From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: [PATCH v3 10/16] KVM: Move vcpu_load to arch-specific kvm_arch_vcpu_ioctl_translate Date: Mon, 4 Dec 2017 21:35:32 +0100 Message-ID: <20171204203538.8370-11-cdall@kernel.org> References: <20171204203538.8370-1-cdall@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id ACC8A49D80 for ; Mon, 4 Dec 2017 15:32:57 -0500 (EST) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rS4T8l+Cf8BK for ; Mon, 4 Dec 2017 15:32:55 -0500 (EST) Received: from mail-wm0-f66.google.com (mail-wm0-f66.google.com [74.125.82.66]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id A472A49D8C for ; Mon, 4 Dec 2017 15:32:54 -0500 (EST) Received: by mail-wm0-f66.google.com with SMTP id t8so8187491wmc.3 for ; Mon, 04 Dec 2017 12:36:03 -0800 (PST) In-Reply-To: <20171204203538.8370-1-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 To: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org, Marc Zyngier , James Hogan , Cornelia Huck , kvm-ppc@vger.kernel.org, Paul Mackerras , Christian Borntraeger , linux-arm-kernel@lists.infradead.org, Paolo Bonzini , linux-s390@vger.kernel.org, kvmarm@lists.cs.columbia.edu List-Id: kvmarm@lists.cs.columbia.edu From: Christoffer Dall Move vcpu_load() and vcpu_put() into the architecture specific implementations of kvm_arch_vcpu_ioctl_translate(). Reviewed-by: David Hildenbrand Signed-off-by: Christoffer Dall --- arch/powerpc/kvm/booke.c | 2 ++ arch/x86/kvm/x86.c | 3 +++ virt/kvm/kvm_main.c | 2 -- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index cdf0be02c95a..1b491b89cd43 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -1793,7 +1793,9 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, { int r; + vcpu_load(vcpu); r = kvmppc_core_vcpu_translate(vcpu, tr); + vcpu_put(vcpu); return r; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 8e67428af01b..c30ba99e7aa3 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7660,6 +7660,8 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, gpa_t gpa; int idx; + vcpu_load(vcpu); + idx = srcu_read_lock(&vcpu->kvm->srcu); gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, NULL); srcu_read_unlock(&vcpu->kvm->srcu, idx); @@ -7668,6 +7670,7 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, tr->writeable = 1; tr->usermode = 0; + vcpu_put(vcpu); return 0; } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index f3600052adbb..0a8a49073a23 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2627,9 +2627,7 @@ static long kvm_vcpu_ioctl(struct file *filp, r = -EFAULT; if (copy_from_user(&tr, argp, sizeof(tr))) goto out; - vcpu_load(vcpu); r = kvm_arch_vcpu_ioctl_translate(vcpu, &tr); - vcpu_put(vcpu); if (r) goto out; r = -EFAULT; -- 2.14.2