| From | Justin Forbes <> | Date | Thu, 4 Jan 2018 13:05:34 -0600 | Subject | Re: [PATCH 0/7] IBRS patch series |
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On Thu, Jan 4, 2018 at 11:56 AM, Tim Chen <tim.c.chen@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?
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