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| Started by | Jintack Lim <jintack@cs.columbia.edu> |
|---|---|
| First post | 2017-01-09 07:50 +0100 |
| Last post | 2017-01-09 07:50 +0100 |
| Articles | 1 — 1 participant |
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[RFC 04/55] KVM: arm64: Allow userspace to set PSR_MODE_EL2x Jintack Lim <jintack@cs.columbia.edu> - 2017-01-09 07:50 +0100
| From | Jintack Lim <jintack@cs.columbia.edu> |
|---|---|
| Date | 2017-01-09 07:50 +0100 |
| Subject | [RFC 04/55] KVM: arm64: Allow userspace to set PSR_MODE_EL2x |
| Message-ID | <sXBWh-CV-1@gated-at.bofh.it> |
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> Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> --- 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 3f9e157..6b9f38a 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
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