linux-kernel - Re: [PATCH] x86, msr: Allow read access to /dev/cpu/X/msr

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Message-ID: <558D9DCA.7070705@zytor.com>
Date:	Fri, 26 Jun 2015 11:45:30 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Prarit Bhargava <prarit@...hat.com>, linux-kernel@...r.kernel.org
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	Len Brown <len.brown@...el.com>,
	Dasaratharaman Chandramouli 
	<dasaratharaman.chandramouli@...el.com>
Subject: Re: [PATCH] x86, msr: Allow read access to /dev/cpu/X/msr

On 06/26/2015 10:52 AM, Prarit Bhargava wrote:
> 
> This patch allows read access to the msr dev files which should be okay.
> No damage can be done by reading the MSR values and it allows non-root
> users to run system monitoring software.
> 

I don't believe that is true.

	-hpa


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