[PATCH v3] add kexec_load() syscall

[Roland McGrath]

> Btw. regarding adding the syscall, I see in linux/syscalls.list already 
> similiar esoteric syscalls like create_module without any header 
> support. I wouldn't object to do this for kexec_load as well,

I agree it's no less sensible than those.  I think those were dubious
additions too, but they are in the ABI already so it's moot now.  

For anything so arcane it has only one or two users anywhere, and not
performance-critical, calling 'syscall' is really perfectly fine.


Thanks,
Roland