| From | Steven Price <> | Subject | [PATCH v2 34/43] kvm: rme: Hide KVM_CAP_READONLY_MEM for realm guests | Date | Fri, 12 Apr 2024 09:43:00 +0100 |
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For protected memory read only isn't supported. While it may be possible to support read only for unprotected memory, this isn't supported at the present time.
Signed-off-by: Steven Price <steven.price@arm.com> --- arch/arm64/kvm/arm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 2aad83053b62..69d29797c2ed 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -284,7 +284,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_ONE_REG: case KVM_CAP_ARM_PSCI: case KVM_CAP_ARM_PSCI_0_2: - case KVM_CAP_READONLY_MEM: case KVM_CAP_MP_STATE: case KVM_CAP_IMMEDIATE_EXIT: case KVM_CAP_VCPU_EVENTS: @@ -298,6 +297,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_COUNTER_OFFSET: r = 1; break; + case KVM_CAP_READONLY_MEM: case KVM_CAP_SET_GUEST_DEBUG: r = !kvm_is_realm(kvm); break; -- 2.34.1
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