Re: kdbus: add documentation

[David Herrmann]

Hi

On Sun, Nov 30, 2014 at 9:56 AM, Florian Weimer <fw@xxxxxxxxxxxxx> wrote:
> * Greg Kroah-Hartman:
>
>> +The focus of this document is an overview of the low-level, native kernel D-Bus
>> +transport called kdbus. Kdbus exposes its functionality via files in a
>> +filesystem called 'kdbusfs'. All communication between processes takes place
>> +via ioctls on files exposed through the mount point of a kdbusfs. The default
>> +mount point of kdbusfs is /sys/fs/kdbus.
>
> Does this mean the bus does not enforce the correctness of the D-Bus
> introspection metadata?  That's really unfortunate.  Classic D-Bus
> does not do this, either, and combined with the variety of approaches
> used to implement D-Bus endpoints, it makes it really difficult to
> figure out what D-Bus services, exactly, a process provides.

kdbus operates on the transport-level only. We never touch or look at
transferred data. As such, DBus introspection data as defined by
org.freedesktop.DBus.Introspectable is not verified by the transport
layer.

Thanks
David
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