Messages in this thread | | | Date | Wed, 14 Jan 2015 19:47:14 +0100 | From | Borislav Petkov <> | Subject | Re: EFI mixed mode + perf = rampant triple faults |
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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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