Re: [PATCH 1/5] The config option itself

From: Serge E. Hallyn
Date: Wed Sep 26 2007 - 13:06:32 EST


Quoting Serge E. Hallyn (serue@xxxxxxxxxx):
> Quoting Pavel Emelyanov (xemul@xxxxxxxxxx):
> > The option is called NAMESPACES. It can be selectable only
> > if EMBEDDED is chosen (this was Eric's requisition). When
> > the EMBEDDED is off namespaces will be on automatically.
> >
> > One more option (NAMESPACES_EXPERIMENTAL) was added by
> > Serge's request to move there all the namespaces that are
> > not finished yet. Currently only the user and the network
> > namespaces are such.
> >
> > Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxx>
> >
> > ---
> >
> > diff --git a/init/Kconfig b/init/Kconfig
> > index 684ccfb..05a71d7 100644
> > --- a/init/Kconfig
> > +++ b/init/Kconfig
> > @@ -369,6 +360,23 @@ config RELAY
> >
> > If unsure, say N.
> >
> > +config NAMESPACES
> > + bool "The namespaces support" if EMBEDDED
> > + default !EMBEDDED
> > + help
> > + Provides the way to make tasks work with different objects using
> > + the same id. For example same IPC id may refer to different objects
> > + or same user id or pid may refer to different tasks when used in
> > + different namespaces.
> > +
> > +config NAMESPACES_EXPERIMENTAL
> > + bool "Add the experimantal namespaces support" if EMBEDDED
>
> Hi Pavel,
>
> Overall this patchset looks good.
>
> However the NAMESPACES_EXPERIMENTAL option should not have the
> 'if EMBEDDED', right? This is about EXPERIMENTAL, not about
> EMBEDDED, unlike the plain NAMESPACES option.
>
> -serge

Actually that doesn't seem to work either. Even though
SECURITY_NAMESPACES=y, the config system seems to infer that
since NAMESPACES is not user-selectable, NAMESPACES_EXPERIMENTAL
shouldn't be either. So we end up with NAMESPACES_EXPERIMENTAL
being on and not un-selectable if !EMBEDDED.

> > + depends on NAMESPACES && EXPERIMENTAL
> > + default !EMBEDDED
> > + help
> > + Also include the support for the namespaces that are not fnished
> > + or well developed yet
> > +
> > config BLK_DEV_INITRD
> > bool "Initial RAM filesystem and RAM disk (initramfs/initrd) support"
> > depends on BROKEN || !FRV
-
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