| Date | Wed, 23 Apr 2014 01:39:30 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH] x86-64: espfix for 64-bit mode *PROTOTYPE* |
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> That simply will not work if you can take a #GP due to the "safe" MSR > functions from NMI and #MC context, which would be my main concern.
At some point the IST entry functions subtracted 1K while the handler ran to handle simple nesting cases.
Not sure that code is still there.
-Andi
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