From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Roedel, Joerg" Subject: Re: [PATCH 1/2] KVM: SVM: Fix NMI path when NMI happens in guest mode Date: Thu, 13 Jan 2011 16:52:24 +0100 Message-ID: <20110113155224.GB23914@amd.com> References: <1294932178-26866-1-git-send-email-joerg.roedel@amd.com> <1294932178-26866-2-git-send-email-joerg.roedel@amd.com> <4D2F1ED1.1020001@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: Avi Kivity , Marcelo Tosatti , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "stable@kernel.org" To: Jan Kiszka Return-path: Content-Disposition: inline In-Reply-To: <4D2F1ED1.1020001@siemens.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On Thu, Jan 13, 2011 at 10:48:33AM -0500, Jan Kiszka wrote: > Am 13.01.2011 16:22, Joerg Roedel wrote: > > #ifdef CONFIG_X86_64 > > wrmsrl(MSR_GS_BASE, svm->host.gs_base); > > + wrmsrl(MSR_KERNEL_GS_BASE, current->thread.gs); > > #else > > loadsegment(fs, svm->host.fs); > > #endif > > Doesn't this also obsolete the wrmsrl(MSR_KERNEL_GS_BASE) in svm_vcpu_put? Yes it does. Thanks. Joerg -- AMD Operating System Research Center Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632