Messages in this thread | | | Subject | Re: [RFC v2-fix-v2 1/1] x86/boot: Avoid #VE during boot for TDX platforms | From | "Kuppuswamy, Sathyanarayanan" <> | Date | Fri, 21 May 2021 11:32:36 -0700 |
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On 5/21/21 11:30 AM, Dave Hansen wrote: > That sounds sane to me. It would be nice to get this into the > changelog. Perhaps: > > This theoretically makes guest boot more fragile. If, for > instance, EER was set up incorrectly and a WRMSR was performed, > the resulting (unhandled) #VE would triple fault. However, this > is likely to trip up the guest BIOS long before control reaches > the kernel. In any case, these kinds of problems are unlikely > to occur in production environments, and developers have good > debug tools to fix them quickly. > > That would put my mind at ease a bit.
I can add it to change log.
-- Sathyanarayanan Kuppuswamy Linux Kernel Developer
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