From patchwork Thu Jul 5 02:18:09 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ping Fan X-Patchwork-Id: 1157761 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 93487DFF0F for ; Thu, 5 Jul 2012 02:18:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751321Ab2GECSV (ORCPT ); Wed, 4 Jul 2012 22:18:21 -0400 Received: from mail-yw0-f46.google.com ([209.85.213.46]:46236 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751148Ab2GECSU (ORCPT ); Wed, 4 Jul 2012 22:18:20 -0400 Received: by yhmm54 with SMTP id m54so7732585yhm.19 for ; Wed, 04 Jul 2012 19:18:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer; bh=3nqDc9BbUfL0QBSUcvodFW+dGrfF162kmkKgrV45Zeo=; b=HvZf/+geaoYnU83v5V+JL5yjsAaDhSE4ywcJx/bAjMtFjWFvzZ/t6n4DTL8Wr/rSlx o0xYoRnzufa8U3iCqQTMwxhgyGYZJZYSoRqlkGj7WMZ4EQ6blzTgcvhNayxHPLgvtyZO wK81K6fMbPGspvIX6OioCjbUP8PtFVLk7lVPiKJRQHu9GvERzjZhgogfHY+ewxjxUkww 3eeudoT6ZuAi6oCFb4bZ5ztNYP3a4dDeXQR7ZHiXXRwSwgtZXQfFrRlaXgMhPWdu7tFQ PGIkfgRuvUspAjxAqcdJqSawaBN0gMUIKl4Qw4+QewQGgc+QMIaMFQsYo0VBgNey/iCP iujg== Received: by 10.50.182.232 with SMTP id eh8mr12816033igc.48.1341454699189; Wed, 04 Jul 2012 19:18:19 -0700 (PDT) Received: from localhost ([202.108.130.138]) by mx.google.com with ESMTPS id z3sm15266523igc.7.2012.07.04.19.18.12 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 04 Jul 2012 19:18:17 -0700 (PDT) From: Liu Ping Fan To: qemu-devel@nongnu.org Cc: kvm@vger.kernel.org, Jan Kiszka , Anthony Liguori Subject: [PATCH] cpu: smp_wmb before lauching cpus. Date: Thu, 5 Jul 2012 10:18:09 +0800 Message-Id: <1341454689-8129-1-git-send-email-qemulist@gmail.com> X-Mailer: git-send-email 1.7.4.4 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Vcpu state must be set completely before receiving INIT-IPI,SIPI Signed-off-by: Liu Ping Fan --- kvm.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/kvm.h b/kvm.h index 9c7b0ea..5b3c228 100644 --- a/kvm.h +++ b/kvm.h @@ -198,6 +198,7 @@ static inline void cpu_synchronize_post_init(CPUArchState *env) { if (kvm_enabled()) { kvm_cpu_synchronize_post_init(env); + smp_wmb(); } }