On Thu, Sep 29, 2011 at 08:51:02AM +0900, Simon Horman wrote: > On Mon, Sep 26, 2011 at 03:09:09PM +0200, Michael Holzheu wrote: > > Hello Simon, > > > > I think the --load-preserve-context and --load-jump-back-helper kexec > > options are not working on s390 because we do not support > > CONFIG_KEXEC_JUMP. I assume the same is true also on other > > architectures. Correct me, if I am wrong. Unfortunately I did not find > > much documentation for that feature. > > > > Wouldn't it be better to print an error message when the options are > > used on those architectures? > > Ideally it would be nice if kexec-tools could ask the kernel > if KEXEC_JUMP is supported (or enabled?) or not rather than > hardcoding this information into kexec-tools on a per-architecture basis. Shouldn't kexec system call return error if KEXEC_JUMP is not supported and user asked for it? Thanks Vivek