On 01/04/2018 11:05 AM, Justin Forbes wrote: > On Thu, Jan 4, 2018 at 11:56 AM, Tim Chen <tim.c.c...@linux.intel.com> wrote: >> This patch series enables the basic detection and usage of x86 indirect >> branch speculation feature. It enables the indirect branch restricted >> speculation (IBRS) on kernel entry and disables it on exit. >> It enumerates the indirect branch prediction barrier (IBPB). >> >> The x86 IBRS feature requires corresponding microcode support. >> It mitigates the variant 2 vulnerability described in >> https://googleprojectzero.blogspot.com/2018/01/reading-privileged-memory-with-side.html >> > > Are there plans to make the corresponding microcode support available? >
The microcode patches should be released soon. Tim
