diff mbox

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

Message ID 1500397144-16232-6-git-send-email-jintack.lim@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Jintack Lim July 18, 2017, 4:58 p.m. UTC 
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(+)
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Patch

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;