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Date: Fri, 08 Feb 2013 11:42:50 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Kees Cook <keescook@chromium.org>
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Subject: Re: [PATCH] x86: Lock down MSR writing in secure boot
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On 02/08/2013 11:18 AM, Kees Cook wrote:
> No. CAP_RAWIO is for reading. Writing needs a much stronger check.
>
> -Kees

If so, I suspect we need to do this for *all* raw I/O... but I keep 
wondering how much more sensitive writing really is than reading.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.