linux-kernel - Re: nf_reject_ipv4: module license 'unspecified' taints kernel

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Message-ID: <20141014081234.GB5357@dhcp-16-198.nay.redhat.com>
Date:	Tue, 14 Oct 2014 16:12:34 +0800
From:	"'Dave Young'" <dyoung@...hat.com>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	"pablo@...filter.org" <pablo@...filter.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: nf_reject_ipv4: module license 'unspecified' taints kernel

On 10/10/14 at 09:53am, David Laight wrote:
> From: Dave Young
> > With today's linus tree, I got below kmsg:
> > [   23.545204] nf_reject_ipv4: module license 'unspecified' taints kernel.
> > [   23.551886] Disabling lock debugging due to kernel taint
> ...
> 
> Not 100% related, but why does loading a non-GPL module disable 
> lock debugging?
> (Is 'lock debugging' actually useful?)

I believe that we can not trust the debugging any more because kernel taint.. 

Thanks
Dave
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