From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68B55C3A59E for ; Mon, 26 Aug 2019 06:17:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2D4F7217F4 for ; Mon, 26 Aug 2019 06:17:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="gFOhk4kp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729264AbfHZGRD (ORCPT ); Mon, 26 Aug 2019 02:17:03 -0400 Received: from mail-m973.mail.163.com ([123.126.97.3]:49806 "EHLO mail-m973.mail.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727544AbfHZGRD (ORCPT ); Mon, 26 Aug 2019 02:17:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=hc63cxkTZpzkFww549 eswCcb8sHDad4ko+ngdlX/DXU=; b=gFOhk4kpkWtmEIy15tFo9yi5rkGgrOiySh veoTH5vttZmBN3i+6dN6K321ihoeg6e/CkUdwqbtdpV/aPB5x+55iRluOBW1asnP hw2FVa6oQgMM2ypSqVt5zy2JquH2+vcs+GcnwnnG5LAOMIgx8VK0XrUEHJO6qit1 H9YeBN4SY= Received: from localhost.localdomain.localdomain (unknown [111.205.43.245]) by smtp3 (Coremail) with SMTP id G9xpCgA3zYUneWNd3Yd6Aw--.75S2; Mon, 26 Aug 2019 14:16:07 +0800 (CST) From: Xiaochun Lee To: tony.luck@intel.com, bp@alien8.de Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, Xiaochun Lee Subject: [PATCH] x86/mce: show the status of cmci_disabled to user Date: Mon, 26 Aug 2019 14:16:04 +0800 Message-Id: <1566800164-6428-1-git-send-email-lixiaochun.2888@163.com> X-Mailer: git-send-email 1.8.3.1 X-CM-TRANSID: G9xpCgA3zYUneWNd3Yd6Aw--.75S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrZw4UAF4rKw4UWr4UXw17trb_yoWfWrg_Ww 1Igr4DCr4fZr9Ivrn7XF4FqryUZw1S9Fs0yw1IyrWYyryjqan8uayFyFZxJrnxW3yFqFW3 Ar98JF4Y9w4UZjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUnbJ57UUUUU== X-Originating-IP: [111.205.43.245] X-CM-SenderInfo: 5ol0xtprfk30aosymmi6rwjhhfrp/xtbBZwcdQFetv8-HMwAAsD Sender: linux-edac-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org From: Xiaochun Lee When enabled Firmware First mode in UEFI, we need to set the cmci_disabled and ignore_ce in mca cfg that users can check correct status from "/sys/devices/system/machinecheck/machinecheckXXX/cmci_disabled" Signed-off-by: Xiaochun Lee --- arch/x86/kernel/cpu/mce/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 743370e..932c701 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -1909,6 +1909,8 @@ static void __mce_disable_bank(void *arg) int bank = *((int *)arg); __clear_bit(bank, this_cpu_ptr(mce_poll_banks)); cmci_disable_bank(bank); + mca_cfg.cmci_disabled = true; + mca_cfg.ignore_ce = true; } void mce_disable_bank(int bank) -- 1.8.3.1