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[128.104.222.82]) by smtp.gmail.com with ESMTPSA id j96sm1413075ioo.49.2017.07.18.09.59.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 18 Jul 2017 09:59:42 -0700 (PDT) From: Jintack Lim To: kvmarm@lists.cs.columbia.edu, christoffer.dall@linaro.org, marc.zyngier@arm.com Cc: corbet@lwn.net, pbonzini@redhat.com, rkrcmar@redhat.com, linux@armlinux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, akpm@linux-foundation.org, mchehab@kernel.org, cov@codeaurora.org, daniel.lezcano@linaro.org, david.daney@cavium.com, mark.rutland@arm.com, suzuki.poulose@arm.com, stefan@hello-penguin.com, andy.gross@linaro.org, wcohen@redhat.com, ard.biesheuvel@linaro.org, shankerd@codeaurora.org, vladimir.murzin@arm.com, james.morse@arm.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH v2 05/38] KVM: arm64: Allow userspace to set PSR_MODE_EL2x Date: Tue, 18 Jul 2017 11:58:31 -0500 Message-Id: <1500397144-16232-6-git-send-email-jintack.lim@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1500397144-16232-1-git-send-email-jintack.lim@linaro.org> References: <1500397144-16232-1-git-send-email-jintack.lim@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Christoffer Dall 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 --- arch/arm64/kvm/guest.c | 2 ++ 1 file changed, 2 insertions(+) -- 1.9.1 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;