1 Reply Latest reply on Jan 9, 2018 2:12 PM by Intel Corporation

    Compensation for Spectra and Meltdown issue in i7 CPUs

    iroxter

      Hello!

      How is INTEL planning to compensate customers for the expected performance degradation caused by CPU microcode patches to fix the security issues Spectre and Meltdown ?

       

      PS C:\WINDOWS\system32> Get-SpeculationControlSettings

      Speculation control settings for CVE-2017-5715 [branch target injection]

       

      Hardware support for branch target injection mitigation is present: False

      Windows OS support for branch target injection mitigation is present: True

      Windows OS support for branch target injection mitigation is enabled: False

      Windows OS support for branch target injection mitigation is disabled by system policy: False

      Windows OS support for branch target injection mitigation is disabled by absence of hardware support: True

       

      Speculation control settings for CVE-2017-5754 [rogue data cache load]

       

      Hardware requires kernel VA shadowing: True

      Windows OS support for kernel VA shadow is present: True

      Windows OS support for kernel VA shadow is enabled: True

      Windows OS support for PCID performance optimization is enabled: False [not required for security]

       

      Suggested actions

       

      * Install BIOS/firmware update provided by your device OEM that enables hardware support for the branch target injectio

      n mitigation.

       

       

      BTIHardwarePresent             : False

      BTIWindowsSupportPresent       : True

      BTIWindowsSupportEnabled       : False

      BTIDisabledBySystemPolicy      : False

      BTIDisabledByNoHardwareSupport : True

      KVAShadowRequired              : True

      KVAShadowWindowsSupportPresent : True

      KVAShadowWindowsSupportEnabled : True

      KVAShadowPcidEnabled           : False

       

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      Best regards!