From patchwork Tue Mar 23 16:37:13 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcelo Tosatti X-Patchwork-Id: 87690 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o2NGgI7w008320 for ; Tue, 23 Mar 2010 16:42:18 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755214Ab0CWQmO (ORCPT ); Tue, 23 Mar 2010 12:42:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54702 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755112Ab0CWQmL (ORCPT ); Tue, 23 Mar 2010 12:42:11 -0400 Received: from int-mx08.intmail.prod.int.phx2.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o2NGgBTA018350 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 23 Mar 2010 12:42:11 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx08.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o2NGgBZN015528 for ; Tue, 23 Mar 2010 12:42:11 -0400 Received: from amt.cnet (vpn-10-84.rdu.redhat.com [10.11.10.84]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id o2NGg8D2031018 for ; Tue, 23 Mar 2010 12:42:09 -0400 Received: from amt.cnet (amt.cnet [127.0.0.1]) by amt.cnet (Postfix) with ESMTP id AF84C65208A for ; Tue, 23 Mar 2010 13:40:05 -0300 (BRT) Received: (from marcelo@localhost) by amt.cnet (8.14.3/8.14.3/Submit) id o2NGe5AA019164; Tue, 23 Mar 2010 13:40:05 -0300 Message-Id: <20100323163812.607279544@redhat.com> User-Agent: quilt/0.47-1 Date: Tue, 23 Mar 2010 13:37:13 -0300 From: Marcelo Tosatti To: kvm@vger.kernel.org Subject: [patch 4/6] kvm_init_vcpu requires global lock held References: <20100323163709.033115262@redhat.com> Content-Disposition: inline; filename=init-vcpu-inside-lock X-Scanned-By: MIMEDefang 2.67 on 10.5.11.21 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Tue, 23 Mar 2010 16:42:19 +0000 (UTC) Index: qemu-uq/vl.c =================================================================== --- qemu-uq.orig/vl.c +++ qemu-uq/vl.c @@ -2447,6 +2447,7 @@ static void *kvm_cpu_thread_fn(void *arg { CPUState *env = arg; + qemu_mutex_lock(&qemu_global_mutex); qemu_thread_self(env->thread); if (kvm_enabled()) kvm_init_vcpu(env); @@ -2454,7 +2455,6 @@ static void *kvm_cpu_thread_fn(void *arg kvm_block_io_signals(env); /* signal CPU creation */ - qemu_mutex_lock(&qemu_global_mutex); env->created = 1; qemu_cond_signal(&qemu_cpu_cond);