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20th June 2018
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OpenBSD disables Intel’s hyper-threading
OpenBSD has disabled Intel’s hyper-threading technology, citing security concerns.
As detailed in this post, OpenBSD maintainer Mark Kettenis wrote that “SMT (Simultanious Multi Threading) implementations typically share TLBs and L1 caches between threads.” --The Register, 20 June 2018 http://www.theregister.co.uk/2018/06...yperthreading/
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