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SubjectRe: [PATCH 00/12] Add kdbus implementation
On Thu, 30 Oct 2014, Jiri Kosina wrote:

> > > It seems to me that most of the highlight features from the cover letter
> > > can be "easily" (for certain definition of that word, of course)
> > > implemented in userspace (vmsplice(), sending fd through unix socket, user
> > > namespaces, UUID management, etc).
> >
> > We have dbus in userspace today, but that requires extra copies of data,
> But we can do zero-copy between processess for quite some time already, so
> what exactly is the issue here?
> > and isn't easy, or even possible, to do some of the application-specific
> > bus logic that kdbus provides.
> I unfortunately have absolutely no idea what should I imagine here.

Also, I think I have heard that binder is going out of staging now, right?

I admittedly have very limited understanding of both binder and kdbus, but
I guess that is the case for many folks. My understanding is that they are
providing very similar functionality, so explanation why we need *both* in
the kernel would be very interesting as well.

Jiri Kosina

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