[RFC PATCH v6 09/35] HACK! KVM: arm64: Disable SPE virtualization if nested virt is enabled

[Alexandru Elisei]

For RFC only.

Signed-off-by: Alexandru Elisei <alexandru.elisei at arm.com>
---
 arch/arm64/kvm/arm.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 1e4449d96d62..d7f802035970 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -1490,6 +1490,11 @@ static int kvm_vcpu_init_check_features(struct kvm_vcpu *vcpu,
 	    test_bit(KVM_ARM_VCPU_PTRAUTH_GENERIC, &features))
 		return -EINVAL;
 
+	/* TODO: NV support */
+	if (test_bit(KVM_ARM_VCPU_SPE, &features) &&
+	    test_bit(KVM_ARM_VCPU_HAS_EL2, &features))
+		return -EINVAL;
+
 	if (!test_bit(KVM_ARM_VCPU_EL1_32BIT, &features))
 		return 0;
 
-- 
2.51.2