From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srivatsa Vaddagiri Subject: Re: [RFC PATCH 1/3] kvm: keep track of which task is running a KVM vcpu Date: Fri, 3 Dec 2010 17:47:46 +0530 Message-ID: <20101203121746.GE27994@linux.vnet.ibm.com> References: <20101202144129.4357fe00@annuminas.surriel.com> <20101202144324.4a79263b@annuminas.surriel.com> Reply-To: vatsa@linux.vnet.ibm.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Avi Kiviti , Peter Zijlstra , Ingo Molnar , Anthony Liguori To: Rik van Riel Return-path: Content-Disposition: inline In-Reply-To: <20101202144324.4a79263b@annuminas.surriel.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On Thu, Dec 02, 2010 at 02:43:24PM -0500, Rik van Riel wrote: > mutex_lock(&vcpu->mutex); > + vcpu->task = current; Shouldn't we grab reference to current task_struct before storing a pointer to it? - vatsa