Re: [PATCH] remove sys_security

Andi Kleen
2002-10-18T10:07:55Z

> For such ports would we need to have security system calls operating in both
> 64bit and 32bit versions? For SE Linux half the programs that use the SE
> system calls are specific to SE Linux (loading policy, showing or toggling
> "enforcing mode", etc), the other half are modified versions of ls, ps, cron,
> login, and a few other important system programs.

On most 64bit ports it is no big issue, just a nuisance. But sparc64 and
mips64 don't have a 64bit userland, only 32bit. For these it is a showstopper.

> > Some ports even only have 32bit userland but 64bit kernel (like sparc64 or
> > mips64)
>
> So for those ports we could have a straight 32bit interface and again have no
> problems.

So you want to maintain an own interface for sparc64? That's identical
to an emulation layer effectively, but somewhat less maintainable.

-Andi