linux-kernel - Re: [PATCH V4] binder: ipc namespace support for android binder

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Message-ID: <CAHRSSEw26XZMAgR=9HXVzBEDanwJABcJAYzYgA32HtaC0TR+7A@mail.gmail.com>
Date:   Fri, 16 Nov 2018 11:19:41 -0800
From:   Todd Kjos <tkjos@...gle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     akpm@...ux-foundation.org, chouryzhou@...cent.com,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>, dave@...olabs.net,
        "open list:ANDROID DRIVERS" <devel@...verdev.osuosl.org>,
        LKML <linux-kernel@...r.kernel.org>, christian@...uner.io
Subject: Re: [PATCH V4] binder: ipc namespace support for android binder

On Thu, Nov 15, 2018 at 2:54 PM gregkh@...uxfoundation.org
<gregkh@...uxfoundation.org> wrote:
...
>
> A number of us have talked about this in the plumbers Android track, and
> a different proposal for how to solve this has been made that should be
> much more resiliant.  So I will drop this patch from my queue and wait
> for the patches based on the discussions we had there.
>
> I think there's some notes/slides on the discussion online somewhere,
> but it hasn't been published as the conference is still happening,
> otherwise I would link to it here...

Here is a link to the session where you can look at the slides [1].
There was consensus that "binderfs" (slide 5) was the most promising
-- but would be behind a config option to provide backwards
compatibility for non-container use-cases.

The etherpad notes are at [2] (look at "Dynamically Allocated Binder
Devices" section)

Christian Brauner will be sending out more details.

-Todd

[1] https://linuxplumbersconf.org/event/2/contributions/222/
[2] https://etherpad.openstack.org/p/Android

>
> thanks,
>
> greg k-h