Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752004AbaDNJEX (ORCPT ); Mon, 14 Apr 2014 05:04:23 -0400 Received: from mga02.intel.com ([134.134.136.20]:58664 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750790AbaDNJEW (ORCPT ); Mon, 14 Apr 2014 05:04:22 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,856,1389772800"; d="scan'208";a="492478818" From: "Chen, Gong" To: hpa@zytor.com, tony.luck@intel.com Cc: tglx@linutronix.de, mingo@kernel.org, linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org, "Chen, Gong" Subject: [PATCH 1/2] x86, CMCI: Fix a missed put_cpu_var Date: Mon, 14 Apr 2014 04:39:36 -0400 Message-Id: <1397464777-25451-1-git-send-email-gong.chen@linux.intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This issue is introduced in commit 27f6c573e0. I forget to execute put_cpu_var operation after get_cpu_var. Signed-off-by: Chen, Gong --- arch/x86/kernel/cpu/mcheck/mce.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index eeee23f..26eaf3b 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -620,6 +620,7 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b) v = &get_cpu_var(mce_polled_error); set_bit(0, v); + put_cpu_var(mce_polled_error); /* * Uncorrected or signalled events are handled by the exception * handler when it is enabled, so don't process those here. -- 1.9.0 -- 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/