[PATCH] D41723: Introduce the "retpoline" x86 mitigation technique for variant #2 of the speculative execution vulnerabilities disclosed today, specifically identified by CVE-2017-5715, "Branch Target Injection", and is one of the two halves to Spectre..

Dibyendu Das via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jan 5 03:14:25 PST 2018

ddibyend added a comment.

For AMD processors we may be able to handle indirect jumps via a simpler lfence mechanism. Indirect calls may still require retpoline. If this turns out to be the right solution for AMD processors we may need to put some code in to support this.


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