Messages in this thread | | | Date | Fri, 12 Jan 2018 11:21:26 -0800 | From | Andi Kleen <> | Subject | Re: Improve retpoline for Skylake |
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> > Skylake still loses if it takes an SMI, right?
SMMs are usually rare, especially on servers, and are usually not very predictible, and even if you have one it would need to interrupt on a quite narrow window, so difficult to arrange. I don't worry about SMM.
> Or encounters a call > stack of more than 16 in depth?
Yes that's it. This could be mitigated over time.
-Andi
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