linux-kernel - Re: [PATCH] remove CONFIG

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Date:   Wed, 29 Jun 2022 18:45:48 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Christoph Hellwig <hch@....de>
Cc:     "Paul E. McKenney" <paulmck@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Christian Brauner <brauner@...nel.org>,
        Hridya Valsaraju <hridya@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Theodore Ts'o <tytso@....edu>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "Alex Xu (Hello71)" <alex_y_xu@...oo.ca>,
        Paolo Abeni <pabeni@...hat.com>, Rob Herring <robh@...nel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>,
        Josh Triplett <josh@...htriplett.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org,
        wireguard@...ts.zx2c4.com, netdev@...r.kernel.org,
        rcu@...r.kernel.org, linux-kselftest@...r.kernel.org,
        sultan@...neltoast.com
Subject: Re: [PATCH] remove CONFIG_ANDROID

On Wed, Jun 29, 2022 at 06:37:01PM +0200, Christoph Hellwig wrote:
> be a policy set somewhere either in the kernel or fed into the kernel
> by userspace.  Then we can key it off that, and I suspect it is
> probably going to be a runtime variable and not a config option.

Right, this would be a good way of addressing it.

Maybe some Android people on the list have a good idea off hand of what
Android uses at runtime to control this, and how it'd be accessible in
the kernel?

Jason