Public bug reported:
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/[email protected]/
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()
** Affects: linux-aws (Ubuntu)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Affects: linux-aws-5.4 (Ubuntu)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Affects: linux-aws-5.4 (Ubuntu Bionic)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Affects: linux-aws (Ubuntu Focal)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Also affects: linux-aws (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-aws-5.4 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-aws (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-aws-5.4 (Ubuntu Bionic)
Importance: Undecided
Status: New
** No longer affects: linux-aws-5.4 (Ubuntu Focal)
** No longer affects: linux-aws (Ubuntu Bionic)
** Changed in: linux-aws (Ubuntu Focal)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
** Changed in: linux-aws-5.4 (Ubuntu)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
** Changed in: linux-aws-5.4 (Ubuntu Bionic)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
** Changed in: linux-aws (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux-aws-5.4 (Ubuntu)
Status: New => In Progress
** Changed in: linux-aws-5.4 (Ubuntu Bionic)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1889282
Title:
add pvtime support for arm64 guests
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