On 01/17/2014 09:04 AM, Borislav Petkov wrote:
> On Fri, Jan 17, 2014 at 08:58:49AM -0800, H. Peter Anvin wrote:
>> #BR exception from kernel space -> panic.
>>
>> We have tons of rules on kernel code... e.g. no FPU usage. This one is
>> minor in comparison.
>
> So basically review should catch those wrong BOUND usages?
>
Yes. It would take some serious effort to get BOUND or MPX instructions
into the kernel -- you'd have to put them in inline assembly, and BOUND
doesn't even exist in 64-bit mode.
-hpa
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