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@xxxxxxx> --- 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 fe815a0d20bf..bd79a928d036 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -374,7 +374,6 @@ 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: @@ -388,6 +387,7 @@ 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
