Re: EFI mixed mode + perf = rampant triple faults

[Borislav Petkov]

On Wed, Jan 14, 2015 at 10:38:25AM -0800, Andy Lutomirski wrote:
> That's not a real MCE, though -- it happens synchronously instead of

MCE can be synchronous in a sense too, as a result of executing an insn,
for example, i.e., EIPV bit set.

> at MCE priority with all the associated messiness.  Or is the idea to
> just stick that in after switching to the 32-bit mode being tested?

Yes, the idea was to simply trigger a real exception after switching to
32-bit while still with 64-bit IDT handlers.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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