April 27, 2016

AMD Posts Secure Memory Encryption For the Linux Kernel (SME)

Well, today seems to be the day for x86 CPU vendors to push out memory security related features for the Linux kernel... After Intel posted the Secure Guard Extensions driver for Linux, AMD has come out with a patch-set for "Secure Memory Encryption" (SME) that looks like it will be a hardware feature of Zen.

I hadn't heard much about AMD's Secure Memory Encryption (SME) feature up to now and some quick searching isn't turning up too much, but presumably is a feature for Zen. Tom Lendacky of AMD describes SME as:...

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