From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: [PATCH v5 14/40] KVM: arm64: Remove kern_hyp_va() use in VHE switch function Date: Tue, 27 Feb 2018 12:34:03 +0100 Message-ID: <20180227113429.637-15-cdall@kernel.org> References: <20180227113429.637-1-cdall@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Marc Zyngier , Yury Norov , Dave Martin , Shih-Wei Li To: kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Return-path: In-Reply-To: <20180227113429.637-1-cdall@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu List-Id: kvm.vger.kernel.org From: Christoffer Dall VHE kernels run completely in EL2 and therefore don't have a notion of kernel and hyp addresses, they are all just kernel addresses. Therefore don't call kern_hyp_va() in the VHE switch function. Reviewed-by: Andrew Jones Reviewed-by: Marc Zyngier Signed-off-by: Christoffer Dall --- arch/arm64/kvm/hyp/switch.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index 1b94ac6a85e6..1e26a81c0a16 100644 --- a/arch/arm64/kvm/hyp/switch.c +++ b/arch/arm64/kvm/hyp/switch.c @@ -370,9 +370,7 @@ int kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu) bool fp_enabled; u64 exit_code; - vcpu = kern_hyp_va(vcpu); - - host_ctxt = kern_hyp_va(vcpu->arch.host_cpu_context); + host_ctxt = vcpu->arch.host_cpu_context; host_ctxt->__hyp_running_vcpu = vcpu; guest_ctxt = &vcpu->arch.ctxt; -- 2.14.2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: cdall@kernel.org (Christoffer Dall) Date: Tue, 27 Feb 2018 12:34:03 +0100 Subject: [PATCH v5 14/40] KVM: arm64: Remove kern_hyp_va() use in VHE switch function In-Reply-To: <20180227113429.637-1-cdall@kernel.org> References: <20180227113429.637-1-cdall@kernel.org> Message-ID: <20180227113429.637-15-cdall@kernel.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Christoffer Dall VHE kernels run completely in EL2 and therefore don't have a notion of kernel and hyp addresses, they are all just kernel addresses. Therefore don't call kern_hyp_va() in the VHE switch function. Reviewed-by: Andrew Jones Reviewed-by: Marc Zyngier Signed-off-by: Christoffer Dall --- arch/arm64/kvm/hyp/switch.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index 1b94ac6a85e6..1e26a81c0a16 100644 --- a/arch/arm64/kvm/hyp/switch.c +++ b/arch/arm64/kvm/hyp/switch.c @@ -370,9 +370,7 @@ int kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu) bool fp_enabled; u64 exit_code; - vcpu = kern_hyp_va(vcpu); - - host_ctxt = kern_hyp_va(vcpu->arch.host_cpu_context); + host_ctxt = vcpu->arch.host_cpu_context; host_ctxt->__hyp_running_vcpu = vcpu; guest_ctxt = &vcpu->arch.ctxt; -- 2.14.2