linux-kernel - Re: [PATCH] android: binder: fix type mismatch warning

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Message-ID: <20170918155206.GD16672@infradead.org>
Date:   Mon, 18 Sep 2017 08:52:06 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Riley Andrews <riandrews@...roid.com>,
        devel@...verdev.osuosl.org, Todd Kjos <tkjos@...roid.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        John Stultz <john.stultz@...aro.org>,
        Martijn Coenen <maco@...roid.com>
Subject: Re: [PATCH] android: binder: fix type mismatch warning

On Mon, Sep 18, 2017 at 05:35:03PM +0200, Arnd Bergmann wrote:
> Probably not on a native Android device or even a Chromebook that
> ships a binder user space together with a kernel, but what about
> people using "anbox" or similar projects that allow you to run
> Android apps in a container?
> 
> It seems like a legitimate use case of the binder modules, but
> now there is a kernel Kconfig option that has to match a user
> space binary.

Agreed.  It's also against our general policy for userspace interfaces.