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Message-Id: <20180718.131734.1797450417729100374.davem@davemloft.net>
Date: Wed, 18 Jul 2018 13:17:34 +0900 (KST)
From: David Miller <davem@...emloft.net>
To: tyhicks@...onical.com
Cc: gregkh@...uxfoundation.org, tj@...nel.org,
stephen@...workplumber.org, dmitry.torokhov@...il.com,
ebiederm@...ssion.com, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org, bridge@...ts.linux-foundation.org,
containers@...ts.linux-foundation.org
Subject: Re: [PATCH v2 net-next 0/7] Make /sys/class/net per net namespace
objects belong to container
From: Tyler Hicks <tyhicks@...onical.com>
Date: Fri, 13 Jul 2018 16:05:42 +0000
> I'm reviving this patch set because we would like this feature for
> system containers. One specific use case that we have is that libvirt is
> unable to configure its bridge device inside of a system container due
> to the bridge files in /sys/class/net/ being owned by init root instead
> of container root. The last two patches in this set are patches that
> I've added to Dmitry's original set to allow such configuration of the
> bridge device.
>
> Eric had previously provided feedback that he didn't favor these changes
> affecting all layers of the stack and that most of the changes could
> remain local to drivers/base/core.c. That feedback is certainly sensible
> but I wanted to send out v2 of the patch set without making that large
> of a change since quite a bit of time has passed and the bridge changes
> in the last patch of this set shows that not all of the changes will be
> local to drivers/base/core.c. I'm happy to make the changes if the
> original request still stands.
>
> I've verified that all of the bridge related files affected by patch 7
> have proper access control checks for CAP_NET_ADMIN inside of the
> user namespace. I have *not* yet verified that all of the network
> device related sysfs files affected by patch 5 have proper access
> control checks. I was working under the assumption that those code paths
> already were verified when the first iteration of the patches were sent
> out.
Ok, I can't let this series rot forever, so I'll apply it to net-next.
Thank you.
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