[PATCH v3 20/27] KVM: arm64: nv: Enable vSErrors when HCRX_EL2.TMEA is set

[Oliver Upton <oliver.upton@linux.dev>]

Per R_CDCKC, vSErrors are enabled if HCRX_EL2.TMEA is set, regardless of
HCR_EL2.AMO.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
 arch/arm64/include/asm/kvm_emulate.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 71ecdc20523e..fa8a08a1ccd5 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -259,7 +259,11 @@ static inline bool is_nested_ctxt(struct kvm_vcpu *vcpu)
 
 static inline bool vserror_state_is_nested(struct kvm_vcpu *vcpu)
 {
-	return is_nested_ctxt(vcpu) && vcpu_el2_amo_is_set(vcpu);
+	if (!is_nested_ctxt(vcpu))
+		return false;
+
+	return vcpu_el2_amo_is_set(vcpu) ||
+	       (__vcpu_sys_reg(vcpu, HCRX_EL2) & HCRX_EL2_TMEA);
 }
 
 /*
-- 
2.39.5