linux-kernel - Re: [RESEND PATCH] binderfs: reserve devices for initial mount

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Message-ID: <20190111102055.fryctkdngibd56dq@brauner.io>
Date:   Fri, 11 Jan 2019 11:20:56 +0100
From:   Christian Brauner <christian@...uner.io>
To:     gregkh@...uxfoundation.org, tkjos@...roid.com,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Cc:     arve@...roid.com, maco@...roid.com, joel@...lfernandes.org,
        tkjos@...gle.com
Subject: Re: [RESEND PATCH] binderfs: reserve devices for initial mount

On Fri, Jan 11, 2019 at 11:19:40AM +0100, Christian Brauner wrote:
> The binderfs instance in the initial ipc namespace will always have a
> reserve of 4 binder devices unless explicitly capped by specifying a lower
> value via the "max" mount option.
> This ensures when binder devices are removed (on accident or on purpose)
> they can always be recreated without risking that all minor numbers have
> already been used up.
> 
> Cc: Todd Kjos <tkjos@...gle.com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Christian Brauner <christian.brauner@...ntu.com>

Cherry-picked this commit on top of char-misc-linus and it applied
cleanly. I hope I took the right branch?

Thanks!
Christian