• Oliver Upton's avatar
    Merge branch kvm-arm64/ampere1-hafdbs-mitigation into kvmarm/next · 92d05e24
    Oliver Upton authored
    * kvm-arm64/ampere1-hafdbs-mitigation:
      : AmpereOne erratum AC03_CPU_38 mitigation
      :
      : AmpereOne does not advertise support for FEAT_HAFDBS due to an
      : underlying erratum in the feature. The associated control bits do not
      : have RES0 behavior as required by the architecture.
      :
      : Introduce mitigations to prevent KVM from enabling the feature at
      : stage-2 as well as preventing KVM guests from enabling HAFDBS at
      : stage-1.
      KVM: arm64: Prevent guests from enabling HA/HD on Ampere1
      KVM: arm64: Refactor HFGxTR configuration into separate helpers
      arm64: errata: Mitigate Ampere1 erratum AC03_CPU_38 at stage-2
    Signed-off-by: default avatarOliver Upton <oliver.upton@linux.dev>
    92d05e24
cpucaps 1.67 KB