[RFC PATCH v2 05/38] KVM: arm64: Allow userspace to set PSR_MODE_EL2x

Jintack Lim
2017-07-18T16:58:31Z

From: Christoffer Dall <christoffer.dall@linaro.org>

We were not allowing userspace to set a more privileged mode for the VCPU
than EL1, but now that we support nesting with a virtual EL2 mode, do
allow this!

Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
---
arch/arm64/kvm/guest.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index 5c7f657..5e673ae 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -117,6 +117,8 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
case PSR_MODE_EL0t:
case PSR_MODE_EL1t:
case PSR_MODE_EL1h:
+ case PSR_MODE_EL2h:
+ case PSR_MODE_EL2t:
break;
default:
err = -EINVAL;
--
1.9.1