[PATCH] Add key management syscalls to non-i386 archs

[Christoph Hellwig]

> Hi Linus, Andrew,
> 
> The attached patch adds syscalls for almost all archs (everything barring
> m68knommu which is in a real mess, and i386 which already has it).
> 
> It also adds 32->64 compatibility where appropriate.

Umm, that patch added the damn multiplexer that had been vetoed multiple
times.  Why did this happen?