Messages in this thread | | | Date | Tue, 3 May 2016 23:12:03 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH] [RFC] x86: work around MPX Erratum |
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On Tue, May 03, 2016 at 02:04:40PM -0700, Dave Hansen wrote: > My concern was not necessarily with folks booting with 'nosmep', but
Btw, does anything speak for even keeping that 'nosmep' thing?
> with processors that have MPX present and SMEP fused off (or made > unavailable by a hypervisor) and which are unaffected by this issue.
So we won't init MPX on those...
> People would have to be very careful to never create a processor which > did not have SMEP but did have MPX, since MPX would effectively be > unusable on such a processor.
We can disable that combination in qemu too, right?
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply.
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