From patchwork Wed Feb 3 21:29:43 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 44426 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 1AE80B7D4C for ; Thu, 4 Feb 2010 08:41:59 +1100 (EST) Received: from localhost ([127.0.0.1]:52716 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NcmtT-0005ma-1v for incoming@patchwork.ozlabs.org; Wed, 03 Feb 2010 16:36:15 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NcmnM-00045q-Sh for qemu-devel@nongnu.org; Wed, 03 Feb 2010 16:29:56 -0500 Received: from [199.232.76.173] (port=37647 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NcmnL-00045B-SS for qemu-devel@nongnu.org; Wed, 03 Feb 2010 16:29:55 -0500 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1NcmnI-00032u-MB for qemu-devel@nongnu.org; Wed, 03 Feb 2010 16:29:55 -0500 Received: from goliath.siemens.de ([192.35.17.28]:21872) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NcmnG-000322-Ez for qemu-devel@nongnu.org; Wed, 03 Feb 2010 16:29:50 -0500 Received: from mail2.siemens.de (localhost [127.0.0.1]) by goliath.siemens.de (8.12.11.20060308/8.12.11) with ESMTP id o13LTkRS013381; Wed, 3 Feb 2010 22:29:46 +0100 Received: from localhost.localdomain ([139.25.173.3]) by mail2.siemens.de (8.12.11.20060308/8.12.11) with ESMTP id o13LTjGu031176; Wed, 3 Feb 2010 22:29:46 +0100 From: Jan Kiszka To: Anthony Liguori Date: Wed, 3 Feb 2010 22:29:43 +0100 Message-Id: X-Mailer: git-send-email 1.6.0.2 In-Reply-To: References: In-Reply-To: References: X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.4-2.6 Cc: Marcelo Tosatti , qemu-devel@nongnu.org, kvm@vger.kernel.org, Avi Kivity Subject: [Qemu-devel] [PATCH 2/4] KVM: Make vmport KVM-compatible X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The vmport "device" accesses the VCPU registers, so it requires proper cpu_synchronize_state. Add it to vmport_ioport_read, which also synchronizes vmport_ioport_write. Signed-off-by: Jan Kiszka --- hw/vmport.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/hw/vmport.c b/hw/vmport.c index 884af3f..6c9d7c9 100644 --- a/hw/vmport.c +++ b/hw/vmport.c @@ -25,6 +25,7 @@ #include "isa.h" #include "pc.h" #include "sysemu.h" +#include "kvm.h" //#define VMPORT_DEBUG @@ -58,6 +59,8 @@ static uint32_t vmport_ioport_read(void *opaque, uint32_t addr) unsigned char command; uint32_t eax; + cpu_synchronize_state(env); + eax = env->regs[R_EAX]; if (eax != VMPORT_MAGIC) return eax;