** Changed in: linux-aws (Ubuntu)
       Status: In Progress => Fix Released

** Changed in: linux-aws-5.4 (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1889282

Title:
  add pvtime support for arm64 guests

Status in linux-aws package in Ubuntu:
  Fix Released
Status in linux-aws-5.4 package in Ubuntu:
  Fix Released
Status in linux-aws-5.4 source package in Bionic:
  Fix Released
Status in linux-aws source package in Focal:
  Fix Released

Bug description:
  The mainline patch set "arm64: Stolen time support" and its prerequisites are 
required to support future AWS instance types:
   
  Reference: 
https://lore.kernel.org/kvm/20191011125930.40834-1-steven.pr...@arm.com/

  The list of patches (from mainline) needed for linux-aws/focal is:

  e0685fa228fd arm64: Retrieve stolen time as paravirtualized guest
  ce4d5ca2b9dd arm/arm64: Make use of the SMCCC 1.1 wrapper
  541625ac47ce arm/arm64: Provide a wrapper for SMCCC 1.1 calls
  58772e9a3db7 KVM: arm64: Provide VCPU attributes for stolen time
  8538cb22bbce KVM: Allow kvm_device_ops to be const
  8564d6372a7d KVM: arm64: Support stolen time reporting via shared structure
  cac0f1b7285e KVM: Implement kvm_put_guest()
  b48c1a45a190 KVM: arm64: Implement PV_TIME_FEATURES call
  55009c6ed2d2 KVM: arm/arm64: Factor out hypercall handling from PSCI code
  6a7458485b39 KVM: arm64: Document PV-time interface

  e6ea46511b1a firmware: arm_sdei: use common SMCCC_CONDUIT_*
  a5520eac4d2d firmware/psci: use common SMCCC_CONDUIT_*
  6848253ddeae arm: spectre-v2: use arm_smccc_1_1_get_conduit()
  c98bd2991728 arm64: errata: use arm_smccc_1_1_get_conduit()
  6b7fe77c334a arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit()

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