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Re:LLVM patch to fix half of Spectre attack by cws125 on Thursday January 04, 2018 @12:13PM (#16072009)
Just as a FYI, according to:

* https://lkml.org/lkml/2018/1/4/432 * http://xenbits.xen.org/gitweb/?p=people/andrewcoop/xen.git;a...

It appears that Skylake and later can actually predict retpolines? Some hardware features called IBRS, IBPB, STIBP (not a lot of details on this are out there) are supposedly coming in a microcode update.

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