Re: [RFC] Add kernel<->userspace ABI stability documentation

Greg KH
2006-03-01T00:22:57Z

On Tue, Feb 28, 2006 at 02:39:29PM +0300, Nikita Danilov wrote:
> Greg KH writes:
>
> [...]
>
> > +
> > + stable/
> > + This directory documents the interfaces that have determined to
> > + be stable. Userspace programs are free to use these interfaces
> > + with no restrictions, and backward compatibility for them will
> > + be guaranteed for at least 2 years. Most simple interfaces
> > + (like syscalls) are expected to never change and always be
> > + available.
>
> What about separating "stable" ("guaranteed for at least 2 years") and
> "standard" (core unix interface is not going to change ever)?

Why? Would that mean that the POSIX-like syscalls would only be in
"standard"? What else would you think would be in that category?

thanks,

greg k-h