Subject	arm64: Support for Arm CCA in KVM
Author	steven.price@arm.com
Date	2026-08-03 13:43:17 +0000 UTC
Version	Version 10 Version 12 Version 13 Version 14 Version 15 Version 16
Cc	alexandru.elisei@arm.com alpergun@google.com aneesh.kumar@kernel.org catalin.marinas@arm.com christoffer.dall@arm.com fj0570is@fujitsu.com gankulkarni@os.amperecomputing.com gshan@redhat.com james.morse@arm.com jean-philippe@linaro.org joey.gouly@arm.com kvm@vger.kernel.org kvmarm@lists.linux.dev linux-arm-kernel@lists.infradead.org linux-coco@lists.linux.dev linux-kernel@vger.kernel.org lpieralisi@kernel.org maz@kernel.org oliver.upton@linux.dev sdonthineni@nvidia.com steven.price@arm.com suzuki.poulose@arm.com tabba@google.com vannapurve@google.com weilin.chang@arm.com will@kernel.org yuzenghui@huawei.com

Patches (45)

Name	Content [All]
[PATCH v16 01/45] firmware: arm_rmm: Add SMC definitions for calling the RMM	[Body]
[PATCH v16 02/45] firmware: arm_rmm: Add wrappers for direct RMI calls	[Body]
[PATCH v16 03/45] firmware: arm_rmm: Check for RMI support at init	[Body]
[PATCH v16 04/45] firmware: arm_rmm: Configure the RMM with the host's page size	[Body]
[PATCH v16 05/45] firmware: arm_rmm: Add support for SRO	[Body]
[PATCH v16 06/45] firmware: arm_rmm: Ensure the RMM has GPT entries for memory	[Body]
[PATCH v16 07/45] arm64: mm: Handle Granule Protection Faults (GPFs)	[Body]
[PATCH v16 08/45] KVM: arm64: Include kvm_emulate.h in kvm/arm_psci.h	[Body]
[PATCH v16 09/45] KVM: arm64: Avoid including linux/kvm_host.h in kvm_pgtable.h	[Body]
[PATCH v16 10/45] KVM: arm64: CCA: Add wrappers for realm related RMIs	[Body]
[PATCH v16 11/45] KVM: arm64: CCA: Check for RMI support at KVM init	[Body]
[PATCH v16 12/45] KVM: arm64: CCA: Check for LPA2 support	[Body]
[PATCH v16 13/45] KVM: arm64: CCA: Define the user ABI	[Body]
[PATCH v16 14/45] KVM: arm64: CCA: Add basic infrastructure for creating a realm	[Body]
[PATCH v16 15/45] KVM: arm64: CCA: Don't expose unsupported capabilities for realm guests	[Body]
[PATCH v16 16/45] KVM: arm64: CCA: Allow passing the machine type in KVM creation	[Body]
[PATCH v16 17/45] KVM: arm64: CCA: Tear down RTTs	[Body]
[PATCH v16 18/45] KVM: arm64: CCA: Allocate and free RECs to match vCPUs	[Body]
[PATCH v16 19/45] KVM: arm64: CCA: Support the VGIC in realms	[Body]
[PATCH v16 20/45] KVM: arm64: CCA: Support timers in realm RECs	[Body]
[PATCH v16 21/45] KVM: arm64: CCA: Handle realm enter/exit	[Body]
[PATCH v16 22/45] KVM: arm64: CCA: Handle RMI_EXIT_RIPAS_CHANGE	[Body]
[PATCH v16 23/45] KVM: arm64: CCA: Handle realm MMIO emulation	[Body]
[PATCH v16 24/45] KVM: arm64: Expose support for private memory	[Body]
[PATCH v16 25/45] KVM: arm64: CCA: Create the realm descriptor	[Body]
[PATCH v16 26/45] KVM: arm64: CCA: Activate realms on first vCPU run	[Body]
[PATCH v16 27/45] KVM: arm64: CCA: Allow populating initial contents	[Body]
[PATCH v16 28/45] KVM: arm64: CCA: Set RIPAS of initial memslots	[Body]
[PATCH v16 29/45] KVM: arm64: CCA: Support runtime faulting of memory	[Body]
[PATCH v16 30/45] KVM: arm64: CCA: Handle realm vCPU load	[Body]
[PATCH v16 31/45] KVM: arm64: CCA: Validate register access for Realm VMs	[Body]
[PATCH v16 32/45] KVM: arm64: CCA: Handle Realm PSCI requests	[Body]
[PATCH v16 33/45] KVM: arm64: WARN on injected undef exceptions	[Body]
[PATCH v16 34/45] KVM: arm64: CCA: Allow userspace to inject aborts	[Body]
[PATCH v16 35/45] KVM: arm64: CCA: Support RSI_HOST_CALL	[Body]
[PATCH v16 36/45] KVM: arm64: CCA: Allow checking SVE on VM instance	[Body]
[PATCH v16 37/45] KVM: arm64: CCA: Prevent Device mappings for realms	[Body]
[PATCH v16 38/45] KVM: arm64: CCA: Propagate breakpoint and watchpoint counts to userspace	[Body]
[PATCH v16 39/45] KVM: arm64: CCA: Set breakpoint parameters through SET_ONE_REG	[Body]
[PATCH v16 40/45] KVM: arm64: CCA: Propagate max SVE vector length from the RMM	[Body]
[PATCH v16 41/45] KVM: arm64: CCA: Configure max SVE vector length for a Realm	[Body]
[PATCH v16 42/45] KVM: arm64: CCA: Provide register list for unfinalized RECs	[Body]
[PATCH v16 43/45] KVM: arm64: CCA: Provide an accurate register list	[Body]
[PATCH v16 44/45] KVM: arm64: CCA: Require ICH_HCR_EL2.TDIR for realms	[Body]
[PATCH v16 45/45] KVM: arm64: CCA: Enable realms to be created	[Body]

Sessions