On 14.04.2021 06:40, Igor Druzhinin wrote:
> LBR, C-state MSRs should correspond to Ice Lake desktop according to
> SDM rev. 74 for both models.
>
> Ice Lake-SP is known to expose IF_PSCHANGE_MC_NO in IA32_ARCH_CAPABILITIES MSR
> (as advisory tells and Whitley SDP confirms) which means the erratum
LBR, C-state MSRs should correspond to Ice Lake desktop according to
SDM rev. 74 for both models.
Ice Lake-SP is known to expose IF_PSCHANGE_MC_NO in IA32_ARCH_CAPABILITIES MSR
(as advisory tells and Whitley SDP confirms) which means the erratum is fixed
in hardware for that model and therefore it
