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Date:   Wed, 30 Jan 2019 09:28:57 +0100
From:   Greg Kroah-Hartman <>
To:     "Theodore Y. Ts'o" <>,,,, Jiri Slaby <>
Subject: Re: [PATCH] tty: ldisc: add sysctl to prevent autoloading of ldiscs

On Mon, Jan 21, 2019 at 07:01:42PM -0500, Theodore Y. Ts'o wrote:
> On Mon, Jan 21, 2019 at 05:26:42PM +0100, Greg Kroah-Hartman wrote:
> > By default, the kernel will automatically load the module of any line
> > dicipline that is asked for.  As this sometimes isn't the safest thing
> > to do, provide a sysctl to disable this feature.
> > 
> > By default, we set this to 'y' as that is the historical way that Linux
> > has worked, and we do not want to break working systems.  But in the
> > future, perhaps this can default to 'n' to prevent this functionality.
> > 
> > Signed-off-by: Greg Kroah-Hartman <>
> Reviewed-by: Theodore Ts'o <>

Thanks for the review!

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