supports anything at all?). > > OTOH, does this feature make any sense whatsover on architectures that > don't support secure boot anyway? I guess if signed modules makes sense, then being able to kexec signed kernel images should make sense too, in general. Thanks Vivek
