On Wed, 5 Apr 2017, David Howells wrote:

Can you please change the subsys in $subject to 'x86/msr:' ?

> From: Matthew Garrett <matthew.garr...@nebula.com>
> 
> Writing to MSRs should not be allowed if the kernel is locked down, since
> it could lead to execution of arbitrary code in kernel mode.  Based on a
> patch by Kees Cook.
> 
> Signed-off-by: Matthew Garrett <matthew.garr...@nebula.com>
> Signed-off-by: David Howells <dhowe...@redhat.com>
> Acked-by: Kees Cook <keesc...@chromium.org>
> cc: x...@kernel.org

Reviewed-by: Thomas Gleixner <t...@linutronix.de>

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