linux-kernel - Re: [PATCH 0/4] module: add support for unsafe, tainting parameters

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Message-ID: <CAKMK7uGrT6jvsetM2av26CBEgQBv4b9asAP9kGN_-WdtT1bdkQ@mail.gmail.com>
Date:	Thu, 14 Aug 2014 07:21:55 +0200
From:	Daniel Vetter <daniel.vetter@...ll.ch>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Jani Nikula <jani.nikula@...el.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	Jean Delvare <khali@...ux-fr.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Li Zhong <zhong@...ux.vnet.ibm.com>,
	Jon Mason <jon.mason@...el.com>
Subject: Re: [PATCH 0/4] module: add support for unsafe, tainting parameters

On Wed, Aug 13, 2014 at 10:25 PM, Rusty Russell <rusty@...tcorp.com.au> wrote:
> Jani Nikula <jani.nikula@...el.com> writes:
>> This is a generic version of Daniel's patch [1] letting us have unsafe
>> module parameters (experimental, debugging, testing, etc.) that taint
>> the kernel when set. Quoting Daniel,
>
> OK, I think the idea is fine, but we'll probably only want this for
> a few types (eg. int and bool).  So for the moment I prefer a more
> naive approach.
>
> Does this work for you?

Can you please discuss this with yourself from a few months back?
We've done the general version since you suggested that just doing it
for int is a bit lame ;-) And I actually agreed so asked Jani to look
into that.

http://mid.mail-archive.com/87r46gywul.fsf@rustcorp.com.au

"If this is a good idea, you can write a macro module_param_unsafe_named
which is a general wrapper."

Cheers, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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