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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