Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757621AbXEXMMQ (ORCPT ); Thu, 24 May 2007 08:12:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756528AbXEXMKX (ORCPT ); Thu, 24 May 2007 08:10:23 -0400 Received: from il.qumranet.com ([82.166.9.18]:36456 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756163AbXEXMKU (ORCPT ); Thu, 24 May 2007 08:10:20 -0400 From: Avi Kivity To: kvm-devel@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org, shaohua.li@intel.com, lhcs-devel@lists.sourceforge.net, Avi Kivity Subject: [PATCH 7/7] KVM: Use CPU_DYING for disabling virtualization Date: Thu, 24 May 2007 15:10:15 +0300 Message-Id: <1180008616977-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.0.6 In-Reply-To: <1180008615579-git-send-email-avi@qumranet.com> References: <1180008615579-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1053 Lines: 32 Only at the CPU_DYING stage can we be sure that no user process will be scheduled onto the cpu and oops when trying to use virtualization extensions. Signed-off-by: Avi Kivity --- drivers/kvm/kvm_main.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index a632c8d..e9aa86d 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -2915,8 +2915,8 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val, int cpu = (long)v; switch (val) { - case CPU_DOWN_PREPARE: - case CPU_DOWN_PREPARE_FROZEN: + case CPU_DYING: + case CPU_DYING_FROZEN: case CPU_UP_CANCELED: case CPU_UP_CANCELED_FROZEN: printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n", -- 1.5.0.6 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/