linux-kernel - Re: [PATCH 2/2] x86: Allow disabling of sys_iopl, sys

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Message-ID: <4E1F5429.6080903@zytor.com>
Date:	Thu, 14 Jul 2011 13:40:09 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Mike Waychison <mikew@...gle.com>
CC:	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] x86: Allow disabling of sys_iopl, sys_ioperm

On 07/14/2011 01:38 PM, Mike Waychison wrote:
>>
>> Wouldn't it be more useful for this to be a sysctl?  In particular, like
>> many similar things it probably should be a lockable sysctl (three
>> states: enabled, disabled, and locked-disabled).
>>
>> Making it a compile-time option I'm very skeptical to.
> 
> Are there existing examples of this already in the tree?
> 

I think so, but I don't know off the top of my head.

	-hpa
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