Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752119AbZLRIt0 (ORCPT ); Fri, 18 Dec 2009 03:49:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751466AbZLRItA (ORCPT ); Fri, 18 Dec 2009 03:49:00 -0500 Received: from mga02.intel.com ([134.134.136.20]:47813 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751335AbZLRIs6 (ORCPT ); Fri, 18 Dec 2009 03:48:58 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.47,417,1257148800"; d="scan'208";a="477313935" From: Sheng Yang To: Avi Kivity , Marcelo Tosatti Cc: kvm@vger.kernel.org, Sheng Yang , Ingo Molnar , linux-kernel@vger.kernel.org Subject: [PATCH 4/6] x86: Raise vsyscall priority on hotplug notifier chain Date: Fri, 18 Dec 2009 16:48:45 +0800 Message-Id: <1261126127-9603-5-git-send-email-sheng@linux.intel.com> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1261126127-9603-1-git-send-email-sheng@linux.intel.com> References: <1261126127-9603-1-git-send-email-sheng@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1111 Lines: 33 KVM need vsyscall_init() to initialize MSR_TSC_AUX before it read the value. Per Avi's suggestion, this patch raised vsyscall priority on hotplug notifier chain, to 30. CC: Ingo Molnar CC: linux-kernel@vger.kernel.org Signed-off-by: Sheng Yang --- arch/x86/kernel/vsyscall_64.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 8cb4974..971bbc9 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -300,7 +300,8 @@ static int __init vsyscall_init(void) register_sysctl_table(kernel_root_table2); #endif on_each_cpu(cpu_vsyscall_init, NULL, 1); - hotcpu_notifier(cpu_vsyscall_notifier, 0); + /* notifier priority > KVM */ + hotcpu_notifier(cpu_vsyscall_notifier, 30); return 0; } -- 1.5.4.5 -- 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/