[PATCH v2] x86/umip: Add emulation for 64-bit processes

From: Ingo Molnar
Date: Tue Sep 10 2019 - 02:37:27 EST



* hpa@xxxxxxxxx <hpa@xxxxxxxxx> wrote:

> On September 10, 2019 7:28:28 AM GMT+01:00, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
> >
> >* hpa@xxxxxxxxx <hpa@xxxxxxxxx> wrote:
> >
> >> I would strongly suggest that we change the term "emulation" to
> >> "spoofing" for these instructions. We need to explain that we do
> >*not*
> >> execute these instructions the was the CPU would have, and unlike the
> >
> >> native instructions do not leak kernel information.
> >
> >Ok, I've edited the patch to add the 'spoofing' wording where
> >appropriate, and I also made minor fixes such as consistently
> >capitalizing instruction names.
> >
> >Can I also add your Reviewed-by tag?
> >
> >So the patch should show up in tip:x86/asm today-ish, and barring any
> >complications is v5.4 material.
> >
> >Thanks,
> >
> > Ingo
>
> Yes, please do.
>
> Reviewed-by: H. Peter Anvin (Intel) <hpa@xxxxxxxxx>

Thanks!

I've attached the updated version of the patch I'm testing.

Ingo

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