From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-x242.google.com (mail-pl0-x242.google.com [IPv6:2607:f8b0:400e:c01::242]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 40q5pM2dC3zF0dT for ; Mon, 21 May 2018 14:46:35 +1000 (AEST) Received: by mail-pl0-x242.google.com with SMTP id w19-v6so8049640plq.4 for ; Sun, 20 May 2018 21:46:35 -0700 (PDT) From: wei.guo.simon@gmail.com To: linuxppc-dev@lists.ozlabs.org Cc: Paul Mackerras , kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, Simon Guo Subject: [PATCH v3 27/29] KVM: PPC: remove load/put vcpu for KVM_GET/SET_ONE_REG ioctl Date: Mon, 21 May 2018 12:09:44 +0800 Message-Id: <1526875786-10372-28-git-send-email-wei.guo.simon@gmail.com> In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com> References: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Simon Guo Due to the vcpu mutex locking/unlock has been moved out of vcpu_load() /vcpu_put(), KVM_GET_ONE_REG and KVM_SET_ONE_REG doesn't need to do ioctl with loading vcpu anymore. This patch removes vcpu_load()/vcpu_put() from KVM_GET_ONE_REG and KVM_SET_ONE_REG ioctl. Signed-off-by: Simon Guo --- arch/powerpc/kvm/powerpc.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index c9098ff..5def68d 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1801,14 +1801,12 @@ long kvm_arch_vcpu_ioctl(struct file *filp, { struct kvm_one_reg reg; r = -EFAULT; - vcpu_load(vcpu); if (copy_from_user(®, argp, sizeof(reg))) goto out; if (ioctl == KVM_SET_ONE_REG) r = kvm_vcpu_ioctl_set_one_reg(vcpu, ®); else r = kvm_vcpu_ioctl_get_one_reg(vcpu, ®); - vcpu_put(vcpu); break; } -- 1.8.3.1