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SubjectRe: [RFC v1 00/14] Bus1 Kernel Message Bus
On Fri, Oct 28, 2016 at 3:11 PM, Richard Weinberger
<> wrote:
> On Wed, Oct 26, 2016 at 9:17 PM, David Herrmann <> wrote:
>> Hi
>> This proposal introduces bus1.ko, a kernel messaging bus. This is not a request
>> for inclusion, yet. It is rather an initial draft and a Request For Comments.
>> While bus1 emerged out of the kdbus project, bus1 was started from scratch and
>> the concepts have little in common. In a nutshell, bus1 provides a
>> capability-based IPC system, similar in nature to Android Binder, Cap'n Proto,
>> and seL4. The module is completely generic and does neither require nor mandate
>> a user-space counter-part.
> One thing which is not so clear to me is the role of bus1 wrt. containers.
> Can a container A exchange messages with a container B?
> If not, where is the boundary? I guess it is the pid namespace.

There is no restriction with respect to containers. The metadata is
translated between namespaces, obviously, but you can send messages to
anyone you have a handle to.



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