Re: [PATCH 2/5] x86, mpx: hook #BR exception handler to allocatebound tables

From: H. Peter Anvin
Date: Fri Jan 17 2014 - 11:51:58 EST

On 01/17/2014 08:48 AM, Borislav Petkov wrote:
> On Fri, Jan 17, 2014 at 08:31:16AM -0800, H. Peter Anvin wrote:
>> As long as the exception originates from user space there shouldn't
>> be any issue.
> And if it originates from kernel space?

We shouldn't have any BOUND or MPX instructions in kernel space. Panic.


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