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Date: Tue, 14 Jun 2016 20:30:33 +0200
From: Borislav Petkov <bp@alien8.de>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
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Subject: Re: [PATCH 2/2] printk: Add kernel parameter to control writes to
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On Tue, Jun 14, 2016 at 02:14:56PM -0400, Steven Rostedt wrote:
> But can we make it a one way feature (or a kernel parameter to do so?)
> that will prevent userspace from enabling it after it's been disabled.

You mean to be able to do boot with:

"printk.kmsg=off_and_i_mean_it"

which then disables the sysctl? Are you suspecting insolent userspace
reenabling it?

-- 
Regards/Gruss,
    Boris.

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