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KVM: arm64: Force HCR_EL2.E2H when ARM64_KVM_HVHE is set

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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@kernel.org>
Link: https://lore.kernel.org/r/20230609162200.2024064-11-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Marc Zyngier
2023-06-09 17:21:53 +01:00
committed by Oliver Upton
parent 6f617d3aa6
commit d0daf5a21e
1 changed files with 2 additions and 0 deletions
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2
arch/arm64/kvm/arm.c
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@@ -1676,6 +1676,8 @@ static void __init cpu_prepare_hyp_mode(int cpu, u32 hyp_va_bits)
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;
/*