On Tue, Aug 30, 2022 at 04:42:19PM -0700, Jim Mattson wrote: >Don't we need a software BHB-clearing sequence on VM-exit for Intel >parts that don't report IA32_ARCH_CAPABILITIES.BHI_NO? What am I >missing? I think we need the software mitigation on parts that don't support/enable BHI_DIS_S of IA32_SPEC_CTRL MSR and don't enumerate BHI_NO. Pawan, any idea? > >https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/branch-history-injection.html
