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Date: Sun, 30 Nov 2014 18:17:46 +0100 From: David Herrmann <dh.herrmann@...il.com> To: Florian Weimer <fw@...eb.enyo.de> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Arnd Bergmann <arnd@...db.de>, "Eric W. Biederman" <ebiederm@...ssion.com>, One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>, Tom Gundersen <teg@...m.no>, Jiri Kosina <jkosina@...e.cz>, Andy Lutomirski <luto@...capital.net>, Linux API <linux-api@...r.kernel.org>, linux-kernel <linux-kernel@...r.kernel.org>, Daniel Mack <daniel@...que.org>, Djalal Harouni <tixxdz@...ndz.org> Subject: Re: kdbus: add documentation Hi On Sun, Nov 30, 2014 at 9:56 AM, Florian Weimer <fw@...eb.enyo.de> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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