linux-kernel - Re: [tip:perf/urgent] tracing: Prevent unloadable modules from using trace

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Message-ID: <AANLkTin7Daj=HnWXstuWxymjuBfF9axfKZWvei_EKefw@mail.gmail.com>
Date:	Tue, 26 Oct 2010 08:06:40 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	linux-kernel@...r.kernel.org, mingo@...hat.com, hpa@...or.com,
	rusty@...tcorp.com.au, torvalds@...ux-foundation.org,
	fweisbec@...il.com, rostedt@...dmis.org, srostedt@...hat.com,
	tglx@...utronix.de
Subject: Re: [tip:perf/urgent] tracing: Prevent unloadable modules from using trace_bprintk()

On Tue, Oct 26, 2010 at 3:21 AM, tip-bot for Steven Rostedt
<srostedt@...hat.com> wrote:
>
> tracing: Prevent unloadable modules from using trace_bprintk()

I still don't think this patch makes sense.

Some of it is just totally insane. The CONFIG_MODVERSIONS check is
just crazy. MODVERSIONS has nothing what-so-ever to do with the issue.

Don't do this. It's total voodoo programming.

                   Linus
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