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From: Greg KH <gregkh@linuxfoundation.org>
To: "Michael J. Coss" <michael.coss@alcatel-lucent.com>
Cc: davem@davemloft.net, linux-kernel@vger.kernel.org,
	containers@lists.linuxcontainers.org, serge.hallyn@ubuntu.com,
	stgraber@ubuntu.com
Subject: Re: [PATCH 0/3] kobject: support namespace aware udev
Date: Tue, 8 Sep 2015 20:54:00 -0700	[thread overview]
Message-ID: <20150909035400.GA5153@kroah.com> (raw)
In-Reply-To: <cover.1441762578.git.michael.coss@alcatel-lucent.com>

On Tue, Sep 08, 2015 at 10:10:27PM -0400, Michael J. Coss wrote:
> Currently when a uevent occurs, the event is replicated and sent to every
> listener on the kernel netlink socket, ignoring network namespaces boundaries,
> forwarding events to every listener in every network namespace.
> 
> With the expanded use of containers, it would be useful to be able to
> regulate this flow of events to specific containers.  By restricting
> the events to only the host network namespace, it allows for a userspace
> program to provide a system wide policy on which events are routed where.

Interesting, but why do you need a container to get a uevent at all?
What uevents do a container care about?

thanks,

greg k-h

  parent reply	other threads:[~2015-09-09 18:24 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-09  2:10 [PATCH 0/3] kobject: support namespace aware udev Michael J. Coss
2015-09-09  2:10 ` [PATCH 1/3] lib/kobject_uevent.c: disable broadcast of uevents to other namespaces Michael J. Coss
2015-09-11  0:36   ` Eric W. Biederman
2015-09-11 18:21     ` Michael J Coss
     [not found]   ` <51c185b6fa89f0b8e9e7dcaffb3c21c975c84302.1441762578.git.michael.coss-cfy2TCaE7SFv+uJa97DSA9BPR1lH4CV8@public.gmane.org>
2015-10-02 17:40     ` Oren Laadan
2015-09-09  2:10 ` [PATCH 2/3] lib/kobject_uevent.c: add uevent forwarding function Michael J. Coss
2015-09-09  3:55   ` Greg KH
     [not found]     ` <20150909035527.GB5153-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-09-09 19:24       ` Michael J Coss
2015-09-09 19:24         ` Michael J Coss
     [not found]         ` <55F0875C.6060108-cfy2TCaE7SFv+uJa97DSA9BPR1lH4CV8@public.gmane.org>
2015-09-09 20:11           ` Greg KH
2015-09-09 20:11             ` Greg KH
     [not found]             ` <20150909201123.GC9328-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-09-10  5:43               ` Amir Goldstein
2015-09-10  5:43                 ` Amir Goldstein
     [not found]                 ` <CAA2m6vcnUz4EeS-FH2P=GjKSquXit=j1NE5Yut8_baLA+TvjJA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-10  5:58                   ` Greg KH
2015-09-10  5:58                     ` Greg KH
2015-09-11  0:54   ` Eric W. Biederman
2015-09-11 18:43     ` [COMMERCIAL] " Michael J Coss
     [not found]   ` <3456750fe7a5a5eb709e315618facf5704cc1885.1441762578.git.michael.coss-cfy2TCaE7SFv+uJa97DSA9BPR1lH4CV8@public.gmane.org>
2015-10-02 18:00     ` Oren Laadan
     [not found]       ` <CAA4jN2br76atf9UuOhJVcoQPZ6GMN91Mk1GsoXcVFC-eFvFafA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-14  3:40         ` Oren Laadan
2015-09-09  2:10 ` [PATCH 3/3] net/udevns: Netlink module to forward uevent to containers Michael J. Coss
2015-09-11  1:05   ` Eric W. Biederman
2015-09-11 19:01     ` Michael J Coss
2015-09-09  3:54 ` Greg KH [this message]
2015-09-09 19:05   ` [PATCH 0/3] kobject: support namespace aware udev Michael J Coss
2015-09-09 20:09     ` Greg KH
2015-09-09 20:16       ` Michael J Coss
2015-09-09 20:28         ` Greg KH
2015-09-09 20:55           ` [COMMERCIAL] " Michael J Coss
2015-09-10  5:21             ` Greg KH
     [not found] ` <cover.1441762578.git.michael.coss-cfy2TCaE7SFv+uJa97DSA9BPR1lH4CV8@public.gmane.org>
2015-09-09 18:53   ` [PATCH 1/3] lib/kobject_uevent.c: disable broadcast of uevents to other namespaces Michael J. Coss
2015-09-09 18:53   ` [PATCH 2/3] lib/kobject_uevent.c: add uevent forwarding function Michael J. Coss
2015-09-09 18:53   ` [PATCH 3/3] net/udevns: Netlink module to forward uevent to containers Michael J. Coss
  -- strict thread matches above, loose matches on Subject: below --
2015-09-09 18:53 [PATCH 0/3] kobject: support namespace aware udev Michael J. Coss

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