Re: STI architectural question (and lretq -- I'm not even kidding)

From: Borislav Petkov
Date: Wed Jul 23 2014 - 06:49:24 EST


On Tue, Jul 22, 2014 at 06:33:02PM -0700, Andy Lutomirski wrote:
> Of course, this does nothing at all to protect us from #MC after sti
> on return from #MC to userspace, but I think we're screwed regardless
> -- we could just as easily get a second #MC before the sti. Machine
> check broadcast was the worst idea ever.

Please do not think that a raised #MC means the machine is gone. There
are MC errors which are reported with the exception mechanism and from
which we can and do recover, regardless of broadcasting or not.

--
Regards/Gruss,
Boris.

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