On Sat, Nov 24, 2012 at 4:04 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>
> It sounds like we are leaning toward some form of the sentinel hack, which
> means we need an enumerated list of things that should *not* be zeroed if
> the sentinel is present.
>
> The option of declaring the list frozen makes me a bit nervous, because it
> isn't clear that we don't already have fields that will be misinterpreted by
> the kernel if filled in from the file.

USE_EXT_BOOT_PARAMS bit in xloadflags should work.