[PATCH 10/17] KVM: arm64: Force HCR_EL2.E2H when ARM64_KVM_HVHE is set

[Marc Zyngier]

Obviously, in order to be able to use VHE whilst at EL2, we need
to set HCR_EL2.E2H. Do so when ARM64_KVM_HVHE is set.

Signed-off-by: Marc Zyngier <maz at kernel.org>
---
 arch/arm64/kvm/arm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 94d33e296e10..85df7ce0b051 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -1558,6 +1558,8 @@ static void cpu_prepare_hyp_mode(int cpu)
 		params->hcr_el2 = HCR_HOST_NVHE_PROTECTED_FLAGS;
 	else
 		params->hcr_el2 = HCR_HOST_NVHE_FLAGS;
+	if (cpus_have_final_cap(ARM64_KVM_HVHE))
+		params->hcr_el2 |= HCR_E2H;
 	params->vttbr = params->vtcr = 0;
 
 	/*
-- 
2.34.1